Merge branch 'sb/submodule-blanket-recursive' Many commands learned to pay attention to submodule.recurse configuration. * sb/submodule-blanket-recursive: builtin/fetch.c: respect 'submodule.recurse' option builtin/push.c: respect 'submodule.recurse' option builtin/grep.c: respect 'submodule.recurse' option Introduce 'submodule.recurse' option for worktree manipulators submodule loading: separate code path for .gitmodules and config overlay reset/checkout/read-tree: unify config callback for submodule recursion submodule test invocation: only pass additional arguments submodule recursing: do not write a config variable twice
diff --git a/.gitattributes b/.gitattributes index 320e33c..8ce9c6b 100644 --- a/.gitattributes +++ b/.gitattributes
@@ -1,3 +1,9 @@ * whitespace=!indent,trail,space *.[ch] whitespace=indent,trail,space diff=cpp -*.sh whitespace=indent,trail,space +*.sh whitespace=indent,trail,space eol=lf +*.perl eol=lf +*.pm eol=lf +/Documentation/git-*.txt eol=lf +/command-list.txt eol=lf +/GIT-VERSION-GEN eol=lf +/mergetools/* eol=lf
diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 2248cf7..c4cb5ff 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines
@@ -256,12 +256,12 @@ Note however that a comment that explains a translatable string to translators uses a convention of starting with a magic token - "TRANSLATORS: " immediately after the opening delimiter, even when - it spans multiple lines. We do not add an asterisk at the beginning - of each line, either. E.g. + "TRANSLATORS: ", e.g. - /* TRANSLATORS: here is a comment that explains the string - to be translated, that follows immediately after it */ + /* + * TRANSLATORS: here is a comment that explains the string to + * be translated, that follows immediately after it. + */ _("Here is a translatable string explained by the above."); - Double negation is often harder to understand than no negation
diff --git a/Documentation/RelNotes/2.13.1.txt b/Documentation/RelNotes/2.13.1.txt new file mode 100644 index 0000000..ed7cd97 --- /dev/null +++ b/Documentation/RelNotes/2.13.1.txt
@@ -0,0 +1,114 @@ +Git v2.13.1 Release Notes +========================= + +Fixes since v2.13 +----------------- + + * The Web interface to gmane news archive is long gone, even though + the articles are still accessible via NTTP. Replace the links with + ones to public-inbox.org. Because their message identification is + based on the actual message-id, it is likely that it will be easier + to migrate away from it if/when necessary. + + * Update tests to pass under GETTEXT_POISON (a mechanism to ensure + that output strings that should not be translated are not + translated by mistake), and tell TravisCI to run them. + + * Setting "log.decorate=false" in the configuration file did not take + effect in v2.13, which has been corrected. + + * An earlier update to test 7400 needed to be skipped on CYGWIN. + + * Git sometimes gives an advice in a rhetorical question that does + not require an answer, which can confuse new users and non native + speakers. Attempt to rephrase them. + + * "git read-tree -m" (no tree-ish) gave a nonsense suggestion "use + --empty if you want to clear the index". With "-m", such a request + will still fail anyway, as you'd need to name at least one tree-ish + to be merged. + + * The codepath in "git am" that is used when running "git rebase" + leaked memory held for the log message of the commits being rebased. + + * "pack-objects" can stream a slice of an existing packfile out when + the pack bitmap can tell that the reachable objects are all needed + in the output, without inspecting individual objects. This + strategy however would not work well when "--local" and other + options are in use, and need to be disabled. + + * Clarify documentation for include.path and includeIf.<condition>.path + configuration variables. + + * Tag objects, which are not reachable from any ref, that point at + missing objects were mishandled by "git gc" and friends (they + should silently be ignored instead) + + * A few http:// links that are redirected to https:// in the + documentation have been updated to https:// links. + + * Make sure our tests would pass when the sources are checked out + with "platform native" line ending convention by default on + Windows. Some "text" files out tests use and the test scripts + themselves that are meant to be run with /bin/sh, ought to be + checked out with eol=LF even on Windows. + + * Fix memory leaks pointed out by Coverity (and people). + + * The receive-pack program now makes sure that the push certificate + records the same set of push options used for pushing. + + * "git cherry-pick" and other uses of the sequencer machinery + mishandled a trailer block whose last line is an incomplete line. + This has been fixed so that an additional sign-off etc. are added + after completing the existing incomplete line. + + * The shell completion script (in contrib/) learned "git stash" has + a new "push" subcommand. + + * Travis CI gained a task to format the documentation with both + AsciiDoc and AsciiDoctor. + + * Update the C style recommendation for notes for translators, as + recent versions of gettext tools can work with our style of + multi-line comments. + + * "git clone --config var=val" is a way to populate the + per-repository configuration file of the new repository, but it did + not work well when val is an empty string. This has been fixed. + + * A few codepaths in "checkout" and "am" working on an unborn branch + tried to access an uninitialized piece of memory. + + * "git for-each-ref --format=..." with %(HEAD) in the format used to + resolve the HEAD symref as many times as it had processed refs, + which was wasteful, and "git branch" shared the same problem. + + * "git interpret-trailers", when used as GIT_EDITOR for "git commit + -v", looked for and appended to a trailer block at the very end, + i.e. at the end of the "diff" output. The command has been + corrected to pay attention to the cut-mark line "commit -v" adds to + the buffer---the real trailer block should appear just before it. + + * A test allowed both "git push" and "git receive-pack" on the other + end write their traces into the same file. This is OK on platforms + that allows atomically appending to a file opened with O_APPEND, + but on other platforms led to a mangled output, causing + intermittent test failures. This has been fixed by disabling + traces from "receive-pack" in the test. + + * "foo\bar\baz" in "git fetch foo\bar\baz", even though there is no + slashes in it, cannot be a nickname for a remote on Windows, as + that is likely to be a pathname on a local filesystem. + + * The "collision detecting" SHA-1 implementation shipped with 2.13 + was quite broken on some big-endian platforms and/or platforms that + do not like unaligned fetches. Update to the upstream code which + has already fixed these issues. + + * "git am -h" triggered a BUG(). + + * The interaction of "url.*.insteadOf" and custom URL scheme's + whitelisting is now documented better. + +Also contains various documentation updates and code clean-ups.
diff --git a/Documentation/RelNotes/2.14.0.txt b/Documentation/RelNotes/2.14.0.txt index 4fc8f0d..e4ca72e 100644 --- a/Documentation/RelNotes/2.14.0.txt +++ b/Documentation/RelNotes/2.14.0.txt
@@ -18,6 +18,10 @@ might still be cases that need to be addressed--bug reports are greatly appreciated. + * The experiment to improve the hunk-boundary selection of textual + diff output has finished, and the "indent heuristics" has now + become the default. + Updates since v2.13 ------------------- @@ -36,6 +40,33 @@ necessary to go beyond the 4GB limit. (merge 867e40ff3a rs/large-zip later to maint). + * "git reset" learned "--recurse-submodules" option. + + * "git diff --submodule=diff" now recurses into nested submodules. + (merge 5a5221427c jk/diff-submodule-diff-inline later to maint). + + * "git repack" learned to accept the --threads=<n> option and pass it + to pack-objects. + + * "git send-email" learned to run sendemail-validate hook to inspect + and reject a message before sending it out. + (merge 177409e589 jt/send-email-validate-hook later to maint). + + * There is no good reason why "git fetch $there $sha1" should fail + when the $sha1 names an object at the tip of an advertised ref, + even when the other side hasn't enabled allowTipSHA1InWant. + + * The recently introduced "[includeIf "gitdir:$dir"] path=..." + mechansim has further been taught to take symlinks into account. + The directory "$dir" specified in "gitdir:$dir" may be a symlink to + a real location, not something that $(getcwd) may return. In such + a case, a realpath of "$dir" is compared with the real path of the + current repository to determine if the contents from the named path + should be included. + + * Make the "indent" heuristics the default in "diff" and diff.indentHeuristics + configuration variable an escape hatch for those who do no want it. + Performance, Internal Implementation, Development Support etc. @@ -52,7 +83,6 @@ * Travis CI gained a task to format the documentation with both AsciiDoc and AsciiDoctor. - (merge 505ad91304 ls/travis-doc-asciidoctor later to maint). * Some platforms have ulong that is smaller than time_t, and our historical use of ulong for timestamp would mean they cannot @@ -65,6 +95,40 @@ * We can trigger Windows auto-build tester (credits: Dscho & Microsoft) from our existing Travis CI tester now. + * Conversion from uchar[20] to struct object_id continues. + + * Simplify parse_pathspec() codepath and stop it from looking at the + default in-core index. + (merge 08de9151a8 bw/pathspec-sans-the-index later to maint). + + * Add perf-test for wildmatch. + (merge 62ca75a6b9 ab/perf-wildmatch later to maint). + + * Code from "conversion using external process" codepath has been + extracted to a separate sub-process.[ch] module. + (merge 4f2a2e9f0e bp/sub-process-convert-filter later to maint). + + * When "git checkout", "git merge", etc. manipulates the in-core + index, various pieces of information in the index extensions are + discarded from the original state, as it is usually not the case + that they are kept up-to-date and in-sync with the operation on the + main index. The untracked cache extension is copied across these + operations now, which would speed up "git status" (as long as the + cache is properly invalidated). + + * The internal implementation of "git grep" has seen some clean-up. + (merge 8df4c2953f ab/grep-preparatory-cleanup later to maint). + + * Update the C style recommendation for notes for translators, as + recent versions of gettext tools can work with our style of + multi-line comments. + + * The implementation of "ref" API around the "packed refs" have been + cleaned up, in preparation for further changes. + + * The internal logic used in "git blame" has been libified to make it + easier to use by cgit. + Also contains various documentation updates and code clean-ups. @@ -83,44 +147,160 @@ mishandled a trailer block whose last line is an incomplete line. This has been fixed so that an additional sign-off etc. are added after completing the existing incomplete line. - (merge 44dc738a39 jt/use-trailer-api-in-commands later to maint). * The codepath in "git am" that is used when running "git rebase" leaked memory held for the log message of the commits being rebased. - (merge 721f5f1e35 jk/am-leakfix later to maint). * "git clone --config var=val" is a way to populate the per-repository configuration file of the new repository, but it did not work well when val is an empty string. This has been fixed. - (merge db4eca1fea jn/clone-add-empty-config-from-command-line later to maint). * Setting "log.decorate=false" in the configuration file did not take effect in v2.13, which has been corrected. - (merge c74271aae7 ah/log-decorate-default-to-auto later to maint). * A few codepaths in "checkout" and "am" working on an unborn branch tried to access an uninitialized piece of memory. - (merge 57e0ef0e0e rs/checkout-am-fix-unborn later to maint). * The Web interface to gmane news archive is long gone, even though the articles are still accessible via NTTP. Replace the links with ones to public-inbox.org. Because their message identification is based on the actual message-id, it is likely that it will be easier to migrate away from it if/when necessary. - (merge 5840eb9d14 ab/doc-replace-gmane-links later to maint). * The receive-pack program now makes sure that the push certificate records the same set of push options used for pushing. - (merge cbaf82cc6b jt/push-options-doc later to maint). * Tests have been updated to pass under GETTEXT_POISON (a mechanism to ensure that output strings that should not be translated are not translated by mistake), and TravisCI is told to run them. - (merge b8e188f6f5 ab/fix-poison-tests later to maint). + + * "git checkout --recurse-submodules" did not quite work with a + submodule that itself has submodules. + (merge 218c883783 sb/checkout-recurse-submodules later to maint). + + * Plug some leaks and updates internal API used to implement the + split index feature to make it easier to avoid such a leak in the + future. + (merge de950c5773 nd/split-index-unshare later to maint). + + * "pack-objects" can stream a slice of an existing packfile out when + the pack bitmap can tell that the reachable objects are all needed + in the output, without inspecting individual objects. This + strategy however would not work well when "--local" and other + options are in use, and need to be disabled. + + * Fix memory leaks pointed out by Coverity (and people). + + * "git read-tree -m" (no tree-ish) gave a nonsense suggestion "use + --empty if you want to clear the index". With "-m", such a request + will still fail anyway, as you'd need to name at least one tree-ish + to be merged. + + * Make sure our tests would pass when the sources are checked out + with "platform native" line ending convention by default on + Windows. Some "text" files out tests use and the test scripts + themselves that are meant to be run with /bin/sh, ought to be + checked out with eol=LF even on Windows. + + * Introduce the BUG() macro to improve die("BUG: ..."). + (merge 3d7dd2d3b6 jk/bug-to-abort later to maint). + + * Clarify documentation for include.path and includeIf.<condition>.path + configuration variables. + + * Git sometimes gives an advice in a rhetorical question that does + not require an answer, which can confuse new users and non native + speakers. Attempt to rephrase them. + + * A few http:// links that are redirected to https:// in the + documentation have been updated to https:// links. + + * "git for-each-ref --format=..." with %(HEAD) in the format used to + resolve the HEAD symref as many times as it had processed refs, + which was wasteful, and "git branch" shared the same problem. + + * Regression fix to topic recently merged to 'master'. + + * The shell completion script (in contrib/) learned "git stash" has + a new "push" subcommand. + + * "git interpret-trailers", when used as GIT_EDITOR for "git commit + -v", looked for and appended to a trailer block at the very end, + i.e. at the end of the "diff" output. The command has been + corrected to pay attention to the cut-mark line "commit -v" adds to + the buffer---the real trailer block should appear just before it. + + * A test allowed both "git push" and "git receive-pack" on the other + end write their traces into the same file. This is OK on platforms + that allows atomically appending to a file opened with O_APPEND, + but on other platforms led to a mangled output, causing + intermittent test failures. This has been fixed by disabling + traces from "receive-pack" in the test. + + * Tag objects, which are not reachable from any ref, that point at + missing objects were mishandled by "git gc" and friends (they + should silently be ignored instead) + + * "git describe --contains" penalized light-weight tags so much that + they were almost never considered. Instead, give them about the + same chance to be considered as an annotated tag that is the same + age as the underlying commit would. + (merge ef1e74065c jc/name-rev-lw-tag later to maint). + + * The "run-command" API implementation has been made more robust + against dead-locking in a threaded environment. + (merge e3f43ce765 bw/forking-and-threading later to maint). + + * A recent update to t5545-push-options.sh started skipping all the + tests in the script when a web server testing is disabled or + unavailable, not just the ones that require a web server. Non HTTP + tests have been salvaged to always run in this script. + (merge 2e397e4ddf jc/skip-test-in-the-middle later to maint). + + * "git send-email" now uses Net::SMTP::SSL, which is obsolete, only + when needed. Recent versions of Net::SMTP can do TLS natively. + (merge bfbfc9a953 dk/send-email-avoid-net-smtp-ssl-when-able later to maint). + + * "foo\bar\baz" in "git fetch foo\bar\baz", even though there is no + slashes in it, cannot be a nickname for a remote on Windows, as + that is likely to be a pathname on a local filesystem. + + * "git clean -d" used to clean directories that has ignored files, + even though the command should not lose ignored ones without "-x". + "git status --ignored" did not list ignored and untracked files + without "-uall". These have been corrected. + (merge 6b1db43109 sl/clean-d-ignored-fix later to maint). + + * The result from "git diff" that compares two blobs, e.g. "git diff + $commit1:$path $commit2:$path", used to be shown with the full + object name as given on the command line, but it is more natural to + use the $path in the output and use it to look up .gitattributes. + (merge 30d005c020 jk/diff-blob later to maint). + + * The "collision detecting" SHA-1 implementation shipped with 2.13 + was quite broken on some big-endian platforms and/or platforms that + do not like unaligned fetches. Update to the upstream code which + has already fixed these issues. + + * "git am -h" triggered a BUG(). + + * The interaction of "url.*.insteadOf" and custom URL scheme's + whitelisting is now documented better. + + * The timestamp of the index file is now taken after the file is + closed, to help Windows, on which a stale timestamp is reported by + fstat() on a file that is opened for writing and data was written + but not yet closed. + (merge 9f41c7a6b3 jh/close-index-before-stat later to maint). + + * "git pull --rebase --autostash" didn't auto-stash when the local history + fast-forwards to the upstream. + (merge f15e7cf5cc tb/pull-ff-rebase-autostash later to maint). * Other minor doc, test and build updates and code cleanups. - (merge 515360f9e9 jn/credential-doc-on-clear later to maint). - (merge 0e6d899fee ab/aix-needs-compat-regex later to maint). - (merge e294e8959f jc/apply-fix-mismerge later to maint). - (merge 7f1b225153 bw/submodule-with-bs-path later to maint). - (merge c8f7c8b704 tb/dedup-crlf-tests later to maint). + (merge c5a9157393 jh/memihash-opt later to maint). + (merge 44e2ff09ce ab/t3070-test-dedup later to maint). + (merge 9ee4aa95db rf/completion-config-commit later to maint). + (merge ef4fe5617e jk/connect-symref-info-leak-fix later to maint). + (merge a56eea28c4 jk/drop-free-refspecs later to maint). + (merge 0c79cee697 ad/pull-remote-doc later to maint).
diff --git a/Documentation/config.txt b/Documentation/config.txt index f60c504..f6278a5 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt
@@ -79,14 +79,20 @@ Includes ~~~~~~~~ -You can include a config file from another by setting the special -`include.path` variable to the name of the file to be included. The -variable takes a pathname as its value, and is subject to tilde -expansion. `include.path` can be given multiple times. +The `include` and `includeIf` sections allow you to include config +directives from another source. These sections behave identically to +each other with the exception that `includeIf` sections may be ignored +if their condition does not evaluate to true; see "Conditional includes" +below. -The included file is expanded immediately, as if its contents had been -found at the location of the include directive. If the value of the -`include.path` variable is a relative path, the path is considered to +You can include a config file from another by setting the special +`include.path` (or `includeIf.*.path`) variable to the name of the file +to be included. The variable takes a pathname as its value, and is +subject to tilde expansion. These variables can be given multiple times. + +The contents of the included file are inserted immediately, as if they +had been found at the location of the include directive. If the value of the +variable is a relative path, the path is considered to be relative to the configuration file in which the include directive was found. See below for examples. @@ -95,8 +101,7 @@ You can include a config file from another conditionally by setting a `includeIf.<condition>.path` variable to the name of the file to be -included. The variable's value is treated the same way as -`include.path`. `includeIf.<condition>.path` can be given multiple times. +included. The condition starts with a keyword followed by a colon and some data whose format and meaning depends on the keyword. Supported keywords @@ -140,6 +145,16 @@ * Symlinks in `$GIT_DIR` are not resolved before matching. + * Both the symlink & realpath versions of paths will be matched + outside of `$GIT_DIR`. E.g. if ~/git is a symlink to + /mnt/storage/git, both `gitdir:~/git` and `gitdir:/mnt/storage/git` + will match. ++ +This was not the case in the initial release of this feature in +v2.13.0, which only matched the realpath version. Configuration that +wants to be compatible with the initial release of this feature needs +to either specify only the realpath version, or both versions. + * Note that "../" is not special and will match literally, which is unlikely what you want. @@ -167,8 +182,8 @@ [include] path = /path/to/foo.inc ; include by absolute path - path = foo ; expand "foo" relative to the current file - path = ~/foo ; expand "foo" in your `$HOME` directory + path = foo.inc ; find "foo.inc" relative to the current file + path = ~/foo.inc ; find "foo.inc" in your `$HOME` directory ; include if $GIT_DIR is /path/to/foo/.git [includeIf "gitdir:/path/to/foo/.git"] @@ -182,6 +197,12 @@ [includeIf "gitdir:~/to/group/"] path = /path/to/foo.inc + ; relative paths are always relative to the including + ; file (if the condition is true); their location is not + ; affected by the condition + [includeIf "gitdir:/path/to/group/"] + path = foo.inc + Values ~~~~~~ @@ -334,7 +355,7 @@ is to be honored. + Some filesystems lose the executable bit when a file that is -marked as executable is checked out, or checks out an +marked as executable is checked out, or checks out a non-executable file with executable bit on. linkgit:git-clone[1] or linkgit:git-init[1] probe the filesystem to see if it handles the executable bit correctly @@ -862,6 +883,7 @@ computed based on the approximate number of packed objects in your repository, which hopefully is enough for abbreviated object names to stay unique for some time. + The minimum length is 4. add.ignoreErrors:: add.ignore-errors (deprecated):: @@ -2143,6 +2165,10 @@ Tools like linkgit:git-log[1] or linkgit:git-whatchanged[1], which normally hide the root commit will now show it. True by default. +log.showSignature:: + If true, makes linkgit:git-log[1], linkgit:git-show[1], and + linkgit:git-whatchanged[1] assume `--show-signature`. + log.mailmap:: If true, makes linkgit:git-log[1], linkgit:git-show[1], and linkgit:git-whatchanged[1] assume `--use-mailmap`. @@ -3215,6 +3241,13 @@ the best alternative for the particular user, even for a never-before-seen repository on the site. When more than one insteadOf strings match a given URL, the longest match is used. ++ +Note that any protocol restrictions will be applied to the rewritten +URL. If the rewrite changes the URL to use a custom protocol or remote +helper, you may need to adjust the `protocol.*.allow` config to permit +the request. In particular, protocols you expect to use for submodules +must be set to `always` rather than the default of `user`. See the +description of `protocol.allow` above. url.<base>.pushInsteadOf:: Any URL that starts with this value will not be pushed to;
diff --git a/Documentation/git-filter-branch.txt b/Documentation/git-filter-branch.txt index 6e4bb02..7b695db 100644 --- a/Documentation/git-filter-branch.txt +++ b/Documentation/git-filter-branch.txt
@@ -86,8 +86,7 @@ This filter may be used if you only need to modify the environment in which the commit will be performed. Specifically, you might want to rewrite the author/committer name/email/time environment - variables (see linkgit:git-commit-tree[1] for details). Do not forget - to re-export the variables. + variables (see linkgit:git-commit-tree[1] for details). --tree-filter <command>:: This is the filter for rewriting the tree and its contents. @@ -340,12 +339,10 @@ if test "$GIT_AUTHOR_EMAIL" = "root@localhost" then GIT_AUTHOR_EMAIL=john@example.com - export GIT_AUTHOR_EMAIL fi if test "$GIT_COMMITTER_EMAIL" = "root@localhost" then GIT_COMMITTER_EMAIL=john@example.com - export GIT_COMMITTER_EMAIL fi ' -- --all --------------------------------------------------------
diff --git a/Documentation/git-interpret-trailers.txt b/Documentation/git-interpret-trailers.txt index 09074c7..31cdeae 100644 --- a/Documentation/git-interpret-trailers.txt +++ b/Documentation/git-interpret-trailers.txt
@@ -123,7 +123,7 @@ same <token> in the message. + The valid values for this option are: `addIfDifferentNeighbor` (this -is the default), `addIfDifferent`, `add`, `overwrite` or `doNothing`. +is the default), `addIfDifferent`, `add`, `replace` or `doNothing`. + With `addIfDifferentNeighbor`, a new trailer will be added only if no trailer with the same (<token>, <value>) pair is above or below the line
diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt index 942af8e..e414185 100644 --- a/Documentation/git-pull.txt +++ b/Documentation/git-pull.txt
@@ -159,15 +159,15 @@ In order to determine what URL to use to fetch from, the value of the configuration `remote.<origin>.url` is consulted -and if there is not any such variable, the value on `URL: ` line -in `$GIT_DIR/remotes/<origin>` file is used. +and if there is not any such variable, the value on the `URL:` line +in `$GIT_DIR/remotes/<origin>` is used. In order to determine what remote branches to fetch (and optionally store in the remote-tracking branches) when the command is run without any refspec parameters on the command line, values of the configuration variable `remote.<origin>.fetch` are consulted, and if there aren't any, `$GIT_DIR/remotes/<origin>` -file is consulted and its `Pull: ` lines are used. +is consulted and its `Pull:` lines are used. In addition to the refspec formats described in the OPTIONS section, you can have a globbing refspec that looks like this:
diff --git a/Documentation/git-read-tree.txt b/Documentation/git-read-tree.txt index ed9d63e..02576d8 100644 --- a/Documentation/git-read-tree.txt +++ b/Documentation/git-read-tree.txt
@@ -137,7 +137,7 @@ ------- If `-m` is specified, 'git read-tree' can perform 3 kinds of merge, a single tree merge if only 1 tree is given, a -fast-forward merge with 2 trees, or a 3-way merge if 3 trees are +fast-forward merge with 2 trees, or a 3-way merge if 3 or more trees are provided.
diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index c40c470..b1293f2 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt
@@ -126,6 +126,12 @@ 'git diff-{asterisk}'). In contrast to the `--sq-quote` option, the command input is still interpreted as usual. +--short[=length]:: + Same as `--verify` but shortens the object name to a unique + prefix with at least `length` characters. The minimum length + is 4, the default is the effective value of the `core.abbrev` + configuration variable (see linkgit:git-config[1]). + --not:: When showing object names, prefix them with '{caret}' and strip '{caret}' prefix from the object names that already have @@ -136,12 +142,6 @@ The option core.warnAmbiguousRefs is used to select the strict abbreviation mode. ---short:: ---short=number:: - Instead of outputting the full SHA-1 values of object names try to - abbreviate them to a shorter unique name. When no length is specified - 7 is used. The minimum length is 4. - --symbolic:: Usually the object names are output in SHA-1 form (with possible '{caret}' prefix); this option makes them output in a
diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt index 9d66166..bb23b02 100644 --- a/Documentation/git-send-email.txt +++ b/Documentation/git-send-email.txt
@@ -377,6 +377,7 @@ Currently, validation means the following: + -- + * Invoke the sendemail-validate hook if present (see linkgit:githooks[5]). * Warn of patches that contain lines longer than 998 characters; this is due to SMTP limits as described by http://www.ietf.org/rfc/rfc2821.txt. --
diff --git a/Documentation/git-svn.txt b/Documentation/git-svn.txt index 9bee9b0..fba0b4e 100644 --- a/Documentation/git-svn.txt +++ b/Documentation/git-svn.txt
@@ -95,6 +95,10 @@ `--prefix ""` on the command line (`--prefix=""` may not work if your Perl's Getopt::Long is < v2.37). +--ignore-refs=<regex>;; + When passed to 'init' or 'clone' this regular expression will + be preserved as a config key. See 'fetch' for a description + of `--ignore-refs`. --ignore-paths=<regex>;; When passed to 'init' or 'clone' this regular expression will be preserved as a config key. See 'fetch' for a description @@ -138,6 +142,18 @@ --parent;; Fetch only from the SVN parent of the current HEAD. +--ignore-refs=<regex>;; + Ignore refs for branches or tags matching the Perl regular + expression. A "negative look-ahead assertion" like + `^refs/remotes/origin/(?!tags/wanted-tag|wanted-branch).*$` + can be used to allow only certain refs. ++ +[verse] +config key: svn-remote.<name>.ignore-refs ++ +If the ignore-refs configuration key is set, and the command-line +option is also given, both regular expressions will be used. + --ignore-paths=<regex>;; This allows one to specify a Perl regular expression that will cause skipping of all matching paths from checkout from SVN.
diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt index f8a0b78..1eb15af 100644 --- a/Documentation/git-tag.txt +++ b/Documentation/git-tag.txt
@@ -12,7 +12,7 @@ 'git tag' [-a | -s | -u <keyid>] [-f] [-m <msg> | -F <file>] <tagname> [<commit> | <object>] 'git tag' -d <tagname>... -'git tag' [-n[<num>]] -l [--contains <commit>] [--contains <commit>] +'git tag' [-n[<num>]] -l [--contains <commit>] [--no-contains <commit>] [--points-at <object>] [--column[=<options>] | --no-column] [--create-reflog] [--sort=<key>] [--format=<format>] [--[no-]merged [<commit>]] [<pattern>...]
diff --git a/Documentation/git.txt b/Documentation/git.txt index fb10314..7dd5e03 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt
@@ -35,516 +35,6 @@ A formatted and hyperlinked copy of the latest Git documentation can be viewed at `https://git.github.io/htmldocs/git.html`. -ifdef::stalenotes[] -[NOTE] -============ - -You are reading the documentation for the latest (possibly -unreleased) version of Git, that is available from the 'master' -branch of the `git.git` repository. -Documentation for older releases are available here: - -* link:v2.13.0/git.html[documentation for release 2.13] - -* release notes for - link:RelNotes/2.13.0.txt[2.13]. - - -* link:v2.12.3/git.html[documentation for release 2.12.3] - -* release notes for - link:RelNotes/2.12.3.txt[2.12.3], - link:RelNotes/2.12.2.txt[2.12.2], - link:RelNotes/2.12.1.txt[2.12.1], - link:RelNotes/2.12.0.txt[2.12]. - -* link:v2.11.1/git.html[documentation for release 2.11.1] - -* release notes for - link:RelNotes/2.11.2.txt[2.11.2], - link:RelNotes/2.11.1.txt[2.11.1], - link:RelNotes/2.11.0.txt[2.11]. - -* link:v2.10.3/git.html[documentation for release 2.10.3] - -* release notes for - link:RelNotes/2.10.3.txt[2.10.3], - link:RelNotes/2.10.2.txt[2.10.2], - link:RelNotes/2.10.1.txt[2.10.1], - link:RelNotes/2.10.0.txt[2.10]. - -* link:v2.9.4/git.html[documentation for release 2.9.4] - -* release notes for - link:RelNotes/2.9.4.txt[2.9.4], - link:RelNotes/2.9.3.txt[2.9.3], - link:RelNotes/2.9.2.txt[2.9.2], - link:RelNotes/2.9.1.txt[2.9.1], - link:RelNotes/2.9.0.txt[2.9]. - -* link:v2.8.5/git.html[documentation for release 2.8.5] - -* release notes for - link:RelNotes/2.8.5.txt[2.8.5], - link:RelNotes/2.8.4.txt[2.8.4], - link:RelNotes/2.8.3.txt[2.8.3], - link:RelNotes/2.8.2.txt[2.8.2], - link:RelNotes/2.8.1.txt[2.8.1], - link:RelNotes/2.8.0.txt[2.8]. - -* link:v2.7.5/git.html[documentation for release 2.7.5] - -* release notes for - link:RelNotes/2.7.5.txt[2.7.5], - link:RelNotes/2.7.4.txt[2.7.4], - link:RelNotes/2.7.3.txt[2.7.3], - link:RelNotes/2.7.2.txt[2.7.2], - link:RelNotes/2.7.1.txt[2.7.1], - link:RelNotes/2.7.0.txt[2.7]. - -* link:v2.6.7/git.html[documentation for release 2.6.7] - -* release notes for - link:RelNotes/2.6.7.txt[2.6.7], - link:RelNotes/2.6.6.txt[2.6.6], - link:RelNotes/2.6.5.txt[2.6.5], - link:RelNotes/2.6.4.txt[2.6.4], - link:RelNotes/2.6.3.txt[2.6.3], - link:RelNotes/2.6.2.txt[2.6.2], - link:RelNotes/2.6.1.txt[2.6.1], - link:RelNotes/2.6.0.txt[2.6]. - -* link:v2.5.6/git.html[documentation for release 2.5.6] - -* release notes for - link:RelNotes/2.5.6.txt[2.5.6], - link:RelNotes/2.5.5.txt[2.5.5], - link:RelNotes/2.5.4.txt[2.5.4], - link:RelNotes/2.5.3.txt[2.5.3], - link:RelNotes/2.5.2.txt[2.5.2], - link:RelNotes/2.5.1.txt[2.5.1], - link:RelNotes/2.5.0.txt[2.5]. - -* link:v2.4.12/git.html[documentation for release 2.4.12] - -* release notes for - link:RelNotes/2.4.12.txt[2.4.12], - link:RelNotes/2.4.11.txt[2.4.11], - link:RelNotes/2.4.10.txt[2.4.10], - link:RelNotes/2.4.9.txt[2.4.9], - link:RelNotes/2.4.8.txt[2.4.8], - link:RelNotes/2.4.7.txt[2.4.7], - link:RelNotes/2.4.6.txt[2.4.6], - link:RelNotes/2.4.5.txt[2.4.5], - link:RelNotes/2.4.4.txt[2.4.4], - link:RelNotes/2.4.3.txt[2.4.3], - link:RelNotes/2.4.2.txt[2.4.2], - link:RelNotes/2.4.1.txt[2.4.1], - link:RelNotes/2.4.0.txt[2.4]. - -* link:v2.3.10/git.html[documentation for release 2.3.10] - -* release notes for - link:RelNotes/2.3.10.txt[2.3.10], - link:RelNotes/2.3.9.txt[2.3.9], - link:RelNotes/2.3.8.txt[2.3.8], - link:RelNotes/2.3.7.txt[2.3.7], - link:RelNotes/2.3.6.txt[2.3.6], - link:RelNotes/2.3.5.txt[2.3.5], - link:RelNotes/2.3.4.txt[2.3.4], - link:RelNotes/2.3.3.txt[2.3.3], - link:RelNotes/2.3.2.txt[2.3.2], - link:RelNotes/2.3.1.txt[2.3.1], - link:RelNotes/2.3.0.txt[2.3]. - -* link:v2.2.3/git.html[documentation for release 2.2.3] - -* release notes for - link:RelNotes/2.2.3.txt[2.2.3], - link:RelNotes/2.2.2.txt[2.2.2], - link:RelNotes/2.2.1.txt[2.2.1], - link:RelNotes/2.2.0.txt[2.2]. - -* link:v2.1.4/git.html[documentation for release 2.1.4] - -* release notes for - link:RelNotes/2.1.4.txt[2.1.4], - link:RelNotes/2.1.3.txt[2.1.3], - link:RelNotes/2.1.2.txt[2.1.2], - link:RelNotes/2.1.1.txt[2.1.1], - link:RelNotes/2.1.0.txt[2.1]. - -* link:v2.0.5/git.html[documentation for release 2.0.5] - -* release notes for - link:RelNotes/2.0.5.txt[2.0.5], - link:RelNotes/2.0.4.txt[2.0.4], - link:RelNotes/2.0.3.txt[2.0.3], - link:RelNotes/2.0.2.txt[2.0.2], - link:RelNotes/2.0.1.txt[2.0.1], - link:RelNotes/2.0.0.txt[2.0.0]. - -* link:v1.9.5/git.html[documentation for release 1.9.5] - -* release notes for - link:RelNotes/1.9.5.txt[1.9.5], - link:RelNotes/1.9.4.txt[1.9.4], - link:RelNotes/1.9.3.txt[1.9.3], - link:RelNotes/1.9.2.txt[1.9.2], - link:RelNotes/1.9.1.txt[1.9.1], - link:RelNotes/1.9.0.txt[1.9.0]. - -* link:v1.8.5.6/git.html[documentation for release 1.8.5.6] - -* release notes for - link:RelNotes/1.8.5.6.txt[1.8.5.6], - link:RelNotes/1.8.5.5.txt[1.8.5.5], - link:RelNotes/1.8.5.4.txt[1.8.5.4], - link:RelNotes/1.8.5.3.txt[1.8.5.3], - link:RelNotes/1.8.5.2.txt[1.8.5.2], - link:RelNotes/1.8.5.1.txt[1.8.5.1], - link:RelNotes/1.8.5.txt[1.8.5]. - -* link:v1.8.4.5/git.html[documentation for release 1.8.4.5] - -* release notes for - link:RelNotes/1.8.4.5.txt[1.8.4.5], - link:RelNotes/1.8.4.4.txt[1.8.4.4], - link:RelNotes/1.8.4.3.txt[1.8.4.3], - link:RelNotes/1.8.4.2.txt[1.8.4.2], - link:RelNotes/1.8.4.1.txt[1.8.4.1], - link:RelNotes/1.8.4.txt[1.8.4]. - -* link:v1.8.3.4/git.html[documentation for release 1.8.3.4] - -* release notes for - link:RelNotes/1.8.3.4.txt[1.8.3.4], - link:RelNotes/1.8.3.3.txt[1.8.3.3], - link:RelNotes/1.8.3.2.txt[1.8.3.2], - link:RelNotes/1.8.3.1.txt[1.8.3.1], - link:RelNotes/1.8.3.txt[1.8.3]. - -* link:v1.8.2.3/git.html[documentation for release 1.8.2.3] - -* release notes for - link:RelNotes/1.8.2.3.txt[1.8.2.3], - link:RelNotes/1.8.2.2.txt[1.8.2.2], - link:RelNotes/1.8.2.1.txt[1.8.2.1], - link:RelNotes/1.8.2.txt[1.8.2]. - -* link:v1.8.1.6/git.html[documentation for release 1.8.1.6] - -* release notes for - link:RelNotes/1.8.1.6.txt[1.8.1.6], - link:RelNotes/1.8.1.5.txt[1.8.1.5], - link:RelNotes/1.8.1.4.txt[1.8.1.4], - link:RelNotes/1.8.1.3.txt[1.8.1.3], - link:RelNotes/1.8.1.2.txt[1.8.1.2], - link:RelNotes/1.8.1.1.txt[1.8.1.1], - link:RelNotes/1.8.1.txt[1.8.1]. - -* link:v1.8.0.3/git.html[documentation for release 1.8.0.3] - -* release notes for - link:RelNotes/1.8.0.3.txt[1.8.0.3], - link:RelNotes/1.8.0.2.txt[1.8.0.2], - link:RelNotes/1.8.0.1.txt[1.8.0.1], - link:RelNotes/1.8.0.txt[1.8.0]. - -* link:v1.7.12.4/git.html[documentation for release 1.7.12.4] - -* release notes for - link:RelNotes/1.7.12.4.txt[1.7.12.4], - link:RelNotes/1.7.12.3.txt[1.7.12.3], - link:RelNotes/1.7.12.2.txt[1.7.12.2], - link:RelNotes/1.7.12.1.txt[1.7.12.1], - link:RelNotes/1.7.12.txt[1.7.12]. - -* link:v1.7.11.7/git.html[documentation for release 1.7.11.7] - -* release notes for - link:RelNotes/1.7.11.7.txt[1.7.11.7], - link:RelNotes/1.7.11.6.txt[1.7.11.6], - link:RelNotes/1.7.11.5.txt[1.7.11.5], - link:RelNotes/1.7.11.4.txt[1.7.11.4], - link:RelNotes/1.7.11.3.txt[1.7.11.3], - link:RelNotes/1.7.11.2.txt[1.7.11.2], - link:RelNotes/1.7.11.1.txt[1.7.11.1], - link:RelNotes/1.7.11.txt[1.7.11]. - -* link:v1.7.10.5/git.html[documentation for release 1.7.10.5] - -* release notes for - link:RelNotes/1.7.10.5.txt[1.7.10.5], - link:RelNotes/1.7.10.4.txt[1.7.10.4], - link:RelNotes/1.7.10.3.txt[1.7.10.3], - link:RelNotes/1.7.10.2.txt[1.7.10.2], - link:RelNotes/1.7.10.1.txt[1.7.10.1], - link:RelNotes/1.7.10.txt[1.7.10]. - -* link:v1.7.9.7/git.html[documentation for release 1.7.9.7] - -* release notes for - link:RelNotes/1.7.9.7.txt[1.7.9.7], - link:RelNotes/1.7.9.6.txt[1.7.9.6], - link:RelNotes/1.7.9.5.txt[1.7.9.5], - link:RelNotes/1.7.9.4.txt[1.7.9.4], - link:RelNotes/1.7.9.3.txt[1.7.9.3], - link:RelNotes/1.7.9.2.txt[1.7.9.2], - link:RelNotes/1.7.9.1.txt[1.7.9.1], - link:RelNotes/1.7.9.txt[1.7.9]. - -* link:v1.7.8.6/git.html[documentation for release 1.7.8.6] - -* release notes for - link:RelNotes/1.7.8.6.txt[1.7.8.6], - link:RelNotes/1.7.8.5.txt[1.7.8.5], - link:RelNotes/1.7.8.4.txt[1.7.8.4], - link:RelNotes/1.7.8.3.txt[1.7.8.3], - link:RelNotes/1.7.8.2.txt[1.7.8.2], - link:RelNotes/1.7.8.1.txt[1.7.8.1], - link:RelNotes/1.7.8.txt[1.7.8]. - -* link:v1.7.7.7/git.html[documentation for release 1.7.7.7] - -* release notes for - link:RelNotes/1.7.7.7.txt[1.7.7.7], - link:RelNotes/1.7.7.6.txt[1.7.7.6], - link:RelNotes/1.7.7.5.txt[1.7.7.5], - link:RelNotes/1.7.7.4.txt[1.7.7.4], - link:RelNotes/1.7.7.3.txt[1.7.7.3], - link:RelNotes/1.7.7.2.txt[1.7.7.2], - link:RelNotes/1.7.7.1.txt[1.7.7.1], - link:RelNotes/1.7.7.txt[1.7.7]. - -* link:v1.7.6.6/git.html[documentation for release 1.7.6.6] - -* release notes for - link:RelNotes/1.7.6.6.txt[1.7.6.6], - link:RelNotes/1.7.6.5.txt[1.7.6.5], - link:RelNotes/1.7.6.4.txt[1.7.6.4], - link:RelNotes/1.7.6.3.txt[1.7.6.3], - link:RelNotes/1.7.6.2.txt[1.7.6.2], - link:RelNotes/1.7.6.1.txt[1.7.6.1], - link:RelNotes/1.7.6.txt[1.7.6]. - -* link:v1.7.5.4/git.html[documentation for release 1.7.5.4] - -* release notes for - link:RelNotes/1.7.5.4.txt[1.7.5.4], - link:RelNotes/1.7.5.3.txt[1.7.5.3], - link:RelNotes/1.7.5.2.txt[1.7.5.2], - link:RelNotes/1.7.5.1.txt[1.7.5.1], - link:RelNotes/1.7.5.txt[1.7.5]. - -* link:v1.7.4.5/git.html[documentation for release 1.7.4.5] - -* release notes for - link:RelNotes/1.7.4.5.txt[1.7.4.5], - link:RelNotes/1.7.4.4.txt[1.7.4.4], - link:RelNotes/1.7.4.3.txt[1.7.4.3], - link:RelNotes/1.7.4.2.txt[1.7.4.2], - link:RelNotes/1.7.4.1.txt[1.7.4.1], - link:RelNotes/1.7.4.txt[1.7.4]. - -* link:v1.7.3.5/git.html[documentation for release 1.7.3.5] - -* release notes for - link:RelNotes/1.7.3.5.txt[1.7.3.5], - link:RelNotes/1.7.3.4.txt[1.7.3.4], - link:RelNotes/1.7.3.3.txt[1.7.3.3], - link:RelNotes/1.7.3.2.txt[1.7.3.2], - link:RelNotes/1.7.3.1.txt[1.7.3.1], - link:RelNotes/1.7.3.txt[1.7.3]. - -* link:v1.7.2.5/git.html[documentation for release 1.7.2.5] - -* release notes for - link:RelNotes/1.7.2.5.txt[1.7.2.5], - link:RelNotes/1.7.2.4.txt[1.7.2.4], - link:RelNotes/1.7.2.3.txt[1.7.2.3], - link:RelNotes/1.7.2.2.txt[1.7.2.2], - link:RelNotes/1.7.2.1.txt[1.7.2.1], - link:RelNotes/1.7.2.txt[1.7.2]. - -* link:v1.7.1.4/git.html[documentation for release 1.7.1.4] - -* release notes for - link:RelNotes/1.7.1.4.txt[1.7.1.4], - link:RelNotes/1.7.1.3.txt[1.7.1.3], - 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link:RelNotes/1.6.5.6.txt[1.6.5.6], - link:RelNotes/1.6.5.5.txt[1.6.5.5], - link:RelNotes/1.6.5.4.txt[1.6.5.4], - link:RelNotes/1.6.5.3.txt[1.6.5.3], - link:RelNotes/1.6.5.2.txt[1.6.5.2], - link:RelNotes/1.6.5.1.txt[1.6.5.1], - link:RelNotes/1.6.5.txt[1.6.5]. - -* link:v1.6.4.5/git.html[documentation for release 1.6.4.5] - -* release notes for - link:RelNotes/1.6.4.5.txt[1.6.4.5], - link:RelNotes/1.6.4.4.txt[1.6.4.4], - link:RelNotes/1.6.4.3.txt[1.6.4.3], - link:RelNotes/1.6.4.2.txt[1.6.4.2], - link:RelNotes/1.6.4.1.txt[1.6.4.1], - link:RelNotes/1.6.4.txt[1.6.4]. - -* link:v1.6.3.4/git.html[documentation for release 1.6.3.4] - -* release notes for - link:RelNotes/1.6.3.4.txt[1.6.3.4], - link:RelNotes/1.6.3.3.txt[1.6.3.3], - link:RelNotes/1.6.3.2.txt[1.6.3.2], - link:RelNotes/1.6.3.1.txt[1.6.3.1], - link:RelNotes/1.6.3.txt[1.6.3]. - -* release notes for - link:RelNotes/1.6.2.5.txt[1.6.2.5], - link:RelNotes/1.6.2.4.txt[1.6.2.4], - link:RelNotes/1.6.2.3.txt[1.6.2.3], - link:RelNotes/1.6.2.2.txt[1.6.2.2], - link:RelNotes/1.6.2.1.txt[1.6.2.1], - link:RelNotes/1.6.2.txt[1.6.2]. - -* link:v1.6.1.3/git.html[documentation for release 1.6.1.3] - -* release notes for - link:RelNotes/1.6.1.3.txt[1.6.1.3], - link:RelNotes/1.6.1.2.txt[1.6.1.2], - link:RelNotes/1.6.1.1.txt[1.6.1.1], - link:RelNotes/1.6.1.txt[1.6.1]. - -* link:v1.6.0.6/git.html[documentation for release 1.6.0.6] - -* release notes for - link:RelNotes/1.6.0.6.txt[1.6.0.6], - link:RelNotes/1.6.0.5.txt[1.6.0.5], - link:RelNotes/1.6.0.4.txt[1.6.0.4], - link:RelNotes/1.6.0.3.txt[1.6.0.3], - link:RelNotes/1.6.0.2.txt[1.6.0.2], - link:RelNotes/1.6.0.1.txt[1.6.0.1], - link:RelNotes/1.6.0.txt[1.6.0]. - -* link:v1.5.6.6/git.html[documentation for release 1.5.6.6] - -* release notes for - link:RelNotes/1.5.6.6.txt[1.5.6.6], - link:RelNotes/1.5.6.5.txt[1.5.6.5], - link:RelNotes/1.5.6.4.txt[1.5.6.4], - link:RelNotes/1.5.6.3.txt[1.5.6.3], - link:RelNotes/1.5.6.2.txt[1.5.6.2], - link:RelNotes/1.5.6.1.txt[1.5.6.1], - link:RelNotes/1.5.6.txt[1.5.6]. - -* link:v1.5.5.6/git.html[documentation for release 1.5.5.6] - -* release notes for - link:RelNotes/1.5.5.6.txt[1.5.5.6], - link:RelNotes/1.5.5.5.txt[1.5.5.5], - link:RelNotes/1.5.5.4.txt[1.5.5.4], - link:RelNotes/1.5.5.3.txt[1.5.5.3], - link:RelNotes/1.5.5.2.txt[1.5.5.2], - link:RelNotes/1.5.5.1.txt[1.5.5.1], - link:RelNotes/1.5.5.txt[1.5.5]. - -* link:v1.5.4.7/git.html[documentation for release 1.5.4.7] - -* release notes for - link:RelNotes/1.5.4.7.txt[1.5.4.7], - link:RelNotes/1.5.4.6.txt[1.5.4.6], - link:RelNotes/1.5.4.5.txt[1.5.4.5], - link:RelNotes/1.5.4.4.txt[1.5.4.4], - link:RelNotes/1.5.4.3.txt[1.5.4.3], - link:RelNotes/1.5.4.2.txt[1.5.4.2], - link:RelNotes/1.5.4.1.txt[1.5.4.1], - link:RelNotes/1.5.4.txt[1.5.4]. - -* link:v1.5.3.8/git.html[documentation for release 1.5.3.8] - -* release notes for - link:RelNotes/1.5.3.8.txt[1.5.3.8], - link:RelNotes/1.5.3.7.txt[1.5.3.7], - link:RelNotes/1.5.3.6.txt[1.5.3.6], - link:RelNotes/1.5.3.5.txt[1.5.3.5], - link:RelNotes/1.5.3.4.txt[1.5.3.4], - link:RelNotes/1.5.3.3.txt[1.5.3.3], - link:RelNotes/1.5.3.2.txt[1.5.3.2], - link:RelNotes/1.5.3.1.txt[1.5.3.1], - link:RelNotes/1.5.3.txt[1.5.3]. - -* link:v1.5.2.5/git.html[documentation for release 1.5.2.5] - -* release notes for - link:RelNotes/1.5.2.5.txt[1.5.2.5], - link:RelNotes/1.5.2.4.txt[1.5.2.4], - link:RelNotes/1.5.2.3.txt[1.5.2.3], - link:RelNotes/1.5.2.2.txt[1.5.2.2], - link:RelNotes/1.5.2.1.txt[1.5.2.1], - link:RelNotes/1.5.2.txt[1.5.2]. - -* link:v1.5.1.6/git.html[documentation for release 1.5.1.6] - -* release notes for - link:RelNotes/1.5.1.6.txt[1.5.1.6], - link:RelNotes/1.5.1.5.txt[1.5.1.5], - link:RelNotes/1.5.1.4.txt[1.5.1.4], - link:RelNotes/1.5.1.3.txt[1.5.1.3], - link:RelNotes/1.5.1.2.txt[1.5.1.2], - link:RelNotes/1.5.1.1.txt[1.5.1.1], - link:RelNotes/1.5.1.txt[1.5.1]. - -* link:v1.5.0.7/git.html[documentation for release 1.5.0.7] - -* release notes for - link:RelNotes/1.5.0.7.txt[1.5.0.7], - link:RelNotes/1.5.0.6.txt[1.5.0.6], - link:RelNotes/1.5.0.5.txt[1.5.0.5], - link:RelNotes/1.5.0.3.txt[1.5.0.3], - link:RelNotes/1.5.0.2.txt[1.5.0.2], - link:RelNotes/1.5.0.1.txt[1.5.0.1], - link:RelNotes/1.5.0.txt[1.5.0]. - -* documentation for release link:v1.4.4.4/git.html[1.4.4.4], - link:v1.3.3/git.html[1.3.3], - link:v1.2.6/git.html[1.2.6], - link:v1.0.13/git.html[1.0.13]. - -============ - -endif::stalenotes[] OPTIONS -------
diff --git a/Documentation/githooks.txt b/Documentation/githooks.txt index 706091a..b2514f4 100644 --- a/Documentation/githooks.txt +++ b/Documentation/githooks.txt
@@ -447,6 +447,14 @@ The commits are guaranteed to be listed in the order that they were processed by rebase. +sendemail-validate +~~~~~~~~~~~~~~~~~~ + +This hook is invoked by 'git send-email'. It takes a single parameter, +the name of the file that holds the e-mail to be sent. Exiting with a +non-zero status causes 'git send-email' to abort before sending any +e-mails. + GIT ---
diff --git a/Documentation/gitweb.txt b/Documentation/gitweb.txt index 96156e5..8845058 100644 --- a/Documentation/gitweb.txt +++ b/Documentation/gitweb.txt
@@ -84,7 +84,7 @@ * Fields use modified URI encoding, defined in RFC 3986, section 2.1 (Percent-Encoding), or rather "Query string encoding" (see -http://en.wikipedia.org/wiki/Query_string#URL_encoding[]), the difference +https://en.wikipedia.org/wiki/Query_string#URL_encoding[]), the difference being that SP (" ") can be encoded as "{plus}" (and therefore "{plus}" has to be also percent-encoded). +
diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index 47b286b..38040e9 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt
@@ -199,7 +199,7 @@ than given and there are spaces on its left, use those spaces - '%><(<N>)', '%><|(<N>)': similar to '% <(<N>)', '%<|(<N>)' respectively, but padding both sides (i.e. the text is centered) --%(trailers): display the trailers of the body as interpreted by +- %(trailers): display the trailers of the body as interpreted by linkgit:git-interpret-trailers[1] NOTE: Some placeholders may depend on other options given to the
diff --git a/Documentation/technical/api-directory-listing.txt b/Documentation/technical/api-directory-listing.txt index 7f8e78d..6c77b49 100644 --- a/Documentation/technical/api-directory-listing.txt +++ b/Documentation/technical/api-directory-listing.txt
@@ -33,6 +33,12 @@ Similar to `DIR_SHOW_IGNORED`, but return ignored files in `ignored[]` in addition to untracked files in `entries[]`. +`DIR_KEEP_UNTRACKED_CONTENTS`::: + + Only has meaning if `DIR_SHOW_IGNORED_TOO` is also set; if this is set, the + untracked contents of untracked directories are also returned in + `entries[]`. + `DIR_COLLECT_IGNORED`::: Special mode for git-add. Return ignored files in `ignored[]` and
diff --git a/Documentation/technical/api-sub-process.txt b/Documentation/technical/api-sub-process.txt new file mode 100644 index 0000000..793508c --- /dev/null +++ b/Documentation/technical/api-sub-process.txt
@@ -0,0 +1,59 @@ +sub-process API +=============== + +The sub-process API makes it possible to run background sub-processes +for the entire lifetime of a Git invocation. If Git needs to communicate +with an external process multiple times, then this can reduces the process +invocation overhead. Git and the sub-process communicate through stdin and +stdout. + +The sub-processes are kept in a hashmap by command name and looked up +via the subprocess_find_entry function. If an existing instance can not +be found then a new process should be created and started. When the +parent git command terminates, all sub-processes are also terminated. + +This API is based on the run-command API. + +Data structures +--------------- + +* `struct subprocess_entry` + +The sub-process structure. Members should not be accessed directly. + +Types +----- + +'int(*subprocess_start_fn)(struct subprocess_entry *entry)':: + + User-supplied function to initialize the sub-process. This is + typically used to negotiate the interface version and capabilities. + + +Functions +--------- + +`cmd2process_cmp`:: + + Function to test two subprocess hashmap entries for equality. + +`subprocess_start`:: + + Start a subprocess and add it to the subprocess hashmap. + +`subprocess_stop`:: + + Kill a subprocess and remove it from the subprocess hashmap. + +`subprocess_find_entry`:: + + Find a subprocess in the subprocess hashmap. + +`subprocess_get_child_process`:: + + Get the underlying `struct child_process` from a subprocess. + +`subprocess_read_status`:: + + Helper function to read packets looking for the last "status=<foo>" + key/value pair.
diff --git a/Makefile b/Makefile index a79274e..7c621f7 100644 --- a/Makefile +++ b/Makefile
@@ -720,6 +720,7 @@ LIB_OBJS += attr.o LIB_OBJS += base85.o LIB_OBJS += bisect.o +LIB_OBJS += blame.o LIB_OBJS += blob.o LIB_OBJS += branch.o LIB_OBJS += bulk-checkin.o @@ -844,6 +845,7 @@ LIB_OBJS += string-list.o LIB_OBJS += submodule.o LIB_OBJS += submodule-config.o +LIB_OBJS += sub-process.o LIB_OBJS += symlinks.o LIB_OBJS += tag.o LIB_OBJS += tempfile.o @@ -1416,7 +1418,14 @@ DC_SHA1 := YesPlease LIB_OBJS += sha1dc/sha1.o LIB_OBJS += sha1dc/ubc_check.o - BASIC_CFLAGS += -DSHA1_DC + BASIC_CFLAGS += \ + -DSHA1_DC \ + -DSHA1DC_NO_STANDARD_INCLUDES \ + -DSHA1DC_INIT_SAFE_HASH_DEFAULT=0 \ + -DSHA1DC_CUSTOM_INCLUDE_SHA1_C="\"cache.h\"" \ + -DSHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_C="\"sha1dc_git.c\"" \ + -DSHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_H="\"sha1dc_git.h\"" \ + -DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C="\"git-compat-util.h\"" endif endif endif
diff --git a/apply.c b/apply.c index c49cef0..854faa6 100644 --- a/apply.c +++ b/apply.c
@@ -3741,7 +3741,7 @@ static int check_to_create(struct apply_state *state, return 0; return EXISTS_IN_WORKTREE; - } else if ((errno != ENOENT) && (errno != ENOTDIR)) { + } else if (!is_missing_file_error(errno)) { return error_errno("%s", new_name); } return 0;
diff --git a/archive.c b/archive.c index 60b8891..b15a922 100644 --- a/archive.c +++ b/archive.c
@@ -360,7 +360,7 @@ static void parse_treeish_arg(const char **argv, if (get_sha1(name, oid.hash)) die("Not a valid object name"); - commit = lookup_commit_reference_gently(oid.hash, 1); + commit = lookup_commit_reference_gently(&oid, 1); if (commit) { commit_sha1 = commit->object.oid.hash; archive_time = commit->date; @@ -369,7 +369,7 @@ static void parse_treeish_arg(const char **argv, archive_time = time(NULL); } - tree = parse_tree_indirect(oid.hash); + tree = parse_tree_indirect(&oid); if (tree == NULL) die("not a tree object"); @@ -383,7 +383,7 @@ static void parse_treeish_arg(const char **argv, if (err || !S_ISDIR(mode)) die("current working directory is untracked"); - tree = parse_tree_indirect(tree_oid.hash); + tree = parse_tree_indirect(&tree_oid); } ar_args->tree = tree; ar_args->commit_sha1 = commit_sha1;
diff --git a/bisect.c b/bisect.c index 08c9fb7..c952df6 100644 --- a/bisect.c +++ b/bisect.c
@@ -546,7 +546,7 @@ static unsigned get_prn(unsigned count) { /* * Custom integer square root from - * http://en.wikipedia.org/wiki/Integer_square_root + * https://en.wikipedia.org/wiki/Integer_square_root */ static int sqrti(int val) { @@ -705,7 +705,7 @@ static int bisect_checkout(const unsigned char *bisect_rev, int no_checkout) static struct commit *get_commit_reference(const struct object_id *oid) { - struct commit *r = lookup_commit_reference(oid->hash); + struct commit *r = lookup_commit_reference(oid); if (!r) die(_("Not a valid commit name %s"), oid_to_hex(oid)); return r; @@ -995,8 +995,10 @@ int bisect_next_all(const char *prefix, int no_checkout) steps_msg = xstrfmt(Q_("(roughly %d step)", "(roughly %d steps)", steps), steps); - /* TRANSLATORS: the last %s will be replaced with - "(roughly %d steps)" translation */ + /* + * TRANSLATORS: the last %s will be replaced with "(roughly %d + * steps)" translation. + */ printf(Q_("Bisecting: %d revision left to test after this %s\n", "Bisecting: %d revisions left to test after this %s\n", nr), nr, steps_msg);
diff --git a/blame.c b/blame.c new file mode 100644 index 0000000..843c845 --- /dev/null +++ b/blame.c
@@ -0,0 +1,1863 @@ +#include "cache.h" +#include "refs.h" +#include "cache-tree.h" +#include "mergesort.h" +#include "diff.h" +#include "diffcore.h" +#include "tag.h" +#include "blame.h" + +void blame_origin_decref(struct blame_origin *o) +{ + if (o && --o->refcnt <= 0) { + struct blame_origin *p, *l = NULL; + if (o->previous) + blame_origin_decref(o->previous); + free(o->file.ptr); + /* Should be present exactly once in commit chain */ + for (p = o->commit->util; p; l = p, p = p->next) { + if (p == o) { + if (l) + l->next = p->next; + else + o->commit->util = p->next; + free(o); + return; + } + } + die("internal error in blame_origin_decref"); + } +} + +/* + * Given a commit and a path in it, create a new origin structure. + * The callers that add blame to the scoreboard should use + * get_origin() to obtain shared, refcounted copy instead of calling + * this function directly. + */ +static struct blame_origin *make_origin(struct commit *commit, const char *path) +{ + struct blame_origin *o; + FLEX_ALLOC_STR(o, path, path); + o->commit = commit; + o->refcnt = 1; + o->next = commit->util; + commit->util = o; + return o; +} + +/* + * Locate an existing origin or create a new one. + * This moves the origin to front position in the commit util list. + */ +static struct blame_origin *get_origin(struct commit *commit, const char *path) +{ + struct blame_origin *o, *l; + + for (o = commit->util, l = NULL; o; l = o, o = o->next) { + if (!strcmp(o->path, path)) { + /* bump to front */ + if (l) { + l->next = o->next; + o->next = commit->util; + commit->util = o; + } + return blame_origin_incref(o); + } + } + return make_origin(commit, path); +} + + + +static void verify_working_tree_path(struct commit *work_tree, const char *path) +{ + struct commit_list *parents; + int pos; + + for (parents = work_tree->parents; parents; parents = parents->next) { + const struct object_id *commit_oid = &parents->item->object.oid; + struct object_id blob_oid; + unsigned mode; + + if (!get_tree_entry(commit_oid->hash, path, blob_oid.hash, &mode) && + sha1_object_info(blob_oid.hash, NULL) == OBJ_BLOB) + return; + } + + pos = cache_name_pos(path, strlen(path)); + if (pos >= 0) + ; /* path is in the index */ + else if (-1 - pos < active_nr && + !strcmp(active_cache[-1 - pos]->name, path)) + ; /* path is in the index, unmerged */ + else + die("no such path '%s' in HEAD", path); +} + +static struct commit_list **append_parent(struct commit_list **tail, const struct object_id *oid) +{ + struct commit *parent; + + parent = lookup_commit_reference(oid); + if (!parent) + die("no such commit %s", oid_to_hex(oid)); + return &commit_list_insert(parent, tail)->next; +} + +static void append_merge_parents(struct commit_list **tail) +{ + int merge_head; + struct strbuf line = STRBUF_INIT; + + merge_head = open(git_path_merge_head(), O_RDONLY); + if (merge_head < 0) { + if (errno == ENOENT) + return; + die("cannot open '%s' for reading", git_path_merge_head()); + } + + while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) { + struct object_id oid; + if (line.len < GIT_SHA1_HEXSZ || get_oid_hex(line.buf, &oid)) + die("unknown line in '%s': %s", git_path_merge_head(), line.buf); + tail = append_parent(tail, &oid); + } + close(merge_head); + strbuf_release(&line); +} + +/* + * This isn't as simple as passing sb->buf and sb->len, because we + * want to transfer ownership of the buffer to the commit (so we + * must use detach). + */ +static void set_commit_buffer_from_strbuf(struct commit *c, struct strbuf *sb) +{ + size_t len; + void *buf = strbuf_detach(sb, &len); + set_commit_buffer(c, buf, len); +} + +/* + * Prepare a dummy commit that represents the work tree (or staged) item. + * Note that annotating work tree item never works in the reverse. + */ +static struct commit *fake_working_tree_commit(struct diff_options *opt, + const char *path, + const char *contents_from) +{ + struct commit *commit; + struct blame_origin *origin; + struct commit_list **parent_tail, *parent; + struct object_id head_oid; + struct strbuf buf = STRBUF_INIT; + const char *ident; + time_t now; + int size, len; + struct cache_entry *ce; + unsigned mode; + struct strbuf msg = STRBUF_INIT; + + read_cache(); + time(&now); + commit = alloc_commit_node(); + commit->object.parsed = 1; + commit->date = now; + parent_tail = &commit->parents; + + if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL)) + die("no such ref: HEAD"); + + parent_tail = append_parent(parent_tail, &head_oid); + append_merge_parents(parent_tail); + verify_working_tree_path(commit, path); + + origin = make_origin(commit, path); + + ident = fmt_ident("Not Committed Yet", "not.committed.yet", NULL, 0); + strbuf_addstr(&msg, "tree 0000000000000000000000000000000000000000\n"); + for (parent = commit->parents; parent; parent = parent->next) + strbuf_addf(&msg, "parent %s\n", + oid_to_hex(&parent->item->object.oid)); + strbuf_addf(&msg, + "author %s\n" + "committer %s\n\n" + "Version of %s from %s\n", + ident, ident, path, + (!contents_from ? path : + (!strcmp(contents_from, "-") ? "standard input" : contents_from))); + set_commit_buffer_from_strbuf(commit, &msg); + + if (!contents_from || strcmp("-", contents_from)) { + struct stat st; + const char *read_from; + char *buf_ptr; + unsigned long buf_len; + + if (contents_from) { + if (stat(contents_from, &st) < 0) + die_errno("Cannot stat '%s'", contents_from); + read_from = contents_from; + } + else { + if (lstat(path, &st) < 0) + die_errno("Cannot lstat '%s'", path); + read_from = path; + } + mode = canon_mode(st.st_mode); + + switch (st.st_mode & S_IFMT) { + case S_IFREG: + if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && + textconv_object(read_from, mode, &null_oid, 0, &buf_ptr, &buf_len)) + strbuf_attach(&buf, buf_ptr, buf_len, buf_len + 1); + else if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size) + die_errno("cannot open or read '%s'", read_from); + break; + case S_IFLNK: + if (strbuf_readlink(&buf, read_from, st.st_size) < 0) + die_errno("cannot readlink '%s'", read_from); + break; + default: + die("unsupported file type %s", read_from); + } + } + else { + /* Reading from stdin */ + mode = 0; + if (strbuf_read(&buf, 0, 0) < 0) + die_errno("failed to read from stdin"); + } + convert_to_git(path, buf.buf, buf.len, &buf, 0); + origin->file.ptr = buf.buf; + origin->file.size = buf.len; + pretend_sha1_file(buf.buf, buf.len, OBJ_BLOB, origin->blob_oid.hash); + + /* + * Read the current index, replace the path entry with + * origin->blob_sha1 without mucking with its mode or type + * bits; we are not going to write this index out -- we just + * want to run "diff-index --cached". + */ + discard_cache(); + read_cache(); + + len = strlen(path); + if (!mode) { + int pos = cache_name_pos(path, len); + if (0 <= pos) + mode = active_cache[pos]->ce_mode; + else + /* Let's not bother reading from HEAD tree */ + mode = S_IFREG | 0644; + } + size = cache_entry_size(len); + ce = xcalloc(1, size); + oidcpy(&ce->oid, &origin->blob_oid); + memcpy(ce->name, path, len); + ce->ce_flags = create_ce_flags(0); + ce->ce_namelen = len; + ce->ce_mode = create_ce_mode(mode); + add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE); + + cache_tree_invalidate_path(&the_index, path); + + return commit; +} + + + +static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b, + xdl_emit_hunk_consume_func_t hunk_func, void *cb_data, int xdl_opts) +{ + xpparam_t xpp = {0}; + xdemitconf_t xecfg = {0}; + xdemitcb_t ecb = {NULL}; + + xpp.flags = xdl_opts; + xecfg.hunk_func = hunk_func; + ecb.priv = cb_data; + return xdi_diff(file_a, file_b, &xpp, &xecfg, &ecb); +} + +/* + * Given an origin, prepare mmfile_t structure to be used by the + * diff machinery + */ +static void fill_origin_blob(struct diff_options *opt, + struct blame_origin *o, mmfile_t *file, int *num_read_blob) +{ + if (!o->file.ptr) { + enum object_type type; + unsigned long file_size; + + (*num_read_blob)++; + if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && + textconv_object(o->path, o->mode, &o->blob_oid, 1, &file->ptr, &file_size)) + ; + else + file->ptr = read_sha1_file(o->blob_oid.hash, &type, + &file_size); + file->size = file_size; + + if (!file->ptr) + die("Cannot read blob %s for path %s", + oid_to_hex(&o->blob_oid), + o->path); + o->file = *file; + } + else + *file = o->file; +} + +static void drop_origin_blob(struct blame_origin *o) +{ + if (o->file.ptr) { + free(o->file.ptr); + o->file.ptr = NULL; + } +} + +/* + * Any merge of blames happens on lists of blames that arrived via + * different parents in a single suspect. In this case, we want to + * sort according to the suspect line numbers as opposed to the final + * image line numbers. The function body is somewhat longish because + * it avoids unnecessary writes. + */ + +static struct blame_entry *blame_merge(struct blame_entry *list1, + struct blame_entry *list2) +{ + struct blame_entry *p1 = list1, *p2 = list2, + **tail = &list1; + + if (!p1) + return p2; + if (!p2) + return p1; + + if (p1->s_lno <= p2->s_lno) { + do { + tail = &p1->next; + if ((p1 = *tail) == NULL) { + *tail = p2; + return list1; + } + } while (p1->s_lno <= p2->s_lno); + } + for (;;) { + *tail = p2; + do { + tail = &p2->next; + if ((p2 = *tail) == NULL) { + *tail = p1; + return list1; + } + } while (p1->s_lno > p2->s_lno); + *tail = p1; + do { + tail = &p1->next; + if ((p1 = *tail) == NULL) { + *tail = p2; + return list1; + } + } while (p1->s_lno <= p2->s_lno); + } +} + +static void *get_next_blame(const void *p) +{ + return ((struct blame_entry *)p)->next; +} + +static void set_next_blame(void *p1, void *p2) +{ + ((struct blame_entry *)p1)->next = p2; +} + +/* + * Final image line numbers are all different, so we don't need a + * three-way comparison here. + */ + +static int compare_blame_final(const void *p1, const void *p2) +{ + return ((struct blame_entry *)p1)->lno > ((struct blame_entry *)p2)->lno + ? 1 : -1; +} + +static int compare_blame_suspect(const void *p1, const void *p2) +{ + const struct blame_entry *s1 = p1, *s2 = p2; + /* + * to allow for collating suspects, we sort according to the + * respective pointer value as the primary sorting criterion. + * The actual relation is pretty unimportant as long as it + * establishes a total order. Comparing as integers gives us + * that. + */ + if (s1->suspect != s2->suspect) + return (intptr_t)s1->suspect > (intptr_t)s2->suspect ? 1 : -1; + if (s1->s_lno == s2->s_lno) + return 0; + return s1->s_lno > s2->s_lno ? 1 : -1; +} + +void blame_sort_final(struct blame_scoreboard *sb) +{ + sb->ent = llist_mergesort(sb->ent, get_next_blame, set_next_blame, + compare_blame_final); +} + +static int compare_commits_by_reverse_commit_date(const void *a, + const void *b, + void *c) +{ + return -compare_commits_by_commit_date(a, b, c); +} + +/* + * For debugging -- origin is refcounted, and this asserts that + * we do not underflow. + */ +static void sanity_check_refcnt(struct blame_scoreboard *sb) +{ + int baa = 0; + struct blame_entry *ent; + + for (ent = sb->ent; ent; ent = ent->next) { + /* Nobody should have zero or negative refcnt */ + if (ent->suspect->refcnt <= 0) { + fprintf(stderr, "%s in %s has negative refcnt %d\n", + ent->suspect->path, + oid_to_hex(&ent->suspect->commit->object.oid), + ent->suspect->refcnt); + baa = 1; + } + } + if (baa) + sb->on_sanity_fail(sb, baa); +} + +/* + * If two blame entries that are next to each other came from + * contiguous lines in the same origin (i.e. <commit, path> pair), + * merge them together. + */ +void blame_coalesce(struct blame_scoreboard *sb) +{ + struct blame_entry *ent, *next; + + for (ent = sb->ent; ent && (next = ent->next); ent = next) { + if (ent->suspect == next->suspect && + ent->s_lno + ent->num_lines == next->s_lno) { + ent->num_lines += next->num_lines; + ent->next = next->next; + blame_origin_decref(next->suspect); + free(next); + ent->score = 0; + next = ent; /* again */ + } + } + + if (sb->debug) /* sanity */ + sanity_check_refcnt(sb); +} + +/* + * Merge the given sorted list of blames into a preexisting origin. + * If there were no previous blames to that commit, it is entered into + * the commit priority queue of the score board. + */ + +static void queue_blames(struct blame_scoreboard *sb, struct blame_origin *porigin, + struct blame_entry *sorted) +{ + if (porigin->suspects) + porigin->suspects = blame_merge(porigin->suspects, sorted); + else { + struct blame_origin *o; + for (o = porigin->commit->util; o; o = o->next) { + if (o->suspects) { + porigin->suspects = sorted; + return; + } + } + porigin->suspects = sorted; + prio_queue_put(&sb->commits, porigin->commit); + } +} + +/* + * Fill the blob_sha1 field of an origin if it hasn't, so that later + * call to fill_origin_blob() can use it to locate the data. blob_sha1 + * for an origin is also used to pass the blame for the entire file to + * the parent to detect the case where a child's blob is identical to + * that of its parent's. + * + * This also fills origin->mode for corresponding tree path. + */ +static int fill_blob_sha1_and_mode(struct blame_origin *origin) +{ + if (!is_null_oid(&origin->blob_oid)) + return 0; + if (get_tree_entry(origin->commit->object.oid.hash, + origin->path, + origin->blob_oid.hash, &origin->mode)) + goto error_out; + if (sha1_object_info(origin->blob_oid.hash, NULL) != OBJ_BLOB) + goto error_out; + return 0; + error_out: + oidclr(&origin->blob_oid); + origin->mode = S_IFINVALID; + return -1; +} + +/* + * We have an origin -- check if the same path exists in the + * parent and return an origin structure to represent it. + */ +static struct blame_origin *find_origin(struct commit *parent, + struct blame_origin *origin) +{ + struct blame_origin *porigin; + struct diff_options diff_opts; + const char *paths[2]; + + /* First check any existing origins */ + for (porigin = parent->util; porigin; porigin = porigin->next) + if (!strcmp(porigin->path, origin->path)) { + /* + * The same path between origin and its parent + * without renaming -- the most common case. + */ + return blame_origin_incref (porigin); + } + + /* See if the origin->path is different between parent + * and origin first. Most of the time they are the + * same and diff-tree is fairly efficient about this. + */ + diff_setup(&diff_opts); + DIFF_OPT_SET(&diff_opts, RECURSIVE); + diff_opts.detect_rename = 0; + diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; + paths[0] = origin->path; + paths[1] = NULL; + + parse_pathspec(&diff_opts.pathspec, + PATHSPEC_ALL_MAGIC & ~PATHSPEC_LITERAL, + PATHSPEC_LITERAL_PATH, "", paths); + diff_setup_done(&diff_opts); + + if (is_null_oid(&origin->commit->object.oid)) + do_diff_cache(&parent->tree->object.oid, &diff_opts); + else + diff_tree_sha1(parent->tree->object.oid.hash, + origin->commit->tree->object.oid.hash, + "", &diff_opts); + diffcore_std(&diff_opts); + + if (!diff_queued_diff.nr) { + /* The path is the same as parent */ + porigin = get_origin(parent, origin->path); + oidcpy(&porigin->blob_oid, &origin->blob_oid); + porigin->mode = origin->mode; + } else { + /* + * Since origin->path is a pathspec, if the parent + * commit had it as a directory, we will see a whole + * bunch of deletion of files in the directory that we + * do not care about. + */ + int i; + struct diff_filepair *p = NULL; + for (i = 0; i < diff_queued_diff.nr; i++) { + const char *name; + p = diff_queued_diff.queue[i]; + name = p->one->path ? p->one->path : p->two->path; + if (!strcmp(name, origin->path)) + break; + } + if (!p) + die("internal error in blame::find_origin"); + switch (p->status) { + default: + die("internal error in blame::find_origin (%c)", + p->status); + case 'M': + porigin = get_origin(parent, origin->path); + oidcpy(&porigin->blob_oid, &p->one->oid); + porigin->mode = p->one->mode; + break; + case 'A': + case 'T': + /* Did not exist in parent, or type changed */ + break; + } + } + diff_flush(&diff_opts); + clear_pathspec(&diff_opts.pathspec); + return porigin; +} + +/* + * We have an origin -- find the path that corresponds to it in its + * parent and return an origin structure to represent it. + */ +static struct blame_origin *find_rename(struct commit *parent, + struct blame_origin *origin) +{ + struct blame_origin *porigin = NULL; + struct diff_options diff_opts; + int i; + + diff_setup(&diff_opts); + DIFF_OPT_SET(&diff_opts, RECURSIVE); + diff_opts.detect_rename = DIFF_DETECT_RENAME; + diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; + diff_opts.single_follow = origin->path; + diff_setup_done(&diff_opts); + + if (is_null_oid(&origin->commit->object.oid)) + do_diff_cache(&parent->tree->object.oid, &diff_opts); + else + diff_tree_sha1(parent->tree->object.oid.hash, + origin->commit->tree->object.oid.hash, + "", &diff_opts); + diffcore_std(&diff_opts); + + for (i = 0; i < diff_queued_diff.nr; i++) { + struct diff_filepair *p = diff_queued_diff.queue[i]; + if ((p->status == 'R' || p->status == 'C') && + !strcmp(p->two->path, origin->path)) { + porigin = get_origin(parent, p->one->path); + oidcpy(&porigin->blob_oid, &p->one->oid); + porigin->mode = p->one->mode; + break; + } + } + diff_flush(&diff_opts); + clear_pathspec(&diff_opts.pathspec); + return porigin; +} + +/* + * Append a new blame entry to a given output queue. + */ +static void add_blame_entry(struct blame_entry ***queue, + const struct blame_entry *src) +{ + struct blame_entry *e = xmalloc(sizeof(*e)); + memcpy(e, src, sizeof(*e)); + blame_origin_incref(e->suspect); + + e->next = **queue; + **queue = e; + *queue = &e->next; +} + +/* + * src typically is on-stack; we want to copy the information in it to + * a malloced blame_entry that gets added to the given queue. The + * origin of dst loses a refcnt. + */ +static void dup_entry(struct blame_entry ***queue, + struct blame_entry *dst, struct blame_entry *src) +{ + blame_origin_incref(src->suspect); + blame_origin_decref(dst->suspect); + memcpy(dst, src, sizeof(*src)); + dst->next = **queue; + **queue = dst; + *queue = &dst->next; +} + +const char *blame_nth_line(struct blame_scoreboard *sb, long lno) +{ + return sb->final_buf + sb->lineno[lno]; +} + +/* + * It is known that lines between tlno to same came from parent, and e + * has an overlap with that range. it also is known that parent's + * line plno corresponds to e's line tlno. + * + * <---- e -----> + * <------> + * <------------> + * <------------> + * <------------------> + * + * Split e into potentially three parts; before this chunk, the chunk + * to be blamed for the parent, and after that portion. + */ +static void split_overlap(struct blame_entry *split, + struct blame_entry *e, + int tlno, int plno, int same, + struct blame_origin *parent) +{ + int chunk_end_lno; + memset(split, 0, sizeof(struct blame_entry [3])); + + if (e->s_lno < tlno) { + /* there is a pre-chunk part not blamed on parent */ + split[0].suspect = blame_origin_incref(e->suspect); + split[0].lno = e->lno; + split[0].s_lno = e->s_lno; + split[0].num_lines = tlno - e->s_lno; + split[1].lno = e->lno + tlno - e->s_lno; + split[1].s_lno = plno; + } + else { + split[1].lno = e->lno; + split[1].s_lno = plno + (e->s_lno - tlno); + } + + if (same < e->s_lno + e->num_lines) { + /* there is a post-chunk part not blamed on parent */ + split[2].suspect = blame_origin_incref(e->suspect); + split[2].lno = e->lno + (same - e->s_lno); + split[2].s_lno = e->s_lno + (same - e->s_lno); + split[2].num_lines = e->s_lno + e->num_lines - same; + chunk_end_lno = split[2].lno; + } + else + chunk_end_lno = e->lno + e->num_lines; + split[1].num_lines = chunk_end_lno - split[1].lno; + + /* + * if it turns out there is nothing to blame the parent for, + * forget about the splitting. !split[1].suspect signals this. + */ + if (split[1].num_lines < 1) + return; + split[1].suspect = blame_origin_incref(parent); +} + +/* + * split_overlap() divided an existing blame e into up to three parts + * in split. Any assigned blame is moved to queue to + * reflect the split. + */ +static void split_blame(struct blame_entry ***blamed, + struct blame_entry ***unblamed, + struct blame_entry *split, + struct blame_entry *e) +{ + if (split[0].suspect && split[2].suspect) { + /* The first part (reuse storage for the existing entry e) */ + dup_entry(unblamed, e, &split[0]); + + /* The last part -- me */ + add_blame_entry(unblamed, &split[2]); + + /* ... and the middle part -- parent */ + add_blame_entry(blamed, &split[1]); + } + else if (!split[0].suspect && !split[2].suspect) + /* + * The parent covers the entire area; reuse storage for + * e and replace it with the parent. + */ + dup_entry(blamed, e, &split[1]); + else if (split[0].suspect) { + /* me and then parent */ + dup_entry(unblamed, e, &split[0]); + add_blame_entry(blamed, &split[1]); + } + else { + /* parent and then me */ + dup_entry(blamed, e, &split[1]); + add_blame_entry(unblamed, &split[2]); + } +} + +/* + * After splitting the blame, the origins used by the + * on-stack blame_entry should lose one refcnt each. + */ +static void decref_split(struct blame_entry *split) +{ + int i; + + for (i = 0; i < 3; i++) + blame_origin_decref(split[i].suspect); +} + +/* + * reverse_blame reverses the list given in head, appending tail. + * That allows us to build lists in reverse order, then reverse them + * afterwards. This can be faster than building the list in proper + * order right away. The reason is that building in proper order + * requires writing a link in the _previous_ element, while building + * in reverse order just requires placing the list head into the + * _current_ element. + */ + +static struct blame_entry *reverse_blame(struct blame_entry *head, + struct blame_entry *tail) +{ + while (head) { + struct blame_entry *next = head->next; + head->next = tail; + tail = head; + head = next; + } + return tail; +} + +/* + * Process one hunk from the patch between the current suspect for + * blame_entry e and its parent. This first blames any unfinished + * entries before the chunk (which is where target and parent start + * differing) on the parent, and then splits blame entries at the + * start and at the end of the difference region. Since use of -M and + * -C options may lead to overlapping/duplicate source line number + * ranges, all we can rely on from sorting/merging is the order of the + * first suspect line number. + */ +static void blame_chunk(struct blame_entry ***dstq, struct blame_entry ***srcq, + int tlno, int offset, int same, + struct blame_origin *parent) +{ + struct blame_entry *e = **srcq; + struct blame_entry *samep = NULL, *diffp = NULL; + + while (e && e->s_lno < tlno) { + struct blame_entry *next = e->next; + /* + * current record starts before differing portion. If + * it reaches into it, we need to split it up and + * examine the second part separately. + */ + if (e->s_lno + e->num_lines > tlno) { + /* Move second half to a new record */ + int len = tlno - e->s_lno; + struct blame_entry *n = xcalloc(1, sizeof (struct blame_entry)); + n->suspect = e->suspect; + n->lno = e->lno + len; + n->s_lno = e->s_lno + len; + n->num_lines = e->num_lines - len; + e->num_lines = len; + e->score = 0; + /* Push new record to diffp */ + n->next = diffp; + diffp = n; + } else + blame_origin_decref(e->suspect); + /* Pass blame for everything before the differing + * chunk to the parent */ + e->suspect = blame_origin_incref(parent); + e->s_lno += offset; + e->next = samep; + samep = e; + e = next; + } + /* + * As we don't know how much of a common stretch after this + * diff will occur, the currently blamed parts are all that we + * can assign to the parent for now. + */ + + if (samep) { + **dstq = reverse_blame(samep, **dstq); + *dstq = &samep->next; + } + /* + * Prepend the split off portions: everything after e starts + * after the blameable portion. + */ + e = reverse_blame(diffp, e); + + /* + * Now retain records on the target while parts are different + * from the parent. + */ + samep = NULL; + diffp = NULL; + while (e && e->s_lno < same) { + struct blame_entry *next = e->next; + + /* + * If current record extends into sameness, need to split. + */ + if (e->s_lno + e->num_lines > same) { + /* + * Move second half to a new record to be + * processed by later chunks + */ + int len = same - e->s_lno; + struct blame_entry *n = xcalloc(1, sizeof (struct blame_entry)); + n->suspect = blame_origin_incref(e->suspect); + n->lno = e->lno + len; + n->s_lno = e->s_lno + len; + n->num_lines = e->num_lines - len; + e->num_lines = len; + e->score = 0; + /* Push new record to samep */ + n->next = samep; + samep = n; + } + e->next = diffp; + diffp = e; + e = next; + } + **srcq = reverse_blame(diffp, reverse_blame(samep, e)); + /* Move across elements that are in the unblamable portion */ + if (diffp) + *srcq = &diffp->next; +} + +struct blame_chunk_cb_data { + struct blame_origin *parent; + long offset; + struct blame_entry **dstq; + struct blame_entry **srcq; +}; + +/* diff chunks are from parent to target */ +static int blame_chunk_cb(long start_a, long count_a, + long start_b, long count_b, void *data) +{ + struct blame_chunk_cb_data *d = data; + if (start_a - start_b != d->offset) + die("internal error in blame::blame_chunk_cb"); + blame_chunk(&d->dstq, &d->srcq, start_b, start_a - start_b, + start_b + count_b, d->parent); + d->offset = start_a + count_a - (start_b + count_b); + return 0; +} + +/* + * We are looking at the origin 'target' and aiming to pass blame + * for the lines it is suspected to its parent. Run diff to find + * which lines came from parent and pass blame for them. + */ +static void pass_blame_to_parent(struct blame_scoreboard *sb, + struct blame_origin *target, + struct blame_origin *parent) +{ + mmfile_t file_p, file_o; + struct blame_chunk_cb_data d; + struct blame_entry *newdest = NULL; + + if (!target->suspects) + return; /* nothing remains for this target */ + + d.parent = parent; + d.offset = 0; + d.dstq = &newdest; d.srcq = &target->suspects; + + fill_origin_blob(&sb->revs->diffopt, parent, &file_p, &sb->num_read_blob); + fill_origin_blob(&sb->revs->diffopt, target, &file_o, &sb->num_read_blob); + sb->num_get_patch++; + + if (diff_hunks(&file_p, &file_o, blame_chunk_cb, &d, sb->xdl_opts)) + die("unable to generate diff (%s -> %s)", + oid_to_hex(&parent->commit->object.oid), + oid_to_hex(&target->commit->object.oid)); + /* The rest are the same as the parent */ + blame_chunk(&d.dstq, &d.srcq, INT_MAX, d.offset, INT_MAX, parent); + *d.dstq = NULL; + queue_blames(sb, parent, newdest); + + return; +} + +/* + * The lines in blame_entry after splitting blames many times can become + * very small and trivial, and at some point it becomes pointless to + * blame the parents. E.g. "\t\t}\n\t}\n\n" appears everywhere in any + * ordinary C program, and it is not worth to say it was copied from + * totally unrelated file in the parent. + * + * Compute how trivial the lines in the blame_entry are. + */ +unsigned blame_entry_score(struct blame_scoreboard *sb, struct blame_entry *e) +{ + unsigned score; + const char *cp, *ep; + + if (e->score) + return e->score; + + score = 1; + cp = blame_nth_line(sb, e->lno); + ep = blame_nth_line(sb, e->lno + e->num_lines); + while (cp < ep) { + unsigned ch = *((unsigned char *)cp); + if (isalnum(ch)) + score++; + cp++; + } + e->score = score; + return score; +} + +/* + * best_so_far[] and this[] are both a split of an existing blame_entry + * that passes blame to the parent. Maintain best_so_far the best split + * so far, by comparing this and best_so_far and copying this into + * bst_so_far as needed. + */ +static void copy_split_if_better(struct blame_scoreboard *sb, + struct blame_entry *best_so_far, + struct blame_entry *this) +{ + int i; + + if (!this[1].suspect) + return; + if (best_so_far[1].suspect) { + if (blame_entry_score(sb, &this[1]) < blame_entry_score(sb, &best_so_far[1])) + return; + } + + for (i = 0; i < 3; i++) + blame_origin_incref(this[i].suspect); + decref_split(best_so_far); + memcpy(best_so_far, this, sizeof(struct blame_entry [3])); +} + +/* + * We are looking at a part of the final image represented by + * ent (tlno and same are offset by ent->s_lno). + * tlno is where we are looking at in the final image. + * up to (but not including) same match preimage. + * plno is where we are looking at in the preimage. + * + * <-------------- final image ----------------------> + * <------ent------> + * ^tlno ^same + * <---------preimage-----> + * ^plno + * + * All line numbers are 0-based. + */ +static void handle_split(struct blame_scoreboard *sb, + struct blame_entry *ent, + int tlno, int plno, int same, + struct blame_origin *parent, + struct blame_entry *split) +{ + if (ent->num_lines <= tlno) + return; + if (tlno < same) { + struct blame_entry this[3]; + tlno += ent->s_lno; + same += ent->s_lno; + split_overlap(this, ent, tlno, plno, same, parent); + copy_split_if_better(sb, split, this); + decref_split(this); + } +} + +struct handle_split_cb_data { + struct blame_scoreboard *sb; + struct blame_entry *ent; + struct blame_origin *parent; + struct blame_entry *split; + long plno; + long tlno; +}; + +static int handle_split_cb(long start_a, long count_a, + long start_b, long count_b, void *data) +{ + struct handle_split_cb_data *d = data; + handle_split(d->sb, d->ent, d->tlno, d->plno, start_b, d->parent, + d->split); + d->plno = start_a + count_a; + d->tlno = start_b + count_b; + return 0; +} + +/* + * Find the lines from parent that are the same as ent so that + * we can pass blames to it. file_p has the blob contents for + * the parent. + */ +static void find_copy_in_blob(struct blame_scoreboard *sb, + struct blame_entry *ent, + struct blame_origin *parent, + struct blame_entry *split, + mmfile_t *file_p) +{ + const char *cp; + mmfile_t file_o; + struct handle_split_cb_data d; + + memset(&d, 0, sizeof(d)); + d.sb = sb; d.ent = ent; d.parent = parent; d.split = split; + /* + * Prepare mmfile that contains only the lines in ent. + */ + cp = blame_nth_line(sb, ent->lno); + file_o.ptr = (char *) cp; + file_o.size = blame_nth_line(sb, ent->lno + ent->num_lines) - cp; + + /* + * file_o is a part of final image we are annotating. + * file_p partially may match that image. + */ + memset(split, 0, sizeof(struct blame_entry [3])); + if (diff_hunks(file_p, &file_o, handle_split_cb, &d, sb->xdl_opts)) + die("unable to generate diff (%s)", + oid_to_hex(&parent->commit->object.oid)); + /* remainder, if any, all match the preimage */ + handle_split(sb, ent, d.tlno, d.plno, ent->num_lines, parent, split); +} + +/* Move all blame entries from list *source that have a score smaller + * than score_min to the front of list *small. + * Returns a pointer to the link pointing to the old head of the small list. + */ + +static struct blame_entry **filter_small(struct blame_scoreboard *sb, + struct blame_entry **small, + struct blame_entry **source, + unsigned score_min) +{ + struct blame_entry *p = *source; + struct blame_entry *oldsmall = *small; + while (p) { + if (blame_entry_score(sb, p) <= score_min) { + *small = p; + small = &p->next; + p = *small; + } else { + *source = p; + source = &p->next; + p = *source; + } + } + *small = oldsmall; + *source = NULL; + return small; +} + +/* + * See if lines currently target is suspected for can be attributed to + * parent. + */ +static void find_move_in_parent(struct blame_scoreboard *sb, + struct blame_entry ***blamed, + struct blame_entry **toosmall, + struct blame_origin *target, + struct blame_origin *parent) +{ + struct blame_entry *e, split[3]; + struct blame_entry *unblamed = target->suspects; + struct blame_entry *leftover = NULL; + mmfile_t file_p; + + if (!unblamed) + return; /* nothing remains for this target */ + + fill_origin_blob(&sb->revs->diffopt, parent, &file_p, &sb->num_read_blob); + if (!file_p.ptr) + return; + + /* At each iteration, unblamed has a NULL-terminated list of + * entries that have not yet been tested for blame. leftover + * contains the reversed list of entries that have been tested + * without being assignable to the parent. + */ + do { + struct blame_entry **unblamedtail = &unblamed; + struct blame_entry *next; + for (e = unblamed; e; e = next) { + next = e->next; + find_copy_in_blob(sb, e, parent, split, &file_p); + if (split[1].suspect && + sb->move_score < blame_entry_score(sb, &split[1])) { + split_blame(blamed, &unblamedtail, split, e); + } else { + e->next = leftover; + leftover = e; + } + decref_split(split); + } + *unblamedtail = NULL; + toosmall = filter_small(sb, toosmall, &unblamed, sb->move_score); + } while (unblamed); + target->suspects = reverse_blame(leftover, NULL); +} + +struct blame_list { + struct blame_entry *ent; + struct blame_entry split[3]; +}; + +/* + * Count the number of entries the target is suspected for, + * and prepare a list of entry and the best split. + */ +static struct blame_list *setup_blame_list(struct blame_entry *unblamed, + int *num_ents_p) +{ + struct blame_entry *e; + int num_ents, i; + struct blame_list *blame_list = NULL; + + for (e = unblamed, num_ents = 0; e; e = e->next) + num_ents++; + if (num_ents) { + blame_list = xcalloc(num_ents, sizeof(struct blame_list)); + for (e = unblamed, i = 0; e; e = e->next) + blame_list[i++].ent = e; + } + *num_ents_p = num_ents; + return blame_list; +} + +/* + * For lines target is suspected for, see if we can find code movement + * across file boundary from the parent commit. porigin is the path + * in the parent we already tried. + */ +static void find_copy_in_parent(struct blame_scoreboard *sb, + struct blame_entry ***blamed, + struct blame_entry **toosmall, + struct blame_origin *target, + struct commit *parent, + struct blame_origin *porigin, + int opt) +{ + struct diff_options diff_opts; + int i, j; + struct blame_list *blame_list; + int num_ents; + struct blame_entry *unblamed = target->suspects; + struct blame_entry *leftover = NULL; + + if (!unblamed) + return; /* nothing remains for this target */ + + diff_setup(&diff_opts); + DIFF_OPT_SET(&diff_opts, RECURSIVE); + diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; + + diff_setup_done(&diff_opts); + + /* Try "find copies harder" on new path if requested; + * we do not want to use diffcore_rename() actually to + * match things up; find_copies_harder is set only to + * force diff_tree_sha1() to feed all filepairs to diff_queue, + * and this code needs to be after diff_setup_done(), which + * usually makes find-copies-harder imply copy detection. + */ + if ((opt & PICKAXE_BLAME_COPY_HARDEST) + || ((opt & PICKAXE_BLAME_COPY_HARDER) + && (!porigin || strcmp(target->path, porigin->path)))) + DIFF_OPT_SET(&diff_opts, FIND_COPIES_HARDER); + + if (is_null_oid(&target->commit->object.oid)) + do_diff_cache(&parent->tree->object.oid, &diff_opts); + else + diff_tree_sha1(parent->tree->object.oid.hash, + target->commit->tree->object.oid.hash, + "", &diff_opts); + + if (!DIFF_OPT_TST(&diff_opts, FIND_COPIES_HARDER)) + diffcore_std(&diff_opts); + + do { + struct blame_entry **unblamedtail = &unblamed; + blame_list = setup_blame_list(unblamed, &num_ents); + + for (i = 0; i < diff_queued_diff.nr; i++) { + struct diff_filepair *p = diff_queued_diff.queue[i]; + struct blame_origin *norigin; + mmfile_t file_p; + struct blame_entry this[3]; + + if (!DIFF_FILE_VALID(p->one)) + continue; /* does not exist in parent */ + if (S_ISGITLINK(p->one->mode)) + continue; /* ignore git links */ + if (porigin && !strcmp(p->one->path, porigin->path)) + /* find_move already dealt with this path */ + continue; + + norigin = get_origin(parent, p->one->path); + oidcpy(&norigin->blob_oid, &p->one->oid); + norigin->mode = p->one->mode; + fill_origin_blob(&sb->revs->diffopt, norigin, &file_p, &sb->num_read_blob); + if (!file_p.ptr) + continue; + + for (j = 0; j < num_ents; j++) { + find_copy_in_blob(sb, blame_list[j].ent, + norigin, this, &file_p); + copy_split_if_better(sb, blame_list[j].split, + this); + decref_split(this); + } + blame_origin_decref(norigin); + } + + for (j = 0; j < num_ents; j++) { + struct blame_entry *split = blame_list[j].split; + if (split[1].suspect && + sb->copy_score < blame_entry_score(sb, &split[1])) { + split_blame(blamed, &unblamedtail, split, + blame_list[j].ent); + } else { + blame_list[j].ent->next = leftover; + leftover = blame_list[j].ent; + } + decref_split(split); + } + free(blame_list); + *unblamedtail = NULL; + toosmall = filter_small(sb, toosmall, &unblamed, sb->copy_score); + } while (unblamed); + target->suspects = reverse_blame(leftover, NULL); + diff_flush(&diff_opts); + clear_pathspec(&diff_opts.pathspec); +} + +/* + * The blobs of origin and porigin exactly match, so everything + * origin is suspected for can be blamed on the parent. + */ +static void pass_whole_blame(struct blame_scoreboard *sb, + struct blame_origin *origin, struct blame_origin *porigin) +{ + struct blame_entry *e, *suspects; + + if (!porigin->file.ptr && origin->file.ptr) { + /* Steal its file */ + porigin->file = origin->file; + origin->file.ptr = NULL; + } + suspects = origin->suspects; + origin->suspects = NULL; + for (e = suspects; e; e = e->next) { + blame_origin_incref(porigin); + blame_origin_decref(e->suspect); + e->suspect = porigin; + } + queue_blames(sb, porigin, suspects); +} + +/* + * We pass blame from the current commit to its parents. We keep saying + * "parent" (and "porigin"), but what we mean is to find scapegoat to + * exonerate ourselves. + */ +static struct commit_list *first_scapegoat(struct rev_info *revs, struct commit *commit, + int reverse) +{ + if (!reverse) { + if (revs->first_parent_only && + commit->parents && + commit->parents->next) { + free_commit_list(commit->parents->next); + commit->parents->next = NULL; + } + return commit->parents; + } + return lookup_decoration(&revs->children, &commit->object); +} + +static int num_scapegoats(struct rev_info *revs, struct commit *commit, int reverse) +{ + struct commit_list *l = first_scapegoat(revs, commit, reverse); + return commit_list_count(l); +} + +/* Distribute collected unsorted blames to the respected sorted lists + * in the various origins. + */ +static void distribute_blame(struct blame_scoreboard *sb, struct blame_entry *blamed) +{ + blamed = llist_mergesort(blamed, get_next_blame, set_next_blame, + compare_blame_suspect); + while (blamed) + { + struct blame_origin *porigin = blamed->suspect; + struct blame_entry *suspects = NULL; + do { + struct blame_entry *next = blamed->next; + blamed->next = suspects; + suspects = blamed; + blamed = next; + } while (blamed && blamed->suspect == porigin); + suspects = reverse_blame(suspects, NULL); + queue_blames(sb, porigin, suspects); + } +} + +#define MAXSG 16 + +static void pass_blame(struct blame_scoreboard *sb, struct blame_origin *origin, int opt) +{ + struct rev_info *revs = sb->revs; + int i, pass, num_sg; + struct commit *commit = origin->commit; + struct commit_list *sg; + struct blame_origin *sg_buf[MAXSG]; + struct blame_origin *porigin, **sg_origin = sg_buf; + struct blame_entry *toosmall = NULL; + struct blame_entry *blames, **blametail = &blames; + + num_sg = num_scapegoats(revs, commit, sb->reverse); + if (!num_sg) + goto finish; + else if (num_sg < ARRAY_SIZE(sg_buf)) + memset(sg_buf, 0, sizeof(sg_buf)); + else + sg_origin = xcalloc(num_sg, sizeof(*sg_origin)); + + /* + * The first pass looks for unrenamed path to optimize for + * common cases, then we look for renames in the second pass. + */ + for (pass = 0; pass < 2 - sb->no_whole_file_rename; pass++) { + struct blame_origin *(*find)(struct commit *, struct blame_origin *); + find = pass ? find_rename : find_origin; + + for (i = 0, sg = first_scapegoat(revs, commit, sb->reverse); + i < num_sg && sg; + sg = sg->next, i++) { + struct commit *p = sg->item; + int j, same; + + if (sg_origin[i]) + continue; + if (parse_commit(p)) + continue; + porigin = find(p, origin); + if (!porigin) + continue; + if (!oidcmp(&porigin->blob_oid, &origin->blob_oid)) { + pass_whole_blame(sb, origin, porigin); + blame_origin_decref(porigin); + goto finish; + } + for (j = same = 0; j < i; j++) + if (sg_origin[j] && + !oidcmp(&sg_origin[j]->blob_oid, &porigin->blob_oid)) { + same = 1; + break; + } + if (!same) + sg_origin[i] = porigin; + else + blame_origin_decref(porigin); + } + } + + sb->num_commits++; + for (i = 0, sg = first_scapegoat(revs, commit, sb->reverse); + i < num_sg && sg; + sg = sg->next, i++) { + struct blame_origin *porigin = sg_origin[i]; + if (!porigin) + continue; + if (!origin->previous) { + blame_origin_incref(porigin); + origin->previous = porigin; + } + pass_blame_to_parent(sb, origin, porigin); + if (!origin->suspects) + goto finish; + } + + /* + * Optionally find moves in parents' files. + */ + if (opt & PICKAXE_BLAME_MOVE) { + filter_small(sb, &toosmall, &origin->suspects, sb->move_score); + if (origin->suspects) { + for (i = 0, sg = first_scapegoat(revs, commit, sb->reverse); + i < num_sg && sg; + sg = sg->next, i++) { + struct blame_origin *porigin = sg_origin[i]; + if (!porigin) + continue; + find_move_in_parent(sb, &blametail, &toosmall, origin, porigin); + if (!origin->suspects) + break; + } + } + } + + /* + * Optionally find copies from parents' files. + */ + if (opt & PICKAXE_BLAME_COPY) { + if (sb->copy_score > sb->move_score) + filter_small(sb, &toosmall, &origin->suspects, sb->copy_score); + else if (sb->copy_score < sb->move_score) { + origin->suspects = blame_merge(origin->suspects, toosmall); + toosmall = NULL; + filter_small(sb, &toosmall, &origin->suspects, sb->copy_score); + } + if (!origin->suspects) + goto finish; + + for (i = 0, sg = first_scapegoat(revs, commit, sb->reverse); + i < num_sg && sg; + sg = sg->next, i++) { + struct blame_origin *porigin = sg_origin[i]; + find_copy_in_parent(sb, &blametail, &toosmall, + origin, sg->item, porigin, opt); + if (!origin->suspects) + goto finish; + } + } + +finish: + *blametail = NULL; + distribute_blame(sb, blames); + /* + * prepend toosmall to origin->suspects + * + * There is no point in sorting: this ends up on a big + * unsorted list in the caller anyway. + */ + if (toosmall) { + struct blame_entry **tail = &toosmall; + while (*tail) + tail = &(*tail)->next; + *tail = origin->suspects; + origin->suspects = toosmall; + } + for (i = 0; i < num_sg; i++) { + if (sg_origin[i]) { + drop_origin_blob(sg_origin[i]); + blame_origin_decref(sg_origin[i]); + } + } + drop_origin_blob(origin); + if (sg_buf != sg_origin) + free(sg_origin); +} + +/* + * The main loop -- while we have blobs with lines whose true origin + * is still unknown, pick one blob, and allow its lines to pass blames + * to its parents. */ +void assign_blame(struct blame_scoreboard *sb, int opt) +{ + struct rev_info *revs = sb->revs; + struct commit *commit = prio_queue_get(&sb->commits); + + while (commit) { + struct blame_entry *ent; + struct blame_origin *suspect = commit->util; + + /* find one suspect to break down */ + while (suspect && !suspect->suspects) + suspect = suspect->next; + + if (!suspect) { + commit = prio_queue_get(&sb->commits); + continue; + } + + assert(commit == suspect->commit); + + /* + * We will use this suspect later in the loop, + * so hold onto it in the meantime. + */ + blame_origin_incref(suspect); + parse_commit(commit); + if (sb->reverse || + (!(commit->object.flags & UNINTERESTING) && + !(revs->max_age != -1 && commit->date < revs->max_age))) + pass_blame(sb, suspect, opt); + else { + commit->object.flags |= UNINTERESTING; + if (commit->object.parsed) + mark_parents_uninteresting(commit); + } + /* treat root commit as boundary */ + if (!commit->parents && !sb->show_root) + commit->object.flags |= UNINTERESTING; + + /* Take responsibility for the remaining entries */ + ent = suspect->suspects; + if (ent) { + suspect->guilty = 1; + for (;;) { + struct blame_entry *next = ent->next; + if (sb->found_guilty_entry) + sb->found_guilty_entry(ent, sb->found_guilty_entry_data); + if (next) { + ent = next; + continue; + } + ent->next = sb->ent; + sb->ent = suspect->suspects; + suspect->suspects = NULL; + break; + } + } + blame_origin_decref(suspect); + + if (sb->debug) /* sanity */ + sanity_check_refcnt(sb); + } +} + +static const char *get_next_line(const char *start, const char *end) +{ + const char *nl = memchr(start, '\n', end - start); + return nl ? nl + 1 : end; +} + +/* + * To allow quick access to the contents of nth line in the + * final image, prepare an index in the scoreboard. + */ +static int prepare_lines(struct blame_scoreboard *sb) +{ + const char *buf = sb->final_buf; + unsigned long len = sb->final_buf_size; + const char *end = buf + len; + const char *p; + int *lineno; + int num = 0; + + for (p = buf; p < end; p = get_next_line(p, end)) + num++; + + ALLOC_ARRAY(sb->lineno, num + 1); + lineno = sb->lineno; + + for (p = buf; p < end; p = get_next_line(p, end)) + *lineno++ = p - buf; + + *lineno = len; + + sb->num_lines = num; + return sb->num_lines; +} + +static struct commit *find_single_final(struct rev_info *revs, + const char **name_p) +{ + int i; + struct commit *found = NULL; + const char *name = NULL; + + for (i = 0; i < revs->pending.nr; i++) { + struct object *obj = revs->pending.objects[i].item; + if (obj->flags & UNINTERESTING) + continue; + obj = deref_tag(obj, NULL, 0); + if (obj->type != OBJ_COMMIT) + die("Non commit %s?", revs->pending.objects[i].name); + if (found) + die("More than one commit to dig from %s and %s?", + revs->pending.objects[i].name, name); + found = (struct commit *)obj; + name = revs->pending.objects[i].name; + } + if (name_p) + *name_p = name; + return found; +} + +static struct commit *dwim_reverse_initial(struct rev_info *revs, + const char **name_p) +{ + /* + * DWIM "git blame --reverse ONE -- PATH" as + * "git blame --reverse ONE..HEAD -- PATH" but only do so + * when it makes sense. + */ + struct object *obj; + struct commit *head_commit; + struct object_id head_oid; + + if (revs->pending.nr != 1) + return NULL; + + /* Is that sole rev a committish? */ + obj = revs->pending.objects[0].item; + obj = deref_tag(obj, NULL, 0); + if (obj->type != OBJ_COMMIT) + return NULL; + + /* Do we have HEAD? */ + if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL)) + return NULL; + head_commit = lookup_commit_reference_gently(&head_oid, 1); + if (!head_commit) + return NULL; + + /* Turn "ONE" into "ONE..HEAD" then */ + obj->flags |= UNINTERESTING; + add_pending_object(revs, &head_commit->object, "HEAD"); + + if (name_p) + *name_p = revs->pending.objects[0].name; + return (struct commit *)obj; +} + +static struct commit *find_single_initial(struct rev_info *revs, + const char **name_p) +{ + int i; + struct commit *found = NULL; + const char *name = NULL; + + /* + * There must be one and only one negative commit, and it must be + * the boundary. + */ + for (i = 0; i < revs->pending.nr; i++) { + struct object *obj = revs->pending.objects[i].item; + if (!(obj->flags & UNINTERESTING)) + continue; + obj = deref_tag(obj, NULL, 0); + if (obj->type != OBJ_COMMIT) + die("Non commit %s?", revs->pending.objects[i].name); + if (found) + die("More than one commit to dig up from, %s and %s?", + revs->pending.objects[i].name, name); + found = (struct commit *) obj; + name = revs->pending.objects[i].name; + } + + if (!name) + found = dwim_reverse_initial(revs, &name); + if (!name) + die("No commit to dig up from?"); + + if (name_p) + *name_p = name; + return found; +} + +void init_scoreboard(struct blame_scoreboard *sb) +{ + memset(sb, 0, sizeof(struct blame_scoreboard)); + sb->move_score = BLAME_DEFAULT_MOVE_SCORE; + sb->copy_score = BLAME_DEFAULT_COPY_SCORE; +} + +void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blame_origin **orig) +{ + const char *final_commit_name = NULL; + struct blame_origin *o; + struct commit *final_commit = NULL; + enum object_type type; + + if (sb->reverse && sb->contents_from) + die(_("--contents and --reverse do not blend well.")); + + if (!sb->reverse) { + sb->final = find_single_final(sb->revs, &final_commit_name); + sb->commits.compare = compare_commits_by_commit_date; + } else { + sb->final = find_single_initial(sb->revs, &final_commit_name); + sb->commits.compare = compare_commits_by_reverse_commit_date; + } + + if (sb->final && sb->contents_from) + die(_("cannot use --contents with final commit object name")); + + if (sb->reverse && sb->revs->first_parent_only) + sb->revs->children.name = NULL; + + if (!sb->final) { + /* + * "--not A B -- path" without anything positive; + * do not default to HEAD, but use the working tree + * or "--contents". + */ + setup_work_tree(); + sb->final = fake_working_tree_commit(&sb->revs->diffopt, + path, sb->contents_from); + add_pending_object(sb->revs, &(sb->final->object), ":"); + } + + if (sb->reverse && sb->revs->first_parent_only) { + final_commit = find_single_final(sb->revs, NULL); + if (!final_commit) + die(_("--reverse and --first-parent together require specified latest commit")); + } + + /* + * If we have bottom, this will mark the ancestors of the + * bottom commits we would reach while traversing as + * uninteresting. + */ + if (prepare_revision_walk(sb->revs)) + die(_("revision walk setup failed")); + + if (sb->reverse && sb->revs->first_parent_only) { + struct commit *c = final_commit; + + sb->revs->children.name = "children"; + while (c->parents && + oidcmp(&c->object.oid, &sb->final->object.oid)) { + struct commit_list *l = xcalloc(1, sizeof(*l)); + + l->item = c; + if (add_decoration(&sb->revs->children, + &c->parents->item->object, l)) + die("BUG: not unique item in first-parent chain"); + c = c->parents->item; + } + + if (oidcmp(&c->object.oid, &sb->final->object.oid)) + die(_("--reverse --first-parent together require range along first-parent chain")); + } + + if (is_null_oid(&sb->final->object.oid)) { + o = sb->final->util; + sb->final_buf = xmemdupz(o->file.ptr, o->file.size); + sb->final_buf_size = o->file.size; + } + else { + o = get_origin(sb->final, path); + if (fill_blob_sha1_and_mode(o)) + die(_("no such path %s in %s"), path, final_commit_name); + + if (DIFF_OPT_TST(&sb->revs->diffopt, ALLOW_TEXTCONV) && + textconv_object(path, o->mode, &o->blob_oid, 1, (char **) &sb->final_buf, + &sb->final_buf_size)) + ; + else + sb->final_buf = read_sha1_file(o->blob_oid.hash, &type, + &sb->final_buf_size); + + if (!sb->final_buf) + die(_("cannot read blob %s for path %s"), + oid_to_hex(&o->blob_oid), + path); + } + sb->num_read_blob++; + prepare_lines(sb); + + if (orig) + *orig = o; +} + + + +struct blame_entry *blame_entry_prepend(struct blame_entry *head, + long start, long end, + struct blame_origin *o) +{ + struct blame_entry *new_head = xcalloc(1, sizeof(struct blame_entry)); + new_head->lno = start; + new_head->num_lines = end - start; + new_head->suspect = o; + new_head->s_lno = start; + new_head->next = head; + blame_origin_incref(o); + return new_head; +}
diff --git a/blame.h b/blame.h new file mode 100644 index 0000000..a6c915c --- /dev/null +++ b/blame.h
@@ -0,0 +1,175 @@ +#ifndef BLAME_H +#define BLAME_H + +#include "cache.h" +#include "commit.h" +#include "xdiff-interface.h" +#include "revision.h" +#include "prio-queue.h" +#include "diff.h" + +#define PICKAXE_BLAME_MOVE 01 +#define PICKAXE_BLAME_COPY 02 +#define PICKAXE_BLAME_COPY_HARDER 04 +#define PICKAXE_BLAME_COPY_HARDEST 010 + +#define BLAME_DEFAULT_MOVE_SCORE 20 +#define BLAME_DEFAULT_COPY_SCORE 40 + +/* + * One blob in a commit that is being suspected + */ +struct blame_origin { + int refcnt; + /* Record preceding blame record for this blob */ + struct blame_origin *previous; + /* origins are put in a list linked via `next' hanging off the + * corresponding commit's util field in order to make finding + * them fast. The presence in this chain does not count + * towards the origin's reference count. It is tempting to + * let it count as long as the commit is pending examination, + * but even under circumstances where the commit will be + * present multiple times in the priority queue of unexamined + * commits, processing the first instance will not leave any + * work requiring the origin data for the second instance. An + * interspersed commit changing that would have to be + * preexisting with a different ancestry and with the same + * commit date in order to wedge itself between two instances + * of the same commit in the priority queue _and_ produce + * blame entries relevant for it. While we don't want to let + * us get tripped up by this case, it certainly does not seem + * worth optimizing for. + */ + struct blame_origin *next; + struct commit *commit; + /* `suspects' contains blame entries that may be attributed to + * this origin's commit or to parent commits. When a commit + * is being processed, all suspects will be moved, either by + * assigning them to an origin in a different commit, or by + * shipping them to the scoreboard's ent list because they + * cannot be attributed to a different commit. + */ + struct blame_entry *suspects; + mmfile_t file; + struct object_id blob_oid; + unsigned mode; + /* guilty gets set when shipping any suspects to the final + * blame list instead of other commits + */ + char guilty; + char path[FLEX_ARRAY]; +}; + +/* + * Each group of lines is described by a blame_entry; it can be split + * as we pass blame to the parents. They are arranged in linked lists + * kept as `suspects' of some unprocessed origin, or entered (when the + * blame origin has been finalized) into the scoreboard structure. + * While the scoreboard structure is only sorted at the end of + * processing (according to final image line number), the lists + * attached to an origin are sorted by the target line number. + */ +struct blame_entry { + struct blame_entry *next; + + /* the first line of this group in the final image; + * internally all line numbers are 0 based. + */ + int lno; + + /* how many lines this group has */ + int num_lines; + + /* the commit that introduced this group into the final image */ + struct blame_origin *suspect; + + /* the line number of the first line of this group in the + * suspect's file; internally all line numbers are 0 based. + */ + int s_lno; + + /* how significant this entry is -- cached to avoid + * scanning the lines over and over. + */ + unsigned score; +}; + +/* + * The current state of the blame assignment. + */ +struct blame_scoreboard { + /* the final commit (i.e. where we started digging from) */ + struct commit *final; + /* Priority queue for commits with unassigned blame records */ + struct prio_queue commits; + struct rev_info *revs; + const char *path; + + /* + * The contents in the final image. + * Used by many functions to obtain contents of the nth line, + * indexed with scoreboard.lineno[blame_entry.lno]. + */ + const char *final_buf; + unsigned long final_buf_size; + + /* linked list of blames */ + struct blame_entry *ent; + + /* look-up a line in the final buffer */ + int num_lines; + int *lineno; + + /* stats */ + int num_read_blob; + int num_get_patch; + int num_commits; + + /* + * blame for a blame_entry with score lower than these thresholds + * is not passed to the parent using move/copy logic. + */ + unsigned move_score; + unsigned copy_score; + + /* use this file's contents as the final image */ + const char *contents_from; + + /* flags */ + int reverse; + int show_root; + int xdl_opts; + int no_whole_file_rename; + int debug; + + /* callbacks */ + void(*on_sanity_fail)(struct blame_scoreboard *, int); + void(*found_guilty_entry)(struct blame_entry *, void *); + + void *found_guilty_entry_data; +}; + +/* + * Origin is refcounted and usually we keep the blob contents to be + * reused. + */ +static inline struct blame_origin *blame_origin_incref(struct blame_origin *o) +{ + if (o) + o->refcnt++; + return o; +} +extern void blame_origin_decref(struct blame_origin *o); + +extern void blame_coalesce(struct blame_scoreboard *sb); +extern void blame_sort_final(struct blame_scoreboard *sb); +extern unsigned blame_entry_score(struct blame_scoreboard *sb, struct blame_entry *e); +extern void assign_blame(struct blame_scoreboard *sb, int opt); +extern const char *blame_nth_line(struct blame_scoreboard *sb, long lno); + +extern void init_scoreboard(struct blame_scoreboard *sb); +extern void setup_scoreboard(struct blame_scoreboard *sb, const char *path, struct blame_origin **orig); + +extern struct blame_entry *blame_entry_prepend(struct blame_entry *head, long start, long end, struct blame_origin *o); + +#endif /* BLAME_H */
diff --git a/blob.c b/blob.c index 1fcb8e4..fa2ab4f 100644 --- a/blob.c +++ b/blob.c
@@ -3,11 +3,11 @@ const char *blob_type = "blob"; -struct blob *lookup_blob(const unsigned char *sha1) +struct blob *lookup_blob(const struct object_id *oid) { - struct object *obj = lookup_object(sha1); + struct object *obj = lookup_object(oid->hash); if (!obj) - return create_object(sha1, alloc_blob_node()); + return create_object(oid->hash, alloc_blob_node()); return object_as_type(obj, OBJ_BLOB, 0); }
diff --git a/blob.h b/blob.h index 59b394e..4460616 100644 --- a/blob.h +++ b/blob.h
@@ -9,7 +9,7 @@ struct blob { struct object object; }; -struct blob *lookup_blob(const unsigned char *sha1); +struct blob *lookup_blob(const struct object_id *oid); int parse_blob_buffer(struct blob *item, void *buffer, unsigned long size);
diff --git a/branch.c b/branch.c index bb9eb60..985316e 100644 --- a/branch.c +++ b/branch.c
@@ -191,9 +191,9 @@ int validate_new_branchname(const char *name, struct strbuf *ref, if (!attr_only) { const char *head; - unsigned char sha1[20]; + struct object_id oid; - head = resolve_ref_unsafe("HEAD", 0, sha1, NULL); + head = resolve_ref_unsafe("HEAD", 0, oid.hash, NULL); if (!is_bare_repository() && head && !strcmp(head, ref->buf)) die(_("Cannot force update the current branch.")); } @@ -233,7 +233,7 @@ void create_branch(const char *name, const char *start_name, int quiet, enum branch_track track) { struct commit *commit; - unsigned char sha1[20]; + struct object_id oid; char *real_ref; struct strbuf ref = STRBUF_INIT; int forcing = 0; @@ -253,7 +253,7 @@ void create_branch(const char *name, const char *start_name, } real_ref = NULL; - if (get_sha1(start_name, sha1)) { + if (get_oid(start_name, &oid)) { if (explicit_tracking) { if (advice_set_upstream_failure) { error(_(upstream_missing), start_name); @@ -265,7 +265,7 @@ void create_branch(const char *name, const char *start_name, die(_("Not a valid object name: '%s'."), start_name); } - switch (dwim_ref(start_name, strlen(start_name), sha1, &real_ref)) { + switch (dwim_ref(start_name, strlen(start_name), oid.hash, &real_ref)) { case 0: /* Not branching from any existing branch */ if (explicit_tracking) @@ -286,9 +286,9 @@ void create_branch(const char *name, const char *start_name, break; } - if ((commit = lookup_commit_reference(sha1)) == NULL) + if ((commit = lookup_commit_reference(&oid)) == NULL) die(_("Not a valid branch point: '%s'."), start_name); - hashcpy(sha1, commit->object.oid.hash); + oidcpy(&oid, &commit->object.oid); if (reflog) log_all_ref_updates = LOG_REFS_NORMAL; @@ -306,7 +306,7 @@ void create_branch(const char *name, const char *start_name, transaction = ref_transaction_begin(&err); if (!transaction || ref_transaction_update(transaction, ref.buf, - sha1, forcing ? NULL : null_sha1, + oid.hash, forcing ? NULL : null_sha1, 0, msg, &err) || ref_transaction_commit(transaction, &err)) die("%s", err.buf);
diff --git a/builtin.h b/builtin.h index 9e4a898..498ac80 100644 --- a/builtin.h +++ b/builtin.h
@@ -25,8 +25,6 @@ struct fmt_merge_msg_opts { extern int fmt_merge_msg(struct strbuf *in, struct strbuf *out, struct fmt_merge_msg_opts *); -extern int textconv_object(const char *path, unsigned mode, const struct object_id *oid, int oid_valid, char **buf, unsigned long *buf_size); - extern int is_builtin(const char *s); extern int cmd_add(int argc, const char **argv, const char *prefix);
diff --git a/builtin/add.c b/builtin/add.c index 9f53f02..d9a2491 100644 --- a/builtin/add.c +++ b/builtin/add.c
@@ -17,6 +17,7 @@ #include "revision.h" #include "bulk-checkin.h" #include "argv-array.h" +#include "submodule.h" static const char * const builtin_add_usage[] = { N_("git add [<options>] [--] <pathspec>..."), @@ -135,7 +136,7 @@ static char *prune_directory(struct dir_struct *dir, struct pathspec *pathspec, *dst++ = entry; } dir->nr = dst - dir->entries; - add_pathspec_matches_against_index(pathspec, seen); + add_pathspec_matches_against_index(pathspec, &the_index, seen); return seen; } @@ -379,16 +380,19 @@ int cmd_add(int argc, const char **argv, const char *prefix) if (read_cache() < 0) die(_("index file corrupt")); + die_in_unpopulated_submodule(&the_index, prefix); + /* * Check the "pathspec '%s' did not match any files" block * below before enabling new magic. */ parse_pathspec(&pathspec, 0, PATHSPEC_PREFER_FULL | - PATHSPEC_SYMLINK_LEADING_PATH | - PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE, + PATHSPEC_SYMLINK_LEADING_PATH, prefix, argv); + die_path_inside_submodule(&the_index, &pathspec); + if (add_new_files) { int baselen; @@ -400,7 +404,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) } /* This picks up the paths that are not tracked */ - baselen = fill_directory(&dir, &pathspec); + baselen = fill_directory(&dir, &the_index, &pathspec); if (pathspec.nr) seen = prune_directory(&dir, &pathspec, baselen); } @@ -414,7 +418,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) int i; if (!seen) - seen = find_pathspecs_matching_against_index(&pathspec); + seen = find_pathspecs_matching_against_index(&pathspec, &the_index); /* * file_exists() assumes exact match @@ -436,8 +440,9 @@ int cmd_add(int argc, const char **argv, const char *prefix) !file_exists(path))) { if (ignore_missing) { int dtype = DT_UNKNOWN; - if (is_excluded(&dir, path, &dtype)) - dir_add_ignored(&dir, path, pathspec.items[i].len); + if (is_excluded(&dir, &the_index, path, &dtype)) + dir_add_ignored(&dir, &the_index, + path, pathspec.items[i].len); } else die(_("pathspec '%s' did not match any files"), pathspec.items[i].original);
diff --git a/builtin/am.c b/builtin/am.c index 8e9ac11..5ee146b 100644 --- a/builtin/am.c +++ b/builtin/am.c
@@ -1145,7 +1145,7 @@ static int index_has_changes(struct strbuf *sb) DIFF_OPT_SET(&opt, EXIT_WITH_STATUS); if (!sb) DIFF_OPT_SET(&opt, QUICK); - do_diff_cache(head.hash, &opt); + do_diff_cache(&head, &opt); diffcore_std(&opt); for (i = 0; sb && i < diff_queued_diff.nr; i++) { if (i) @@ -1312,7 +1312,7 @@ static int parse_mail(struct am_state *state, const char *mail) } if (is_empty_file(am_path(state, "patch"))) { - printf_ln(_("Patch is empty. Was it split wrong?")); + printf_ln(_("Patch is empty.")); die_user_resolve(state); } @@ -1351,19 +1351,16 @@ static int get_mail_commit_oid(struct object_id *commit_id, const char *mail) struct strbuf sb = STRBUF_INIT; FILE *fp = xfopen(mail, "r"); const char *x; + int ret = 0; - if (strbuf_getline_lf(&sb, fp)) - return -1; - - if (!skip_prefix(sb.buf, "From ", &x)) - return -1; - - if (get_oid_hex(x, commit_id) < 0) - return -1; + if (strbuf_getline_lf(&sb, fp) || + !skip_prefix(sb.buf, "From ", &x) || + get_oid_hex(x, commit_id) < 0) + ret = -1; strbuf_release(&sb); fclose(fp); - return 0; + return ret; } /** @@ -1447,9 +1444,9 @@ static void write_index_patch(const struct am_state *state) FILE *fp; if (!get_sha1_tree("HEAD", head.hash)) - tree = lookup_tree(head.hash); + tree = lookup_tree(&head); else - tree = lookup_tree(EMPTY_TREE_SHA1_BIN); + tree = lookup_tree(&empty_tree_oid); fp = xfopen(am_path(state, "patch"), "w"); init_revisions(&rev_info, NULL); @@ -1482,7 +1479,7 @@ static int parse_mail_rebase(struct am_state *state, const char *mail) if (get_mail_commit_oid(&commit_oid, mail) < 0) die(_("could not parse %s"), mail); - commit = lookup_commit_or_die(commit_oid.hash, mail); + commit = lookup_commit_or_die(&commit_oid, mail); get_commit_info(state, commit); @@ -1612,7 +1609,7 @@ static int fall_back_threeway(const struct am_state *state, const char *index_pa init_revisions(&rev_info, NULL); rev_info.diffopt.output_format = DIFF_FORMAT_NAME_STATUS; diff_opt_parse(&rev_info.diffopt, &diff_filter_str, 1, rev_info.prefix); - add_pending_sha1(&rev_info, "HEAD", our_tree.hash, 0); + add_pending_oid(&rev_info, "HEAD", &our_tree, 0); diff_setup_done(&rev_info.diffopt); run_diff_index(&rev_info, 1); } @@ -1677,7 +1674,7 @@ static void do_commit(const struct am_state *state) if (!get_sha1_commit("HEAD", parent.hash)) { old_oid = &parent; - commit_list_insert(lookup_commit(parent.hash), &parents); + commit_list_insert(lookup_commit(&parent), &parents); } else { old_oid = NULL; say(state, stderr, _("applying to an empty history")); @@ -1934,7 +1931,8 @@ static void am_resolve(struct am_state *state) if (unmerged_cache()) { printf_ln(_("You still have unmerged paths in your index.\n" - "Did you forget to use 'git add'?")); + "You should 'git add' each file with resolved conflicts to mark them as such.\n" + "You might run `git rm` on a file to accept \"deleted by them\" for it.")); die_user_resolve(state); } @@ -2039,11 +2037,11 @@ static int clean_index(const struct object_id *head, const struct object_id *rem struct tree *head_tree, *remote_tree, *index_tree; struct object_id index; - head_tree = parse_tree_indirect(head->hash); + head_tree = parse_tree_indirect(head); if (!head_tree) return error(_("Could not parse object '%s'."), oid_to_hex(head)); - remote_tree = parse_tree_indirect(remote->hash); + remote_tree = parse_tree_indirect(remote); if (!remote_tree) return error(_("Could not parse object '%s'."), oid_to_hex(remote)); @@ -2055,7 +2053,7 @@ static int clean_index(const struct object_id *head, const struct object_id *rem if (write_cache_as_tree(index.hash, 0, NULL)) return -1; - index_tree = parse_tree_indirect(index.hash); + index_tree = parse_tree_indirect(&index); if (!index_tree) return error(_("Could not parse object '%s'."), oid_to_hex(&index)); @@ -2313,6 +2311,9 @@ int cmd_am(int argc, const char **argv, const char *prefix) OPT_END() }; + if (argc == 2 && !strcmp(argv[1], "-h")) + usage_with_options(usage, options); + git_config(git_am_config, NULL); am_state_init(&state);
diff --git a/builtin/blame.c b/builtin/blame.c index f00eda1..d7a2df3 100644 --- a/builtin/blame.c +++ b/builtin/blame.c
@@ -6,21 +6,13 @@ */ #include "cache.h" -#include "refs.h" #include "builtin.h" -#include "blob.h" #include "commit.h" -#include "tag.h" -#include "tree-walk.h" #include "diff.h" -#include "diffcore.h" #include "revision.h" #include "quote.h" -#include "xdiff-interface.h" -#include "cache-tree.h" #include "string-list.h" #include "mailmap.h" -#include "mergesort.h" #include "parse-options.h" #include "prio-queue.h" #include "utf8.h" @@ -29,6 +21,7 @@ #include "line-log.h" #include "dir.h" #include "progress.h" +#include "blame.h" static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] <file>"); @@ -62,1497 +55,21 @@ static struct string_list mailmap = STRING_LIST_INIT_NODUP; #define DEBUG 0 #endif -/* stats */ -static int num_read_blob; -static int num_get_patch; -static int num_commits; - -#define PICKAXE_BLAME_MOVE 01 -#define PICKAXE_BLAME_COPY 02 -#define PICKAXE_BLAME_COPY_HARDER 04 -#define PICKAXE_BLAME_COPY_HARDEST 010 - -/* - * blame for a blame_entry with score lower than these thresholds - * is not passed to the parent using move/copy logic. - */ static unsigned blame_move_score; static unsigned blame_copy_score; -#define BLAME_DEFAULT_MOVE_SCORE 20 -#define BLAME_DEFAULT_COPY_SCORE 40 /* Remember to update object flag allocation in object.h */ #define METAINFO_SHOWN (1u<<12) #define MORE_THAN_ONE_PATH (1u<<13) -/* - * One blob in a commit that is being suspected - */ -struct origin { - int refcnt; - /* Record preceding blame record for this blob */ - struct origin *previous; - /* origins are put in a list linked via `next' hanging off the - * corresponding commit's util field in order to make finding - * them fast. The presence in this chain does not count - * towards the origin's reference count. It is tempting to - * let it count as long as the commit is pending examination, - * but even under circumstances where the commit will be - * present multiple times in the priority queue of unexamined - * commits, processing the first instance will not leave any - * work requiring the origin data for the second instance. An - * interspersed commit changing that would have to be - * preexisting with a different ancestry and with the same - * commit date in order to wedge itself between two instances - * of the same commit in the priority queue _and_ produce - * blame entries relevant for it. While we don't want to let - * us get tripped up by this case, it certainly does not seem - * worth optimizing for. - */ - struct origin *next; - struct commit *commit; - /* `suspects' contains blame entries that may be attributed to - * this origin's commit or to parent commits. When a commit - * is being processed, all suspects will be moved, either by - * assigning them to an origin in a different commit, or by - * shipping them to the scoreboard's ent list because they - * cannot be attributed to a different commit. - */ - struct blame_entry *suspects; - mmfile_t file; - struct object_id blob_oid; - unsigned mode; - /* guilty gets set when shipping any suspects to the final - * blame list instead of other commits - */ - char guilty; - char path[FLEX_ARRAY]; -}; - struct progress_info { struct progress *progress; int blamed_lines; }; -static int diff_hunks(mmfile_t *file_a, mmfile_t *file_b, - xdl_emit_hunk_consume_func_t hunk_func, void *cb_data) -{ - xpparam_t xpp = {0}; - xdemitconf_t xecfg = {0}; - xdemitcb_t ecb = {NULL}; - - xpp.flags = xdl_opts; - xecfg.hunk_func = hunk_func; - ecb.priv = cb_data; - return xdi_diff(file_a, file_b, &xpp, &xecfg, &ecb); -} - -/* - * Prepare diff_filespec and convert it using diff textconv API - * if the textconv driver exists. - * Return 1 if the conversion succeeds, 0 otherwise. - */ -int textconv_object(const char *path, - unsigned mode, - const struct object_id *oid, - int oid_valid, - char **buf, - unsigned long *buf_size) -{ - struct diff_filespec *df; - struct userdiff_driver *textconv; - - df = alloc_filespec(path); - fill_filespec(df, oid->hash, oid_valid, mode); - textconv = get_textconv(df); - if (!textconv) { - free_filespec(df); - return 0; - } - - *buf_size = fill_textconv(textconv, df, buf); - free_filespec(df); - return 1; -} - -/* - * Given an origin, prepare mmfile_t structure to be used by the - * diff machinery - */ -static void fill_origin_blob(struct diff_options *opt, - struct origin *o, mmfile_t *file) -{ - if (!o->file.ptr) { - enum object_type type; - unsigned long file_size; - - num_read_blob++; - if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && - textconv_object(o->path, o->mode, &o->blob_oid, 1, &file->ptr, &file_size)) - ; - else - file->ptr = read_sha1_file(o->blob_oid.hash, &type, - &file_size); - file->size = file_size; - - if (!file->ptr) - die("Cannot read blob %s for path %s", - oid_to_hex(&o->blob_oid), - o->path); - o->file = *file; - } - else - *file = o->file; -} - -/* - * Origin is refcounted and usually we keep the blob contents to be - * reused. - */ -static inline struct origin *origin_incref(struct origin *o) -{ - if (o) - o->refcnt++; - return o; -} - -static void origin_decref(struct origin *o) -{ - if (o && --o->refcnt <= 0) { - struct origin *p, *l = NULL; - if (o->previous) - origin_decref(o->previous); - free(o->file.ptr); - /* Should be present exactly once in commit chain */ - for (p = o->commit->util; p; l = p, p = p->next) { - if (p == o) { - if (l) - l->next = p->next; - else - o->commit->util = p->next; - free(o); - return; - } - } - die("internal error in blame::origin_decref"); - } -} - -static void drop_origin_blob(struct origin *o) -{ - if (o->file.ptr) { - free(o->file.ptr); - o->file.ptr = NULL; - } -} - -/* - * Each group of lines is described by a blame_entry; it can be split - * as we pass blame to the parents. They are arranged in linked lists - * kept as `suspects' of some unprocessed origin, or entered (when the - * blame origin has been finalized) into the scoreboard structure. - * While the scoreboard structure is only sorted at the end of - * processing (according to final image line number), the lists - * attached to an origin are sorted by the target line number. - */ -struct blame_entry { - struct blame_entry *next; - - /* the first line of this group in the final image; - * internally all line numbers are 0 based. - */ - int lno; - - /* how many lines this group has */ - int num_lines; - - /* the commit that introduced this group into the final image */ - struct origin *suspect; - - /* the line number of the first line of this group in the - * suspect's file; internally all line numbers are 0 based. - */ - int s_lno; - - /* how significant this entry is -- cached to avoid - * scanning the lines over and over. - */ - unsigned score; -}; - -/* - * Any merge of blames happens on lists of blames that arrived via - * different parents in a single suspect. In this case, we want to - * sort according to the suspect line numbers as opposed to the final - * image line numbers. The function body is somewhat longish because - * it avoids unnecessary writes. - */ - -static struct blame_entry *blame_merge(struct blame_entry *list1, - struct blame_entry *list2) -{ - struct blame_entry *p1 = list1, *p2 = list2, - **tail = &list1; - - if (!p1) - return p2; - if (!p2) - return p1; - - if (p1->s_lno <= p2->s_lno) { - do { - tail = &p1->next; - if ((p1 = *tail) == NULL) { - *tail = p2; - return list1; - } - } while (p1->s_lno <= p2->s_lno); - } - for (;;) { - *tail = p2; - do { - tail = &p2->next; - if ((p2 = *tail) == NULL) { - *tail = p1; - return list1; - } - } while (p1->s_lno > p2->s_lno); - *tail = p1; - do { - tail = &p1->next; - if ((p1 = *tail) == NULL) { - *tail = p2; - return list1; - } - } while (p1->s_lno <= p2->s_lno); - } -} - -static void *get_next_blame(const void *p) -{ - return ((struct blame_entry *)p)->next; -} - -static void set_next_blame(void *p1, void *p2) -{ - ((struct blame_entry *)p1)->next = p2; -} - -/* - * Final image line numbers are all different, so we don't need a - * three-way comparison here. - */ - -static int compare_blame_final(const void *p1, const void *p2) -{ - return ((struct blame_entry *)p1)->lno > ((struct blame_entry *)p2)->lno - ? 1 : -1; -} - -static int compare_blame_suspect(const void *p1, const void *p2) -{ - const struct blame_entry *s1 = p1, *s2 = p2; - /* - * to allow for collating suspects, we sort according to the - * respective pointer value as the primary sorting criterion. - * The actual relation is pretty unimportant as long as it - * establishes a total order. Comparing as integers gives us - * that. - */ - if (s1->suspect != s2->suspect) - return (intptr_t)s1->suspect > (intptr_t)s2->suspect ? 1 : -1; - if (s1->s_lno == s2->s_lno) - return 0; - return s1->s_lno > s2->s_lno ? 1 : -1; -} - -static struct blame_entry *blame_sort(struct blame_entry *head, - int (*compare_fn)(const void *, const void *)) -{ - return llist_mergesort (head, get_next_blame, set_next_blame, compare_fn); -} - -static int compare_commits_by_reverse_commit_date(const void *a, - const void *b, - void *c) -{ - return -compare_commits_by_commit_date(a, b, c); -} - -/* - * The current state of the blame assignment. - */ -struct scoreboard { - /* the final commit (i.e. where we started digging from) */ - struct commit *final; - /* Priority queue for commits with unassigned blame records */ - struct prio_queue commits; - struct rev_info *revs; - const char *path; - - /* - * The contents in the final image. - * Used by many functions to obtain contents of the nth line, - * indexed with scoreboard.lineno[blame_entry.lno]. - */ - const char *final_buf; - unsigned long final_buf_size; - - /* linked list of blames */ - struct blame_entry *ent; - - /* look-up a line in the final buffer */ - int num_lines; - int *lineno; -}; - -static void sanity_check_refcnt(struct scoreboard *); - -/* - * If two blame entries that are next to each other came from - * contiguous lines in the same origin (i.e. <commit, path> pair), - * merge them together. - */ -static void coalesce(struct scoreboard *sb) -{ - struct blame_entry *ent, *next; - - for (ent = sb->ent; ent && (next = ent->next); ent = next) { - if (ent->suspect == next->suspect && - ent->s_lno + ent->num_lines == next->s_lno) { - ent->num_lines += next->num_lines; - ent->next = next->next; - origin_decref(next->suspect); - free(next); - ent->score = 0; - next = ent; /* again */ - } - } - - if (DEBUG) /* sanity */ - sanity_check_refcnt(sb); -} - -/* - * Merge the given sorted list of blames into a preexisting origin. - * If there were no previous blames to that commit, it is entered into - * the commit priority queue of the score board. - */ - -static void queue_blames(struct scoreboard *sb, struct origin *porigin, - struct blame_entry *sorted) -{ - if (porigin->suspects) - porigin->suspects = blame_merge(porigin->suspects, sorted); - else { - struct origin *o; - for (o = porigin->commit->util; o; o = o->next) { - if (o->suspects) { - porigin->suspects = sorted; - return; - } - } - porigin->suspects = sorted; - prio_queue_put(&sb->commits, porigin->commit); - } -} - -/* - * Given a commit and a path in it, create a new origin structure. - * The callers that add blame to the scoreboard should use - * get_origin() to obtain shared, refcounted copy instead of calling - * this function directly. - */ -static struct origin *make_origin(struct commit *commit, const char *path) -{ - struct origin *o; - FLEX_ALLOC_STR(o, path, path); - o->commit = commit; - o->refcnt = 1; - o->next = commit->util; - commit->util = o; - return o; -} - -/* - * Locate an existing origin or create a new one. - * This moves the origin to front position in the commit util list. - */ -static struct origin *get_origin(struct scoreboard *sb, - struct commit *commit, - const char *path) -{ - struct origin *o, *l; - - for (o = commit->util, l = NULL; o; l = o, o = o->next) { - if (!strcmp(o->path, path)) { - /* bump to front */ - if (l) { - l->next = o->next; - o->next = commit->util; - commit->util = o; - } - return origin_incref(o); - } - } - return make_origin(commit, path); -} - -/* - * Fill the blob_sha1 field of an origin if it hasn't, so that later - * call to fill_origin_blob() can use it to locate the data. blob_sha1 - * for an origin is also used to pass the blame for the entire file to - * the parent to detect the case where a child's blob is identical to - * that of its parent's. - * - * This also fills origin->mode for corresponding tree path. - */ -static int fill_blob_sha1_and_mode(struct origin *origin) -{ - if (!is_null_oid(&origin->blob_oid)) - return 0; - if (get_tree_entry(origin->commit->object.oid.hash, - origin->path, - origin->blob_oid.hash, &origin->mode)) - goto error_out; - if (sha1_object_info(origin->blob_oid.hash, NULL) != OBJ_BLOB) - goto error_out; - return 0; - error_out: - oidclr(&origin->blob_oid); - origin->mode = S_IFINVALID; - return -1; -} - -/* - * We have an origin -- check if the same path exists in the - * parent and return an origin structure to represent it. - */ -static struct origin *find_origin(struct scoreboard *sb, - struct commit *parent, - struct origin *origin) -{ - struct origin *porigin; - struct diff_options diff_opts; - const char *paths[2]; - - /* First check any existing origins */ - for (porigin = parent->util; porigin; porigin = porigin->next) - if (!strcmp(porigin->path, origin->path)) { - /* - * The same path between origin and its parent - * without renaming -- the most common case. - */ - return origin_incref (porigin); - } - - /* See if the origin->path is different between parent - * and origin first. Most of the time they are the - * same and diff-tree is fairly efficient about this. - */ - diff_setup(&diff_opts); - DIFF_OPT_SET(&diff_opts, RECURSIVE); - diff_opts.detect_rename = 0; - diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; - paths[0] = origin->path; - paths[1] = NULL; - - parse_pathspec(&diff_opts.pathspec, - PATHSPEC_ALL_MAGIC & ~PATHSPEC_LITERAL, - PATHSPEC_LITERAL_PATH, "", paths); - diff_setup_done(&diff_opts); - - if (is_null_oid(&origin->commit->object.oid)) - do_diff_cache(parent->tree->object.oid.hash, &diff_opts); - else - diff_tree_sha1(parent->tree->object.oid.hash, - origin->commit->tree->object.oid.hash, - "", &diff_opts); - diffcore_std(&diff_opts); - - if (!diff_queued_diff.nr) { - /* The path is the same as parent */ - porigin = get_origin(sb, parent, origin->path); - oidcpy(&porigin->blob_oid, &origin->blob_oid); - porigin->mode = origin->mode; - } else { - /* - * Since origin->path is a pathspec, if the parent - * commit had it as a directory, we will see a whole - * bunch of deletion of files in the directory that we - * do not care about. - */ - int i; - struct diff_filepair *p = NULL; - for (i = 0; i < diff_queued_diff.nr; i++) { - const char *name; - p = diff_queued_diff.queue[i]; - name = p->one->path ? p->one->path : p->two->path; - if (!strcmp(name, origin->path)) - break; - } - if (!p) - die("internal error in blame::find_origin"); - switch (p->status) { - default: - die("internal error in blame::find_origin (%c)", - p->status); - case 'M': - porigin = get_origin(sb, parent, origin->path); - oidcpy(&porigin->blob_oid, &p->one->oid); - porigin->mode = p->one->mode; - break; - case 'A': - case 'T': - /* Did not exist in parent, or type changed */ - break; - } - } - diff_flush(&diff_opts); - clear_pathspec(&diff_opts.pathspec); - return porigin; -} - -/* - * We have an origin -- find the path that corresponds to it in its - * parent and return an origin structure to represent it. - */ -static struct origin *find_rename(struct scoreboard *sb, - struct commit *parent, - struct origin *origin) -{ - struct origin *porigin = NULL; - struct diff_options diff_opts; - int i; - - diff_setup(&diff_opts); - DIFF_OPT_SET(&diff_opts, RECURSIVE); - diff_opts.detect_rename = DIFF_DETECT_RENAME; - diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; - diff_opts.single_follow = origin->path; - diff_setup_done(&diff_opts); - - if (is_null_oid(&origin->commit->object.oid)) - do_diff_cache(parent->tree->object.oid.hash, &diff_opts); - else - diff_tree_sha1(parent->tree->object.oid.hash, - origin->commit->tree->object.oid.hash, - "", &diff_opts); - diffcore_std(&diff_opts); - - for (i = 0; i < diff_queued_diff.nr; i++) { - struct diff_filepair *p = diff_queued_diff.queue[i]; - if ((p->status == 'R' || p->status == 'C') && - !strcmp(p->two->path, origin->path)) { - porigin = get_origin(sb, parent, p->one->path); - oidcpy(&porigin->blob_oid, &p->one->oid); - porigin->mode = p->one->mode; - break; - } - } - diff_flush(&diff_opts); - clear_pathspec(&diff_opts.pathspec); - return porigin; -} - -/* - * Append a new blame entry to a given output queue. - */ -static void add_blame_entry(struct blame_entry ***queue, - const struct blame_entry *src) -{ - struct blame_entry *e = xmalloc(sizeof(*e)); - memcpy(e, src, sizeof(*e)); - origin_incref(e->suspect); - - e->next = **queue; - **queue = e; - *queue = &e->next; -} - -/* - * src typically is on-stack; we want to copy the information in it to - * a malloced blame_entry that gets added to the given queue. The - * origin of dst loses a refcnt. - */ -static void dup_entry(struct blame_entry ***queue, - struct blame_entry *dst, struct blame_entry *src) -{ - origin_incref(src->suspect); - origin_decref(dst->suspect); - memcpy(dst, src, sizeof(*src)); - dst->next = **queue; - **queue = dst; - *queue = &dst->next; -} - -static const char *nth_line(struct scoreboard *sb, long lno) -{ - return sb->final_buf + sb->lineno[lno]; -} - static const char *nth_line_cb(void *data, long lno) { - return nth_line((struct scoreboard *)data, lno); -} - -/* - * It is known that lines between tlno to same came from parent, and e - * has an overlap with that range. it also is known that parent's - * line plno corresponds to e's line tlno. - * - * <---- e -----> - * <------> - * <------------> - * <------------> - * <------------------> - * - * Split e into potentially three parts; before this chunk, the chunk - * to be blamed for the parent, and after that portion. - */ -static void split_overlap(struct blame_entry *split, - struct blame_entry *e, - int tlno, int plno, int same, - struct origin *parent) -{ - int chunk_end_lno; - memset(split, 0, sizeof(struct blame_entry [3])); - - if (e->s_lno < tlno) { - /* there is a pre-chunk part not blamed on parent */ - split[0].suspect = origin_incref(e->suspect); - split[0].lno = e->lno; - split[0].s_lno = e->s_lno; - split[0].num_lines = tlno - e->s_lno; - split[1].lno = e->lno + tlno - e->s_lno; - split[1].s_lno = plno; - } - else { - split[1].lno = e->lno; - split[1].s_lno = plno + (e->s_lno - tlno); - } - - if (same < e->s_lno + e->num_lines) { - /* there is a post-chunk part not blamed on parent */ - split[2].suspect = origin_incref(e->suspect); - split[2].lno = e->lno + (same - e->s_lno); - split[2].s_lno = e->s_lno + (same - e->s_lno); - split[2].num_lines = e->s_lno + e->num_lines - same; - chunk_end_lno = split[2].lno; - } - else - chunk_end_lno = e->lno + e->num_lines; - split[1].num_lines = chunk_end_lno - split[1].lno; - - /* - * if it turns out there is nothing to blame the parent for, - * forget about the splitting. !split[1].suspect signals this. - */ - if (split[1].num_lines < 1) - return; - split[1].suspect = origin_incref(parent); -} - -/* - * split_overlap() divided an existing blame e into up to three parts - * in split. Any assigned blame is moved to queue to - * reflect the split. - */ -static void split_blame(struct blame_entry ***blamed, - struct blame_entry ***unblamed, - struct blame_entry *split, - struct blame_entry *e) -{ - if (split[0].suspect && split[2].suspect) { - /* The first part (reuse storage for the existing entry e) */ - dup_entry(unblamed, e, &split[0]); - - /* The last part -- me */ - add_blame_entry(unblamed, &split[2]); - - /* ... and the middle part -- parent */ - add_blame_entry(blamed, &split[1]); - } - else if (!split[0].suspect && !split[2].suspect) - /* - * The parent covers the entire area; reuse storage for - * e and replace it with the parent. - */ - dup_entry(blamed, e, &split[1]); - else if (split[0].suspect) { - /* me and then parent */ - dup_entry(unblamed, e, &split[0]); - add_blame_entry(blamed, &split[1]); - } - else { - /* parent and then me */ - dup_entry(blamed, e, &split[1]); - add_blame_entry(unblamed, &split[2]); - } -} - -/* - * After splitting the blame, the origins used by the - * on-stack blame_entry should lose one refcnt each. - */ -static void decref_split(struct blame_entry *split) -{ - int i; - - for (i = 0; i < 3; i++) - origin_decref(split[i].suspect); -} - -/* - * reverse_blame reverses the list given in head, appending tail. - * That allows us to build lists in reverse order, then reverse them - * afterwards. This can be faster than building the list in proper - * order right away. The reason is that building in proper order - * requires writing a link in the _previous_ element, while building - * in reverse order just requires placing the list head into the - * _current_ element. - */ - -static struct blame_entry *reverse_blame(struct blame_entry *head, - struct blame_entry *tail) -{ - while (head) { - struct blame_entry *next = head->next; - head->next = tail; - tail = head; - head = next; - } - return tail; -} - -/* - * Process one hunk from the patch between the current suspect for - * blame_entry e and its parent. This first blames any unfinished - * entries before the chunk (which is where target and parent start - * differing) on the parent, and then splits blame entries at the - * start and at the end of the difference region. Since use of -M and - * -C options may lead to overlapping/duplicate source line number - * ranges, all we can rely on from sorting/merging is the order of the - * first suspect line number. - */ -static void blame_chunk(struct blame_entry ***dstq, struct blame_entry ***srcq, - int tlno, int offset, int same, - struct origin *parent) -{ - struct blame_entry *e = **srcq; - struct blame_entry *samep = NULL, *diffp = NULL; - - while (e && e->s_lno < tlno) { - struct blame_entry *next = e->next; - /* - * current record starts before differing portion. If - * it reaches into it, we need to split it up and - * examine the second part separately. - */ - if (e->s_lno + e->num_lines > tlno) { - /* Move second half to a new record */ - int len = tlno - e->s_lno; - struct blame_entry *n = xcalloc(1, sizeof (struct blame_entry)); - n->suspect = e->suspect; - n->lno = e->lno + len; - n->s_lno = e->s_lno + len; - n->num_lines = e->num_lines - len; - e->num_lines = len; - e->score = 0; - /* Push new record to diffp */ - n->next = diffp; - diffp = n; - } else - origin_decref(e->suspect); - /* Pass blame for everything before the differing - * chunk to the parent */ - e->suspect = origin_incref(parent); - e->s_lno += offset; - e->next = samep; - samep = e; - e = next; - } - /* - * As we don't know how much of a common stretch after this - * diff will occur, the currently blamed parts are all that we - * can assign to the parent for now. - */ - - if (samep) { - **dstq = reverse_blame(samep, **dstq); - *dstq = &samep->next; - } - /* - * Prepend the split off portions: everything after e starts - * after the blameable portion. - */ - e = reverse_blame(diffp, e); - - /* - * Now retain records on the target while parts are different - * from the parent. - */ - samep = NULL; - diffp = NULL; - while (e && e->s_lno < same) { - struct blame_entry *next = e->next; - - /* - * If current record extends into sameness, need to split. - */ - if (e->s_lno + e->num_lines > same) { - /* - * Move second half to a new record to be - * processed by later chunks - */ - int len = same - e->s_lno; - struct blame_entry *n = xcalloc(1, sizeof (struct blame_entry)); - n->suspect = origin_incref(e->suspect); - n->lno = e->lno + len; - n->s_lno = e->s_lno + len; - n->num_lines = e->num_lines - len; - e->num_lines = len; - e->score = 0; - /* Push new record to samep */ - n->next = samep; - samep = n; - } - e->next = diffp; - diffp = e; - e = next; - } - **srcq = reverse_blame(diffp, reverse_blame(samep, e)); - /* Move across elements that are in the unblamable portion */ - if (diffp) - *srcq = &diffp->next; -} - -struct blame_chunk_cb_data { - struct origin *parent; - long offset; - struct blame_entry **dstq; - struct blame_entry **srcq; -}; - -/* diff chunks are from parent to target */ -static int blame_chunk_cb(long start_a, long count_a, - long start_b, long count_b, void *data) -{ - struct blame_chunk_cb_data *d = data; - if (start_a - start_b != d->offset) - die("internal error in blame::blame_chunk_cb"); - blame_chunk(&d->dstq, &d->srcq, start_b, start_a - start_b, - start_b + count_b, d->parent); - d->offset = start_a + count_a - (start_b + count_b); - return 0; -} - -/* - * We are looking at the origin 'target' and aiming to pass blame - * for the lines it is suspected to its parent. Run diff to find - * which lines came from parent and pass blame for them. - */ -static void pass_blame_to_parent(struct scoreboard *sb, - struct origin *target, - struct origin *parent) -{ - mmfile_t file_p, file_o; - struct blame_chunk_cb_data d; - struct blame_entry *newdest = NULL; - - if (!target->suspects) - return; /* nothing remains for this target */ - - d.parent = parent; - d.offset = 0; - d.dstq = &newdest; d.srcq = &target->suspects; - - fill_origin_blob(&sb->revs->diffopt, parent, &file_p); - fill_origin_blob(&sb->revs->diffopt, target, &file_o); - num_get_patch++; - - if (diff_hunks(&file_p, &file_o, blame_chunk_cb, &d)) - die("unable to generate diff (%s -> %s)", - oid_to_hex(&parent->commit->object.oid), - oid_to_hex(&target->commit->object.oid)); - /* The rest are the same as the parent */ - blame_chunk(&d.dstq, &d.srcq, INT_MAX, d.offset, INT_MAX, parent); - *d.dstq = NULL; - queue_blames(sb, parent, newdest); - - return; -} - -/* - * The lines in blame_entry after splitting blames many times can become - * very small and trivial, and at some point it becomes pointless to - * blame the parents. E.g. "\t\t}\n\t}\n\n" appears everywhere in any - * ordinary C program, and it is not worth to say it was copied from - * totally unrelated file in the parent. - * - * Compute how trivial the lines in the blame_entry are. - */ -static unsigned ent_score(struct scoreboard *sb, struct blame_entry *e) -{ - unsigned score; - const char *cp, *ep; - - if (e->score) - return e->score; - - score = 1; - cp = nth_line(sb, e->lno); - ep = nth_line(sb, e->lno + e->num_lines); - while (cp < ep) { - unsigned ch = *((unsigned char *)cp); - if (isalnum(ch)) - score++; - cp++; - } - e->score = score; - return score; -} - -/* - * best_so_far[] and this[] are both a split of an existing blame_entry - * that passes blame to the parent. Maintain best_so_far the best split - * so far, by comparing this and best_so_far and copying this into - * bst_so_far as needed. - */ -static void copy_split_if_better(struct scoreboard *sb, - struct blame_entry *best_so_far, - struct blame_entry *this) -{ - int i; - - if (!this[1].suspect) - return; - if (best_so_far[1].suspect) { - if (ent_score(sb, &this[1]) < ent_score(sb, &best_so_far[1])) - return; - } - - for (i = 0; i < 3; i++) - origin_incref(this[i].suspect); - decref_split(best_so_far); - memcpy(best_so_far, this, sizeof(struct blame_entry [3])); -} - -/* - * We are looking at a part of the final image represented by - * ent (tlno and same are offset by ent->s_lno). - * tlno is where we are looking at in the final image. - * up to (but not including) same match preimage. - * plno is where we are looking at in the preimage. - * - * <-------------- final image ----------------------> - * <------ent------> - * ^tlno ^same - * <---------preimage-----> - * ^plno - * - * All line numbers are 0-based. - */ -static void handle_split(struct scoreboard *sb, - struct blame_entry *ent, - int tlno, int plno, int same, - struct origin *parent, - struct blame_entry *split) -{ - if (ent->num_lines <= tlno) - return; - if (tlno < same) { - struct blame_entry this[3]; - tlno += ent->s_lno; - same += ent->s_lno; - split_overlap(this, ent, tlno, plno, same, parent); - copy_split_if_better(sb, split, this); - decref_split(this); - } -} - -struct handle_split_cb_data { - struct scoreboard *sb; - struct blame_entry *ent; - struct origin *parent; - struct blame_entry *split; - long plno; - long tlno; -}; - -static int handle_split_cb(long start_a, long count_a, - long start_b, long count_b, void *data) -{ - struct handle_split_cb_data *d = data; - handle_split(d->sb, d->ent, d->tlno, d->plno, start_b, d->parent, - d->split); - d->plno = start_a + count_a; - d->tlno = start_b + count_b; - return 0; -} - -/* - * Find the lines from parent that are the same as ent so that - * we can pass blames to it. file_p has the blob contents for - * the parent. - */ -static void find_copy_in_blob(struct scoreboard *sb, - struct blame_entry *ent, - struct origin *parent, - struct blame_entry *split, - mmfile_t *file_p) -{ - const char *cp; - mmfile_t file_o; - struct handle_split_cb_data d; - - memset(&d, 0, sizeof(d)); - d.sb = sb; d.ent = ent; d.parent = parent; d.split = split; - /* - * Prepare mmfile that contains only the lines in ent. - */ - cp = nth_line(sb, ent->lno); - file_o.ptr = (char *) cp; - file_o.size = nth_line(sb, ent->lno + ent->num_lines) - cp; - - /* - * file_o is a part of final image we are annotating. - * file_p partially may match that image. - */ - memset(split, 0, sizeof(struct blame_entry [3])); - if (diff_hunks(file_p, &file_o, handle_split_cb, &d)) - die("unable to generate diff (%s)", - oid_to_hex(&parent->commit->object.oid)); - /* remainder, if any, all match the preimage */ - handle_split(sb, ent, d.tlno, d.plno, ent->num_lines, parent, split); -} - -/* Move all blame entries from list *source that have a score smaller - * than score_min to the front of list *small. - * Returns a pointer to the link pointing to the old head of the small list. - */ - -static struct blame_entry **filter_small(struct scoreboard *sb, - struct blame_entry **small, - struct blame_entry **source, - unsigned score_min) -{ - struct blame_entry *p = *source; - struct blame_entry *oldsmall = *small; - while (p) { - if (ent_score(sb, p) <= score_min) { - *small = p; - small = &p->next; - p = *small; - } else { - *source = p; - source = &p->next; - p = *source; - } - } - *small = oldsmall; - *source = NULL; - return small; -} - -/* - * See if lines currently target is suspected for can be attributed to - * parent. - */ -static void find_move_in_parent(struct scoreboard *sb, - struct blame_entry ***blamed, - struct blame_entry **toosmall, - struct origin *target, - struct origin *parent) -{ - struct blame_entry *e, split[3]; - struct blame_entry *unblamed = target->suspects; - struct blame_entry *leftover = NULL; - mmfile_t file_p; - - if (!unblamed) - return; /* nothing remains for this target */ - - fill_origin_blob(&sb->revs->diffopt, parent, &file_p); - if (!file_p.ptr) - return; - - /* At each iteration, unblamed has a NULL-terminated list of - * entries that have not yet been tested for blame. leftover - * contains the reversed list of entries that have been tested - * without being assignable to the parent. - */ - do { - struct blame_entry **unblamedtail = &unblamed; - struct blame_entry *next; - for (e = unblamed; e; e = next) { - next = e->next; - find_copy_in_blob(sb, e, parent, split, &file_p); - if (split[1].suspect && - blame_move_score < ent_score(sb, &split[1])) { - split_blame(blamed, &unblamedtail, split, e); - } else { - e->next = leftover; - leftover = e; - } - decref_split(split); - } - *unblamedtail = NULL; - toosmall = filter_small(sb, toosmall, &unblamed, blame_move_score); - } while (unblamed); - target->suspects = reverse_blame(leftover, NULL); -} - -struct blame_list { - struct blame_entry *ent; - struct blame_entry split[3]; -}; - -/* - * Count the number of entries the target is suspected for, - * and prepare a list of entry and the best split. - */ -static struct blame_list *setup_blame_list(struct blame_entry *unblamed, - int *num_ents_p) -{ - struct blame_entry *e; - int num_ents, i; - struct blame_list *blame_list = NULL; - - for (e = unblamed, num_ents = 0; e; e = e->next) - num_ents++; - if (num_ents) { - blame_list = xcalloc(num_ents, sizeof(struct blame_list)); - for (e = unblamed, i = 0; e; e = e->next) - blame_list[i++].ent = e; - } - *num_ents_p = num_ents; - return blame_list; -} - -/* - * For lines target is suspected for, see if we can find code movement - * across file boundary from the parent commit. porigin is the path - * in the parent we already tried. - */ -static void find_copy_in_parent(struct scoreboard *sb, - struct blame_entry ***blamed, - struct blame_entry **toosmall, - struct origin *target, - struct commit *parent, - struct origin *porigin, - int opt) -{ - struct diff_options diff_opts; - int i, j; - struct blame_list *blame_list; - int num_ents; - struct blame_entry *unblamed = target->suspects; - struct blame_entry *leftover = NULL; - - if (!unblamed) - return; /* nothing remains for this target */ - - diff_setup(&diff_opts); - DIFF_OPT_SET(&diff_opts, RECURSIVE); - diff_opts.output_format = DIFF_FORMAT_NO_OUTPUT; - - diff_setup_done(&diff_opts); - - /* Try "find copies harder" on new path if requested; - * we do not want to use diffcore_rename() actually to - * match things up; find_copies_harder is set only to - * force diff_tree_sha1() to feed all filepairs to diff_queue, - * and this code needs to be after diff_setup_done(), which - * usually makes find-copies-harder imply copy detection. - */ - if ((opt & PICKAXE_BLAME_COPY_HARDEST) - || ((opt & PICKAXE_BLAME_COPY_HARDER) - && (!porigin || strcmp(target->path, porigin->path)))) - DIFF_OPT_SET(&diff_opts, FIND_COPIES_HARDER); - - if (is_null_oid(&target->commit->object.oid)) - do_diff_cache(parent->tree->object.oid.hash, &diff_opts); - else - diff_tree_sha1(parent->tree->object.oid.hash, - target->commit->tree->object.oid.hash, - "", &diff_opts); - - if (!DIFF_OPT_TST(&diff_opts, FIND_COPIES_HARDER)) - diffcore_std(&diff_opts); - - do { - struct blame_entry **unblamedtail = &unblamed; - blame_list = setup_blame_list(unblamed, &num_ents); - - for (i = 0; i < diff_queued_diff.nr; i++) { - struct diff_filepair *p = diff_queued_diff.queue[i]; - struct origin *norigin; - mmfile_t file_p; - struct blame_entry this[3]; - - if (!DIFF_FILE_VALID(p->one)) - continue; /* does not exist in parent */ - if (S_ISGITLINK(p->one->mode)) - continue; /* ignore git links */ - if (porigin && !strcmp(p->one->path, porigin->path)) - /* find_move already dealt with this path */ - continue; - - norigin = get_origin(sb, parent, p->one->path); - oidcpy(&norigin->blob_oid, &p->one->oid); - norigin->mode = p->one->mode; - fill_origin_blob(&sb->revs->diffopt, norigin, &file_p); - if (!file_p.ptr) - continue; - - for (j = 0; j < num_ents; j++) { - find_copy_in_blob(sb, blame_list[j].ent, - norigin, this, &file_p); - copy_split_if_better(sb, blame_list[j].split, - this); - decref_split(this); - } - origin_decref(norigin); - } - - for (j = 0; j < num_ents; j++) { - struct blame_entry *split = blame_list[j].split; - if (split[1].suspect && - blame_copy_score < ent_score(sb, &split[1])) { - split_blame(blamed, &unblamedtail, split, - blame_list[j].ent); - } else { - blame_list[j].ent->next = leftover; - leftover = blame_list[j].ent; - } - decref_split(split); - } - free(blame_list); - *unblamedtail = NULL; - toosmall = filter_small(sb, toosmall, &unblamed, blame_copy_score); - } while (unblamed); - target->suspects = reverse_blame(leftover, NULL); - diff_flush(&diff_opts); - clear_pathspec(&diff_opts.pathspec); -} - -/* - * The blobs of origin and porigin exactly match, so everything - * origin is suspected for can be blamed on the parent. - */ -static void pass_whole_blame(struct scoreboard *sb, - struct origin *origin, struct origin *porigin) -{ - struct blame_entry *e, *suspects; - - if (!porigin->file.ptr && origin->file.ptr) { - /* Steal its file */ - porigin->file = origin->file; - origin->file.ptr = NULL; - } - suspects = origin->suspects; - origin->suspects = NULL; - for (e = suspects; e; e = e->next) { - origin_incref(porigin); - origin_decref(e->suspect); - e->suspect = porigin; - } - queue_blames(sb, porigin, suspects); -} - -/* - * We pass blame from the current commit to its parents. We keep saying - * "parent" (and "porigin"), but what we mean is to find scapegoat to - * exonerate ourselves. - */ -static struct commit_list *first_scapegoat(struct rev_info *revs, struct commit *commit) -{ - if (!reverse) { - if (revs->first_parent_only && - commit->parents && - commit->parents->next) { - free_commit_list(commit->parents->next); - commit->parents->next = NULL; - } - return commit->parents; - } - return lookup_decoration(&revs->children, &commit->object); -} - -static int num_scapegoats(struct rev_info *revs, struct commit *commit) -{ - struct commit_list *l = first_scapegoat(revs, commit); - return commit_list_count(l); -} - -/* Distribute collected unsorted blames to the respected sorted lists - * in the various origins. - */ -static void distribute_blame(struct scoreboard *sb, struct blame_entry *blamed) -{ - blamed = blame_sort(blamed, compare_blame_suspect); - while (blamed) - { - struct origin *porigin = blamed->suspect; - struct blame_entry *suspects = NULL; - do { - struct blame_entry *next = blamed->next; - blamed->next = suspects; - suspects = blamed; - blamed = next; - } while (blamed && blamed->suspect == porigin); - suspects = reverse_blame(suspects, NULL); - queue_blames(sb, porigin, suspects); - } -} - -#define MAXSG 16 - -static void pass_blame(struct scoreboard *sb, struct origin *origin, int opt) -{ - struct rev_info *revs = sb->revs; - int i, pass, num_sg; - struct commit *commit = origin->commit; - struct commit_list *sg; - struct origin *sg_buf[MAXSG]; - struct origin *porigin, **sg_origin = sg_buf; - struct blame_entry *toosmall = NULL; - struct blame_entry *blames, **blametail = &blames; - - num_sg = num_scapegoats(revs, commit); - if (!num_sg) - goto finish; - else if (num_sg < ARRAY_SIZE(sg_buf)) - memset(sg_buf, 0, sizeof(sg_buf)); - else - sg_origin = xcalloc(num_sg, sizeof(*sg_origin)); - - /* - * The first pass looks for unrenamed path to optimize for - * common cases, then we look for renames in the second pass. - */ - for (pass = 0; pass < 2 - no_whole_file_rename; pass++) { - struct origin *(*find)(struct scoreboard *, - struct commit *, struct origin *); - find = pass ? find_rename : find_origin; - - for (i = 0, sg = first_scapegoat(revs, commit); - i < num_sg && sg; - sg = sg->next, i++) { - struct commit *p = sg->item; - int j, same; - - if (sg_origin[i]) - continue; - if (parse_commit(p)) - continue; - porigin = find(sb, p, origin); - if (!porigin) - continue; - if (!oidcmp(&porigin->blob_oid, &origin->blob_oid)) { - pass_whole_blame(sb, origin, porigin); - origin_decref(porigin); - goto finish; - } - for (j = same = 0; j < i; j++) - if (sg_origin[j] && - !oidcmp(&sg_origin[j]->blob_oid, &porigin->blob_oid)) { - same = 1; - break; - } - if (!same) - sg_origin[i] = porigin; - else - origin_decref(porigin); - } - } - - num_commits++; - for (i = 0, sg = first_scapegoat(revs, commit); - i < num_sg && sg; - sg = sg->next, i++) { - struct origin *porigin = sg_origin[i]; - if (!porigin) - continue; - if (!origin->previous) { - origin_incref(porigin); - origin->previous = porigin; - } - pass_blame_to_parent(sb, origin, porigin); - if (!origin->suspects) - goto finish; - } - - /* - * Optionally find moves in parents' files. - */ - if (opt & PICKAXE_BLAME_MOVE) { - filter_small(sb, &toosmall, &origin->suspects, blame_move_score); - if (origin->suspects) { - for (i = 0, sg = first_scapegoat(revs, commit); - i < num_sg && sg; - sg = sg->next, i++) { - struct origin *porigin = sg_origin[i]; - if (!porigin) - continue; - find_move_in_parent(sb, &blametail, &toosmall, origin, porigin); - if (!origin->suspects) - break; - } - } - } - - /* - * Optionally find copies from parents' files. - */ - if (opt & PICKAXE_BLAME_COPY) { - if (blame_copy_score > blame_move_score) - filter_small(sb, &toosmall, &origin->suspects, blame_copy_score); - else if (blame_copy_score < blame_move_score) { - origin->suspects = blame_merge(origin->suspects, toosmall); - toosmall = NULL; - filter_small(sb, &toosmall, &origin->suspects, blame_copy_score); - } - if (!origin->suspects) - goto finish; - - for (i = 0, sg = first_scapegoat(revs, commit); - i < num_sg && sg; - sg = sg->next, i++) { - struct origin *porigin = sg_origin[i]; - find_copy_in_parent(sb, &blametail, &toosmall, - origin, sg->item, porigin, opt); - if (!origin->suspects) - goto finish; - } - } - -finish: - *blametail = NULL; - distribute_blame(sb, blames); - /* - * prepend toosmall to origin->suspects - * - * There is no point in sorting: this ends up on a big - * unsorted list in the caller anyway. - */ - if (toosmall) { - struct blame_entry **tail = &toosmall; - while (*tail) - tail = &(*tail)->next; - *tail = origin->suspects; - origin->suspects = toosmall; - } - for (i = 0; i < num_sg; i++) { - if (sg_origin[i]) { - drop_origin_blob(sg_origin[i]); - origin_decref(sg_origin[i]); - } - } - drop_origin_blob(origin); - if (sg_buf != sg_origin) - free(sg_origin); + return blame_nth_line((struct blame_scoreboard *)data, lno); } /* @@ -1699,10 +216,10 @@ static void get_commit_info(struct commit *commit, * To allow LF and other nonportable characters in pathnames, * they are c-style quoted as needed. */ -static void write_filename_info(struct origin *suspect) +static void write_filename_info(struct blame_origin *suspect) { if (suspect->previous) { - struct origin *prev = suspect->previous; + struct blame_origin *prev = suspect->previous; printf("previous %s ", oid_to_hex(&prev->commit->object.oid)); write_name_quoted(prev->path, stdout, '\n'); } @@ -1716,7 +233,7 @@ static void write_filename_info(struct origin *suspect) * the first time each commit appears in the output (unless the * user has specifically asked for us to repeat). */ -static int emit_one_suspect_detail(struct origin *suspect, int repeat) +static int emit_one_suspect_detail(struct blame_origin *suspect, int repeat) { struct commit_info ci; @@ -1746,11 +263,12 @@ static int emit_one_suspect_detail(struct origin *suspect, int repeat) * The blame_entry is found to be guilty for the range. * Show it in incremental output. */ -static void found_guilty_entry(struct blame_entry *ent, - struct progress_info *pi) +static void found_guilty_entry(struct blame_entry *ent, void *data) { + struct progress_info *pi = (struct progress_info *)data; + if (incremental) { - struct origin *suspect = ent->suspect; + struct blame_origin *suspect = ent->suspect; printf("%s %d %d %d\n", oid_to_hex(&suspect->commit->object.oid), @@ -1763,80 +281,6 @@ static void found_guilty_entry(struct blame_entry *ent, display_progress(pi->progress, pi->blamed_lines); } -/* - * The main loop -- while we have blobs with lines whose true origin - * is still unknown, pick one blob, and allow its lines to pass blames - * to its parents. */ -static void assign_blame(struct scoreboard *sb, int opt) -{ - struct rev_info *revs = sb->revs; - struct commit *commit = prio_queue_get(&sb->commits); - struct progress_info pi = { NULL, 0 }; - - if (show_progress) - pi.progress = start_progress_delay(_("Blaming lines"), - sb->num_lines, 50, 1); - - while (commit) { - struct blame_entry *ent; - struct origin *suspect = commit->util; - - /* find one suspect to break down */ - while (suspect && !suspect->suspects) - suspect = suspect->next; - - if (!suspect) { - commit = prio_queue_get(&sb->commits); - continue; - } - - assert(commit == suspect->commit); - - /* - * We will use this suspect later in the loop, - * so hold onto it in the meantime. - */ - origin_incref(suspect); - parse_commit(commit); - if (reverse || - (!(commit->object.flags & UNINTERESTING) && - !(revs->max_age != -1 && commit->date < revs->max_age))) - pass_blame(sb, suspect, opt); - else { - commit->object.flags |= UNINTERESTING; - if (commit->object.parsed) - mark_parents_uninteresting(commit); - } - /* treat root commit as boundary */ - if (!commit->parents && !show_root) - commit->object.flags |= UNINTERESTING; - - /* Take responsibility for the remaining entries */ - ent = suspect->suspects; - if (ent) { - suspect->guilty = 1; - for (;;) { - struct blame_entry *next = ent->next; - found_guilty_entry(ent, &pi); - if (next) { - ent = next; - continue; - } - ent->next = sb->ent; - sb->ent = suspect->suspects; - suspect->suspects = NULL; - break; - } - } - origin_decref(suspect); - - if (DEBUG) /* sanity */ - sanity_check_refcnt(sb); - } - - stop_progress(&pi.progress); -} - static const char *format_time(timestamp_t time, const char *tz_str, int show_raw_time) { @@ -1876,20 +320,20 @@ static const char *format_time(timestamp_t time, const char *tz_str, #define OUTPUT_SHOW_EMAIL 0400 #define OUTPUT_LINE_PORCELAIN 01000 -static void emit_porcelain_details(struct origin *suspect, int repeat) +static void emit_porcelain_details(struct blame_origin *suspect, int repeat) { if (emit_one_suspect_detail(suspect, repeat) || (suspect->commit->object.flags & MORE_THAN_ONE_PATH)) write_filename_info(suspect); } -static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent, +static void emit_porcelain(struct blame_scoreboard *sb, struct blame_entry *ent, int opt) { int repeat = opt & OUTPUT_LINE_PORCELAIN; int cnt; const char *cp; - struct origin *suspect = ent->suspect; + struct blame_origin *suspect = ent->suspect; char hex[GIT_MAX_HEXSZ + 1]; oid_to_hex_r(hex, &suspect->commit->object.oid); @@ -1900,7 +344,7 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent, ent->num_lines); emit_porcelain_details(suspect, repeat); - cp = nth_line(sb, ent->lno); + cp = blame_nth_line(sb, ent->lno); for (cnt = 0; cnt < ent->num_lines; cnt++) { char ch; if (cnt) { @@ -1922,11 +366,11 @@ static void emit_porcelain(struct scoreboard *sb, struct blame_entry *ent, putchar('\n'); } -static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt) +static void emit_other(struct blame_scoreboard *sb, struct blame_entry *ent, int opt) { int cnt; const char *cp; - struct origin *suspect = ent->suspect; + struct blame_origin *suspect = ent->suspect; struct commit_info ci; char hex[GIT_MAX_HEXSZ + 1]; int show_raw_time = !!(opt & OUTPUT_RAW_TIMESTAMP); @@ -1934,7 +378,7 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt) get_commit_info(suspect->commit, &ci, 1); oid_to_hex_r(hex, &suspect->commit->object.oid); - cp = nth_line(sb, ent->lno); + cp = blame_nth_line(sb, ent->lno); for (cnt = 0; cnt < ent->num_lines; cnt++) { char ch; int length = (opt & OUTPUT_LONG_OBJECT_NAME) ? GIT_SHA1_HEXSZ : abbrev; @@ -2001,14 +445,14 @@ static void emit_other(struct scoreboard *sb, struct blame_entry *ent, int opt) commit_info_destroy(&ci); } -static void output(struct scoreboard *sb, int option) +static void output(struct blame_scoreboard *sb, int option) { struct blame_entry *ent; if (option & OUTPUT_PORCELAIN) { for (ent = sb->ent; ent; ent = ent->next) { int count = 0; - struct origin *suspect; + struct blame_origin *suspect; struct commit *commit = ent->suspect->commit; if (commit->object.flags & MORE_THAN_ONE_PATH) continue; @@ -2030,40 +474,6 @@ static void output(struct scoreboard *sb, int option) } } -static const char *get_next_line(const char *start, const char *end) -{ - const char *nl = memchr(start, '\n', end - start); - return nl ? nl + 1 : end; -} - -/* - * To allow quick access to the contents of nth line in the - * final image, prepare an index in the scoreboard. - */ -static int prepare_lines(struct scoreboard *sb) -{ - const char *buf = sb->final_buf; - unsigned long len = sb->final_buf_size; - const char *end = buf + len; - const char *p; - int *lineno; - int num = 0; - - for (p = buf; p < end; p = get_next_line(p, end)) - num++; - - ALLOC_ARRAY(sb->lineno, num + 1); - lineno = sb->lineno; - - for (p = buf; p < end; p = get_next_line(p, end)) - *lineno++ = p - buf; - - *lineno = len; - - sb->num_lines = num; - return sb->num_lines; -} - /* * Add phony grafts for use with -S; this is primarily to * support git's cvsserver that wants to give a linear history @@ -2086,7 +496,7 @@ static int read_ancestry(const char *graft_file) return 0; } -static int update_auto_abbrev(int auto_abbrev, struct origin *suspect) +static int update_auto_abbrev(int auto_abbrev, struct blame_origin *suspect) { const char *uniq = find_unique_abbrev(suspect->commit->object.oid.hash, auto_abbrev); @@ -2100,7 +510,7 @@ static int update_auto_abbrev(int auto_abbrev, struct origin *suspect) * How many columns do we need to show line numbers, authors, * and filenames? */ -static void find_alignment(struct scoreboard *sb, int *option) +static void find_alignment(struct blame_scoreboard *sb, int *option) { int longest_src_lines = 0; int longest_dst_lines = 0; @@ -2110,7 +520,7 @@ static void find_alignment(struct scoreboard *sb, int *option) int auto_abbrev = DEFAULT_ABBREV; for (e = sb->ent; e; e = e->next) { - struct origin *suspect = e->suspect; + struct blame_origin *suspect = e->suspect; int num; if (compute_auto_abbrev) @@ -2138,8 +548,8 @@ static void find_alignment(struct scoreboard *sb, int *option) num = e->lno + e->num_lines; if (longest_dst_lines < num) longest_dst_lines = num; - if (largest_score < ent_score(sb, e)) - largest_score = ent_score(sb, e); + if (largest_score < blame_entry_score(sb, e)) + largest_score = blame_entry_score(sb, e); } max_orig_digits = decimal_width(longest_src_lines); max_digits = decimal_width(longest_dst_lines); @@ -2150,31 +560,12 @@ static void find_alignment(struct scoreboard *sb, int *option) abbrev = auto_abbrev + 1; } -/* - * For debugging -- origin is refcounted, and this asserts that - * we do not underflow. - */ -static void sanity_check_refcnt(struct scoreboard *sb) +static void sanity_check_on_fail(struct blame_scoreboard *sb, int baa) { - int baa = 0; - struct blame_entry *ent; - - for (ent = sb->ent; ent; ent = ent->next) { - /* Nobody should have zero or negative refcnt */ - if (ent->suspect->refcnt <= 0) { - fprintf(stderr, "%s in %s has negative refcnt %d\n", - ent->suspect->path, - oid_to_hex(&ent->suspect->commit->object.oid), - ent->suspect->refcnt); - baa = 1; - } - } - if (baa) { - int opt = 0160; - find_alignment(sb, &opt); - output(sb, opt); - die("Baa %d!", baa); - } + int opt = OUTPUT_SHOW_SCORE | OUTPUT_SHOW_NUMBER | OUTPUT_SHOW_NAME; + find_alignment(sb, &opt); + output(sb, opt); + die("Baa %d!", baa); } static unsigned parse_score(const char *arg) @@ -2224,301 +615,6 @@ static int git_blame_config(const char *var, const char *value, void *cb) return git_default_config(var, value, cb); } -static void verify_working_tree_path(struct commit *work_tree, const char *path) -{ - struct commit_list *parents; - int pos; - - for (parents = work_tree->parents; parents; parents = parents->next) { - const struct object_id *commit_oid = &parents->item->object.oid; - struct object_id blob_oid; - unsigned mode; - - if (!get_tree_entry(commit_oid->hash, path, blob_oid.hash, &mode) && - sha1_object_info(blob_oid.hash, NULL) == OBJ_BLOB) - return; - } - - pos = cache_name_pos(path, strlen(path)); - if (pos >= 0) - ; /* path is in the index */ - else if (-1 - pos < active_nr && - !strcmp(active_cache[-1 - pos]->name, path)) - ; /* path is in the index, unmerged */ - else - die("no such path '%s' in HEAD", path); -} - -static struct commit_list **append_parent(struct commit_list **tail, const struct object_id *oid) -{ - struct commit *parent; - - parent = lookup_commit_reference(oid->hash); - if (!parent) - die("no such commit %s", oid_to_hex(oid)); - return &commit_list_insert(parent, tail)->next; -} - -static void append_merge_parents(struct commit_list **tail) -{ - int merge_head; - struct strbuf line = STRBUF_INIT; - - merge_head = open(git_path_merge_head(), O_RDONLY); - if (merge_head < 0) { - if (errno == ENOENT) - return; - die("cannot open '%s' for reading", git_path_merge_head()); - } - - while (!strbuf_getwholeline_fd(&line, merge_head, '\n')) { - struct object_id oid; - if (line.len < GIT_SHA1_HEXSZ || get_oid_hex(line.buf, &oid)) - die("unknown line in '%s': %s", git_path_merge_head(), line.buf); - tail = append_parent(tail, &oid); - } - close(merge_head); - strbuf_release(&line); -} - -/* - * This isn't as simple as passing sb->buf and sb->len, because we - * want to transfer ownership of the buffer to the commit (so we - * must use detach). - */ -static void set_commit_buffer_from_strbuf(struct commit *c, struct strbuf *sb) -{ - size_t len; - void *buf = strbuf_detach(sb, &len); - set_commit_buffer(c, buf, len); -} - -/* - * Prepare a dummy commit that represents the work tree (or staged) item. - * Note that annotating work tree item never works in the reverse. - */ -static struct commit *fake_working_tree_commit(struct diff_options *opt, - const char *path, - const char *contents_from) -{ - struct commit *commit; - struct origin *origin; - struct commit_list **parent_tail, *parent; - struct object_id head_oid; - struct strbuf buf = STRBUF_INIT; - const char *ident; - time_t now; - int size, len; - struct cache_entry *ce; - unsigned mode; - struct strbuf msg = STRBUF_INIT; - - read_cache(); - time(&now); - commit = alloc_commit_node(); - commit->object.parsed = 1; - commit->date = now; - parent_tail = &commit->parents; - - if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL)) - die("no such ref: HEAD"); - - parent_tail = append_parent(parent_tail, &head_oid); - append_merge_parents(parent_tail); - verify_working_tree_path(commit, path); - - origin = make_origin(commit, path); - - ident = fmt_ident("Not Committed Yet", "not.committed.yet", NULL, 0); - strbuf_addstr(&msg, "tree 0000000000000000000000000000000000000000\n"); - for (parent = commit->parents; parent; parent = parent->next) - strbuf_addf(&msg, "parent %s\n", - oid_to_hex(&parent->item->object.oid)); - strbuf_addf(&msg, - "author %s\n" - "committer %s\n\n" - "Version of %s from %s\n", - ident, ident, path, - (!contents_from ? path : - (!strcmp(contents_from, "-") ? "standard input" : contents_from))); - set_commit_buffer_from_strbuf(commit, &msg); - - if (!contents_from || strcmp("-", contents_from)) { - struct stat st; - const char *read_from; - char *buf_ptr; - unsigned long buf_len; - - if (contents_from) { - if (stat(contents_from, &st) < 0) - die_errno("Cannot stat '%s'", contents_from); - read_from = contents_from; - } - else { - if (lstat(path, &st) < 0) - die_errno("Cannot lstat '%s'", path); - read_from = path; - } - mode = canon_mode(st.st_mode); - - switch (st.st_mode & S_IFMT) { - case S_IFREG: - if (DIFF_OPT_TST(opt, ALLOW_TEXTCONV) && - textconv_object(read_from, mode, &null_oid, 0, &buf_ptr, &buf_len)) - strbuf_attach(&buf, buf_ptr, buf_len, buf_len + 1); - else if (strbuf_read_file(&buf, read_from, st.st_size) != st.st_size) - die_errno("cannot open or read '%s'", read_from); - break; - case S_IFLNK: - if (strbuf_readlink(&buf, read_from, st.st_size) < 0) - die_errno("cannot readlink '%s'", read_from); - break; - default: - die("unsupported file type %s", read_from); - } - } - else { - /* Reading from stdin */ - mode = 0; - if (strbuf_read(&buf, 0, 0) < 0) - die_errno("failed to read from stdin"); - } - convert_to_git(path, buf.buf, buf.len, &buf, 0); - origin->file.ptr = buf.buf; - origin->file.size = buf.len; - pretend_sha1_file(buf.buf, buf.len, OBJ_BLOB, origin->blob_oid.hash); - - /* - * Read the current index, replace the path entry with - * origin->blob_sha1 without mucking with its mode or type - * bits; we are not going to write this index out -- we just - * want to run "diff-index --cached". - */ - discard_cache(); - read_cache(); - - len = strlen(path); - if (!mode) { - int pos = cache_name_pos(path, len); - if (0 <= pos) - mode = active_cache[pos]->ce_mode; - else - /* Let's not bother reading from HEAD tree */ - mode = S_IFREG | 0644; - } - size = cache_entry_size(len); - ce = xcalloc(1, size); - oidcpy(&ce->oid, &origin->blob_oid); - memcpy(ce->name, path, len); - ce->ce_flags = create_ce_flags(0); - ce->ce_namelen = len; - ce->ce_mode = create_ce_mode(mode); - add_cache_entry(ce, ADD_CACHE_OK_TO_ADD|ADD_CACHE_OK_TO_REPLACE); - - cache_tree_invalidate_path(&the_index, path); - - return commit; -} - -static struct commit *find_single_final(struct rev_info *revs, - const char **name_p) -{ - int i; - struct commit *found = NULL; - const char *name = NULL; - - for (i = 0; i < revs->pending.nr; i++) { - struct object *obj = revs->pending.objects[i].item; - if (obj->flags & UNINTERESTING) - continue; - obj = deref_tag(obj, NULL, 0); - if (obj->type != OBJ_COMMIT) - die("Non commit %s?", revs->pending.objects[i].name); - if (found) - die("More than one commit to dig from %s and %s?", - revs->pending.objects[i].name, name); - found = (struct commit *)obj; - name = revs->pending.objects[i].name; - } - if (name_p) - *name_p = name; - return found; -} - -static char *prepare_final(struct scoreboard *sb) -{ - const char *name; - sb->final = find_single_final(sb->revs, &name); - return xstrdup_or_null(name); -} - -static const char *dwim_reverse_initial(struct scoreboard *sb) -{ - /* - * DWIM "git blame --reverse ONE -- PATH" as - * "git blame --reverse ONE..HEAD -- PATH" but only do so - * when it makes sense. - */ - struct object *obj; - struct commit *head_commit; - unsigned char head_sha1[20]; - - if (sb->revs->pending.nr != 1) - return NULL; - - /* Is that sole rev a committish? */ - obj = sb->revs->pending.objects[0].item; - obj = deref_tag(obj, NULL, 0); - if (obj->type != OBJ_COMMIT) - return NULL; - - /* Do we have HEAD? */ - if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL)) - return NULL; - head_commit = lookup_commit_reference_gently(head_sha1, 1); - if (!head_commit) - return NULL; - - /* Turn "ONE" into "ONE..HEAD" then */ - obj->flags |= UNINTERESTING; - add_pending_object(sb->revs, &head_commit->object, "HEAD"); - - sb->final = (struct commit *)obj; - return sb->revs->pending.objects[0].name; -} - -static char *prepare_initial(struct scoreboard *sb) -{ - int i; - const char *final_commit_name = NULL; - struct rev_info *revs = sb->revs; - - /* - * There must be one and only one negative commit, and it must be - * the boundary. - */ - for (i = 0; i < revs->pending.nr; i++) { - struct object *obj = revs->pending.objects[i].item; - if (!(obj->flags & UNINTERESTING)) - continue; - obj = deref_tag(obj, NULL, 0); - if (obj->type != OBJ_COMMIT) - die("Non commit %s?", revs->pending.objects[i].name); - if (sb->final) - die("More than one commit to dig up from, %s and %s?", - revs->pending.objects[i].name, - final_commit_name); - sb->final = (struct commit *) obj; - final_commit_name = revs->pending.objects[i].name; - } - - if (!final_commit_name) - final_commit_name = dwim_reverse_initial(sb); - if (!final_commit_name) - die("No commit to dig up from?"); - return xstrdup(final_commit_name); -} - static int blame_copy_callback(const struct option *option, const char *arg, int unset) { int *opt = option->value; @@ -2556,13 +652,11 @@ int cmd_blame(int argc, const char **argv, const char *prefix) { struct rev_info revs; const char *path; - struct scoreboard sb; - struct origin *o; + struct blame_scoreboard sb; + struct blame_origin *o; struct blame_entry *ent = NULL; long dashdash_pos, lno; - char *final_commit_name = NULL; - enum object_type type; - struct commit *final_commit = NULL; + struct progress_info pi = { NULL, 0 }; struct string_list range_list = STRING_LIST_INIT_NODUP; int output_option = 0, opt = 0; @@ -2688,12 +782,15 @@ int cmd_blame(int argc, const char **argv, const char *prefix) blame_date_width = sizeof("2006-10-19"); break; case DATE_RELATIVE: - /* TRANSLATORS: This string is used to tell us the maximum - display width for a relative timestamp in "git blame" - output. For C locale, "4 years, 11 months ago", which - takes 22 places, is the longest among various forms of - relative timestamps, but your language may need more or - fewer display columns. */ + /* + * TRANSLATORS: This string is used to tell us the + * maximum display width for a relative timestamp in + * "git blame" output. For C locale, "4 years, 11 + * months ago", which takes 22 places, is the longest + * among various forms of relative timestamps, but + * your language may need more or fewer display + * columns. + */ blame_date_width = utf8_strwidth(_("4 years, 11 months ago")) + 1; /* add the null */ break; case DATE_NORMAL: @@ -2709,11 +806,6 @@ int cmd_blame(int argc, const char **argv, const char *prefix) opt |= (PICKAXE_BLAME_COPY | PICKAXE_BLAME_MOVE | PICKAXE_BLAME_COPY_HARDER); - if (!blame_move_score) - blame_move_score = BLAME_DEFAULT_MOVE_SCORE; - if (!blame_copy_score) - blame_copy_score = BLAME_DEFAULT_COPY_SCORE; - /* * We have collected options unknown to us in argv[1..unk] * which are to be passed to revision machinery if we are @@ -2766,94 +858,13 @@ int cmd_blame(int argc, const char **argv, const char *prefix) revs.disable_stdin = 1; setup_revisions(argc, argv, &revs, NULL); - memset(&sb, 0, sizeof(sb)); + init_scoreboard(&sb); sb.revs = &revs; - if (!reverse) { - final_commit_name = prepare_final(&sb); - sb.commits.compare = compare_commits_by_commit_date; - } - else if (contents_from) - die(_("--contents and --reverse do not blend well.")); - else { - final_commit_name = prepare_initial(&sb); - sb.commits.compare = compare_commits_by_reverse_commit_date; - if (revs.first_parent_only) - revs.children.name = NULL; - } - - if (!sb.final) { - /* - * "--not A B -- path" without anything positive; - * do not default to HEAD, but use the working tree - * or "--contents". - */ - setup_work_tree(); - sb.final = fake_working_tree_commit(&sb.revs->diffopt, - path, contents_from); - add_pending_object(&revs, &(sb.final->object), ":"); - } - else if (contents_from) - die(_("cannot use --contents with final commit object name")); - - if (reverse && revs.first_parent_only) { - final_commit = find_single_final(sb.revs, NULL); - if (!final_commit) - die(_("--reverse and --first-parent together require specified latest commit")); - } - - /* - * If we have bottom, this will mark the ancestors of the - * bottom commits we would reach while traversing as - * uninteresting. - */ - if (prepare_revision_walk(&revs)) - die(_("revision walk setup failed")); - - if (reverse && revs.first_parent_only) { - struct commit *c = final_commit; - - sb.revs->children.name = "children"; - while (c->parents && - oidcmp(&c->object.oid, &sb.final->object.oid)) { - struct commit_list *l = xcalloc(1, sizeof(*l)); - - l->item = c; - if (add_decoration(&sb.revs->children, - &c->parents->item->object, l)) - die("BUG: not unique item in first-parent chain"); - c = c->parents->item; - } - - if (oidcmp(&c->object.oid, &sb.final->object.oid)) - die(_("--reverse --first-parent together require range along first-parent chain")); - } - - if (is_null_oid(&sb.final->object.oid)) { - o = sb.final->util; - sb.final_buf = xmemdupz(o->file.ptr, o->file.size); - sb.final_buf_size = o->file.size; - } - else { - o = get_origin(&sb, sb.final, path); - if (fill_blob_sha1_and_mode(o)) - die(_("no such path %s in %s"), path, final_commit_name); - - if (DIFF_OPT_TST(&sb.revs->diffopt, ALLOW_TEXTCONV) && - textconv_object(path, o->mode, &o->blob_oid, 1, (char **) &sb.final_buf, - &sb.final_buf_size)) - ; - else - sb.final_buf = read_sha1_file(o->blob_oid.hash, &type, - &sb.final_buf_size); - - if (!sb.final_buf) - die(_("cannot read blob %s for path %s"), - oid_to_hex(&o->blob_oid), - path); - } - num_read_blob++; - lno = prepare_lines(&sb); + sb.contents_from = contents_from; + sb.reverse = reverse; + setup_scoreboard(&sb, path, &o); + lno = sb.num_lines; if (lno && !range_list.nr) string_list_append(&range_list, "1"); @@ -2882,22 +893,13 @@ int cmd_blame(int argc, const char **argv, const char *prefix) for (range_i = ranges.nr; range_i > 0; --range_i) { const struct range *r = &ranges.ranges[range_i - 1]; - long bottom = r->start; - long top = r->end; - struct blame_entry *next = ent; - ent = xcalloc(1, sizeof(*ent)); - ent->lno = bottom; - ent->num_lines = top - bottom; - ent->suspect = o; - ent->s_lno = bottom; - ent->next = next; - origin_incref(o); + ent = blame_entry_prepend(ent, r->start, r->end, o); } o->suspects = ent; prio_queue_put(&sb.commits, o->commit); - origin_decref(o); + blame_origin_decref(o); range_set_release(&ranges); string_list_clear(&range_list, 0); @@ -2905,21 +907,38 @@ int cmd_blame(int argc, const char **argv, const char *prefix) sb.ent = NULL; sb.path = path; + if (blame_move_score) + sb.move_score = blame_move_score; + if (blame_copy_score) + sb.copy_score = blame_copy_score; + + sb.debug = DEBUG; + sb.on_sanity_fail = &sanity_check_on_fail; + + sb.show_root = show_root; + sb.xdl_opts = xdl_opts; + sb.no_whole_file_rename = no_whole_file_rename; + read_mailmap(&mailmap, NULL); + sb.found_guilty_entry = &found_guilty_entry; + sb.found_guilty_entry_data = π + if (show_progress) + pi.progress = start_progress_delay(_("Blaming lines"), + sb.num_lines, 50, 1); + assign_blame(&sb, opt); + stop_progress(&pi.progress); + if (!incremental) setup_pager(); - - free(final_commit_name); - - if (incremental) + else return 0; - sb.ent = blame_sort(sb.ent, compare_blame_final); + blame_sort_final(&sb); - coalesce(&sb); + blame_coalesce(&sb); if (!(output_option & OUTPUT_PORCELAIN)) find_alignment(&sb, &output_option); @@ -2933,9 +952,9 @@ int cmd_blame(int argc, const char **argv, const char *prefix) } if (show_stats) { - printf("num read blob: %d\n", num_read_blob); - printf("num get patch: %d\n", num_get_patch); - printf("num commits: %d\n", num_commits); + printf("num read blob: %d\n", sb.num_read_blob); + printf("num get patch: %d\n", sb.num_get_patch); + printf("num commits: %d\n", sb.num_commits); } return 0; }
diff --git a/builtin/branch.c b/builtin/branch.c index 48a513a..83fcda4 100644 --- a/builtin/branch.c +++ b/builtin/branch.c
@@ -124,7 +124,7 @@ static int branch_merged(int kind, const char *name, (reference_name = reference_name_to_free = resolve_refdup(upstream, RESOLVE_REF_READING, oid.hash, NULL)) != NULL) - reference_rev = lookup_commit_reference(oid.hash); + reference_rev = lookup_commit_reference(&oid); } if (!reference_rev) reference_rev = head_rev; @@ -157,7 +157,7 @@ static int check_branch_commit(const char *branchname, const char *refname, const struct object_id *oid, struct commit *head_rev, int kinds, int force) { - struct commit *rev = lookup_commit_reference(oid->hash); + struct commit *rev = lookup_commit_reference(oid); if (!rev) { error(_("Couldn't look up commit object for '%s'"), refname); return -1; @@ -211,7 +211,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds, } if (!force) { - head_rev = lookup_commit_reference(head_oid.hash); + head_rev = lookup_commit_reference(&head_oid); if (!head_rev) die(_("Couldn't look up commit object for HEAD")); }
diff --git a/builtin/cat-file.c b/builtin/cat-file.c index 1890d7a..4bffd7a 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c
@@ -5,6 +5,7 @@ */ #include "cache.h" #include "builtin.h" +#include "diff.h" #include "parse-options.h" #include "userdiff.h" #include "streaming.h" @@ -61,7 +62,8 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, if (unknown_type) flags |= LOOKUP_UNKNOWN_OBJECT; - if (get_sha1_with_context(obj_name, 0, oid.hash, &obj_context)) + if (get_sha1_with_context(obj_name, GET_SHA1_RECORD_PATH, + oid.hash, &obj_context)) die("Not a valid object name %s", obj_name); if (!path) @@ -165,6 +167,8 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, die("git cat-file %s: bad file", obj_name); write_or_die(1, buf, size); + free(buf); + free(obj_context.path); return 0; }
diff --git a/builtin/check-ignore.c b/builtin/check-ignore.c index 1d73d3c..c7b8c08 100644 --- a/builtin/check-ignore.c +++ b/builtin/check-ignore.c
@@ -4,6 +4,7 @@ #include "quote.h" #include "pathspec.h" #include "parse-options.h" +#include "submodule.h" static int quiet, verbose, stdin_paths, show_non_matching, no_index; static const char * const check_ignore_usage[] = { @@ -87,21 +88,23 @@ static int check_ignore(struct dir_struct *dir, parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC & ~PATHSPEC_FROMTOP, PATHSPEC_SYMLINK_LEADING_PATH | - PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE | PATHSPEC_KEEP_ORDER, prefix, argv); + die_path_inside_submodule(&the_index, &pathspec); + /* * look for pathspecs matching entries in the index, since these * should not be ignored, in order to be consistent with * 'git status', 'git add' etc. */ - seen = find_pathspecs_matching_against_index(&pathspec); + seen = find_pathspecs_matching_against_index(&pathspec, &the_index); for (i = 0; i < pathspec.nr; i++) { full_path = pathspec.items[i].match; exclude = NULL; if (!seen[i]) { - exclude = last_exclude_matching(dir, full_path, &dtype); + exclude = last_exclude_matching(dir, &the_index, + full_path, &dtype); } if (!quiet && (exclude || show_non_matching)) output_exclude(pathspec.items[i].original, exclude);
diff --git a/builtin/checkout.c b/builtin/checkout.c index e289b7d..1624eed 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c
@@ -216,22 +216,24 @@ static int checkout_merged(int pos, const struct checkout *state) /* * NEEDSWORK: * There is absolutely no reason to write this as a blob object - * and create a phony cache entry just to leak. This hack is - * primarily to get to the write_entry() machinery that massages - * the contents to work-tree format and writes out which only - * allows it for a cache entry. The code in write_entry() needs - * to be refactored to allow us to feed a <buffer, size, mode> - * instead of a cache entry. Such a refactoring would help - * merge_recursive as well (it also writes the merge result to the - * object database even when it may contain conflicts). + * and create a phony cache entry. This hack is primarily to get + * to the write_entry() machinery that massages the contents to + * work-tree format and writes out which only allows it for a + * cache entry. The code in write_entry() needs to be refactored + * to allow us to feed a <buffer, size, mode> instead of a cache + * entry. Such a refactoring would help merge_recursive as well + * (it also writes the merge result to the object database even + * when it may contain conflicts). */ if (write_sha1_file(result_buf.ptr, result_buf.size, blob_type, oid.hash)) die(_("Unable to add merge result for '%s'"), path); + free(result_buf.ptr); ce = make_cache_entry(mode, oid.hash, path, 2, 0); if (!ce) die(_("make_cache_entry failed for path '%s'"), path); status = checkout_entry(ce, state, NULL); + free(ce); return status; } @@ -374,7 +376,7 @@ static int checkout_paths(const struct checkout_opts *opts, die(_("unable to write new index file")); read_ref_full("HEAD", 0, rev.hash, NULL); - head = lookup_commit_reference_gently(rev.hash, 1); + head = lookup_commit_reference_gently(&rev, 1); errs |= post_checkout_hook(head, head, 0); return errs; @@ -508,10 +510,10 @@ static int merge_working_tree(const struct checkout_opts *opts, setup_standard_excludes(topts.dir); } tree = parse_tree_indirect(old->commit ? - old->commit->object.oid.hash : - EMPTY_TREE_SHA1_BIN); + &old->commit->object.oid : + &empty_tree_oid); init_tree_desc(&trees[0], tree->buffer, tree->size); - tree = parse_tree_indirect(new->commit->object.oid.hash); + tree = parse_tree_indirect(&new->commit->object.oid); init_tree_desc(&trees[1], tree->buffer, tree->size); ret = unpack_trees(2, trees, &topts); @@ -702,7 +704,7 @@ static int add_pending_uninteresting_ref(const char *refname, const struct object_id *oid, int flags, void *cb_data) { - add_pending_sha1(cb_data, refname, oid->hash, UNINTERESTING); + add_pending_oid(cb_data, refname, oid, UNINTERESTING); return 0; } @@ -788,7 +790,7 @@ static void orphaned_commit_warning(struct commit *old, struct commit *new) add_pending_object(&revs, object, oid_to_hex(&object->oid)); for_each_ref(add_pending_uninteresting_ref, &revs); - add_pending_sha1(&revs, "HEAD", new->object.oid.hash, UNINTERESTING); + add_pending_oid(&revs, "HEAD", &new->object.oid, UNINTERESTING); refs = revs.pending; revs.leak_pending = 1; @@ -815,7 +817,7 @@ static int switch_branches(const struct checkout_opts *opts, memset(&old, 0, sizeof(old)); old.path = path_to_free = resolve_refdup("HEAD", 0, rev.hash, &flag); if (old.path) - old.commit = lookup_commit_reference_gently(rev.hash, 1); + old.commit = lookup_commit_reference_gently(&rev, 1); if (!(flag & REF_ISSYMREF)) old.path = NULL; @@ -1029,10 +1031,10 @@ static int parse_branchname_arg(int argc, const char **argv, else new->path = NULL; /* not an existing branch */ - new->commit = lookup_commit_reference_gently(rev->hash, 1); + new->commit = lookup_commit_reference_gently(rev, 1); if (!new->commit) { /* not a commit */ - *source_tree = parse_tree_indirect(rev->hash); + *source_tree = parse_tree_indirect(rev); } else { parse_commit_or_die(new->commit); *source_tree = new->commit->tree; @@ -1262,9 +1264,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) * new_branch && argc > 1 will be caught later. */ if (opts.new_branch && argc == 1) - die(_("Cannot update paths and switch to branch '%s' at the same time.\n" - "Did you intend to checkout '%s' which can not be resolved as commit?"), - opts.new_branch, argv[0]); + die(_("'%s' is not a commit and a branch '%s' cannot be created from it"), + argv[0], opts.new_branch); if (opts.force_detach) die(_("git checkout: --detach does not take a path argument '%s'"),
diff --git a/builtin/clean.c b/builtin/clean.c index d861f83..142bf66 100644 --- a/builtin/clean.c +++ b/builtin/clean.c
@@ -683,7 +683,7 @@ static int filter_by_patterns_cmd(void) for_each_string_list_item(item, &del_list) { int dtype = DT_UNKNOWN; - if (is_excluded(&dir, item->string, &dtype)) { + if (is_excluded(&dir, &the_index, item->string, &dtype)) { *item->string = '\0'; changed++; } @@ -857,6 +857,38 @@ static void interactive_main_loop(void) } } +static void correct_untracked_entries(struct dir_struct *dir) +{ + int src, dst, ign; + + for (src = dst = ign = 0; src < dir->nr; src++) { + /* skip paths in ignored[] that cannot be inside entries[src] */ + while (ign < dir->ignored_nr && + 0 <= cmp_dir_entry(&dir->entries[src], &dir->ignored[ign])) + ign++; + + if (ign < dir->ignored_nr && + check_dir_entry_contains(dir->entries[src], dir->ignored[ign])) { + /* entries[src] contains an ignored path, so we drop it */ + free(dir->entries[src]); + } else { + struct dir_entry *ent = dir->entries[src++]; + + /* entries[src] does not contain an ignored path, so we keep it */ + dir->entries[dst++] = ent; + + /* then discard paths in entries[] contained inside entries[src] */ + while (src < dir->nr && + check_dir_entry_contains(ent, dir->entries[src])) + free(dir->entries[src++]); + + /* compensate for the outer loop's loop control */ + src--; + } + } + dir->nr = dst; +} + int cmd_clean(int argc, const char **argv, const char *prefix) { int i, res; @@ -916,6 +948,9 @@ int cmd_clean(int argc, const char **argv, const char *prefix) dir.flags |= DIR_SHOW_OTHER_DIRECTORIES; + if (remove_directories) + dir.flags |= DIR_SHOW_IGNORED_TOO | DIR_KEEP_UNTRACKED_CONTENTS; + if (read_cache() < 0) die(_("index file corrupt")); @@ -930,7 +965,8 @@ int cmd_clean(int argc, const char **argv, const char *prefix) PATHSPEC_PREFER_CWD, prefix, argv); - fill_directory(&dir, &pathspec); + fill_directory(&dir, &the_index, &pathspec); + correct_untracked_entries(&dir); for (i = 0; i < dir.nr; i++) { struct dir_entry *ent = dir.entries[i]; @@ -958,6 +994,12 @@ int cmd_clean(int argc, const char **argv, const char *prefix) string_list_append(&del_list, rel); } + for (i = 0; i < dir.nr; i++) + free(dir.entries[i]); + + for (i = 0; i < dir.ignored_nr; i++) + free(dir.ignored[i]); + if (interactive && del_list.nr > 0) interactive_main_loop();
diff --git a/builtin/clone.c b/builtin/clone.c index afab299..743f16a 100644 --- a/builtin/clone.c +++ b/builtin/clone.c
@@ -685,7 +685,7 @@ static void update_head(const struct ref *our, const struct ref *remote, install_branch_config(0, head, option_origin, our->name); } } else if (our) { - struct commit *c = lookup_commit_reference(our->old_oid.hash); + struct commit *c = lookup_commit_reference(&our->old_oid); /* --branch specifies a non-branch (i.e. tags), detach HEAD */ update_ref(msg, "HEAD", c->object.oid.hash, NULL, REF_NODEREF, UPDATE_REFS_DIE_ON_ERR); @@ -742,7 +742,7 @@ static int checkout(int submodule_progress) opts.src_index = &the_index; opts.dst_index = &the_index; - tree = parse_tree_indirect(oid.hash); + tree = parse_tree_indirect(&oid); parse_tree(tree); init_tree_desc(&t, tree->buffer, tree->size); if (unpack_trees(1, &t, &opts) < 0)
diff --git a/builtin/commit-tree.c b/builtin/commit-tree.c index 6050172..f39c2b2 100644 --- a/builtin/commit-tree.c +++ b/builtin/commit-tree.c
@@ -58,7 +58,7 @@ int cmd_commit_tree(int argc, const char **argv, const char *prefix) if (get_sha1_commit(argv[i], oid.hash)) die("Not a valid object name %s", argv[i]); assert_sha1_type(oid.hash, OBJ_COMMIT); - new_parent(lookup_commit(oid.hash), &parents); + new_parent(lookup_commit(&oid), &parents); continue; }
diff --git a/builtin/commit.c b/builtin/commit.c index 9028bfa..da1ba4c 100644 --- a/builtin/commit.c +++ b/builtin/commit.c
@@ -313,7 +313,7 @@ static void create_base_index(const struct commit *current_head) opts.dst_index = &the_index; opts.fn = oneway_merge; - tree = parse_tree_indirect(current_head->object.oid.hash); + tree = parse_tree_indirect(¤t_head->object.oid); if (!tree) die(_("failed to unpack HEAD tree object")); parse_tree(tree); @@ -1434,7 +1434,7 @@ static void print_summary(const char *prefix, const struct object_id *oid, struct strbuf author_ident = STRBUF_INIT; struct strbuf committer_ident = STRBUF_INIT; - commit = lookup_commit(oid->hash); + commit = lookup_commit(oid); if (!commit) die(_("couldn't look up newly created commit")); if (parse_commit(commit)) @@ -1658,7 +1658,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) if (get_sha1("HEAD", oid.hash)) current_head = NULL; else { - current_head = lookup_commit_or_die(oid.hash, "HEAD"); + current_head = lookup_commit_or_die(&oid, "HEAD"); if (parse_commit(current_head)) die(_("could not parse HEAD commit")); } @@ -1739,7 +1739,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) if (verbose || /* Truncate the message just before the diff, if any. */ cleanup_mode == CLEANUP_SCISSORS) - wt_status_truncate_message_at_cut_line(&sb); + strbuf_setlen(&sb, wt_status_locate_end(sb.buf, sb.len)); if (cleanup_mode != CLEANUP_NONE) strbuf_stripspace(&sb, cleanup_mode == CLEANUP_ALL); @@ -1762,7 +1762,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix) append_merge_tag_headers(parents, &tail); } - if (commit_tree_extended(sb.buf, sb.len, active_cache_tree->sha1, + if (commit_tree_extended(sb.buf, sb.len, active_cache_tree->oid.hash, parents, oid.hash, author_ident.buf, sign_commit, extra)) { rollback_index_files(); die(_("failed to write commit object"));
diff --git a/builtin/config.c b/builtin/config.c index 3a554ad..7f6c25d 100644 --- a/builtin/config.c +++ b/builtin/config.c
@@ -496,6 +496,9 @@ int cmd_config(int argc, const char **argv, const char *prefix) usage_with_options(builtin_config_usage, builtin_config_options); } + if (use_local_config && nongit) + die(_("--local can only be used inside a git repository")); + if (given_config_source.file && !strcmp(given_config_source.file, "-")) { given_config_source.file = NULL;
diff --git a/builtin/describe.c b/builtin/describe.c index a5cd8c5..893c878 100644 --- a/builtin/describe.c +++ b/builtin/describe.c
@@ -79,13 +79,13 @@ static int replace_name(struct commit_name *e, struct tag *t; if (!e->tag) { - t = lookup_tag(e->oid.hash); + t = lookup_tag(&e->oid); if (!t || parse_tag(t)) return 1; e->tag = t; } - t = lookup_tag(oid->hash); + t = lookup_tag(oid); if (!t || parse_tag(t)) return 0; *tag = t; @@ -245,7 +245,7 @@ static unsigned long finish_depth_computation( static void display_name(struct commit_name *n) { if (n->prio == 2 && !n->tag) { - n->tag = lookup_tag(n->oid.hash); + n->tag = lookup_tag(&n->oid); if (!n->tag || parse_tag(n->tag)) die(_("annotated tag %s not available"), n->path); } @@ -281,7 +281,7 @@ static void describe(const char *arg, int last_one) if (get_oid(arg, &oid)) die(_("Not a valid object name %s"), arg); - cmit = lookup_commit_reference(oid.hash); + cmit = lookup_commit_reference(&oid); if (!cmit) die(_("%s is not a valid '%s' object"), arg, commit_type); @@ -309,7 +309,7 @@ static void describe(const char *arg, int last_one) struct commit *c; struct commit_name *n = hashmap_iter_first(&names, &iter); for (; n; n = hashmap_iter_next(&iter)) { - c = lookup_commit_reference_gently(n->peeled.hash, 1); + c = lookup_commit_reference_gently(&n->peeled, 1); if (c) c->util = n; }
diff --git a/builtin/diff-files.c b/builtin/diff-files.c index 15c61fd..a572da9 100644 --- a/builtin/diff-files.c +++ b/builtin/diff-files.c
@@ -20,9 +20,9 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix) int result; unsigned options = 0; + git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ init_revisions(&rev, prefix); gitmodules_config(); - git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ rev.abbrev = 0; precompose_argv(argc, argv);
diff --git a/builtin/diff-index.c b/builtin/diff-index.c index 1af373d..f084826 100644 --- a/builtin/diff-index.c +++ b/builtin/diff-index.c
@@ -17,9 +17,9 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix) int i; int result; + git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ init_revisions(&rev, prefix); gitmodules_config(); - git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ rev.abbrev = 0; precompose_argv(argc, argv);
diff --git a/builtin/diff-tree.c b/builtin/diff-tree.c index 326f88b..e401112 100644 --- a/builtin/diff-tree.c +++ b/builtin/diff-tree.c
@@ -9,7 +9,7 @@ static struct rev_info log_tree_opt; static int diff_tree_commit_sha1(const struct object_id *oid) { - struct commit *commit = lookup_commit_reference(oid->hash); + struct commit *commit = lookup_commit_reference(oid); if (!commit) return -1; return log_tree_commit(&log_tree_opt, commit); @@ -23,7 +23,7 @@ static int stdin_diff_commit(struct commit *commit, const char *p) /* Graft the fake parents locally to the commit */ while (isspace(*p++) && !parse_oid_hex(p, &oid, &p)) { - struct commit *parent = lookup_commit(oid.hash); + struct commit *parent = lookup_commit(&oid); if (!pptr) { /* Free the real parent list */ free_commit_list(commit->parents); @@ -44,7 +44,7 @@ static int stdin_diff_trees(struct tree *tree1, const char *p) struct tree *tree2; if (!isspace(*p++) || parse_oid_hex(p, &oid, &p) || *p) return error("Need exactly two trees, separated by a space"); - tree2 = lookup_tree(oid.hash); + tree2 = lookup_tree(&oid); if (!tree2 || parse_tree(tree2)) return -1; printf("%s %s\n", oid_to_hex(&tree1->object.oid), @@ -67,7 +67,7 @@ static int diff_tree_stdin(char *line) line[len-1] = 0; if (parse_oid_hex(line, &oid, &p)) return -1; - obj = parse_object(oid.hash); + obj = parse_object(&oid); if (!obj) return -1; if (obj->type == OBJ_COMMIT) @@ -105,9 +105,9 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) struct setup_revision_opt s_r_opt; int read_stdin = 0; + git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ init_revisions(opt, prefix); gitmodules_config(); - git_config(git_diff_basic_config, NULL); /* no "diff" UI options */ opt->abbrev = 0; opt->diff = 1; opt->disable_stdin = 1;
diff --git a/builtin/diff.c b/builtin/diff.c index d184aaf..0c8f86e 100644 --- a/builtin/diff.c +++ b/builtin/diff.c
@@ -20,23 +20,22 @@ #define DIFF_NO_INDEX_EXPLICIT 1 #define DIFF_NO_INDEX_IMPLICIT 2 -struct blobinfo { - struct object_id oid; - const char *name; - unsigned mode; -}; - static const char builtin_diff_usage[] = "git diff [<options>] [<commit> [<commit>]] [--] [<path>...]"; +static const char *blob_path(struct object_array_entry *entry) +{ + return entry->path ? entry->path : entry->name; +} + static void stuff_change(struct diff_options *opt, unsigned old_mode, unsigned new_mode, const struct object_id *old_oid, const struct object_id *new_oid, int old_oid_valid, int new_oid_valid, - const char *old_name, - const char *new_name) + const char *old_path, + const char *new_path) { struct diff_filespec *one, *two; @@ -47,16 +46,16 @@ static void stuff_change(struct diff_options *opt, if (DIFF_OPT_TST(opt, REVERSE_DIFF)) { SWAP(old_mode, new_mode); SWAP(old_oid, new_oid); - SWAP(old_name, new_name); + SWAP(old_path, new_path); } if (opt->prefix && - (strncmp(old_name, opt->prefix, opt->prefix_length) || - strncmp(new_name, opt->prefix, opt->prefix_length))) + (strncmp(old_path, opt->prefix, opt->prefix_length) || + strncmp(new_path, opt->prefix, opt->prefix_length))) return; - one = alloc_filespec(old_name); - two = alloc_filespec(new_name); + one = alloc_filespec(old_path); + two = alloc_filespec(new_path); fill_filespec(one, old_oid->hash, old_oid_valid, old_mode); fill_filespec(two, new_oid->hash, new_oid_valid, new_mode); @@ -65,7 +64,7 @@ static void stuff_change(struct diff_options *opt, static int builtin_diff_b_f(struct rev_info *revs, int argc, const char **argv, - struct blobinfo *blob) + struct object_array_entry **blob) { /* Blob vs file in the working tree*/ struct stat st; @@ -84,14 +83,15 @@ static int builtin_diff_b_f(struct rev_info *revs, diff_set_mnemonic_prefix(&revs->diffopt, "o/", "w/"); - if (blob[0].mode == S_IFINVALID) - blob[0].mode = canon_mode(st.st_mode); + if (blob[0]->mode == S_IFINVALID) + blob[0]->mode = canon_mode(st.st_mode); stuff_change(&revs->diffopt, - blob[0].mode, canon_mode(st.st_mode), - &blob[0].oid, &null_oid, + blob[0]->mode, canon_mode(st.st_mode), + &blob[0]->item->oid, &null_oid, 1, 0, - path, path); + blob[0]->path ? blob[0]->path : path, + path); diffcore_std(&revs->diffopt); diff_flush(&revs->diffopt); return 0; @@ -99,24 +99,24 @@ static int builtin_diff_b_f(struct rev_info *revs, static int builtin_diff_blobs(struct rev_info *revs, int argc, const char **argv, - struct blobinfo *blob) + struct object_array_entry **blob) { unsigned mode = canon_mode(S_IFREG | 0644); if (argc > 1) usage(builtin_diff_usage); - if (blob[0].mode == S_IFINVALID) - blob[0].mode = mode; + if (blob[0]->mode == S_IFINVALID) + blob[0]->mode = mode; - if (blob[1].mode == S_IFINVALID) - blob[1].mode = mode; + if (blob[1]->mode == S_IFINVALID) + blob[1]->mode = mode; stuff_change(&revs->diffopt, - blob[0].mode, blob[1].mode, - &blob[0].oid, &blob[1].oid, + blob[0]->mode, blob[1]->mode, + &blob[0]->item->oid, &blob[1]->item->oid, 1, 1, - blob[0].name, blob[1].name); + blob_path(blob[0]), blob_path(blob[1])); diffcore_std(&revs->diffopt); diff_flush(&revs->diffopt); return 0; @@ -259,7 +259,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) struct rev_info rev; struct object_array ent = OBJECT_ARRAY_INIT; int blobs = 0, paths = 0; - struct blobinfo blob[2]; + struct object_array_entry *blob[2]; int nongit = 0, no_index = 0; int result = 0; @@ -381,7 +381,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) add_head_to_pending(&rev); if (!rev.pending.nr) { struct tree *tree; - tree = lookup_tree(EMPTY_TREE_SHA1_BIN); + tree = lookup_tree(&empty_tree_oid); add_pending_object(&rev, &tree->object, "HEAD"); } break; @@ -395,7 +395,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) const char *name = entry->name; int flags = (obj->flags & UNINTERESTING); if (!obj->parsed) - obj = parse_object(obj->oid.hash); + obj = parse_object(&obj->oid); obj = deref_tag(obj, NULL, 0); if (!obj) die(_("invalid object '%s' given."), name); @@ -408,9 +408,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix) } else if (obj->type == OBJ_BLOB) { if (2 <= blobs) die(_("more than two blobs given: '%s'"), name); - hashcpy(blob[blobs].oid.hash, obj->oid.hash); - blob[blobs].name = name; - blob[blobs].mode = entry->mode; + blob[blobs] = entry; blobs++; } else {
diff --git a/builtin/difftool.c b/builtin/difftool.c index 1354d0e..b9a892f2 100644 --- a/builtin/difftool.c +++ b/builtin/difftool.c
@@ -226,6 +226,7 @@ static void changed_files(struct hashmap *result, const char *index_path, hashmap_entry_init(entry, strhash(buf.buf)); hashmap_add(result, entry); } + fclose(fp); if (finish_command(&diff_files)) die("diff-files did not exit properly"); strbuf_release(&index_env); @@ -439,8 +440,10 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, } if (lmode && status != 'C') { - if (checkout_path(lmode, &loid, src_path, &lstate)) - return error("could not write '%s'", src_path); + if (checkout_path(lmode, &loid, src_path, &lstate)) { + ret = error("could not write '%s'", src_path); + goto finish; + } } if (rmode && !S_ISLNK(rmode)) { @@ -456,9 +459,12 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, hashmap_add(&working_tree_dups, entry); if (!use_wt_file(workdir, dst_path, &roid)) { - if (checkout_path(rmode, &roid, dst_path, &rstate)) - return error("could not write '%s'", - dst_path); + if (checkout_path(rmode, &roid, dst_path, + &rstate)) { + ret = error("could not write '%s'", + dst_path); + goto finish; + } } else if (!is_null_oid(&roid)) { /* * Changes in the working tree need special @@ -473,10 +479,12 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, ADD_CACHE_JUST_APPEND); add_path(&rdir, rdir_len, dst_path); - if (ensure_leading_directories(rdir.buf)) - return error("could not create " - "directory for '%s'", - dst_path); + if (ensure_leading_directories(rdir.buf)) { + ret = error("could not create " + "directory for '%s'", + dst_path); + goto finish; + } add_path(&wtdir, wtdir_len, dst_path); if (symlinks) { if (symlink(wtdir.buf, rdir.buf)) { @@ -497,13 +505,15 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, } } + fclose(fp); + fp = NULL; if (finish_command(&child)) { ret = error("error occurred running diff --raw"); goto finish; } if (!i) - return 0; + goto finish; /* * Changes to submodules require special treatment.This loop writes a @@ -626,6 +636,9 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix, exit_cleanup(tmpdir, rc); finish: + if (fp) + fclose(fp); + free(lbase_dir); free(rbase_dir); strbuf_release(&ldir);
diff --git a/builtin/fast-export.c b/builtin/fast-export.c index e022063..24e29ad 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c
@@ -232,7 +232,7 @@ static void export_blob(const struct object_id *oid) if (anonymize) { buf = anonymize_blob(&size); - object = (struct object *)lookup_blob(oid->hash); + object = (struct object *)lookup_blob(oid); eaten = 0; } else { buf = read_sha1_file(oid->hash, &type, &size); @@ -240,7 +240,7 @@ static void export_blob(const struct object_id *oid) die ("Could not read blob %s", oid_to_hex(oid)); if (check_sha1_signature(oid->hash, buf, size, typename(type)) < 0) die("sha1 mismatch in blob %s", oid_to_hex(oid)); - object = parse_object_buffer(oid->hash, type, size, buf, &eaten); + object = parse_object_buffer(oid, type, size, buf, &eaten); } if (!object) @@ -734,6 +734,7 @@ static void handle_tag(const char *name, struct tag *tag) oid_to_hex(&tag->object.oid)); case DROP: /* Ignore this tag altogether */ + free(buf); return; case REWRITE: if (tagged->type != OBJ_COMMIT) { @@ -765,6 +766,7 @@ static void handle_tag(const char *name, struct tag *tag) (int)(tagger_end - tagger), tagger, tagger == tagger_end ? "" : "\n", (int)message_size, (int)message_size, message ? message : ""); + free(buf); } static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name) @@ -777,7 +779,7 @@ static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name) /* handle nested tags */ while (tag && tag->object.type == OBJ_TAG) { - parse_object(tag->object.oid.hash); + parse_object(&tag->object.oid); string_list_append(&extra_refs, full_name)->util = tag; tag = (struct tag *)tag->tagged; } @@ -938,7 +940,7 @@ static void import_marks(char *input_file) /* only commits */ continue; - commit = lookup_commit(oid.hash); + commit = lookup_commit(&oid); if (!commit) die("not a commit? can't happen: %s", oid_to_hex(&oid));
diff --git a/builtin/fetch.c b/builtin/fetch.c index c1ec3b0..100248c 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c
@@ -643,8 +643,8 @@ static int update_local_ref(struct ref *ref, return r; } - current = lookup_commit_reference_gently(ref->old_oid.hash, 1); - updated = lookup_commit_reference_gently(ref->new_oid.hash, 1); + current = lookup_commit_reference_gently(&ref->old_oid, 1); + updated = lookup_commit_reference_gently(&ref->new_oid, 1); if (!current || !updated) { const char *msg; const char *what; @@ -777,7 +777,8 @@ static int store_updated_refs(const char *raw_url, const char *remote_name, continue; } - commit = lookup_commit_reference_gently(rm->old_oid.hash, 1); + commit = lookup_commit_reference_gently(&rm->old_oid, + 1); if (!commit) rm->fetch_head_status = FETCH_HEAD_NOT_FOR_MERGE; @@ -947,7 +948,7 @@ static int prune_refs(struct refspec *refs, int ref_count, struct ref *ref_map, for (ref = stale_refs; ref; ref = ref->next) string_list_append(&refnames, ref->name); - result = delete_refs(&refnames, 0); + result = delete_refs("fetch: prune", &refnames, 0); string_list_clear(&refnames, 0); }
diff --git a/builtin/fmt-merge-msg.c b/builtin/fmt-merge-msg.c index 6faa3c0..70137b0 100644 --- a/builtin/fmt-merge-msg.c +++ b/builtin/fmt-merge-msg.c
@@ -341,7 +341,7 @@ static void shortlog(const char *name, const struct object_id *oid = &origin_data->oid; int limit = opts->shortlog_len; - branch = deref_tag(parse_object(oid->hash), oid_to_hex(oid), GIT_SHA1_HEXSZ); + branch = deref_tag(parse_object(oid), oid_to_hex(oid), GIT_SHA1_HEXSZ); if (!branch || branch->type != OBJ_COMMIT) return; @@ -559,14 +559,14 @@ static void find_merge_parents(struct merge_parents *result, * "name" here and we do not want to contaminate its * util field yet. */ - obj = parse_object(oid.hash); + obj = parse_object(&oid); parent = (struct commit *)peel_to_type(NULL, 0, obj, OBJ_COMMIT); if (!parent) continue; commit_list_insert(parent, &parents); add_merge_parent(result, &obj->oid, &parent->object.oid); } - head_commit = lookup_commit(head->hash); + head_commit = lookup_commit(head); if (head_commit) commit_list_insert(head_commit, &parents); parents = reduce_heads(parents); @@ -633,7 +633,7 @@ int fmt_merge_msg(struct strbuf *in, struct strbuf *out, struct commit *head; struct rev_info rev; - head = lookup_commit_or_die(head_oid.hash, "HEAD"); + head = lookup_commit_or_die(&head_oid, "HEAD"); init_revisions(&rev, NULL); rev.commit_format = CMIT_FMT_ONELINE; rev.ignore_merges = 1;
diff --git a/builtin/fsck.c b/builtin/fsck.c index 32a32e5..cb2ba6c 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c
@@ -377,7 +377,7 @@ static int fsck_obj(struct object *obj) return 0; } -static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type, +static int fsck_obj_buffer(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten) { /* @@ -385,10 +385,10 @@ static int fsck_obj_buffer(const unsigned char *sha1, enum object_type type, * verify_packfile(), data_valid variable for details. */ struct object *obj; - obj = parse_object_buffer(sha1, type, size, buffer, eaten); + obj = parse_object_buffer(oid, type, size, buffer, eaten); if (!obj) { errors_found |= ERROR_OBJECT; - return error("%s: object corrupt or missing", sha1_to_hex(sha1)); + return error("%s: object corrupt or missing", oid_to_hex(oid)); } obj->flags = HAS_OBJ; return fsck_obj(obj); @@ -444,7 +444,7 @@ static int fsck_handle_ref(const char *refname, const struct object_id *oid, { struct object *obj; - obj = parse_object(oid->hash); + obj = parse_object(oid); if (!obj) { error("%s: invalid sha1 pointer %s", refname, oid_to_hex(oid)); errors_found |= ERROR_REACHABLE; @@ -506,7 +506,7 @@ static struct object *parse_loose_object(const struct object_id *oid, if (!contents && type != OBJ_BLOB) die("BUG: read_loose_object streamed a non-blob"); - obj = parse_object_buffer(oid->hash, type, size, contents, &eaten); + obj = parse_object_buffer(oid, type, size, contents, &eaten); if (!eaten) free(contents); @@ -599,10 +599,10 @@ static int fsck_cache_tree(struct cache_tree *it) fprintf(stderr, "Checking cache tree\n"); if (0 <= it->entry_count) { - struct object *obj = parse_object(it->sha1); + struct object *obj = parse_object(&it->oid); if (!obj) { error("%s: invalid sha1 pointer in cache-tree", - sha1_to_hex(it->sha1)); + oid_to_hex(&it->oid)); errors_found |= ERROR_REFS; return 1; } @@ -781,7 +781,7 @@ int cmd_fsck(int argc, const char **argv, const char *prefix) mode = active_cache[i]->ce_mode; if (S_ISGITLINK(mode)) continue; - blob = lookup_blob(active_cache[i]->oid.hash); + blob = lookup_blob(&active_cache[i]->oid); if (!blob) continue; obj = &blob->object;
diff --git a/builtin/grep.c b/builtin/grep.c index 454e263..d188871 100644 --- a/builtin/grep.c +++ b/builtin/grep.c
@@ -882,7 +882,7 @@ static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec, if (exc_std) setup_standard_excludes(&dir); - fill_directory(&dir, pathspec); + fill_directory(&dir, &the_index, pathspec); for (i = 0; i < dir.nr; i++) { if (!dir_path_match(dir.entries[i], pathspec, 0, NULL)) continue; @@ -1206,16 +1206,18 @@ int cmd_grep(int argc, const char **argv, const char *prefix) break; } - if (get_sha1_with_context(arg, 0, oid.hash, &oc)) { + if (get_sha1_with_context(arg, GET_SHA1_RECORD_PATH, + oid.hash, &oc)) { if (seen_dashdash) die(_("unable to resolve revision: %s"), arg); break; } - object = parse_object_or_die(oid.hash, arg); + object = parse_object_or_die(&oid, arg); if (!seen_dashdash) verify_non_filename(prefix, arg); add_object_array_with_path(object, arg, &list, oc.mode, oc.path); + free(oc.path); } /*
diff --git a/builtin/index-pack.c b/builtin/index-pack.c index 4ff567d..04b9dca 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c
@@ -747,13 +747,13 @@ static int compare_objects(const unsigned char *buf, unsigned long size, ssize_t len = read_istream(data->st, data->buf, size); if (len == 0) die(_("SHA1 COLLISION FOUND WITH %s !"), - sha1_to_hex(data->entry->idx.sha1)); + oid_to_hex(&data->entry->idx.oid)); if (len < 0) die(_("unable to read %s"), - sha1_to_hex(data->entry->idx.sha1)); + oid_to_hex(&data->entry->idx.oid)); if (memcmp(buf, data->buf, len)) die(_("SHA1 COLLISION FOUND WITH %s !"), - sha1_to_hex(data->entry->idx.sha1)); + oid_to_hex(&data->entry->idx.oid)); size -= len; buf += len; } @@ -771,12 +771,12 @@ static int check_collison(struct object_entry *entry) memset(&data, 0, sizeof(data)); data.entry = entry; - data.st = open_istream(entry->idx.sha1, &type, &size, NULL); + data.st = open_istream(entry->idx.oid.hash, &type, &size, NULL); if (!data.st) return -1; if (size != entry->size || type != entry->type) die(_("SHA1 COLLISION FOUND WITH %s !"), - sha1_to_hex(entry->idx.sha1)); + oid_to_hex(&entry->idx.oid)); unpack_data(entry, compare_objects, &data); close_istream(data.st); free(data.buf); @@ -785,7 +785,7 @@ static int check_collison(struct object_entry *entry) static void sha1_object(const void *data, struct object_entry *obj_entry, unsigned long size, enum object_type type, - const unsigned char *sha1) + const struct object_id *oid) { void *new_data = NULL; int collision_test_needed = 0; @@ -794,7 +794,7 @@ static void sha1_object(const void *data, struct object_entry *obj_entry, if (startup_info->have_repository) { read_lock(); - collision_test_needed = has_sha1_file_with_flags(sha1, HAS_SHA1_QUICK); + collision_test_needed = has_sha1_file_with_flags(oid->hash, HAS_SHA1_QUICK); read_unlock(); } @@ -809,31 +809,31 @@ static void sha1_object(const void *data, struct object_entry *obj_entry, enum object_type has_type; unsigned long has_size; read_lock(); - has_type = sha1_object_info(sha1, &has_size); + has_type = sha1_object_info(oid->hash, &has_size); if (has_type < 0) - die(_("cannot read existing object info %s"), sha1_to_hex(sha1)); + die(_("cannot read existing object info %s"), oid_to_hex(oid)); if (has_type != type || has_size != size) - die(_("SHA1 COLLISION FOUND WITH %s !"), sha1_to_hex(sha1)); - has_data = read_sha1_file(sha1, &has_type, &has_size); + die(_("SHA1 COLLISION FOUND WITH %s !"), oid_to_hex(oid)); + has_data = read_sha1_file(oid->hash, &has_type, &has_size); read_unlock(); if (!data) data = new_data = get_data_from_pack(obj_entry); if (!has_data) - die(_("cannot read existing object %s"), sha1_to_hex(sha1)); + die(_("cannot read existing object %s"), oid_to_hex(oid)); if (size != has_size || type != has_type || memcmp(data, has_data, size) != 0) - die(_("SHA1 COLLISION FOUND WITH %s !"), sha1_to_hex(sha1)); + die(_("SHA1 COLLISION FOUND WITH %s !"), oid_to_hex(oid)); free(has_data); } if (strict) { read_lock(); if (type == OBJ_BLOB) { - struct blob *blob = lookup_blob(sha1); + struct blob *blob = lookup_blob(oid); if (blob) blob->object.flags |= FLAG_CHECKED; else - die(_("invalid blob object %s"), sha1_to_hex(sha1)); + die(_("invalid blob object %s"), oid_to_hex(oid)); } else { struct object *obj; int eaten; @@ -845,7 +845,8 @@ static void sha1_object(const void *data, struct object_entry *obj_entry, * we do not need to free the memory here, as the * buf is deleted by the caller. */ - obj = parse_object_buffer(sha1, type, size, buf, &eaten); + obj = parse_object_buffer(oid, type, size, buf, + &eaten); if (!obj) die(_("invalid %s"), typename(type)); if (do_fsck_object && @@ -957,9 +958,10 @@ static void resolve_delta(struct object_entry *delta_obj, if (!result->data) bad_object(delta_obj->idx.offset, _("failed to apply delta")); hash_sha1_file(result->data, result->size, - typename(delta_obj->real_type), delta_obj->idx.sha1); + typename(delta_obj->real_type), + delta_obj->idx.oid.hash); sha1_object(result->data, NULL, result->size, delta_obj->real_type, - delta_obj->idx.sha1); + &delta_obj->idx.oid); counter_lock(); nr_resolved_deltas++; counter_unlock(); @@ -989,7 +991,7 @@ static struct base_data *find_unresolved_deltas_1(struct base_data *base, struct base_data *prev_base) { if (base->ref_last == -1 && base->ofs_last == -1) { - find_ref_delta_children(base->obj->idx.sha1, + find_ref_delta_children(base->obj->idx.oid.hash, &base->ref_first, &base->ref_last, OBJ_REF_DELTA); @@ -1130,7 +1132,8 @@ static void parse_pack_objects(unsigned char *sha1) for (i = 0; i < nr_objects; i++) { struct object_entry *obj = &objects[i]; void *data = unpack_raw_entry(obj, &ofs_delta->offset, - ref_delta_sha1, obj->idx.sha1); + ref_delta_sha1, + obj->idx.oid.hash); obj->real_type = obj->type; if (obj->type == OBJ_OFS_DELTA) { nr_ofs_deltas++; @@ -1146,7 +1149,8 @@ static void parse_pack_objects(unsigned char *sha1) obj->real_type = OBJ_BAD; nr_delays++; } else - sha1_object(data, NULL, obj->size, obj->type, obj->idx.sha1); + sha1_object(data, NULL, obj->size, obj->type, + &obj->idx.oid); free(data); display_progress(progress, i+1); } @@ -1172,7 +1176,8 @@ static void parse_pack_objects(unsigned char *sha1) if (obj->real_type != OBJ_BAD) continue; obj->real_type = obj->type; - sha1_object(NULL, obj, obj->size, obj->type, obj->idx.sha1); + sha1_object(NULL, obj, obj->size, obj->type, + &obj->idx.oid); nr_delays--; } if (nr_delays) @@ -1330,7 +1335,7 @@ static struct object_entry *append_obj_to_pack(struct sha1file *f, obj[1].idx.offset += write_compressed(f, buf, size); obj[0].idx.crc32 = crc32_end(f); sha1flush(f); - hashcpy(obj->idx.sha1, sha1); + hashcpy(obj->idx.oid.hash, sha1); return obj; } @@ -1581,13 +1586,14 @@ static void show_pack_info(int stat_only) if (stat_only) continue; printf("%s %-6s %lu %lu %"PRIuMAX, - sha1_to_hex(obj->idx.sha1), + oid_to_hex(&obj->idx.oid), typename(obj->real_type), obj->size, (unsigned long)(obj[1].idx.offset - obj->idx.offset), (uintmax_t)obj->idx.offset); if (is_delta_type(obj->type)) { struct object_entry *bobj = &objects[obj_stat[i].base_object_no]; - printf(" %u %s", obj_stat[i].delta_depth, sha1_to_hex(bobj->idx.sha1)); + printf(" %u %s", obj_stat[i].delta_depth, + oid_to_hex(&bobj->idx.oid)); } putchar('\n'); }
diff --git a/builtin/log.c b/builtin/log.c index 631fbc9..e89ec94 100644 --- a/builtin/log.c +++ b/builtin/log.c
@@ -483,16 +483,20 @@ static int show_blob_object(const struct object_id *oid, struct rev_info *rev, c !DIFF_OPT_TST(&rev->diffopt, ALLOW_TEXTCONV)) return stream_blob_to_fd(1, oid, NULL, 0); - if (get_sha1_with_context(obj_name, 0, oidc.hash, &obj_context)) + if (get_sha1_with_context(obj_name, GET_SHA1_RECORD_PATH, + oidc.hash, &obj_context)) die(_("Not a valid object name %s"), obj_name); - if (!obj_context.path[0] || - !textconv_object(obj_context.path, obj_context.mode, &oidc, 1, &buf, &size)) + if (!obj_context.path || + !textconv_object(obj_context.path, obj_context.mode, &oidc, 1, &buf, &size)) { + free(obj_context.path); return stream_blob_to_fd(1, oid, NULL, 0); + } if (!buf) die(_("git show %s: bad file"), obj_name); write_or_die(1, buf, size); + free(obj_context.path); return 0; } @@ -596,7 +600,7 @@ int cmd_show(int argc, const char **argv, const char *prefix) rev.shown_one = 1; if (ret) break; - o = parse_object(t->tagged->oid.hash); + o = parse_object(&t->tagged->oid); if (!o) ret = error(_("Could not read object %s"), oid_to_hex(&t->tagged->oid)); @@ -878,8 +882,8 @@ static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids) o2 = rev->pending.objects[1].item; flags1 = o1->flags; flags2 = o2->flags; - c1 = lookup_commit_reference(o1->oid.hash); - c2 = lookup_commit_reference(o2->oid.hash); + c1 = lookup_commit_reference(&o1->oid); + c2 = lookup_commit_reference(&o2->oid); if ((flags1 & UNINTERESTING) == (flags2 & UNINTERESTING)) die(_("Not a range.")); @@ -1263,7 +1267,7 @@ static struct commit *get_base_commit(const char *base_commit, if (get_oid(upstream, &oid)) die(_("Failed to resolve '%s' as a valid ref."), upstream); - commit = lookup_commit_or_die(oid.hash, "upstream base"); + commit = lookup_commit_or_die(&oid, "upstream base"); base_list = get_merge_bases_many(commit, total, list); /* There should be one and only one merge base. */ if (!base_list || base_list->next) @@ -1819,7 +1823,7 @@ static int add_pending_commit(const char *arg, struct rev_info *revs, int flags) { struct object_id oid; if (get_oid(arg, &oid) == 0) { - struct commit *commit = lookup_commit_reference(oid.hash); + struct commit *commit = lookup_commit_reference(&oid); if (commit) { commit->object.flags |= flags; add_pending_object(revs, &commit->object, arg);
diff --git a/builtin/ls-files.c b/builtin/ls-files.c index a6c70db..b376afc 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c
@@ -97,7 +97,7 @@ static void show_dir_entry(const char *tag, struct dir_entry *ent) { int len = max_prefix_len; - if (len >= ent->len) + if (len > ent->len) die("git ls-files: internal error - directory entry not superset of prefix"); if (!dir_path_match(ent, &pathspec, len, ps_matched)) @@ -238,7 +238,7 @@ static void show_ce_entry(const char *tag, const struct cache_entry *ce) strbuf_addstr(&name, super_prefix); strbuf_addstr(&name, ce->name); - if (len >= ce_namelen(ce)) + if (len > ce_namelen(ce)) die("git ls-files: internal error - cache entry not superset of prefix"); if (recurse_submodules && S_ISGITLINK(ce->ce_mode) && @@ -322,7 +322,7 @@ static void show_ru_info(void) static int ce_excluded(struct dir_struct *dir, const struct cache_entry *ce) { int dtype = ce_to_dtype(ce); - return is_excluded(dir, ce->name, &dtype); + return is_excluded(dir, &the_index, ce->name, &dtype); } static void show_files(struct dir_struct *dir) @@ -333,7 +333,7 @@ static void show_files(struct dir_struct *dir) if (show_others || show_killed) { if (!show_others) dir->flags |= DIR_COLLECT_KILLED_ONLY; - fill_directory(dir, &pathspec); + fill_directory(dir, &the_index, &pathspec); if (show_others) show_other_files(dir); if (show_killed) @@ -403,6 +403,25 @@ static void prune_cache(const char *prefix, size_t prefixlen) active_nr = last - pos; } +static int get_common_prefix_len(const char *common_prefix) +{ + int common_prefix_len; + + if (!common_prefix) + return 0; + + common_prefix_len = strlen(common_prefix); + + /* + * If the prefix has a trailing slash, strip it so that submodules wont + * be pruned from the index. + */ + if (common_prefix[common_prefix_len - 1] == '/') + common_prefix_len--; + + return common_prefix_len; +} + /* * Read the tree specified with --with-tree option * (typically, HEAD) into stage #1 and then @@ -414,14 +433,14 @@ static void prune_cache(const char *prefix, size_t prefixlen) void overlay_tree_on_cache(const char *tree_name, const char *prefix) { struct tree *tree; - unsigned char sha1[20]; + struct object_id oid; struct pathspec pathspec; struct cache_entry *last_stage0 = NULL; int i; - if (get_sha1(tree_name, sha1)) + if (get_oid(tree_name, &oid)) die("tree-ish %s not found.", tree_name); - tree = parse_tree_indirect(sha1); + tree = parse_tree_indirect(&oid); if (!tree) die("bad tree-ish %s", tree_name); @@ -624,8 +643,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) "--error-unmatch"); parse_pathspec(&pathspec, 0, - PATHSPEC_PREFER_CWD | - PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP, + PATHSPEC_PREFER_CWD, prefix, argv); /* @@ -637,7 +655,9 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) max_prefix = NULL; else max_prefix = common_prefix(&pathspec); - max_prefix_len = max_prefix ? strlen(max_prefix) : 0; + max_prefix_len = get_common_prefix_len(max_prefix); + + prune_cache(max_prefix, max_prefix_len); /* Treat unmatching pathspec elements as errors */ if (pathspec.nr && error_unmatch) @@ -651,7 +671,6 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix) show_killed || show_modified || show_resolve_undo)) show_cached = 1; - prune_cache(max_prefix, max_prefix_len); if (with_tree) { /* * Basic sanity check; show-stages and show-unmerged
diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c index d7ebeb4..ee7b293 100644 --- a/builtin/ls-tree.c +++ b/builtin/ls-tree.c
@@ -119,7 +119,7 @@ static int show_tree(const unsigned char *sha1, struct strbuf *base, int cmd_ls_tree(int argc, const char **argv, const char *prefix) { - unsigned char sha1[20]; + struct object_id oid; struct tree *tree; int i, full_tree = 0; const struct option ls_tree_options[] = { @@ -164,7 +164,7 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) if (argc < 1) usage_with_options(ls_tree_usage, ls_tree_options); - if (get_sha1(argv[0], sha1)) + if (get_oid(argv[0], &oid)) die("Not a valid object name %s", argv[0]); /* @@ -180,7 +180,7 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) for (i = 0; i < pathspec.nr; i++) pathspec.items[i].nowildcard_len = pathspec.items[i].len; pathspec.has_wildcard = 0; - tree = parse_tree_indirect(sha1); + tree = parse_tree_indirect(&oid); if (!tree) die("not a tree object"); return !!read_tree_recursive(tree, "", 0, 0, &pathspec, show_tree, NULL);
diff --git a/builtin/mailsplit.c b/builtin/mailsplit.c index 3068168..664400b 100644 --- a/builtin/mailsplit.c +++ b/builtin/mailsplit.c
@@ -232,6 +232,16 @@ static int split_mbox(const char *file, const char *dir, int allow_bare, do { peek = fgetc(f); + if (peek == EOF) { + if (f == stdin) + /* empty stdin is OK */ + ret = skip; + else { + fclose(f); + error(_("empty mbox: '%s'"), file); + } + goto out; + } } while (isspace(peek)); ungetc(peek, f);
diff --git a/builtin/merge-base.c b/builtin/merge-base.c index 8ed9639..0c36a70 100644 --- a/builtin/merge-base.c +++ b/builtin/merge-base.c
@@ -41,7 +41,7 @@ static struct commit *get_commit_reference(const char *arg) if (get_oid(arg, &revkey)) die("Not a valid object name %s", arg); - r = lookup_commit_reference(revkey.hash); + r = lookup_commit_reference(&revkey); if (!r) die("Not a valid commit name %s", arg); @@ -120,7 +120,7 @@ static void add_one_commit(struct object_id *oid, struct rev_collect *revs) if (is_null_oid(oid)) return; - commit = lookup_commit(oid->hash); + commit = lookup_commit(oid); if (!commit || (commit->object.flags & TMP_MARK) || parse_commit(commit)) @@ -168,7 +168,7 @@ static int handle_fork_point(int argc, const char **argv) if (get_oid(commitname, &oid)) die("Not a valid object name: '%s'", commitname); - derived = lookup_commit_reference(oid.hash); + derived = lookup_commit_reference(&oid); memset(&revs, 0, sizeof(revs)); revs.initial = 1; for_each_reflog_ent(refname, collect_one_reflog_ent, &revs);
diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c index 5b7ab9b..bad6735 100644 --- a/builtin/merge-tree.c +++ b/builtin/merge-tree.c
@@ -161,14 +161,14 @@ static int both_empty(struct name_entry *a, struct name_entry *b) return !(a->oid || b->oid); } -static struct merge_list *create_entry(unsigned stage, unsigned mode, const unsigned char *sha1, const char *path) +static struct merge_list *create_entry(unsigned stage, unsigned mode, const struct object_id *oid, const char *path) { struct merge_list *res = xcalloc(1, sizeof(*res)); res->stage = stage; res->path = path; res->mode = mode; - res->blob = lookup_blob(sha1); + res->blob = lookup_blob(oid); return res; } @@ -188,8 +188,8 @@ static void resolve(const struct traverse_info *info, struct name_entry *ours, s return; path = traverse_path(info, result); - orig = create_entry(2, ours->mode, ours->oid->hash, path); - final = create_entry(0, result->mode, result->oid->hash, path); + orig = create_entry(2, ours->mode, ours->oid, path); + final = create_entry(0, result->mode, result->oid, path); final->link = orig; @@ -239,7 +239,7 @@ static struct merge_list *link_entry(unsigned stage, const struct traverse_info path = entry->path; else path = traverse_path(info, n); - link = create_entry(stage, n->mode, n->oid->hash, path); + link = create_entry(stage, n->mode, n->oid, path); link->link = entry; return link; }
diff --git a/builtin/merge.c b/builtin/merge.c index 703827f..a4a098f 100644 --- a/builtin/merge.c +++ b/builtin/merge.c
@@ -605,13 +605,13 @@ static int read_tree_trivial(struct object_id *common, struct object_id *head, opts.verbose_update = 1; opts.trivial_merges_only = 1; opts.merge = 1; - trees[nr_trees] = parse_tree_indirect(common->hash); + trees[nr_trees] = parse_tree_indirect(common); if (!trees[nr_trees++]) return -1; - trees[nr_trees] = parse_tree_indirect(head->hash); + trees[nr_trees] = parse_tree_indirect(head); if (!trees[nr_trees++]) return -1; - trees[nr_trees] = parse_tree_indirect(one->hash); + trees[nr_trees] = parse_tree_indirect(one); if (!trees[nr_trees++]) return -1; opts.fn = threeway_merge; @@ -1123,7 +1123,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!branch || is_null_oid(&head_oid)) head_commit = NULL; else - head_commit = lookup_commit_or_die(head_oid.hash, "HEAD"); + head_commit = lookup_commit_or_die(&head_oid, "HEAD"); init_diff_ui_defaults(); git_config(git_merge_config, NULL); @@ -1372,8 +1372,8 @@ int cmd_merge(int argc, const char **argv, const char *prefix) goto done; } - if (checkout_fast_forward(head_commit->object.oid.hash, - commit->object.oid.hash, + if (checkout_fast_forward(&head_commit->object.oid, + &commit->object.oid, overwrite_ignore)) { ret = 1; goto done;
diff --git a/builtin/mktree.c b/builtin/mktree.c index de9b40f..da0fd8c 100644 --- a/builtin/mktree.c +++ b/builtin/mktree.c
@@ -72,7 +72,7 @@ static void mktree_line(char *buf, size_t len, int nul_term_line, int allow_miss unsigned mode; enum object_type mode_type; /* object type derived from mode */ enum object_type obj_type; /* object type derived from sha */ - char *path; + char *path, *to_free = NULL; unsigned char sha1[20]; ptr = buf; @@ -102,7 +102,7 @@ static void mktree_line(char *buf, size_t len, int nul_term_line, int allow_miss struct strbuf p_uq = STRBUF_INIT; if (unquote_c_style(&p_uq, path, NULL)) die("invalid quoting"); - path = strbuf_detach(&p_uq, NULL); + path = to_free = strbuf_detach(&p_uq, NULL); } /* @@ -136,6 +136,7 @@ static void mktree_line(char *buf, size_t len, int nul_term_line, int allow_miss } append_to_tree(mode, sha1, path); + free(to_free); } int cmd_mktree(int ac, const char **av, const char *prefix)
diff --git a/builtin/name-rev.c b/builtin/name-rev.c index 4437475..7fc7e66 100644 --- a/builtin/name-rev.c +++ b/builtin/name-rev.c
@@ -13,21 +13,61 @@ typedef struct rev_name { timestamp_t taggerdate; int generation; int distance; + int from_tag; } rev_name; -static long cutoff = LONG_MAX; +static timestamp_t cutoff = TIME_MAX; /* How many generations are maximally preferred over _one_ merge traversal? */ #define MERGE_TRAVERSAL_WEIGHT 65535 +static int is_better_name(struct rev_name *name, + const char *tip_name, + timestamp_t taggerdate, + int generation, + int distance, + int from_tag) +{ + /* + * When comparing names based on tags, prefer names + * based on the older tag, even if it is farther away. + */ + if (from_tag && name->from_tag) + return (name->taggerdate > taggerdate || + (name->taggerdate == taggerdate && + name->distance > distance)); + + /* + * We know that at least one of them is a non-tag at this point. + * favor a tag over a non-tag. + */ + if (name->from_tag != from_tag) + return from_tag; + + /* + * We are now looking at two non-tags. Tiebreak to favor + * shorter hops. + */ + if (name->distance != distance) + return name->distance > distance; + + /* ... or tiebreak to favor older date */ + if (name->taggerdate != taggerdate) + return name->taggerdate > taggerdate; + + /* keep the current one if we cannot decide */ + return 0; +} + static void name_rev(struct commit *commit, const char *tip_name, timestamp_t taggerdate, - int generation, int distance, + int generation, int distance, int from_tag, int deref) { struct rev_name *name = (struct rev_name *)commit->util; struct commit_list *parents; int parent_number = 1; + char *to_free = NULL; parse_commit(commit); @@ -35,7 +75,7 @@ static void name_rev(struct commit *commit, return; if (deref) { - tip_name = xstrfmt("%s^0", tip_name); + tip_name = to_free = xstrfmt("%s^0", tip_name); if (generation) die("generation: %d, but deref?", generation); @@ -45,16 +85,18 @@ static void name_rev(struct commit *commit, name = xmalloc(sizeof(rev_name)); commit->util = name; goto copy_data; - } else if (name->taggerdate > taggerdate || - (name->taggerdate == taggerdate && - name->distance > distance)) { + } else if (is_better_name(name, tip_name, taggerdate, + generation, distance, from_tag)) { copy_data: name->tip_name = tip_name; name->taggerdate = taggerdate; name->generation = generation; name->distance = distance; - } else + name->from_tag = from_tag; + } else { + free(to_free); return; + } for (parents = commit->parents; parents; @@ -72,10 +114,12 @@ static void name_rev(struct commit *commit, parent_number); name_rev(parents->item, new_name, taggerdate, 0, - distance + MERGE_TRAVERSAL_WEIGHT, 0); + distance + MERGE_TRAVERSAL_WEIGHT, + from_tag, 0); } else { name_rev(parents->item, tip_name, taggerdate, - generation + 1, distance + 1, 0); + generation + 1, distance + 1, + from_tag, 0); } } } @@ -114,7 +158,7 @@ struct name_ref_data { static struct tip_table { struct tip_table_entry { - unsigned char sha1[20]; + struct object_id oid; const char *refname; } *table; int nr; @@ -122,13 +166,13 @@ static struct tip_table { int sorted; } tip_table; -static void add_to_tip_table(const unsigned char *sha1, const char *refname, +static void add_to_tip_table(const struct object_id *oid, const char *refname, int shorten_unambiguous) { refname = name_ref_abbrev(refname, shorten_unambiguous); ALLOC_GROW(tip_table.table, tip_table.nr + 1, tip_table.alloc); - hashcpy(tip_table.table[tip_table.nr].sha1, sha1); + oidcpy(&tip_table.table[tip_table.nr].oid, oid); tip_table.table[tip_table.nr].refname = xstrdup(refname); tip_table.nr++; tip_table.sorted = 0; @@ -137,12 +181,12 @@ static void add_to_tip_table(const unsigned char *sha1, const char *refname, static int tipcmp(const void *a_, const void *b_) { const struct tip_table_entry *a = a_, *b = b_; - return hashcmp(a->sha1, b->sha1); + return oidcmp(&a->oid, &b->oid); } static int name_ref(const char *path, const struct object_id *oid, int flags, void *cb_data) { - struct object *o = parse_object(oid->hash); + struct object *o = parse_object(oid); struct name_ref_data *data = cb_data; int can_abbreviate_output = data->tags_only && data->name_only; int deref = 0; @@ -194,21 +238,25 @@ static int name_ref(const char *path, const struct object_id *oid, int flags, vo return 0; } - add_to_tip_table(oid->hash, path, can_abbreviate_output); + add_to_tip_table(oid, path, can_abbreviate_output); while (o && o->type == OBJ_TAG) { struct tag *t = (struct tag *) o; if (!t->tagged) break; /* broken repository */ - o = parse_object(t->tagged->oid.hash); + o = parse_object(&t->tagged->oid); deref = 1; taggerdate = t->date; } if (o && o->type == OBJ_COMMIT) { struct commit *commit = (struct commit *)o; + int from_tag = starts_with(path, "refs/tags/"); + if (taggerdate == ULONG_MAX) + taggerdate = ((struct commit *)o)->date; path = name_ref_abbrev(path, can_abbreviate_output); - name_rev(commit, xstrdup(path), taggerdate, 0, 0, deref); + name_rev(commit, xstrdup(path), taggerdate, 0, 0, + from_tag, deref); } return 0; } @@ -216,7 +264,7 @@ static int name_ref(const char *path, const struct object_id *oid, int flags, vo static const unsigned char *nth_tip_table_ent(size_t ix, void *table_) { struct tip_table_entry *table = table_; - return table[ix].sha1; + return table[ix].oid.hash; } static const char *get_exact_ref_match(const struct object *o) @@ -301,9 +349,9 @@ static void name_rev_line(char *p, struct name_ref_data *data) #define ishex(x) (isdigit((x)) || ((x) >= 'a' && (x) <= 'f')) if (!ishex(*p)) forty = 0; - else if (++forty == 40 && + else if (++forty == GIT_SHA1_HEXSZ && !ishex(*(p+1))) { - unsigned char sha1[40]; + struct object_id oid; const char *name = NULL; char c = *(p+1); int p_len = p - p_start + 1; @@ -311,9 +359,9 @@ static void name_rev_line(char *p, struct name_ref_data *data) forty = 0; *(p+1) = 0; - if (!get_sha1(p - 39, sha1)) { + if (!get_oid(p - (GIT_SHA1_HEXSZ - 1), &oid)) { struct object *o = - lookup_object(sha1); + lookup_object(oid.hash); if (o) name = get_rev_name(o, &buf); } @@ -323,7 +371,7 @@ static void name_rev_line(char *p, struct name_ref_data *data) continue; if (data->name_only) - printf("%.*s%s", p_len - 40, p_start, name); + printf("%.*s%s", p_len - GIT_SHA1_HEXSZ, p_start, name); else printf("%.*s (%s)", p_len, p_start, name); p_start = p + 1; @@ -374,18 +422,18 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) cutoff = 0; for (; argc; argc--, argv++) { - unsigned char sha1[20]; + struct object_id oid; struct object *object; struct commit *commit; - if (get_sha1(*argv, sha1)) { + if (get_oid(*argv, &oid)) { fprintf(stderr, "Could not get sha1 for %s. Skipping.\n", *argv); continue; } commit = NULL; - object = parse_object(sha1); + object = parse_object(&oid); if (object) { struct object *peeled = deref_tag(object, *argv, 0); if (peeled && peeled->type == OBJ_COMMIT)
diff --git a/builtin/notes.c b/builtin/notes.c index 7b89147..7196bff 100644 --- a/builtin/notes.c +++ b/builtin/notes.c
@@ -340,8 +340,10 @@ static struct notes_tree *init_notes_check(const char *subcommand, ref = (flags & NOTES_INIT_WRITABLE) ? t->update_ref : t->ref; if (!starts_with(ref, "refs/notes/")) - /* TRANSLATORS: the first %s will be replaced by a - git notes command: 'add', 'merge', 'remove', etc.*/ + /* + * TRANSLATORS: the first %s will be replaced by a git + * notes command: 'add', 'merge', 'remove', etc. + */ die(_("refusing to %s notes in %s (outside of refs/notes/)"), subcommand, ref); return t; @@ -706,7 +708,7 @@ static int merge_commit(struct notes_merge_options *o) if (get_oid("NOTES_MERGE_PARTIAL", &oid)) die(_("failed to read ref NOTES_MERGE_PARTIAL")); - else if (!(partial = lookup_commit_reference(oid.hash))) + else if (!(partial = lookup_commit_reference(&oid))) die(_("could not find commit from NOTES_MERGE_PARTIAL.")); else if (parse_commit(partial)) die(_("could not parse commit from NOTES_MERGE_PARTIAL."));
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index efa21a1..f672225 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c
@@ -106,12 +106,14 @@ static void *get_delta(struct object_entry *entry) void *buf, *base_buf, *delta_buf; enum object_type type; - buf = read_sha1_file(entry->idx.sha1, &type, &size); + buf = read_sha1_file(entry->idx.oid.hash, &type, &size); if (!buf) - die("unable to read %s", sha1_to_hex(entry->idx.sha1)); - base_buf = read_sha1_file(entry->delta->idx.sha1, &type, &base_size); + die("unable to read %s", oid_to_hex(&entry->idx.oid)); + base_buf = read_sha1_file(entry->delta->idx.oid.hash, &type, + &base_size); if (!base_buf) - die("unable to read %s", sha1_to_hex(entry->delta->idx.sha1)); + die("unable to read %s", + oid_to_hex(&entry->delta->idx.oid)); delta_buf = diff_delta(base_buf, base_size, buf, size, &delta_size, 0); if (!delta_buf || delta_size != entry->delta_size) @@ -249,12 +251,14 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent if (!usable_delta) { if (entry->type == OBJ_BLOB && entry->size > big_file_threshold && - (st = open_istream(entry->idx.sha1, &type, &size, NULL)) != NULL) + (st = open_istream(entry->idx.oid.hash, &type, &size, NULL)) != NULL) buf = NULL; else { - buf = read_sha1_file(entry->idx.sha1, &type, &size); + buf = read_sha1_file(entry->idx.oid.hash, &type, + &size); if (!buf) - die(_("unable to read %s"), sha1_to_hex(entry->idx.sha1)); + die(_("unable to read %s"), + oid_to_hex(&entry->idx.oid)); } /* * make sure no cached delta data remains from a @@ -322,7 +326,7 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent return 0; } sha1write(f, header, hdrlen); - sha1write(f, entry->delta->idx.sha1, 20); + sha1write(f, entry->delta->idx.oid.hash, 20); hdrlen += 20; } else { if (limit && hdrlen + datalen + 20 >= limit) { @@ -334,7 +338,7 @@ static unsigned long write_no_reuse_object(struct sha1file *f, struct object_ent sha1write(f, header, hdrlen); } if (st) { - datalen = write_large_blob_data(st, f, entry->idx.sha1); + datalen = write_large_blob_data(st, f, entry->idx.oid.hash); close_istream(st); } else { sha1write(f, buf, datalen); @@ -369,7 +373,8 @@ static off_t write_reuse_object(struct sha1file *f, struct object_entry *entry, datalen = revidx[1].offset - offset; if (!pack_to_stdout && p->index_version > 1 && check_pack_crc(p, &w_curs, offset, datalen, revidx->nr)) { - error("bad packed object CRC for %s", sha1_to_hex(entry->idx.sha1)); + error("bad packed object CRC for %s", + oid_to_hex(&entry->idx.oid)); unuse_pack(&w_curs); return write_no_reuse_object(f, entry, limit, usable_delta); } @@ -379,7 +384,8 @@ static off_t write_reuse_object(struct sha1file *f, struct object_entry *entry, if (!pack_to_stdout && p->index_version == 1 && check_pack_inflate(p, &w_curs, offset, datalen, entry->size)) { - error("corrupt packed object for %s", sha1_to_hex(entry->idx.sha1)); + error("corrupt packed object for %s", + oid_to_hex(&entry->idx.oid)); unuse_pack(&w_curs); return write_no_reuse_object(f, entry, limit, usable_delta); } @@ -404,7 +410,7 @@ static off_t write_reuse_object(struct sha1file *f, struct object_entry *entry, return 0; } sha1write(f, header, hdrlen); - sha1write(f, entry->delta->idx.sha1, 20); + sha1write(f, entry->delta->idx.oid.hash, 20); hdrlen += 20; reused_delta++; } else { @@ -509,7 +515,7 @@ static enum write_one_status write_one(struct sha1file *f, recursing = (e->idx.offset == 1); if (recursing) { warning("recursive delta detected for object %s", - sha1_to_hex(e->idx.sha1)); + oid_to_hex(&e->idx.oid)); return WRITE_ONE_RECURSIVE; } else if (e->idx.offset || e->preferred_base) { /* offset is non zero if object is written already. */ @@ -1432,7 +1438,7 @@ static void check_object(struct object_entry *entry) ofs += 1; if (!ofs || MSB(ofs, 7)) { error("delta base offset overflow in pack for %s", - sha1_to_hex(entry->idx.sha1)); + oid_to_hex(&entry->idx.oid)); goto give_up; } c = buf[used_0++]; @@ -1441,7 +1447,7 @@ static void check_object(struct object_entry *entry) ofs = entry->in_pack_offset - ofs; if (ofs <= 0 || ofs >= entry->in_pack_offset) { error("delta base offset out of bound for %s", - sha1_to_hex(entry->idx.sha1)); + oid_to_hex(&entry->idx.oid)); goto give_up; } if (reuse_delta && !entry->preferred_base) { @@ -1498,7 +1504,7 @@ static void check_object(struct object_entry *entry) unuse_pack(&w_curs); } - entry->type = sha1_object_info(entry->idx.sha1, &entry->size); + entry->type = sha1_object_info(entry->idx.oid.hash, &entry->size); /* * The error condition is checked in prepare_pack(). This is * to permit a missing preferred base object to be ignored @@ -1514,7 +1520,7 @@ static int pack_offset_sort(const void *_a, const void *_b) /* avoid filesystem trashing with loose objects */ if (!a->in_pack && !b->in_pack) - return hashcmp(a->idx.sha1, b->idx.sha1); + return oidcmp(&a->idx.oid, &b->idx.oid); if (a->in_pack < b->in_pack) return -1; @@ -1560,7 +1566,8 @@ static void drop_reused_delta(struct object_entry *entry) * And if that fails, the error will be recorded in entry->type * and dealt with in prepare_pack(). */ - entry->type = sha1_object_info(entry->idx.sha1, &entry->size); + entry->type = sha1_object_info(entry->idx.oid.hash, + &entry->size); } } @@ -1852,26 +1859,29 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, /* Load data if not already done */ if (!trg->data) { read_lock(); - trg->data = read_sha1_file(trg_entry->idx.sha1, &type, &sz); + trg->data = read_sha1_file(trg_entry->idx.oid.hash, &type, + &sz); read_unlock(); if (!trg->data) die("object %s cannot be read", - sha1_to_hex(trg_entry->idx.sha1)); + oid_to_hex(&trg_entry->idx.oid)); if (sz != trg_size) die("object %s inconsistent object length (%lu vs %lu)", - sha1_to_hex(trg_entry->idx.sha1), sz, trg_size); + oid_to_hex(&trg_entry->idx.oid), sz, + trg_size); *mem_usage += sz; } if (!src->data) { read_lock(); - src->data = read_sha1_file(src_entry->idx.sha1, &type, &sz); + src->data = read_sha1_file(src_entry->idx.oid.hash, &type, + &sz); read_unlock(); if (!src->data) { if (src_entry->preferred_base) { static int warned = 0; if (!warned++) warning("object %s cannot be read", - sha1_to_hex(src_entry->idx.sha1)); + oid_to_hex(&src_entry->idx.oid)); /* * Those objects are not included in the * resulting pack. Be resilient and ignore @@ -1881,11 +1891,12 @@ static int try_delta(struct unpacked *trg, struct unpacked *src, return 0; } die("object %s cannot be read", - sha1_to_hex(src_entry->idx.sha1)); + oid_to_hex(&src_entry->idx.oid)); } if (sz != src_size) die("object %s inconsistent object length (%lu vs %lu)", - sha1_to_hex(src_entry->idx.sha1), sz, src_size); + oid_to_hex(&src_entry->idx.oid), sz, + src_size); *mem_usage += sz; } if (!src->index) { @@ -2337,7 +2348,7 @@ static void add_tag_chain(const struct object_id *oid) if (packlist_find(&to_pack, oid->hash, NULL)) return; - tag = lookup_tag(oid->hash); + tag = lookup_tag(oid); while (1) { if (!tag || parse_tag(tag) || !tag->tagged) die("unable to pack objects reachable from tag %s", @@ -2406,7 +2417,7 @@ static void prepare_pack(int window, int depth) nr_deltas++; if (entry->type < 0) die("unable to get type of object %s", - sha1_to_hex(entry->idx.sha1)); + oid_to_hex(&entry->idx.oid)); } else { if (entry->type < 0) { /* @@ -2719,7 +2730,11 @@ static void loosen_unused_packed_objects(struct rev_info *revs) */ static int pack_options_allow_reuse(void) { - return pack_to_stdout && allow_ofs_delta; + return pack_to_stdout && + allow_ofs_delta && + !ignore_packed_keep && + (!local || !have_non_local_packs) && + !incremental; } static int get_object_list_from_bitmap(struct rev_info *revs) @@ -2779,10 +2794,10 @@ static void get_object_list(int ac, const char **av) continue; } if (starts_with(line, "--shallow ")) { - unsigned char sha1[20]; - if (get_sha1_hex(line + 10, sha1)) + struct object_id oid; + if (get_oid_hex(line + 10, &oid)) die("not an SHA-1 '%s'", line + 10); - register_shallow(sha1); + register_shallow(&oid); use_bitmap_index = 0; continue; }
diff --git a/builtin/pack-redundant.c b/builtin/pack-redundant.c index 72c8158..cb1df1c 100644 --- a/builtin/pack-redundant.c +++ b/builtin/pack-redundant.c
@@ -442,6 +442,7 @@ static void minimize(struct pack_list **min) /* return if there are no objects missing from the unique set */ if (missing->size == 0) { *min = unique; + free(missing); return; }
diff --git a/builtin/prune.c b/builtin/prune.c index 8dcfecd..f0e2bff 100644 --- a/builtin/prune.c +++ b/builtin/prune.c
@@ -123,11 +123,12 @@ int cmd_prune(int argc, const char **argv, const char *prefix) die(_("cannot prune in a precious-objects repo")); while (argc--) { - unsigned char sha1[20]; + struct object_id oid; const char *name = *argv++; - if (!get_sha1(name, sha1)) { - struct object *object = parse_object_or_die(sha1, name); + if (!get_oid(name, &oid)) { + struct object *object = parse_object_or_die(&oid, + name); add_pending_object(&revs, object, ""); } else
diff --git a/builtin/pull.c b/builtin/pull.c index dd1a4a9..da8b60f 100644 --- a/builtin/pull.c +++ b/builtin/pull.c
@@ -523,7 +523,7 @@ static int pull_into_void(const struct object_id *merge_head, * index/worktree changes that the user already made on the unborn * branch. */ - if (checkout_fast_forward(EMPTY_TREE_SHA1_BIN, merge_head->hash, 0)) + if (checkout_fast_forward(&empty_tree_oid, merge_head, 0)) return 1; if (update_ref("initial pull", "HEAD", merge_head->hash, curr_head->hash, 0, UPDATE_REFS_DIE_ON_ERR)) @@ -698,10 +698,10 @@ static int get_octopus_merge_base(struct object_id *merge_base, { struct commit_list *revs = NULL, *result; - commit_list_insert(lookup_commit_reference(curr_head->hash), &revs); - commit_list_insert(lookup_commit_reference(merge_head->hash), &revs); + commit_list_insert(lookup_commit_reference(curr_head), &revs); + commit_list_insert(lookup_commit_reference(merge_head), &revs); if (!is_null_oid(fork_point)) - commit_list_insert(lookup_commit_reference(fork_point->hash), &revs); + commit_list_insert(lookup_commit_reference(fork_point), &revs); result = reduce_heads(get_octopus_merge_bases(revs)); free_commit_list(revs); @@ -772,6 +772,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix) struct oid_array merge_heads = OID_ARRAY_INIT; struct object_id orig_head, curr_head; struct object_id rebase_fork_point; + int autostash; if (!getenv("GIT_REFLOG_ACTION")) set_reflog_message(argc, argv); @@ -800,8 +801,8 @@ int cmd_pull(int argc, const char **argv, const char *prefix) if (!opt_rebase && opt_autostash != -1) die(_("--[no-]autostash option is only valid with --rebase.")); + autostash = config_autostash; if (opt_rebase) { - int autostash = config_autostash; if (opt_autostash != -1) autostash = opt_autostash; @@ -839,7 +840,7 @@ int cmd_pull(int argc, const char **argv, const char *prefix) "fast-forwarding your working tree from\n" "commit %s."), oid_to_hex(&orig_head)); - if (checkout_fast_forward(orig_head.hash, curr_head.hash, 0)) + if (checkout_fast_forward(&orig_head, &curr_head, 0)) die(_("Cannot fast-forward your working tree.\n" "After making sure that you saved anything precious from\n" "$ git diff %s\n" @@ -862,16 +863,18 @@ int cmd_pull(int argc, const char **argv, const char *prefix) die(_("Cannot rebase onto multiple branches.")); if (opt_rebase) { - struct commit_list *list = NULL; - struct commit *merge_head, *head; + if (!autostash) { + struct commit_list *list = NULL; + struct commit *merge_head, *head; - head = lookup_commit_reference(orig_head.hash); - commit_list_insert(head, &list); - merge_head = lookup_commit_reference(merge_heads.oid[0].hash); - if (is_descendant_of(merge_head, list)) { - /* we can fast-forward this without invoking rebase */ - opt_ff = "--ff-only"; - return run_merge(); + head = lookup_commit_reference(&orig_head); + commit_list_insert(head, &list); + merge_head = lookup_commit_reference(&merge_heads.oid[0]); + if (is_descendant_of(merge_head, list)) { + /* we can fast-forward this without invoking rebase */ + opt_ff = "--ff-only"; + return run_merge(); + } } return run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point); } else {
diff --git a/builtin/read-tree.c b/builtin/read-tree.c index 7fd5514..5bfd4c9 100644 --- a/builtin/read-tree.c +++ b/builtin/read-tree.c
@@ -22,13 +22,13 @@ static int nr_trees; static int read_empty; static struct tree *trees[MAX_UNPACK_TREES]; -static int list_tree(unsigned char *sha1) +static int list_tree(struct object_id *oid) { struct tree *tree; if (nr_trees >= MAX_UNPACK_TREES) die("I cannot read more than %d trees", MAX_UNPACK_TREES); - tree = parse_tree_indirect(sha1); + tree = parse_tree_indirect(oid); if (!tree) return -1; trees[nr_trees++] = tree; @@ -111,7 +111,7 @@ static struct lock_file lock_file; int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) { int i, stage = 0; - unsigned char sha1[20]; + struct object_id oid; struct tree_desc t[MAX_UNPACK_TREES]; struct unpack_trees_options opts; int prefix_set = 0; @@ -190,13 +190,13 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) for (i = 0; i < argc; i++) { const char *arg = argv[i]; - if (get_sha1(arg, sha1)) + if (get_oid(arg, &oid)) die("Not a valid object name %s", arg); - if (list_tree(sha1) < 0) + if (list_tree(&oid) < 0) die("failed to unpack tree object %s", arg); stage++; } - if (nr_trees == 0 && !read_empty) + if (!nr_trees && !read_empty && !opts.merge) warning("read-tree: emptying the index with no arguments is deprecated; use --empty"); else if (nr_trees > 0 && read_empty) die("passing trees as arguments contradicts --empty"); @@ -212,9 +212,10 @@ int cmd_read_tree(int argc, const char **argv, const char *unused_prefix) setup_work_tree(); if (opts.merge) { - if (stage < 2) - die("just how do you expect me to merge %d trees?", stage-1); switch (stage - 1) { + case 0: + die("you must specify at least one tree to merge"); + break; case 1: opts.fn = opts.prefix ? bind_merge : oneway_merge; break;
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index 1b29975..b1706a5 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c
@@ -900,7 +900,7 @@ static int update_shallow_ref(struct command *cmd, struct shallow_info *si) * not lose these new roots.. */ for (i = 0; i < extra.nr; i++) - register_shallow(extra.oid[i].hash); + register_shallow(&extra.oid[i]); si->shallow_ref[cmd->index] = 0; oid_array_clear(&extra); @@ -1028,7 +1028,8 @@ static const char *update(struct command *cmd, struct shallow_info *si) { const char *name = cmd->ref_name; struct strbuf namespaced_name_buf = STRBUF_INIT; - const char *namespaced_name, *ret; + static char *namespaced_name; + const char *ret; struct object_id *old_oid = &cmd->old_oid; struct object_id *new_oid = &cmd->new_oid; @@ -1039,6 +1040,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) } strbuf_addf(&namespaced_name_buf, "%s%s", get_git_namespace(), name); + free(namespaced_name); namespaced_name = strbuf_detach(&namespaced_name_buf, NULL); if (is_ref_checked_out(namespaced_name)) { @@ -1100,8 +1102,8 @@ static const char *update(struct command *cmd, struct shallow_info *si) struct object *old_object, *new_object; struct commit *old_commit, *new_commit; - old_object = parse_object(old_oid->hash); - new_object = parse_object(new_oid->hash); + old_object = parse_object(old_oid); + new_object = parse_object(new_oid); if (!old_object || !new_object || old_object->type != OBJ_COMMIT || @@ -1124,7 +1126,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) if (is_null_oid(new_oid)) { struct strbuf err = STRBUF_INIT; - if (!parse_object(old_oid->hash)) { + if (!parse_object(old_oid)) { old_oid = NULL; if (ref_exists(name)) { rp_warning("Allowing deletion of corrupt ref.");
diff --git a/builtin/reflog.c b/builtin/reflog.c index 4228d9f..920c16d 100644 --- a/builtin/reflog.c +++ b/builtin/reflog.c
@@ -55,14 +55,14 @@ struct collect_reflog_cb { #define STUDYING (1u<<11) #define REACHABLE (1u<<12) -static int tree_is_complete(const unsigned char *sha1) +static int tree_is_complete(const struct object_id *oid) { struct tree_desc desc; struct name_entry entry; int complete; struct tree *tree; - tree = lookup_tree(sha1); + tree = lookup_tree(oid); if (!tree) return 0; if (tree->object.flags & SEEN) @@ -73,7 +73,7 @@ static int tree_is_complete(const unsigned char *sha1) if (!tree->buffer) { enum object_type type; unsigned long size; - void *data = read_sha1_file(sha1, &type, &size); + void *data = read_sha1_file(oid->hash, &type, &size); if (!data) { tree->object.flags |= INCOMPLETE; return 0; @@ -85,7 +85,7 @@ static int tree_is_complete(const unsigned char *sha1) complete = 1; while (tree_entry(&desc, &entry)) { if (!has_sha1_file(entry.oid->hash) || - (S_ISDIR(entry.mode) && !tree_is_complete(entry.oid->hash))) { + (S_ISDIR(entry.mode) && !tree_is_complete(entry.oid))) { tree->object.flags |= INCOMPLETE; complete = 0; } @@ -126,7 +126,7 @@ static int commit_is_complete(struct commit *commit) struct commit_list *parent; c = (struct commit *)study.objects[--study.nr].item; - if (!c->object.parsed && !parse_object(c->object.oid.hash)) + if (!c->object.parsed && !parse_object(&c->object.oid)) c->object.flags |= INCOMPLETE; if (c->object.flags & INCOMPLETE) { @@ -152,7 +152,7 @@ static int commit_is_complete(struct commit *commit) for (i = 0; i < found.nr; i++) { struct commit *c = (struct commit *)found.objects[i].item; - if (!tree_is_complete(c->tree->object.oid.hash)) { + if (!tree_is_complete(&c->tree->object.oid)) { is_incomplete = 1; c->object.flags |= INCOMPLETE; } @@ -186,13 +186,13 @@ static int commit_is_complete(struct commit *commit) return !is_incomplete; } -static int keep_entry(struct commit **it, unsigned char *sha1) +static int keep_entry(struct commit **it, struct object_id *oid) { struct commit *commit; - if (is_null_sha1(sha1)) + if (is_null_oid(oid)) return 1; - commit = lookup_commit_reference_gently(sha1, 1); + commit = lookup_commit_reference_gently(oid, 1); if (!commit) return 0; @@ -251,17 +251,17 @@ static void mark_reachable(struct expire_reflog_policy_cb *cb) cb->mark_list = leftover; } -static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit, unsigned char *sha1) +static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit, struct object_id *oid) { /* * We may or may not have the commit yet - if not, look it * up using the supplied sha1. */ if (!commit) { - if (is_null_sha1(sha1)) + if (is_null_oid(oid)) return 0; - commit = lookup_commit_reference_gently(sha1, 1); + commit = lookup_commit_reference_gently(oid, 1); /* Not a commit -- keep it */ if (!commit) @@ -283,7 +283,7 @@ static int unreachable(struct expire_reflog_policy_cb *cb, struct commit *commit /* * Return true iff the specified reflog entry should be expired. */ -static int should_expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1, +static int should_expire_reflog_ent(struct object_id *ooid, struct object_id *noid, const char *email, timestamp_t timestamp, int tz, const char *message, void *cb_data) { @@ -295,13 +295,13 @@ static int should_expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1, old = new = NULL; if (cb->cmd.stalefix && - (!keep_entry(&old, osha1) || !keep_entry(&new, nsha1))) + (!keep_entry(&old, ooid) || !keep_entry(&new, noid))) return 1; if (timestamp < cb->cmd.expire_unreachable) { if (cb->unreachable_expire_kind == UE_ALWAYS) return 1; - if (unreachable(cb, old, osha1) || unreachable(cb, new, nsha1)) + if (unreachable(cb, old, ooid) || unreachable(cb, new, noid)) return 1; } @@ -318,7 +318,7 @@ static int push_tip_to_list(const char *refname, const struct object_id *oid, struct commit *tip_commit; if (flags & REF_ISSYMREF) return 0; - tip_commit = lookup_commit_reference_gently(oid->hash, 1); + tip_commit = lookup_commit_reference_gently(oid, 1); if (!tip_commit) return 0; commit_list_insert(tip_commit, list); @@ -326,7 +326,7 @@ static int push_tip_to_list(const char *refname, const struct object_id *oid, } static void reflog_expiry_prepare(const char *refname, - const unsigned char *sha1, + const struct object_id *oid, void *cb_data) { struct expire_reflog_policy_cb *cb = cb_data; @@ -335,7 +335,7 @@ static void reflog_expiry_prepare(const char *refname, cb->tip_commit = NULL; cb->unreachable_expire_kind = UE_HEAD; } else { - cb->tip_commit = lookup_commit_reference_gently(sha1, 1); + cb->tip_commit = lookup_commit_reference_gently(oid, 1); if (!cb->tip_commit) cb->unreachable_expire_kind = UE_ALWAYS; else
diff --git a/builtin/remote.c b/builtin/remote.c index addf97a..f1a88fe 100644 --- a/builtin/remote.c +++ b/builtin/remote.c
@@ -786,7 +786,7 @@ static int rm(int argc, const char **argv) strbuf_release(&buf); if (!result) - result = delete_refs(&branches, REF_NODEREF); + result = delete_refs("remote: remove", &branches, REF_NODEREF); string_list_clear(&branches, 0); if (skipped.nr) { @@ -1151,8 +1151,11 @@ static int show(int argc, const char **argv) url_nr = states.remote->url_nr; } for (i = 0; i < url_nr; i++) - /* TRANSLATORS: the colon ':' should align with - the one in " Fetch URL: %s" translation */ + /* + * TRANSLATORS: the colon ':' should align + * with the one in " Fetch URL: %s" + * translation. + */ printf_ln(_(" Push URL: %s"), url[i]); if (!i) printf_ln(_(" Push URL: %s"), _("(no URL)")); @@ -1301,7 +1304,7 @@ static int prune_remote(const char *remote, int dry_run) string_list_sort(&refs_to_prune); if (!dry_run) - result |= delete_refs(&refs_to_prune, 0); + result |= delete_refs("remote: prune", &refs_to_prune, 0); for_each_string_list_item(item, &states.stale) { const char *refname = item->util;
diff --git a/builtin/replace.c b/builtin/replace.c index ab17668..c921bc9 100644 --- a/builtin/replace.c +++ b/builtin/replace.c
@@ -328,7 +328,7 @@ static void replace_parents(struct strbuf *buf, int argc, const char **argv) struct object_id oid; if (get_oid(argv[i], &oid) < 0) die(_("Not a valid object name: '%s'"), argv[i]); - lookup_commit_or_die(oid.hash, argv[i]); + lookup_commit_or_die(&oid, argv[i]); strbuf_addf(&new_parents, "parent %s\n", oid_to_hex(&oid)); } @@ -355,7 +355,7 @@ static void check_one_mergetag(struct commit *commit, int i; hash_sha1_file(extra->value, extra->len, typename(OBJ_TAG), tag_oid.hash); - tag = lookup_tag(tag_oid.hash); + tag = lookup_tag(&tag_oid); if (!tag) die(_("bad mergetag in commit '%s'"), ref); if (parse_tag_buffer(tag, extra->value, extra->len)) @@ -394,7 +394,7 @@ static int create_graft(int argc, const char **argv, int force) if (get_oid(old_ref, &old) < 0) die(_("Not a valid object name: '%s'"), old_ref); - commit = lookup_commit_or_die(old.hash, old_ref); + commit = lookup_commit_or_die(&old, old_ref); buffer = get_commit_buffer(commit, &size); strbuf_add(&buf, buffer, size);
diff --git a/builtin/reset.c b/builtin/reset.c index 585cfe0..45001e5 100644 --- a/builtin/reset.c +++ b/builtin/reset.c
@@ -86,7 +86,7 @@ static int reset_index(const struct object_id *oid, int reset_type, int quiet) return -1; if (reset_type == MIXED || reset_type == HARD) { - tree = parse_tree_indirect(oid->hash); + tree = parse_tree_indirect(oid); prime_cache_tree(&the_index, tree); } @@ -156,7 +156,7 @@ static int read_from_tree(const struct pathspec *pathspec, opt.format_callback = update_index_from_diff; opt.format_callback_data = &intent_to_add; - if (do_diff_cache(tree_oid->hash, &opt)) + if (do_diff_cache(tree_oid, &opt)) return 1; diffcore_std(&opt); diff_flush(&opt); @@ -238,7 +238,6 @@ static void parse_args(struct pathspec *pathspec, parse_pathspec(pathspec, 0, PATHSPEC_PREFER_FULL | - PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP | (patch_mode ? PATHSPEC_PREFIX_ORIGIN : 0), prefix, argv); } @@ -318,7 +317,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) struct commit *commit; if (get_sha1_committish(rev, oid.hash)) die(_("Failed to resolve '%s' as a valid revision."), rev); - commit = lookup_commit_reference(oid.hash); + commit = lookup_commit_reference(&oid); if (!commit) die(_("Could not parse object '%s'."), rev); oidcpy(&oid, &commit->object.oid); @@ -326,7 +325,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) struct tree *tree; if (get_sha1_treeish(rev, oid.hash)) die(_("Failed to resolve '%s' as a valid tree."), rev); - tree = parse_tree_indirect(oid.hash); + tree = parse_tree_indirect(&oid); if (!tree) die(_("Could not parse object '%s'."), rev); oidcpy(&oid, &tree->object.oid); @@ -395,7 +394,7 @@ int cmd_reset(int argc, const char **argv, const char *prefix) update_ref_status = reset_refs(rev, &oid); if (reset_type == HARD && !update_ref_status && !quiet) - print_new_head_line(lookup_commit_reference(oid.hash)); + print_new_head_line(lookup_commit_reference(&oid)); } if (!pathspec.nr) remove_branch_state();
diff --git a/builtin/rev-list.c b/builtin/rev-list.c index 3b292c9..718c605 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c
@@ -181,7 +181,7 @@ static void finish_object(struct object *obj, const char *name, void *cb_data) if (obj->type == OBJ_BLOB && !has_object_file(&obj->oid)) die("missing blob object '%s'", oid_to_hex(&obj->oid)); if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT) - parse_object(obj->oid.hash); + parse_object(&obj->oid); } static void show_object(struct object *obj, const char *name, void *cb_data)
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index b450900..efdc144 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c
@@ -121,7 +121,7 @@ static void show_with_type(int type, const char *arg) } /* Output a revision, only if filter allows it */ -static void show_rev(int type, const unsigned char *sha1, const char *name) +static void show_rev(int type, const struct object_id *oid, const char *name) { if (!(filter & DO_REVS)) return; @@ -129,10 +129,10 @@ static void show_rev(int type, const unsigned char *sha1, const char *name) if ((symbolic || abbrev_ref) && name) { if (symbolic == SHOW_SYMBOLIC_FULL || abbrev_ref) { - unsigned char discard[20]; + struct object_id discard; char *full; - switch (dwim_ref(name, strlen(name), discard, &full)) { + switch (dwim_ref(name, strlen(name), discard.hash, &full)) { case 0: /* * Not found -- not a ref. We could @@ -158,9 +158,9 @@ static void show_rev(int type, const unsigned char *sha1, const char *name) } } else if (abbrev) - show_with_type(type, find_unique_abbrev(sha1, abbrev)); + show_with_type(type, find_unique_abbrev(oid->hash, abbrev)); else - show_with_type(type, sha1_to_hex(sha1)); + show_with_type(type, oid_to_hex(oid)); } /* Output a flag, only if filter allows it. */ @@ -180,11 +180,11 @@ static int show_default(void) const char *s = def; if (s) { - unsigned char sha1[20]; + struct object_id oid; def = NULL; - if (!get_sha1(s, sha1)) { - show_rev(NORMAL, sha1, s); + if (!get_oid(s, &oid)) { + show_rev(NORMAL, &oid, s); return 1; } } @@ -195,19 +195,19 @@ static int show_reference(const char *refname, const struct object_id *oid, int { if (ref_excluded(ref_excludes, refname)) return 0; - show_rev(NORMAL, oid->hash, refname); + show_rev(NORMAL, oid, refname); return 0; } static int anti_reference(const char *refname, const struct object_id *oid, int flag, void *cb_data) { - show_rev(REVERSED, oid->hash, refname); + show_rev(REVERSED, oid, refname); return 0; } static int show_abbrev(const struct object_id *oid, void *cb_data) { - show_rev(NORMAL, oid->hash, NULL); + show_rev(NORMAL, oid, NULL); return 0; } @@ -242,8 +242,8 @@ static int show_file(const char *arg, int output_prefix) static int try_difference(const char *arg) { char *dotdot; - unsigned char sha1[20]; - unsigned char end[20]; + struct object_id oid; + struct object_id end; const char *next; const char *this; int symmetric; @@ -273,18 +273,18 @@ static int try_difference(const char *arg) return 0; } - if (!get_sha1_committish(this, sha1) && !get_sha1_committish(next, end)) { - show_rev(NORMAL, end, next); - show_rev(symmetric ? NORMAL : REVERSED, sha1, this); + if (!get_sha1_committish(this, oid.hash) && !get_sha1_committish(next, end.hash)) { + show_rev(NORMAL, &end, next); + show_rev(symmetric ? NORMAL : REVERSED, &oid, this); if (symmetric) { struct commit_list *exclude; struct commit *a, *b; - a = lookup_commit_reference(sha1); - b = lookup_commit_reference(end); + a = lookup_commit_reference(&oid); + b = lookup_commit_reference(&end); exclude = get_merge_bases(a, b); while (exclude) { struct commit *commit = pop_commit(&exclude); - show_rev(REVERSED, commit->object.oid.hash, NULL); + show_rev(REVERSED, &commit->object.oid, NULL); } } *dotdot = '.'; @@ -297,7 +297,7 @@ static int try_difference(const char *arg) static int try_parent_shorthands(const char *arg) { char *dotdot; - unsigned char sha1[20]; + struct object_id oid; struct commit *commit; struct commit_list *parents; int parent_number; @@ -327,12 +327,12 @@ static int try_parent_shorthands(const char *arg) return 0; *dotdot = 0; - if (get_sha1_committish(arg, sha1)) { + if (get_sha1_committish(arg, oid.hash)) { *dotdot = '^'; return 0; } - commit = lookup_commit_reference(sha1); + commit = lookup_commit_reference(&oid); if (exclude_parent && exclude_parent > commit_list_count(commit->parents)) { *dotdot = '^'; @@ -340,7 +340,7 @@ static int try_parent_shorthands(const char *arg) } if (include_rev) - show_rev(NORMAL, sha1, arg); + show_rev(NORMAL, &oid, arg); for (parents = commit->parents, parent_number = 1; parents; parents = parents->next, parent_number++) { @@ -352,7 +352,7 @@ static int try_parent_shorthands(const char *arg) if (symbolic) name = xstrfmt("%s^%d", arg, parent_number); show_rev(include_parents ? NORMAL : REVERSED, - parents->item->object.oid.hash, name); + &parents->item->object.oid, name); free(name); } @@ -571,7 +571,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) int did_repo_setup = 0; int has_dashdash = 0; int output_prefix = 0; - unsigned char sha1[20]; + struct object_id oid; unsigned int flags = 0; const char *name = NULL; struct object_context unused; @@ -910,11 +910,11 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) name++; type = REVERSED; } - if (!get_sha1_with_context(name, flags, sha1, &unused)) { + if (!get_sha1_with_context(name, flags, oid.hash, &unused)) { if (verify) revs_count++; else - show_rev(type, sha1, name); + show_rev(type, &oid, name); continue; } if (verify) @@ -929,7 +929,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) strbuf_release(&buf); if (verify) { if (revs_count == 1) { - show_rev(type, sha1, name); + show_rev(type, &oid, name); return 0; } else if (revs_count == 0 && show_default()) return 0;
diff --git a/builtin/rm.c b/builtin/rm.c index fb79dca..b39f10f 100644 --- a/builtin/rm.c +++ b/builtin/rm.c
@@ -129,7 +129,7 @@ static int check_local_mod(struct object_id *head, int index_only) ce = active_cache[pos]; if (lstat(ce->name, &st) < 0) { - if (errno != ENOENT && errno != ENOTDIR) + if (!is_missing_file_error(errno)) warning_errno(_("failed to stat '%s'"), ce->name); /* It already vanished from the working tree */ continue; @@ -271,8 +271,7 @@ int cmd_rm(int argc, const char **argv, const char *prefix) die(_("index file corrupt")); parse_pathspec(&pathspec, 0, - PATHSPEC_PREFER_CWD | - PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP, + PATHSPEC_PREFER_CWD, prefix, argv); refresh_index(&the_index, REFRESH_QUIET, &pathspec, NULL, NULL);
diff --git a/builtin/show-branch.c b/builtin/show-branch.c index 8860f42..4a6cc6f 100644 --- a/builtin/show-branch.c +++ b/builtin/show-branch.c
@@ -358,7 +358,7 @@ static void sort_ref_range(int bottom, int top) static int append_ref(const char *refname, const struct object_id *oid, int allow_dups) { - struct commit *commit = lookup_commit_reference_gently(oid->hash, 1); + struct commit *commit = lookup_commit_reference_gently(oid, 1); int i; if (!commit) @@ -816,7 +816,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) MAX_REVS), MAX_REVS); if (get_sha1(ref_name[num_rev], revkey.hash)) die(_("'%s' is not a valid ref."), ref_name[num_rev]); - commit = lookup_commit_reference(revkey.hash); + commit = lookup_commit_reference(&revkey); if (!commit) die(_("cannot find commit %s (%s)"), ref_name[num_rev], oid_to_hex(&revkey));
diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index 566a5b6..8cc648d 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c
@@ -233,8 +233,7 @@ static int module_list_compute(int argc, const char **argv, int i, result = 0; char *ps_matched = NULL; parse_pathspec(pathspec, 0, - PATHSPEC_PREFER_FULL | - PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP, + PATHSPEC_PREFER_FULL, prefix, argv); if (pathspec->nr)
diff --git a/builtin/tag.c b/builtin/tag.c index bdf1e88..1f74a56 100644 --- a/builtin/tag.c +++ b/builtin/tag.c
@@ -66,7 +66,7 @@ static int list_tags(struct ref_filter *filter, struct ref_sorting *sorting, con } typedef int (*each_tag_name_fn)(const char *name, const char *ref, - const unsigned char *sha1, const void *cb_data); + const struct object_id *oid, const void *cb_data); static int for_each_tag_name(const char **argv, each_tag_name_fn fn, const void *cb_data) @@ -74,17 +74,17 @@ static int for_each_tag_name(const char **argv, each_tag_name_fn fn, const char **p; struct strbuf ref = STRBUF_INIT; int had_error = 0; - unsigned char sha1[20]; + struct object_id oid; for (p = argv; *p; p++) { strbuf_reset(&ref); strbuf_addf(&ref, "refs/tags/%s", *p); - if (read_ref(ref.buf, sha1)) { + if (read_ref(ref.buf, oid.hash)) { error(_("tag '%s' not found."), *p); had_error = 1; continue; } - if (fn(*p, ref.buf, sha1, cb_data)) + if (fn(*p, ref.buf, &oid, cb_data)) had_error = 1; } strbuf_release(&ref); @@ -92,16 +92,16 @@ static int for_each_tag_name(const char **argv, each_tag_name_fn fn, } static int delete_tag(const char *name, const char *ref, - const unsigned char *sha1, const void *cb_data) + const struct object_id *oid, const void *cb_data) { - if (delete_ref(NULL, ref, sha1, 0)) + if (delete_ref(NULL, ref, oid->hash, 0)) return 1; - printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(sha1, DEFAULT_ABBREV)); + printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(oid->hash, DEFAULT_ABBREV)); return 0; } static int verify_tag(const char *name, const char *ref, - const unsigned char *sha1, const void *cb_data) + const struct object_id *oid, const void *cb_data) { int flags; const char *fmt_pretty = cb_data; @@ -110,11 +110,11 @@ static int verify_tag(const char *name, const char *ref, if (fmt_pretty) flags = GPG_VERIFY_OMIT_STATUS; - if (gpg_verify_tag(sha1, name, flags)) + if (gpg_verify_tag(oid->hash, name, flags)) return -1; if (fmt_pretty) - pretty_print_ref(name, sha1, fmt_pretty); + pretty_print_ref(name, oid->hash, fmt_pretty); return 0; } @@ -182,13 +182,13 @@ static int git_tag_config(const char *var, const char *value, void *cb) return git_default_config(var, value, cb); } -static void write_tag_body(int fd, const unsigned char *sha1) +static void write_tag_body(int fd, const struct object_id *oid) { unsigned long size; enum object_type type; char *buf, *sp; - buf = read_sha1_file(sha1, &type, &size); + buf = read_sha1_file(oid->hash, &type, &size); if (!buf) return; /* skip header */ @@ -204,11 +204,11 @@ static void write_tag_body(int fd, const unsigned char *sha1) free(buf); } -static int build_tag_object(struct strbuf *buf, int sign, unsigned char *result) +static int build_tag_object(struct strbuf *buf, int sign, struct object_id *result) { if (sign && do_sign(buf) < 0) return error(_("unable to sign the tag")); - if (write_sha1_file(buf->buf, buf->len, tag_type, result) < 0) + if (write_sha1_file(buf->buf, buf->len, tag_type, result->hash) < 0) return error(_("unable to write tag file")); return 0; } @@ -223,15 +223,15 @@ struct create_tag_options { } cleanup_mode; }; -static void create_tag(const unsigned char *object, const char *tag, +static void create_tag(const struct object_id *object, const char *tag, struct strbuf *buf, struct create_tag_options *opt, - unsigned char *prev, unsigned char *result) + struct object_id *prev, struct object_id *result) { enum object_type type; struct strbuf header = STRBUF_INIT; char *path = NULL; - type = sha1_object_info(object, NULL); + type = sha1_object_info(object->hash, NULL); if (type <= OBJ_NONE) die(_("bad object type.")); @@ -240,7 +240,7 @@ static void create_tag(const unsigned char *object, const char *tag, "type %s\n" "tag %s\n" "tagger %s\n\n", - sha1_to_hex(object), + oid_to_hex(object), typename(type), tag, git_committer_info(IDENT_STRICT)); @@ -254,7 +254,7 @@ static void create_tag(const unsigned char *object, const char *tag, if (fd < 0) die_errno(_("could not create file '%s'"), path); - if (!is_null_sha1(prev)) { + if (!is_null_oid(prev)) { write_tag_body(fd, prev); } else { struct strbuf buf = STRBUF_INIT; @@ -296,7 +296,7 @@ static void create_tag(const unsigned char *object, const char *tag, } } -static void create_reflog_msg(const unsigned char *sha1, struct strbuf *sb) +static void create_reflog_msg(const struct object_id *oid, struct strbuf *sb) { enum object_type type; struct commit *c; @@ -310,17 +310,17 @@ static void create_reflog_msg(const unsigned char *sha1, struct strbuf *sb) strbuf_addstr(sb, rla); } else { strbuf_addstr(sb, "tag: tagging "); - strbuf_add_unique_abbrev(sb, sha1, DEFAULT_ABBREV); + strbuf_add_unique_abbrev(sb, oid->hash, DEFAULT_ABBREV); } strbuf_addstr(sb, " ("); - type = sha1_object_info(sha1, NULL); + type = sha1_object_info(oid->hash, NULL); switch (type) { default: strbuf_addstr(sb, "object of unknown type"); break; case OBJ_COMMIT: - if ((buf = read_sha1_file(sha1, &type, &size)) != NULL) { + if ((buf = read_sha1_file(oid->hash, &type, &size)) != NULL) { subject_len = find_commit_subject(buf, &subject_start); strbuf_insert(sb, sb->len, subject_start, subject_len); } else { @@ -328,7 +328,7 @@ static void create_reflog_msg(const unsigned char *sha1, struct strbuf *sb) } free(buf); - if ((c = lookup_commit_reference(sha1)) != NULL) + if ((c = lookup_commit_reference(oid)) != NULL) strbuf_addf(sb, ", %s", show_date(c->date, 0, DATE_MODE(SHORT))); break; case OBJ_TREE: @@ -378,7 +378,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix) struct strbuf buf = STRBUF_INIT; struct strbuf ref = STRBUF_INIT; struct strbuf reflog_msg = STRBUF_INIT; - unsigned char object[20], prev[20]; + struct object_id object, prev; const char *object_ref, *tag; struct create_tag_options opt; char *cleanup_arg = NULL; @@ -528,14 +528,14 @@ int cmd_tag(int argc, const char **argv, const char *prefix) if (argc > 2) die(_("too many params")); - if (get_sha1(object_ref, object)) + if (get_oid(object_ref, &object)) die(_("Failed to resolve '%s' as a valid ref."), object_ref); if (strbuf_check_tag_ref(&ref, tag)) die(_("'%s' is not a valid tag name."), tag); - if (read_ref(ref.buf, prev)) - hashclr(prev); + if (read_ref(ref.buf, prev.hash)) + oidclr(&prev); else if (!force) die(_("tag '%s' already exists"), tag); @@ -550,24 +550,24 @@ int cmd_tag(int argc, const char **argv, const char *prefix) else die(_("Invalid cleanup mode %s"), cleanup_arg); - create_reflog_msg(object, &reflog_msg); + create_reflog_msg(&object, &reflog_msg); if (create_tag_object) { if (force_sign_annotate && !annotate) opt.sign = 1; - create_tag(object, tag, &buf, &opt, prev, object); + create_tag(&object, tag, &buf, &opt, &prev, &object); } transaction = ref_transaction_begin(&err); if (!transaction || - ref_transaction_update(transaction, ref.buf, object, prev, + ref_transaction_update(transaction, ref.buf, object.hash, prev.hash, create_reflog ? REF_FORCE_CREATE_REFLOG : 0, reflog_msg.buf, &err) || ref_transaction_commit(transaction, &err)) die("%s", err.buf); ref_transaction_free(transaction); - if (force && !is_null_sha1(prev) && hashcmp(prev, object)) - printf(_("Updated tag '%s' (was %s)\n"), tag, find_unique_abbrev(prev, DEFAULT_ABBREV)); + if (force && !is_null_oid(&prev) && oidcmp(&prev, &object)) + printf(_("Updated tag '%s' (was %s)\n"), tag, find_unique_abbrev(prev.hash, DEFAULT_ABBREV)); strbuf_release(&err); strbuf_release(&buf);
diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index 4532aa0..8bc9997 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c
@@ -127,7 +127,7 @@ static void *get_data(unsigned long size) } struct delta_info { - unsigned char base_sha1[20]; + struct object_id base_oid; unsigned nr; off_t base_offset; unsigned long size; @@ -137,13 +137,13 @@ struct delta_info { static struct delta_info *delta_list; -static void add_delta_to_list(unsigned nr, unsigned const char *base_sha1, +static void add_delta_to_list(unsigned nr, const struct object_id *base_oid, off_t base_offset, void *delta, unsigned long size) { struct delta_info *info = xmalloc(sizeof(*info)); - hashcpy(info->base_sha1, base_sha1); + oidcpy(&info->base_oid, base_oid); info->base_offset = base_offset; info->size = size; info->delta = delta; @@ -154,7 +154,7 @@ static void add_delta_to_list(unsigned nr, unsigned const char *base_sha1, struct obj_info { off_t offset; - unsigned char sha1[20]; + struct object_id oid; struct object *obj; }; @@ -170,9 +170,9 @@ static unsigned nr_objects; */ static void write_cached_object(struct object *obj, struct obj_buffer *obj_buf) { - unsigned char sha1[20]; + struct object_id oid; - if (write_sha1_file(obj_buf->buffer, obj_buf->size, typename(obj->type), sha1) < 0) + if (write_sha1_file(obj_buf->buffer, obj_buf->size, typename(obj->type), oid.hash) < 0) die("failed to write object %s", oid_to_hex(&obj->oid)); obj->flags |= FLAG_WRITTEN; } @@ -237,19 +237,19 @@ static void write_object(unsigned nr, enum object_type type, void *buf, unsigned long size) { if (!strict) { - if (write_sha1_file(buf, size, typename(type), obj_list[nr].sha1) < 0) + if (write_sha1_file(buf, size, typename(type), obj_list[nr].oid.hash) < 0) die("failed to write object"); added_object(nr, type, buf, size); free(buf); obj_list[nr].obj = NULL; } else if (type == OBJ_BLOB) { struct blob *blob; - if (write_sha1_file(buf, size, typename(type), obj_list[nr].sha1) < 0) + if (write_sha1_file(buf, size, typename(type), obj_list[nr].oid.hash) < 0) die("failed to write object"); added_object(nr, type, buf, size); free(buf); - blob = lookup_blob(obj_list[nr].sha1); + blob = lookup_blob(&obj_list[nr].oid); if (blob) blob->object.flags |= FLAG_WRITTEN; else @@ -258,9 +258,10 @@ static void write_object(unsigned nr, enum object_type type, } else { struct object *obj; int eaten; - hash_sha1_file(buf, size, typename(type), obj_list[nr].sha1); + hash_sha1_file(buf, size, typename(type), obj_list[nr].oid.hash); added_object(nr, type, buf, size); - obj = parse_object_buffer(obj_list[nr].sha1, type, size, buf, &eaten); + obj = parse_object_buffer(&obj_list[nr].oid, type, size, buf, + &eaten); if (!obj) die("invalid %s", typename(type)); add_object_buffer(obj, buf, size); @@ -296,7 +297,7 @@ static void added_object(unsigned nr, enum object_type type, struct delta_info *info; while ((info = *p) != NULL) { - if (!hashcmp(info->base_sha1, obj_list[nr].sha1) || + if (!oidcmp(&info->base_oid, &obj_list[nr].oid) || info->base_offset == obj_list[nr].offset) { *p = info->next; p = &delta_list; @@ -320,12 +321,12 @@ static void unpack_non_delta_entry(enum object_type type, unsigned long size, free(buf); } -static int resolve_against_held(unsigned nr, const unsigned char *base, +static int resolve_against_held(unsigned nr, const struct object_id *base, void *delta_data, unsigned long delta_size) { struct object *obj; struct obj_buffer *obj_buffer; - obj = lookup_object(base); + obj = lookup_object(base->hash); if (!obj) return 0; obj_buffer = lookup_object_buffer(obj); @@ -341,25 +342,25 @@ static void unpack_delta_entry(enum object_type type, unsigned long delta_size, { void *delta_data, *base; unsigned long base_size; - unsigned char base_sha1[20]; + struct object_id base_oid; if (type == OBJ_REF_DELTA) { - hashcpy(base_sha1, fill(20)); - use(20); + hashcpy(base_oid.hash, fill(GIT_SHA1_RAWSZ)); + use(GIT_SHA1_RAWSZ); delta_data = get_data(delta_size); if (dry_run || !delta_data) { free(delta_data); return; } - if (has_sha1_file(base_sha1)) + if (has_object_file(&base_oid)) ; /* Ok we have this one */ - else if (resolve_against_held(nr, base_sha1, + else if (resolve_against_held(nr, &base_oid, delta_data, delta_size)) return; /* we are done */ else { /* cannot resolve yet --- queue it */ - hashclr(obj_list[nr].sha1); - add_delta_to_list(nr, base_sha1, 0, delta_data, delta_size); + oidclr(&obj_list[nr].oid); + add_delta_to_list(nr, &base_oid, 0, delta_data, delta_size); return; } } else { @@ -399,8 +400,8 @@ static void unpack_delta_entry(enum object_type type, unsigned long delta_size, } else if (base_offset > obj_list[mid].offset) { lo = mid + 1; } else { - hashcpy(base_sha1, obj_list[mid].sha1); - base_found = !is_null_sha1(base_sha1); + oidcpy(&base_oid, &obj_list[mid].oid); + base_found = !is_null_oid(&base_oid); break; } } @@ -409,19 +410,19 @@ static void unpack_delta_entry(enum object_type type, unsigned long delta_size, * The delta base object is itself a delta that * has not been resolved yet. */ - hashclr(obj_list[nr].sha1); - add_delta_to_list(nr, null_sha1, base_offset, delta_data, delta_size); + oidclr(&obj_list[nr].oid); + add_delta_to_list(nr, &null_oid, base_offset, delta_data, delta_size); return; } } - if (resolve_against_held(nr, base_sha1, delta_data, delta_size)) + if (resolve_against_held(nr, &base_oid, delta_data, delta_size)) return; - base = read_sha1_file(base_sha1, &type, &base_size); + base = read_sha1_file(base_oid.hash, &type, &base_size); if (!base) { error("failed to read delta-pack base object %s", - sha1_to_hex(base_sha1)); + oid_to_hex(&base_oid)); if (!recover) exit(1); has_errors = 1; @@ -505,7 +506,7 @@ static void unpack_all(void) int cmd_unpack_objects(int argc, const char **argv, const char *prefix) { int i; - unsigned char sha1[20]; + struct object_id oid; check_replace_refs = 0; @@ -566,12 +567,12 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix) git_SHA1_Init(&ctx); unpack_all(); git_SHA1_Update(&ctx, buffer, offset); - git_SHA1_Final(sha1, &ctx); + git_SHA1_Final(oid.hash, &ctx); if (strict) write_rest(); - if (hashcmp(fill(20), sha1)) + if (hashcmp(fill(GIT_SHA1_RAWSZ), oid.hash)) die("final sha1 did not match"); - use(20); + use(GIT_SHA1_RAWSZ); /* Write the last part of the buffer to stdout */ while (len) {
diff --git a/builtin/update-index.c b/builtin/update-index.c index ebfc09f..f99b1e5 100644 --- a/builtin/update-index.c +++ b/builtin/update-index.c
@@ -257,7 +257,7 @@ static int remove_one_path(const char *path) */ static int process_lstat_error(const char *path, int err) { - if (err == ENOENT || err == ENOTDIR) + if (is_missing_file_error(err)) return remove_one_path(path); return error("lstat(\"%s\"): %s", path, strerror(err)); }
diff --git a/builtin/verify-commit.c b/builtin/verify-commit.c index 38bedf8..05b734e 100644 --- a/builtin/verify-commit.c +++ b/builtin/verify-commit.c
@@ -18,14 +18,14 @@ static const char * const verify_commit_usage[] = { NULL }; -static int run_gpg_verify(const unsigned char *sha1, const char *buf, unsigned long size, unsigned flags) +static int run_gpg_verify(const struct object_id *oid, const char *buf, unsigned long size, unsigned flags) { struct signature_check signature_check; int ret; memset(&signature_check, 0, sizeof(signature_check)); - ret = check_commit_signature(lookup_commit(sha1), &signature_check); + ret = check_commit_signature(lookup_commit(oid), &signature_check); print_signature_buffer(&signature_check, flags); signature_check_clear(&signature_check); @@ -35,22 +35,22 @@ static int run_gpg_verify(const unsigned char *sha1, const char *buf, unsigned l static int verify_commit(const char *name, unsigned flags) { enum object_type type; - unsigned char sha1[20]; + struct object_id oid; char *buf; unsigned long size; int ret; - if (get_sha1(name, sha1)) + if (get_oid(name, &oid)) return error("commit '%s' not found.", name); - buf = read_sha1_file(sha1, &type, &size); + buf = read_sha1_file(oid.hash, &type, &size); if (!buf) return error("%s: unable to read file.", name); if (type != OBJ_COMMIT) return error("%s: cannot verify a non-commit object of type %s.", name, typename(type)); - ret = run_gpg_verify(sha1, buf, size, flags); + ret = run_gpg_verify(&oid, buf, size, flags); free(buf); return ret;
diff --git a/builtin/worktree.c b/builtin/worktree.c index 11f90d6..793306e 100644 --- a/builtin/worktree.c +++ b/builtin/worktree.c
@@ -414,9 +414,11 @@ static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len) find_unique_abbrev(wt->head_sha1, DEFAULT_ABBREV)); if (wt->is_detached) strbuf_addstr(&sb, "(detached HEAD)"); - else if (wt->head_ref) - strbuf_addf(&sb, "[%s]", shorten_unambiguous_ref(wt->head_ref, 0)); - else + else if (wt->head_ref) { + char *ref = shorten_unambiguous_ref(wt->head_ref, 0); + strbuf_addf(&sb, "[%s]", ref); + free(ref); + } else strbuf_addstr(&sb, "(error)"); } printf("%s\n", sb.buf);
diff --git a/bulk-checkin.c b/bulk-checkin.c index ddb6070..5be7ce5 100644 --- a/bulk-checkin.c +++ b/bulk-checkin.c
@@ -69,7 +69,7 @@ static int already_written(struct bulk_checkin_state *state, unsigned char sha1[ /* Might want to keep the list sorted */ for (i = 0; i < state->nr_written; i++) - if (!hashcmp(state->written[i]->sha1, sha1)) + if (!hashcmp(state->written[i]->oid.hash, sha1)) return 1; /* This is a new object we need to keep */ @@ -242,7 +242,7 @@ static int deflate_to_pack(struct bulk_checkin_state *state, state->offset = checkpoint.offset; free(idx); } else { - hashcpy(idx->sha1, result_sha1); + hashcpy(idx->oid.hash, result_sha1); ALLOC_GROW(state->written, state->nr_written + 1, state->alloc_written);
diff --git a/bundle.c b/bundle.c index 05e014f..d15db03 100644 --- a/bundle.c +++ b/bundle.c
@@ -12,11 +12,11 @@ static const char bundle_signature[] = "# v2 git bundle\n"; -static void add_to_ref_list(const unsigned char *sha1, const char *name, +static void add_to_ref_list(const struct object_id *oid, const char *name, struct ref_list *list) { ALLOC_GROW(list->list, list->nr + 1, list->alloc); - hashcpy(list->list[list->nr].sha1, sha1); + oidcpy(&list->list[list->nr].oid, oid); list->list[list->nr].name = xstrdup(name); list->nr++; } @@ -40,8 +40,9 @@ static int parse_bundle_header(int fd, struct bundle_header *header, /* The bundle header ends with an empty line */ while (!strbuf_getwholeline_fd(&buf, fd, '\n') && buf.len && buf.buf[0] != '\n') { - unsigned char sha1[20]; + struct object_id oid; int is_prereq = 0; + const char *p; if (*buf.buf == '-') { is_prereq = 1; @@ -54,9 +55,9 @@ static int parse_bundle_header(int fd, struct bundle_header *header, * Prerequisites have object name that is optionally * followed by SP and subject line. */ - if (get_sha1_hex(buf.buf, sha1) || - (buf.len > 40 && !isspace(buf.buf[40])) || - (!is_prereq && buf.len <= 40)) { + if (parse_oid_hex(buf.buf, &oid, &p) || + (*p && !isspace(*p)) || + (!is_prereq && !*p)) { if (report_path) error(_("unrecognized header: %s%s (%d)"), (is_prereq ? "-" : ""), buf.buf, (int)buf.len); @@ -64,9 +65,9 @@ static int parse_bundle_header(int fd, struct bundle_header *header, break; } else { if (is_prereq) - add_to_ref_list(sha1, "", &header->prerequisites); + add_to_ref_list(&oid, "", &header->prerequisites); else - add_to_ref_list(sha1, buf.buf + 41, &header->references); + add_to_ref_list(&oid, p + 1, &header->references); } } @@ -115,7 +116,7 @@ static int list_refs(struct ref_list *r, int argc, const char **argv) if (j == argc) continue; } - printf("%s %s\n", sha1_to_hex(r->list[i].sha1), + printf("%s %s\n", oid_to_hex(&r->list[i].oid), r->list[i].name); } return 0; @@ -141,7 +142,7 @@ int verify_bundle(struct bundle_header *header, int verbose) init_revisions(&revs, NULL); for (i = 0; i < p->nr; i++) { struct ref_list_entry *e = p->list + i; - struct object *o = parse_object(e->sha1); + struct object *o = parse_object(&e->oid); if (o) { o->flags |= PREREQ_MARK; add_pending_object(&revs, o, e->name); @@ -149,7 +150,7 @@ int verify_bundle(struct bundle_header *header, int verbose) } if (++ret == 1) error("%s", message); - error("%s %s", sha1_to_hex(e->sha1), e->name); + error("%s %s", oid_to_hex(&e->oid), e->name); } if (revs.pending.nr != p->nr) return ret; @@ -285,16 +286,18 @@ static int compute_and_write_prerequisites(int bundle_fd, return -1; rls_fout = xfdopen(rls.out, "r"); while (strbuf_getwholeline(&buf, rls_fout, '\n') != EOF) { - unsigned char sha1[20]; + struct object_id oid; if (buf.len > 0 && buf.buf[0] == '-') { write_or_die(bundle_fd, buf.buf, buf.len); - if (!get_sha1_hex(buf.buf + 1, sha1)) { - struct object *object = parse_object_or_die(sha1, buf.buf); + if (!get_oid_hex(buf.buf + 1, &oid)) { + struct object *object = parse_object_or_die(&oid, + buf.buf); object->flags |= UNINTERESTING; add_pending_object(revs, object, buf.buf); } - } else if (!get_sha1_hex(buf.buf, sha1)) { - struct object *object = parse_object_or_die(sha1, buf.buf); + } else if (!get_oid_hex(buf.buf, &oid)) { + struct object *object = parse_object_or_die(&oid, + buf.buf); object->flags |= SHOWN; } } @@ -366,7 +369,7 @@ static int write_bundle_refs(int bundle_fd, struct rev_info *revs) * in terms of a tag (e.g. v2.0 from the range * "v1.0..v2.0")? */ - struct commit *one = lookup_commit_reference(oid.hash); + struct commit *one = lookup_commit_reference(&oid); struct object *obj; if (e->item == &(one->object)) { @@ -378,7 +381,7 @@ static int write_bundle_refs(int bundle_fd, struct rev_info *revs) * end up triggering "empty bundle" * error. */ - obj = parse_object_or_die(oid.hash, e->name); + obj = parse_object_or_die(&oid, e->name); obj->flags |= SHOWN; add_pending_object(revs, obj, e->name); }
diff --git a/bundle.h b/bundle.h index 1584e4d..e9a4cb6 100644 --- a/bundle.h +++ b/bundle.h
@@ -1,10 +1,12 @@ #ifndef BUNDLE_H #define BUNDLE_H +#include "cache.h" + struct ref_list { unsigned int nr, alloc; struct ref_list_entry { - unsigned char sha1[20]; + struct object_id oid; char *name; } *list; };
diff --git a/cache-tree.c b/cache-tree.c index 34baa6d..ec23d8c 100644 --- a/cache-tree.c +++ b/cache-tree.c
@@ -225,7 +225,7 @@ int cache_tree_fully_valid(struct cache_tree *it) int i; if (!it) return 0; - if (it->entry_count < 0 || !has_sha1_file(it->sha1)) + if (it->entry_count < 0 || !has_sha1_file(it->oid.hash)) return 0; for (i = 0; i < it->subtree_nr; i++) { if (!cache_tree_fully_valid(it->down[i]->cache_tree)) @@ -253,7 +253,7 @@ static int update_one(struct cache_tree *it, *skip_count = 0; - if (0 <= it->entry_count && has_sha1_file(it->sha1)) + if (0 <= it->entry_count && has_sha1_file(it->oid.hash)) return it->entry_count; /* @@ -340,7 +340,7 @@ static int update_one(struct cache_tree *it, die("cache-tree.c: '%.*s' in '%s' not found", entlen, path + baselen, path); i += sub->count; - sha1 = sub->cache_tree->sha1; + sha1 = sub->cache_tree->oid.hash; mode = S_IFDIR; contains_ita = sub->cache_tree->entry_count < 0; if (contains_ita) { @@ -404,12 +404,13 @@ static int update_one(struct cache_tree *it, unsigned char sha1[20]; hash_sha1_file(buffer.buf, buffer.len, tree_type, sha1); if (has_sha1_file(sha1)) - hashcpy(it->sha1, sha1); + hashcpy(it->oid.hash, sha1); else to_invalidate = 1; } else if (dryrun) - hash_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1); - else if (write_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1)) { + hash_sha1_file(buffer.buf, buffer.len, tree_type, + it->oid.hash); + else if (write_sha1_file(buffer.buf, buffer.len, tree_type, it->oid.hash)) { strbuf_release(&buffer); return -1; } @@ -419,7 +420,7 @@ static int update_one(struct cache_tree *it, #if DEBUG fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n", it->entry_count, it->subtree_nr, - sha1_to_hex(it->sha1)); + oid_to_hex(&it->oid)); #endif return i; } @@ -459,14 +460,14 @@ static void write_one(struct strbuf *buffer, struct cache_tree *it, if (0 <= it->entry_count) fprintf(stderr, "cache-tree <%.*s> (%d ent, %d subtree) %s\n", pathlen, path, it->entry_count, it->subtree_nr, - sha1_to_hex(it->sha1)); + oid_to_hex(&it->oid)); else fprintf(stderr, "cache-tree <%.*s> (%d subtree) invalid\n", pathlen, path, it->subtree_nr); #endif if (0 <= it->entry_count) { - strbuf_add(buffer, it->sha1, 20); + strbuf_add(buffer, it->oid.hash, 20); } for (i = 0; i < it->subtree_nr; i++) { struct cache_tree_sub *down = it->down[i]; @@ -523,7 +524,7 @@ static struct cache_tree *read_one(const char **buffer, unsigned long *size_p) if (0 <= it->entry_count) { if (size < 20) goto free_return; - hashcpy(it->sha1, (const unsigned char*)buf); + hashcpy(it->oid.hash, (const unsigned char*)buf); buf += 20; size -= 20; } @@ -532,7 +533,7 @@ static struct cache_tree *read_one(const char **buffer, unsigned long *size_p) if (0 <= it->entry_count) fprintf(stderr, "cache-tree <%s> (%d ent, %d subtree) %s\n", *buffer, it->entry_count, subtree_nr, - sha1_to_hex(it->sha1)); + oid_to_hex(&it->oid)); else fprintf(stderr, "cache-tree <%s> (%d subtrees) invalid\n", *buffer, subtree_nr); @@ -643,10 +644,10 @@ int write_index_as_tree(unsigned char *sha1, struct index_state *index_state, co subtree = cache_tree_find(index_state->cache_tree, prefix); if (!subtree) return WRITE_TREE_PREFIX_ERROR; - hashcpy(sha1, subtree->sha1); + hashcpy(sha1, subtree->oid.hash); } else - hashcpy(sha1, index_state->cache_tree->sha1); + hashcpy(sha1, index_state->cache_tree->oid.hash); if (0 <= newfd) rollback_lock_file(lock_file); @@ -665,7 +666,7 @@ static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree) struct name_entry entry; int cnt; - hashcpy(it->sha1, tree->object.oid.hash); + oidcpy(&it->oid, &tree->object.oid); init_tree_desc(&desc, tree->buffer, tree->size); cnt = 0; while (tree_entry(&desc, &entry)) { @@ -673,7 +674,7 @@ static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree) cnt++; else { struct cache_tree_sub *sub; - struct tree *subtree = lookup_tree(entry.oid->hash); + struct tree *subtree = lookup_tree(entry.oid); if (!subtree->object.parsed) parse_tree(subtree); sub = cache_tree_sub(it, entry.path); @@ -720,7 +721,7 @@ int cache_tree_matches_traversal(struct cache_tree *root, it = find_cache_tree_from_traversal(root, info); it = cache_tree_find(it, ent->path); - if (it && it->entry_count > 0 && !hashcmp(ent->oid->hash, it->sha1)) + if (it && it->entry_count > 0 && !oidcmp(ent->oid, &it->oid)) return it->entry_count; return 0; }
diff --git a/cache-tree.h b/cache-tree.h index 41c5746..f7b9cab 100644 --- a/cache-tree.h +++ b/cache-tree.h
@@ -1,6 +1,7 @@ #ifndef CACHE_TREE_H #define CACHE_TREE_H +#include "cache.h" #include "tree.h" #include "tree-walk.h" @@ -15,7 +16,7 @@ struct cache_tree_sub { struct cache_tree { int entry_count; /* negative means "invalid" */ - unsigned char sha1[20]; + struct object_id oid; int subtree_nr; int subtree_alloc; struct cache_tree_sub **down;
diff --git a/cache.h b/cache.h index 1888119..4d92aae 100644 --- a/cache.h +++ b/cache.h
@@ -597,6 +597,7 @@ extern int read_index_unmerged(struct index_state *); #define CLOSE_LOCK (1 << 1) extern int write_locked_index(struct index_state *, struct lock_file *lock, unsigned flags); extern int discard_index(struct index_state *); +extern void move_index_extensions(struct index_state *dst, struct index_state *src); extern int unmerged_index(const struct index_state *); extern int verify_path(const char *path); extern int strcmp_offset(const char *s1, const char *s2, size_t *first_change); @@ -1333,13 +1334,18 @@ static inline int hex2chr(const char *s) struct object_context { unsigned char tree[20]; - char path[PATH_MAX]; unsigned mode; /* * symlink_path is only used by get_tree_entry_follow_symlinks, * and only for symlinks that point outside the repository. */ struct strbuf symlink_path; + /* + * If GET_SHA1_RECORD_PATH is set, this will record path (if any) + * found when resolving the name. The caller is responsible for + * releasing the memory. + */ + char *path; }; #define GET_SHA1_QUIETLY 01 @@ -1349,6 +1355,7 @@ struct object_context { #define GET_SHA1_TREEISH 020 #define GET_SHA1_BLOB 040 #define GET_SHA1_FOLLOW_SYMLINKS 0100 +#define GET_SHA1_RECORD_PATH 0200 #define GET_SHA1_ONLY_TO_DIE 04000 #define GET_SHA1_DISAMBIGUATORS \ @@ -1363,7 +1370,7 @@ extern int get_sha1_tree(const char *str, unsigned char *sha1); extern int get_sha1_treeish(const char *str, unsigned char *sha1); extern int get_sha1_blob(const char *str, unsigned char *sha1); extern void maybe_die_on_misspelt_object_name(const char *name, const char *prefix); -extern int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *orc); +extern int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *oc); extern int get_oid(const char *str, struct object_id *oid); @@ -2198,8 +2205,8 @@ struct commit_list; int try_merge_command(const char *strategy, size_t xopts_nr, const char **xopts, struct commit_list *common, const char *head_arg, struct commit_list *remotes); -int checkout_fast_forward(const unsigned char *from, - const unsigned char *to, +int checkout_fast_forward(const struct object_id *from, + const struct object_id *to, int overwrite_ignore);
diff --git a/commit.c b/commit.c index 99a62b9..713f09f 100644 --- a/commit.c +++ b/commit.c
@@ -11,6 +11,7 @@ #include "commit-slab.h" #include "prio-queue.h" #include "sha1-lookup.h" +#include "wt-status.h" static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **); @@ -18,38 +19,38 @@ int save_commit_buffer = 1; const char *commit_type = "commit"; -struct commit *lookup_commit_reference_gently(const unsigned char *sha1, +struct commit *lookup_commit_reference_gently(const struct object_id *oid, int quiet) { - struct object *obj = deref_tag(parse_object(sha1), NULL, 0); + struct object *obj = deref_tag(parse_object(oid), NULL, 0); if (!obj) return NULL; return object_as_type(obj, OBJ_COMMIT, quiet); } -struct commit *lookup_commit_reference(const unsigned char *sha1) +struct commit *lookup_commit_reference(const struct object_id *oid) { - return lookup_commit_reference_gently(sha1, 0); + return lookup_commit_reference_gently(oid, 0); } -struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name) +struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref_name) { - struct commit *c = lookup_commit_reference(sha1); + struct commit *c = lookup_commit_reference(oid); if (!c) die(_("could not parse %s"), ref_name); - if (hashcmp(sha1, c->object.oid.hash)) { + if (oidcmp(oid, &c->object.oid)) { warning(_("%s %s is not a commit!"), - ref_name, sha1_to_hex(sha1)); + ref_name, oid_to_hex(oid)); } return c; } -struct commit *lookup_commit(const unsigned char *sha1) +struct commit *lookup_commit(const struct object_id *oid) { - struct object *obj = lookup_object(sha1); + struct object *obj = lookup_object(oid->hash); if (!obj) - return create_object(sha1, alloc_commit_node()); + return create_object(oid->hash, alloc_commit_node()); return object_as_type(obj, OBJ_COMMIT, 0); } @@ -60,7 +61,7 @@ struct commit *lookup_commit_reference_by_name(const char *name) if (get_sha1_committish(name, oid.hash)) return NULL; - commit = lookup_commit_reference(oid.hash); + commit = lookup_commit_reference(&oid); if (parse_commit(commit)) return NULL; return commit; @@ -216,9 +217,9 @@ int for_each_commit_graft(each_commit_graft_fn fn, void *cb_data) return ret; } -int unregister_shallow(const unsigned char *sha1) +int unregister_shallow(const struct object_id *oid) { - int pos = commit_graft_pos(sha1); + int pos = commit_graft_pos(oid->hash); if (pos < 0) return -1; if (pos + 1 < commit_graft_nr) @@ -331,7 +332,7 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s if (get_sha1_hex(bufptr + 5, parent.hash) < 0) return error("bad tree pointer in commit %s", oid_to_hex(&item->object.oid)); - item->tree = lookup_tree(parent.hash); + item->tree = lookup_tree(&parent); bufptr += tree_entry_len + 1; /* "tree " + "hex sha1" + "\n" */ pptr = &item->parents; @@ -350,7 +351,7 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s */ if (graft && (graft->nr_parent < 0 || grafts_replace_parents)) continue; - new_parent = lookup_commit(parent.hash); + new_parent = lookup_commit(&parent); if (new_parent) pptr = &commit_list_insert(new_parent, pptr)->next; } @@ -358,7 +359,7 @@ int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long s int i; struct commit *new_parent; for (i = 0; i < graft->nr_parent; i++) { - new_parent = lookup_commit(graft->parent[i].hash); + new_parent = lookup_commit(&graft->parent[i]); if (!new_parent) continue; pptr = &commit_list_insert(new_parent, pptr)->next; @@ -562,7 +563,7 @@ void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark) for (i = 0; i < a->nr; i++) { object = a->objects[i].item; - commit = lookup_commit_reference_gently(object->oid.hash, 1); + commit = lookup_commit_reference_gently(&object->oid, 1); if (commit) clear_commit_marks(commit, mark); } @@ -1589,7 +1590,7 @@ struct commit *get_merge_parent(const char *name) struct object_id oid; if (get_sha1(name, oid.hash)) return NULL; - obj = parse_object(oid.hash); + obj = parse_object(&oid); commit = (struct commit *)peel_to_type(name, 0, obj, OBJ_COMMIT); if (commit && !commit->util) set_merge_remote_desc(commit, name, obj); @@ -1648,10 +1649,9 @@ const char *find_commit_header(const char *msg, const char *key, size_t *out_len /* * Inspect the given string and determine the true "end" of the log message, in * order to find where to put a new Signed-off-by: line. Ignored are - * trailing comment lines and blank lines, and also the traditional - * "Conflicts:" block that is not commented out, so that we can use - * "git commit -s --amend" on an existing commit that forgot to remove - * it. + * trailing comment lines and blank lines. To support "git commit -s + * --amend" on an existing commit, we also ignore "Conflicts:". To + * support "git commit -v", we truncate at cut lines. * * Returns the number of bytes from the tail to ignore, to be fed as * the second parameter to append_signoff(). @@ -1661,8 +1661,9 @@ int ignore_non_trailer(const char *buf, size_t len) int boc = 0; int bol = 0; int in_old_conflicts_block = 0; + size_t cutoff = wt_status_locate_end(buf, len); - while (bol < len) { + while (bol < cutoff) { const char *next_line = memchr(buf + bol, '\n', len - bol); if (!next_line) @@ -1688,5 +1689,5 @@ int ignore_non_trailer(const char *buf, size_t len) } bol = next_line - buf; } - return boc ? len - boc : 0; + return boc ? len - boc : len - cutoff; }
diff --git a/commit.h b/commit.h index c9d887b..4127c29 100644 --- a/commit.h +++ b/commit.h
@@ -45,18 +45,18 @@ enum decoration_type { void add_name_decoration(enum decoration_type type, const char *name, struct object *obj); const struct name_decoration *get_name_decoration(const struct object *obj); -struct commit *lookup_commit(const unsigned char *sha1); -struct commit *lookup_commit_reference(const unsigned char *sha1); -struct commit *lookup_commit_reference_gently(const unsigned char *sha1, +struct commit *lookup_commit(const struct object_id *oid); +struct commit *lookup_commit_reference(const struct object_id *oid); +struct commit *lookup_commit_reference_gently(const struct object_id *oid, int quiet); struct commit *lookup_commit_reference_by_name(const char *name); /* - * Look up object named by "sha1", dereference tag as necessary, - * get a commit and return it. If "sha1" does not dereference to + * Look up object named by "oid", dereference tag as necessary, + * get a commit and return it. If "oid" does not dereference to * a commit, use ref_name to report an error and die. */ -struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name); +struct commit *lookup_commit_or_die(const struct object_id *oid, const char *ref_name); int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size); int parse_commit_gently(struct commit *item, int quiet_on_missing); @@ -263,8 +263,8 @@ extern struct commit_list *get_merge_bases_many_dirty(struct commit *one, int n, struct oid_array; struct ref; -extern int register_shallow(const unsigned char *sha1); -extern int unregister_shallow(const unsigned char *sha1); +extern int register_shallow(const struct object_id *oid); +extern int unregister_shallow(const struct object_id *oid); extern int for_each_commit_graft(each_commit_graft_fn, void *); extern int is_repository_shallow(void); extern struct commit_list *get_shallow_commits(struct object_array *heads,
diff --git a/compat/mingw.c b/compat/mingw.c index 3fbfda5..c6134f7 100644 --- a/compat/mingw.c +++ b/compat/mingw.c
@@ -941,64 +941,14 @@ static const char *parse_interpreter(const char *cmd) } /* - * Splits the PATH into parts. - */ -static char **get_path_split(void) -{ - char *p, **path, *envpath = mingw_getenv("PATH"); - int i, n = 0; - - if (!envpath || !*envpath) - return NULL; - - envpath = xstrdup(envpath); - p = envpath; - while (p) { - char *dir = p; - p = strchr(p, ';'); - if (p) *p++ = '\0'; - if (*dir) { /* not earlier, catches series of ; */ - ++n; - } - } - if (!n) - return NULL; - - ALLOC_ARRAY(path, n + 1); - p = envpath; - i = 0; - do { - if (*p) - path[i++] = xstrdup(p); - p = p+strlen(p)+1; - } while (i < n); - path[i] = NULL; - - free(envpath); - - return path; -} - -static void free_path_split(char **path) -{ - char **p = path; - - if (!path) - return; - - while (*p) - free(*p++); - free(path); -} - -/* * exe_only means that we only want to detect .exe files, but not scripts * (which do not have an extension) */ -static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_only) +static char *lookup_prog(const char *dir, int dirlen, const char *cmd, + int isexe, int exe_only) { char path[MAX_PATH]; - snprintf(path, sizeof(path), "%s/%s.exe", dir, cmd); + snprintf(path, sizeof(path), "%.*s\\%s.exe", dirlen, dir, cmd); if (!isexe && access(path, F_OK) == 0) return xstrdup(path); @@ -1013,17 +963,29 @@ static char *lookup_prog(const char *dir, const char *cmd, int isexe, int exe_on * Determines the absolute path of cmd using the split path in path. * If cmd contains a slash or backslash, no lookup is performed. */ -static char *path_lookup(const char *cmd, char **path, int exe_only) +static char *path_lookup(const char *cmd, int exe_only) { + const char *path; char *prog = NULL; int len = strlen(cmd); int isexe = len >= 4 && !strcasecmp(cmd+len-4, ".exe"); if (strchr(cmd, '/') || strchr(cmd, '\\')) - prog = xstrdup(cmd); + return xstrdup(cmd); - while (!prog && *path) - prog = lookup_prog(*path++, cmd, isexe, exe_only); + path = mingw_getenv("PATH"); + if (!path) + return NULL; + + while (!prog) { + const char *sep = strchrnul(path, ';'); + int dirlen = sep - path; + if (dirlen) + prog = lookup_prog(path, dirlen, cmd, isexe, exe_only); + if (!*sep) + break; + path = sep + 1; + } return prog; } @@ -1190,8 +1152,7 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **deltaenv, int fhin, int fhout, int fherr) { pid_t pid; - char **path = get_path_split(); - char *prog = path_lookup(cmd, path, 0); + char *prog = path_lookup(cmd, 0); if (!prog) { errno = ENOENT; @@ -1202,7 +1163,7 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **deltaenv, if (interpr) { const char *argv0 = argv[0]; - char *iprog = path_lookup(interpr, path, 1); + char *iprog = path_lookup(interpr, 1); argv[0] = prog; if (!iprog) { errno = ENOENT; @@ -1220,21 +1181,18 @@ pid_t mingw_spawnvpe(const char *cmd, const char **argv, char **deltaenv, fhin, fhout, fherr); free(prog); } - free_path_split(path); return pid; } static int try_shell_exec(const char *cmd, char *const *argv) { const char *interpr = parse_interpreter(cmd); - char **path; char *prog; int pid = 0; if (!interpr) return 0; - path = get_path_split(); - prog = path_lookup(interpr, path, 1); + prog = path_lookup(interpr, 1); if (prog) { int argc = 0; const char **argv2; @@ -1253,7 +1211,6 @@ static int try_shell_exec(const char *cmd, char *const *argv) free(prog); free(argv2); } - free_path_split(path); return pid; } @@ -1275,8 +1232,7 @@ int mingw_execv(const char *cmd, char *const *argv) int mingw_execvp(const char *cmd, char *const *argv) { - char **path = get_path_split(); - char *prog = path_lookup(cmd, path, 0); + char *prog = path_lookup(cmd, 0); if (prog) { mingw_execv(prog, argv); @@ -1284,7 +1240,6 @@ int mingw_execvp(const char *cmd, char *const *argv) } else errno = ENOENT; - free_path_split(path); return -1; }
diff --git a/compat/mingw.h b/compat/mingw.h index 3350169..e03aecf 100644 --- a/compat/mingw.h +++ b/compat/mingw.h
@@ -398,7 +398,11 @@ HANDLE winansi_get_osfhandle(int fd); (isalpha(*(path)) && (path)[1] == ':' ? 2 : 0) int mingw_skip_dos_drive_prefix(char **path); #define skip_dos_drive_prefix mingw_skip_dos_drive_prefix -#define is_dir_sep(c) ((c) == '/' || (c) == '\\') +static inline int mingw_is_dir_sep(int c) +{ + return c == '/' || c == '\\'; +} +#define is_dir_sep mingw_is_dir_sep static inline char *mingw_find_last_dir_sep(const char *path) { char *ret = NULL;
diff --git a/compat/winansi.c b/compat/winansi.c index 793420f..a11a0f1 100644 --- a/compat/winansi.c +++ b/compat/winansi.c
@@ -105,6 +105,13 @@ static int is_console(int fd) if (!fd) { if (!GetConsoleMode(hcon, &mode)) return 0; + /* + * This code path is only reached if there is no console + * attached to stdout/stderr, i.e. we will not need to output + * any text to any console, therefore we might just as well + * use black as foreground color. + */ + sbi.wAttributes = 0; } else if (!GetConsoleScreenBufferInfo(hcon, &sbi)) return 0; @@ -133,6 +140,11 @@ static void write_console(unsigned char *str, size_t len) /* convert utf-8 to utf-16 */ int wlen = xutftowcsn(wbuf, (char*) str, ARRAY_SIZE(wbuf), len); + if (wlen < 0) { + wchar_t *err = L"[invalid]"; + WriteConsoleW(console, err, wcslen(err), &dummy, NULL); + return; + } /* write directly to console */ WriteConsoleW(console, wbuf, wlen, &dummy, NULL);
diff --git a/config.c b/config.c index bb4d735..146cb34 100644 --- a/config.c +++ b/config.c
@@ -214,6 +214,7 @@ static int include_by_gitdir(const struct config_options *opts, struct strbuf pattern = STRBUF_INIT; int ret = 0, prefix; const char *git_dir; + int already_tried_absolute = 0; if (opts->git_dir) git_dir = opts->git_dir; @@ -226,6 +227,7 @@ static int include_by_gitdir(const struct config_options *opts, strbuf_add(&pattern, cond, cond_len); prefix = prepare_include_condition_pattern(&pattern); +again: if (prefix < 0) goto done; @@ -245,6 +247,20 @@ static int include_by_gitdir(const struct config_options *opts, ret = !wildmatch(pattern.buf + prefix, text.buf + prefix, icase ? WM_CASEFOLD : 0, NULL); + if (!ret && !already_tried_absolute) { + /* + * We've tried e.g. matching gitdir:~/work, but if + * ~/work is a symlink to /mnt/storage/work + * strbuf_realpath() will expand it, so the rule won't + * match. Let's match against a + * strbuf_add_absolute_path() version of the path, + * which'll do the right thing + */ + strbuf_reset(&text); + strbuf_add_absolute_path(&text, git_dir); + already_tried_absolute = 1; + goto again; + } done: strbuf_release(&pattern); strbuf_release(&text); @@ -2621,7 +2637,7 @@ int git_config_rename_section_in_file(const char *config_filename, struct lock_file *lock; int out_fd; char buf[1024]; - FILE *config_file; + FILE *config_file = NULL; struct stat st; if (new_name && !section_name_is_ok(new_name)) { @@ -2703,11 +2719,14 @@ int git_config_rename_section_in_file(const char *config_filename, } } fclose(config_file); + config_file = NULL; commit_and_out: if (commit_lock_file(lock) < 0) ret = error_errno("could not write config file %s", config_filename); out: + if (config_file) + fclose(config_file); rollback_lock_file(lock); out_no_rollback: free(filename_buf);
diff --git a/connect.c b/connect.c index cd21a1b..c72b1d1 100644 --- a/connect.c +++ b/connect.c
@@ -71,7 +71,7 @@ static void parse_one_symref_info(struct string_list *symref, const char *val, i check_refname_format(target, REFNAME_ALLOW_ONELEVEL)) /* "symref=bogus:pair */ goto reject; - item = string_list_append(symref, sym); + item = string_list_append_nodup(symref, sym); item->util = target; return; reject:
diff --git a/contrib/completion/.gitattributes b/contrib/completion/.gitattributes new file mode 100644 index 0000000..1911694 --- /dev/null +++ b/contrib/completion/.gitattributes
@@ -0,0 +1 @@ +*.bash eol=lf
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index 1ed0a09..15b40f8 100644 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash
@@ -2395,8 +2395,11 @@ color.status.untracked color.status.updated color.ui + commit.cleanup + commit.gpgSign commit.status commit.template + commit.verbose core.abbrev core.askpass core.attributesfile @@ -2813,7 +2816,7 @@ _git_stash () { local save_opts='--all --keep-index --no-keep-index --quiet --patch --include-untracked' - local subcommands='save list show apply clear drop pop create branch' + local subcommands='push save list show apply clear drop pop create branch' local subcommand="$(__git_find_on_cmdline "$subcommands")" if [ -z "$subcommand" ]; then case "$cur" in @@ -2828,6 +2831,9 @@ esac else case "$subcommand,$cur" in + push,--*) + __gitcomp "$save_opts --message" + ;; save,--*) __gitcomp "$save_opts" ;;
diff --git a/contrib/persistent-https/README b/contrib/persistent-https/README index f784dd2..7c4cd8d 100644 --- a/contrib/persistent-https/README +++ b/contrib/persistent-https/README
@@ -35,6 +35,16 @@ [url "persistent-http"] insteadof = http +You may also want to allow the use of the persistent-https helper for +submodule URLs (since any https URLs pointing to submodules will be +rewritten, and Git's out-of-the-box defaults forbid submodules from +using unknown remote helpers): + +[protocol "persistent-https"] + allow = always +[protocol "persistent-http"] + allow = always + ##################################################################### # BUILDING FROM SOURCE
diff --git a/contrib/workdir/.gitattributes b/contrib/workdir/.gitattributes new file mode 100644 index 0000000..1f78c5d --- /dev/null +++ b/contrib/workdir/.gitattributes
@@ -0,0 +1 @@ +/git-new-workdir eol=lf
diff --git a/convert.c b/convert.c index 8d652bf..f1e168b 100644 --- a/convert.c +++ b/convert.c
@@ -4,6 +4,7 @@ #include "quote.h" #include "sigchain.h" #include "pkt-line.h" +#include "sub-process.h" /* * convert.c - convert a file when checking it out and checking it in. @@ -497,126 +498,26 @@ static int apply_single_file_filter(const char *path, const char *src, size_t le #define CAP_SMUDGE (1u<<1) struct cmd2process { - struct hashmap_entry ent; /* must be the first member! */ + struct subprocess_entry subprocess; /* must be the first member! */ unsigned int supported_capabilities; - const char *cmd; - struct child_process process; }; -static int cmd_process_map_initialized; -static struct hashmap cmd_process_map; +static int subprocess_map_initialized; +static struct hashmap subprocess_map; -static int cmd2process_cmp(const struct cmd2process *e1, - const struct cmd2process *e2, - const void *unused) -{ - return strcmp(e1->cmd, e2->cmd); -} - -static struct cmd2process *find_multi_file_filter_entry(struct hashmap *hashmap, const char *cmd) -{ - struct cmd2process key; - hashmap_entry_init(&key, strhash(cmd)); - key.cmd = cmd; - return hashmap_get(hashmap, &key, NULL); -} - -static int packet_write_list(int fd, const char *line, ...) -{ - va_list args; - int err; - va_start(args, line); - for (;;) { - if (!line) - break; - if (strlen(line) > LARGE_PACKET_DATA_MAX) - return -1; - err = packet_write_fmt_gently(fd, "%s\n", line); - if (err) - return err; - line = va_arg(args, const char*); - } - va_end(args); - return packet_flush_gently(fd); -} - -static void read_multi_file_filter_status(int fd, struct strbuf *status) -{ - struct strbuf **pair; - char *line; - for (;;) { - line = packet_read_line(fd, NULL); - if (!line) - break; - pair = strbuf_split_str(line, '=', 2); - if (pair[0] && pair[0]->len && pair[1]) { - /* the last "status=<foo>" line wins */ - if (!strcmp(pair[0]->buf, "status=")) { - strbuf_reset(status); - strbuf_addbuf(status, pair[1]); - } - } - strbuf_list_free(pair); - } -} - -static void kill_multi_file_filter(struct hashmap *hashmap, struct cmd2process *entry) -{ - if (!entry) - return; - - entry->process.clean_on_exit = 0; - kill(entry->process.pid, SIGTERM); - finish_command(&entry->process); - - hashmap_remove(hashmap, entry, NULL); - free(entry); -} - -static void stop_multi_file_filter(struct child_process *process) -{ - sigchain_push(SIGPIPE, SIG_IGN); - /* Closing the pipe signals the filter to initiate a shutdown. */ - close(process->in); - close(process->out); - sigchain_pop(SIGPIPE); - /* Finish command will wait until the shutdown is complete. */ - finish_command(process); -} - -static struct cmd2process *start_multi_file_filter(struct hashmap *hashmap, const char *cmd) +static int start_multi_file_filter_fn(struct subprocess_entry *subprocess) { int err; - struct cmd2process *entry; - struct child_process *process; - const char *argv[] = { cmd, NULL }; + struct cmd2process *entry = (struct cmd2process *)subprocess; struct string_list cap_list = STRING_LIST_INIT_NODUP; char *cap_buf; const char *cap_name; - - entry = xmalloc(sizeof(*entry)); - entry->cmd = cmd; - entry->supported_capabilities = 0; - process = &entry->process; - - child_process_init(process); - process->argv = argv; - process->use_shell = 1; - process->in = -1; - process->out = -1; - process->clean_on_exit = 1; - process->clean_on_exit_handler = stop_multi_file_filter; - - if (start_command(process)) { - error("cannot fork to run external filter '%s'", cmd); - return NULL; - } - - hashmap_entry_init(entry, strhash(cmd)); + struct child_process *process = &subprocess->process; + const char *cmd = subprocess->cmd; sigchain_push(SIGPIPE, SIG_IGN); - err = packet_write_list(process->in, "git-filter-client", "version=2", NULL); + err = packet_writel(process->in, "git-filter-client", "version=2", NULL); if (err) goto done; @@ -632,7 +533,7 @@ static struct cmd2process *start_multi_file_filter(struct hashmap *hashmap, cons if (err) goto done; - err = packet_write_list(process->in, "capability=clean", "capability=smudge", NULL); + err = packet_writel(process->in, "capability=clean", "capability=smudge", NULL); for (;;) { cap_buf = packet_read_line(process->out, NULL); @@ -661,14 +562,7 @@ static struct cmd2process *start_multi_file_filter(struct hashmap *hashmap, cons done: sigchain_pop(SIGPIPE); - if (err || errno == EPIPE) { - error("initialization for external filter '%s' failed", cmd); - kill_multi_file_filter(hashmap, entry); - return NULL; - } - - hashmap_add(hashmap, entry); - return entry; + return err; } static int apply_multi_file_filter(const char *path, const char *src, size_t len, @@ -682,22 +576,26 @@ static int apply_multi_file_filter(const char *path, const char *src, size_t len struct strbuf filter_status = STRBUF_INIT; const char *filter_type; - if (!cmd_process_map_initialized) { - cmd_process_map_initialized = 1; - hashmap_init(&cmd_process_map, (hashmap_cmp_fn) cmd2process_cmp, 0); + if (!subprocess_map_initialized) { + subprocess_map_initialized = 1; + hashmap_init(&subprocess_map, (hashmap_cmp_fn) cmd2process_cmp, 0); entry = NULL; } else { - entry = find_multi_file_filter_entry(&cmd_process_map, cmd); + entry = (struct cmd2process *)subprocess_find_entry(&subprocess_map, cmd); } fflush(NULL); if (!entry) { - entry = start_multi_file_filter(&cmd_process_map, cmd); - if (!entry) + entry = xmalloc(sizeof(*entry)); + entry->supported_capabilities = 0; + + if (subprocess_start(&subprocess_map, &entry->subprocess, cmd, start_multi_file_filter_fn)) { + free(entry); return 0; + } } - process = &entry->process; + process = &entry->subprocess.process; if (!(wanted_capability & entry->supported_capabilities)) return 0; @@ -737,7 +635,10 @@ static int apply_multi_file_filter(const char *path, const char *src, size_t len if (err) goto done; - read_multi_file_filter_status(process->out, &filter_status); + err = subprocess_read_status(process->out, &filter_status); + if (err) + goto done; + err = strcmp(filter_status.buf, "success"); if (err) goto done; @@ -746,13 +647,16 @@ static int apply_multi_file_filter(const char *path, const char *src, size_t len if (err) goto done; - read_multi_file_filter_status(process->out, &filter_status); + err = subprocess_read_status(process->out, &filter_status); + if (err) + goto done; + err = strcmp(filter_status.buf, "success"); done: sigchain_pop(SIGPIPE); - if (err || errno == EPIPE) { + if (err) { if (!strcmp(filter_status.buf, "error")) { /* The filter signaled a problem with the file. */ } else if (!strcmp(filter_status.buf, "abort")) { @@ -768,7 +672,8 @@ static int apply_multi_file_filter(const char *path, const char *src, size_t len * Force shutdown and restart if another blob requires filtering. */ error("external filter '%s' failed", cmd); - kill_multi_file_filter(&cmd_process_map, entry); + subprocess_stop(&subprocess_map, &entry->subprocess); + free(entry); } } else { strbuf_swap(dst, &nbuf);
diff --git a/diff-lib.c b/diff-lib.c index 5244746..76c8f18 100644 --- a/diff-lib.c +++ b/diff-lib.c
@@ -29,7 +29,7 @@ static int check_removed(const struct cache_entry *ce, struct stat *st) { if (lstat(ce->name, st) < 0) { - if (errno != ENOENT && errno != ENOTDIR) + if (!is_missing_file_error(errno)) return -1; return 1; } @@ -478,7 +478,7 @@ static int oneway_diff(const struct cache_entry * const *src, } static int diff_cache(struct rev_info *revs, - const unsigned char *tree_sha1, + const struct object_id *tree_oid, const char *tree_name, int cached) { @@ -486,10 +486,10 @@ static int diff_cache(struct rev_info *revs, struct tree_desc t; struct unpack_trees_options opts; - tree = parse_tree_indirect(tree_sha1); + tree = parse_tree_indirect(tree_oid); if (!tree) return error("bad tree object %s", - tree_name ? tree_name : sha1_to_hex(tree_sha1)); + tree_name ? tree_name : oid_to_hex(tree_oid)); memset(&opts, 0, sizeof(opts)); opts.head_idx = 1; opts.index_only = cached; @@ -512,7 +512,7 @@ int run_diff_index(struct rev_info *revs, int cached) struct object_array_entry *ent; ent = revs->pending.objects; - if (diff_cache(revs, ent->item->oid.hash, ent->name, cached)) + if (diff_cache(revs, &ent->item->oid, ent->name, cached)) exit(128); diff_set_mnemonic_prefix(&revs->diffopt, "c/", cached ? "i/" : "w/"); @@ -522,7 +522,7 @@ int run_diff_index(struct rev_info *revs, int cached) return 0; } -int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt) +int do_diff_cache(const struct object_id *tree_oid, struct diff_options *opt) { struct rev_info revs; @@ -530,7 +530,7 @@ int do_diff_cache(const unsigned char *tree_sha1, struct diff_options *opt) copy_pathspec(&revs.prune_data, &opt->pathspec); revs.diffopt = *opt; - if (diff_cache(&revs, tree_sha1, NULL, 1)) + if (diff_cache(&revs, tree_oid, NULL, 1)) exit(128); return 0; }
diff --git a/diff.c b/diff.c index 74283d9..5275c4b 100644 --- a/diff.c +++ b/diff.c
@@ -27,7 +27,7 @@ #endif static int diff_detect_rename_default; -static int diff_indent_heuristic; /* experimental */ +static int diff_indent_heuristic = 1; static int diff_rename_limit_default = 400; static int diff_suppress_blank_empty; static int diff_use_color_default = -1; @@ -290,9 +290,6 @@ int git_diff_ui_config(const char *var, const char *value, void *cb) return 0; } - if (git_diff_heuristic_config(var, value, cb) < 0) - return -1; - if (!strcmp(var, "diff.wserrorhighlight")) { int val = parse_ws_error_highlight(value); if (val < 0) @@ -351,6 +348,9 @@ int git_diff_basic_config(const char *var, const char *value, void *cb) if (starts_with(var, "submodule.")) return parse_submodule_config_option(var, value); + if (git_diff_heuristic_config(var, value, cb) < 0) + return -1; + return git_default_config(var, value, cb); } @@ -5244,7 +5244,7 @@ size_t fill_textconv(struct userdiff_driver *driver, if (driver->textconv_cache && df->oid_valid) { *outbuf = notes_cache_get(driver->textconv_cache, - df->oid.hash, + &df->oid, &size); if (*outbuf) return size; @@ -5256,7 +5256,7 @@ size_t fill_textconv(struct userdiff_driver *driver, if (driver->textconv_cache && df->oid_valid) { /* ignore errors, as we might be in a readonly repository */ - notes_cache_put(driver->textconv_cache, df->oid.hash, *outbuf, + notes_cache_put(driver->textconv_cache, &df->oid, *outbuf, size); /* * we could save up changes and flush them all at the end, @@ -5270,6 +5270,29 @@ size_t fill_textconv(struct userdiff_driver *driver, return size; } +int textconv_object(const char *path, + unsigned mode, + const struct object_id *oid, + int oid_valid, + char **buf, + unsigned long *buf_size) +{ + struct diff_filespec *df; + struct userdiff_driver *textconv; + + df = alloc_filespec(path); + fill_filespec(df, oid->hash, oid_valid, mode); + textconv = get_textconv(df); + if (!textconv) { + free_filespec(df); + return 0; + } + + *buf_size = fill_textconv(textconv, df, buf); + free_filespec(df); + return 1; +} + void setup_diff_pager(struct diff_options *opt) { /*
diff --git a/diff.h b/diff.h index 5be1ee7..67537f1 100644 --- a/diff.h +++ b/diff.h
@@ -354,7 +354,7 @@ extern const char *diff_aligned_abbrev(const struct object_id *sha1, int); extern int run_diff_files(struct rev_info *revs, unsigned int option); extern int run_diff_index(struct rev_info *revs, int cached); -extern int do_diff_cache(const unsigned char *, struct diff_options *); +extern int do_diff_cache(const struct object_id *, struct diff_options *); extern int diff_flush_patch_id(struct diff_options *, unsigned char *, int); extern int diff_result_code(struct diff_options *, int); @@ -385,6 +385,13 @@ extern size_t fill_textconv(struct userdiff_driver *driver, */ extern struct userdiff_driver *get_textconv(struct diff_filespec *one); +/* + * Prepare diff_filespec and convert it using diff textconv API + * if the textconv driver exists. + * Return 1 if the conversion succeeds, 0 otherwise. + */ +extern int textconv_object(const char *path, unsigned mode, const struct object_id *oid, int oid_valid, char **buf, unsigned long *buf_size); + extern int parse_rename_score(const char **cp_p); extern long parse_algorithm_value(const char *value);
diff --git a/dir.c b/dir.c index f451bfa..70f2de3 100644 --- a/dir.c +++ b/dir.c
@@ -7,6 +7,7 @@ * Copyright (C) Linus Torvalds, 2005-2006 * Junio Hamano, 2005-2006 */ +#define NO_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "dir.h" #include "attr.h" @@ -45,9 +46,11 @@ struct cached_dir { }; static enum path_treatment read_directory_recursive(struct dir_struct *dir, - const char *path, int len, struct untracked_cache_dir *untracked, + struct index_state *istate, const char *path, int len, + struct untracked_cache_dir *untracked, int check_only, const struct pathspec *pathspec); -static int get_dtype(struct dirent *de, const char *path, int len); +static int get_dtype(struct dirent *de, struct index_state *istate, + const char *path, int len); int fspathcmp(const char *a, const char *b) { @@ -174,7 +177,9 @@ char *common_prefix(const struct pathspec *pathspec) return len ? xmemdupz(pathspec->items[0].match, len) : NULL; } -int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec) +int fill_directory(struct dir_struct *dir, + struct index_state *istate, + const struct pathspec *pathspec) { const char *prefix; size_t prefix_len; @@ -187,7 +192,7 @@ int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec) prefix = prefix_len ? pathspec->items[0].match : ""; /* Read the directory and prune it */ - read_directory(dir, prefix, prefix_len, pathspec); + read_directory(dir, istate, prefix, prefix_len, pathspec); return prefix_len; } @@ -587,7 +592,8 @@ void add_exclude(const char *string, const char *base, x->el = el; } -static void *read_skip_worktree_file_from_index(const char *path, size_t *size, +static void *read_skip_worktree_file_from_index(const struct index_state *istate, + const char *path, size_t *size, struct sha1_stat *sha1_stat) { int pos, len; @@ -596,12 +602,12 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size, void *data; len = strlen(path); - pos = cache_name_pos(path, len); + pos = index_name_pos(istate, path, len); if (pos < 0) return NULL; - if (!ce_skip_worktree(active_cache[pos])) + if (!ce_skip_worktree(istate->cache[pos])) return NULL; - data = read_sha1_file(active_cache[pos]->oid.hash, &type, &sz); + data = read_sha1_file(istate->cache[pos]->oid.hash, &type, &sz); if (!data || type != OBJ_BLOB) { free(data); return NULL; @@ -609,7 +615,7 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size, *size = xsize_t(sz); if (sha1_stat) { memset(&sha1_stat->stat, 0, sizeof(sha1_stat->stat)); - hashcpy(sha1_stat->sha1, active_cache[pos]->oid.hash); + hashcpy(sha1_stat->sha1, istate->cache[pos]->oid.hash); } return data; } @@ -727,7 +733,7 @@ static void invalidate_directory(struct untracked_cache *uc, /* * Given a file with name "fname", read it (either from disk, or from - * the index if "check_index" is non-zero), parse it and store the + * an index if 'istate' is non-null), parse it and store the * exclude rules in "el". * * If "ss" is not NULL, compute SHA-1 of the exclude file and fill @@ -735,7 +741,8 @@ static void invalidate_directory(struct untracked_cache *uc, * ss_valid is non-zero, "ss" must contain good value as input. */ static int add_excludes(const char *fname, const char *base, int baselen, - struct exclude_list *el, int check_index, + struct exclude_list *el, + struct index_state *istate, struct sha1_stat *sha1_stat) { struct stat st; @@ -749,8 +756,8 @@ static int add_excludes(const char *fname, const char *base, int baselen, warn_on_inaccessible(fname); if (0 <= fd) close(fd); - if (!check_index || - (buf = read_skip_worktree_file_from_index(fname, &size, sha1_stat)) == NULL) + if (!istate || + (buf = read_skip_worktree_file_from_index(istate, fname, &size, sha1_stat)) == NULL) return -1; if (size == 0) { free(buf); @@ -782,15 +789,15 @@ static int add_excludes(const char *fname, const char *base, int baselen, if (sha1_stat) { int pos; if (sha1_stat->valid && - !match_stat_data_racy(&the_index, &sha1_stat->stat, &st)) + !match_stat_data_racy(istate, &sha1_stat->stat, &st)) ; /* no content change, ss->sha1 still good */ - else if (check_index && - (pos = cache_name_pos(fname, strlen(fname))) >= 0 && - !ce_stage(active_cache[pos]) && - ce_uptodate(active_cache[pos]) && + else if (istate && + (pos = index_name_pos(istate, fname, strlen(fname))) >= 0 && + !ce_stage(istate->cache[pos]) && + ce_uptodate(istate->cache[pos]) && !would_convert_to_git(fname)) hashcpy(sha1_stat->sha1, - active_cache[pos]->oid.hash); + istate->cache[pos]->oid.hash); else hash_sha1_file(buf, size, "blob", sha1_stat->sha1); fill_stat_data(&sha1_stat->stat, &st); @@ -821,9 +828,9 @@ static int add_excludes(const char *fname, const char *base, int baselen, int add_excludes_from_file_to_list(const char *fname, const char *base, int baselen, struct exclude_list *el, - int check_index) + struct index_state *istate) { - return add_excludes(fname, base, baselen, el, check_index, NULL); + return add_excludes(fname, base, baselen, el, istate, NULL); } struct exclude_list *add_exclude_list(struct dir_struct *dir, @@ -855,7 +862,7 @@ static void add_excludes_from_file_1(struct dir_struct *dir, const char *fname, if (!dir->untracked) dir->unmanaged_exclude_files++; el = add_exclude_list(dir, EXC_FILE, fname); - if (add_excludes(fname, "", 0, el, 0, sha1_stat) < 0) + if (add_excludes(fname, "", 0, el, NULL, sha1_stat) < 0) die("cannot use %s as an exclude file", fname); } @@ -958,7 +965,8 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname, int pathlen, const char *basename, int *dtype, - struct exclude_list *el) + struct exclude_list *el, + struct index_state *istate) { struct exclude *exc = NULL; /* undecided */ int i; @@ -973,7 +981,7 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname, if (x->flags & EXC_FLAG_MUSTBEDIR) { if (*dtype == DT_UNKNOWN) - *dtype = get_dtype(NULL, pathname, pathlen); + *dtype = get_dtype(NULL, istate, pathname, pathlen); if (*dtype != DT_DIR) continue; } @@ -1006,16 +1014,18 @@ static struct exclude *last_exclude_matching_from_list(const char *pathname, */ int is_excluded_from_list(const char *pathname, int pathlen, const char *basename, int *dtype, - struct exclude_list *el) + struct exclude_list *el, struct index_state *istate) { struct exclude *exclude; - exclude = last_exclude_matching_from_list(pathname, pathlen, basename, dtype, el); + exclude = last_exclude_matching_from_list(pathname, pathlen, basename, + dtype, el, istate); if (exclude) return exclude->flags & EXC_FLAG_NEGATIVE ? 0 : 1; return -1; /* undecided */ } static struct exclude *last_exclude_matching_from_lists(struct dir_struct *dir, + struct index_state *istate, const char *pathname, int pathlen, const char *basename, int *dtype_p) { @@ -1027,7 +1037,7 @@ static struct exclude *last_exclude_matching_from_lists(struct dir_struct *dir, for (j = group->nr - 1; j >= 0; j--) { exclude = last_exclude_matching_from_list( pathname, pathlen, basename, dtype_p, - &group->el[j]); + &group->el[j], istate); if (exclude) return exclude; } @@ -1039,7 +1049,9 @@ static struct exclude *last_exclude_matching_from_lists(struct dir_struct *dir, * Loads the per-directory exclude list for the substring of base * which has a char length of baselen. */ -static void prep_exclude(struct dir_struct *dir, const char *base, int baselen) +static void prep_exclude(struct dir_struct *dir, + struct index_state *istate, + const char *base, int baselen) { struct exclude_list_group *group; struct exclude_list *el; @@ -1118,6 +1130,7 @@ static void prep_exclude(struct dir_struct *dir, const char *base, int baselen) int dt = DT_DIR; dir->basebuf.buf[stk->baselen - 1] = 0; dir->exclude = last_exclude_matching_from_lists(dir, + istate, dir->basebuf.buf, stk->baselen - 1, dir->basebuf.buf + current, &dt); dir->basebuf.buf[stk->baselen - 1] = '/'; @@ -1159,7 +1172,7 @@ static void prep_exclude(struct dir_struct *dir, const char *base, int baselen) strbuf_addbuf(&sb, &dir->basebuf); strbuf_addstr(&sb, dir->exclude_per_dir); el->src = strbuf_detach(&sb, NULL); - add_excludes(el->src, el->src, stk->baselen, el, 1, + add_excludes(el->src, el->src, stk->baselen, el, istate, untracked ? &sha1_stat : NULL); } /* @@ -1194,19 +1207,20 @@ static void prep_exclude(struct dir_struct *dir, const char *base, int baselen) * undecided. */ struct exclude *last_exclude_matching(struct dir_struct *dir, - const char *pathname, - int *dtype_p) + struct index_state *istate, + const char *pathname, + int *dtype_p) { int pathlen = strlen(pathname); const char *basename = strrchr(pathname, '/'); basename = (basename) ? basename+1 : pathname; - prep_exclude(dir, pathname, basename-pathname); + prep_exclude(dir, istate, pathname, basename-pathname); if (dir->exclude) return dir->exclude; - return last_exclude_matching_from_lists(dir, pathname, pathlen, + return last_exclude_matching_from_lists(dir, istate, pathname, pathlen, basename, dtype_p); } @@ -1215,10 +1229,11 @@ struct exclude *last_exclude_matching(struct dir_struct *dir, * scans all exclude lists to determine whether pathname is excluded. * Returns 1 if true, otherwise 0. */ -int is_excluded(struct dir_struct *dir, const char *pathname, int *dtype_p) +int is_excluded(struct dir_struct *dir, struct index_state *istate, + const char *pathname, int *dtype_p) { struct exclude *exclude = - last_exclude_matching(dir, pathname, dtype_p); + last_exclude_matching(dir, istate, pathname, dtype_p); if (exclude) return exclude->flags & EXC_FLAG_NEGATIVE ? 0 : 1; return 0; @@ -1233,18 +1248,22 @@ static struct dir_entry *dir_entry_new(const char *pathname, int len) return ent; } -static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathname, int len) +static struct dir_entry *dir_add_name(struct dir_struct *dir, + struct index_state *istate, + const char *pathname, int len) { - if (cache_file_exists(pathname, len, ignore_case)) + if (index_file_exists(istate, pathname, len, ignore_case)) return NULL; ALLOC_GROW(dir->entries, dir->nr+1, dir->alloc); return dir->entries[dir->nr++] = dir_entry_new(pathname, len); } -struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len) +struct dir_entry *dir_add_ignored(struct dir_struct *dir, + struct index_state *istate, + const char *pathname, int len) { - if (!cache_name_is_other(pathname, len)) + if (!index_name_is_other(istate, pathname, len)) return NULL; ALLOC_GROW(dir->ignored, dir->ignored_nr+1, dir->ignored_alloc); @@ -1262,14 +1281,15 @@ enum exist_status { * the directory name; instead, use the case insensitive * directory hash. */ -static enum exist_status directory_exists_in_index_icase(const char *dirname, int len) +static enum exist_status directory_exists_in_index_icase(struct index_state *istate, + const char *dirname, int len) { struct cache_entry *ce; - if (cache_dir_exists(dirname, len)) + if (index_dir_exists(istate, dirname, len)) return index_directory; - ce = cache_file_exists(dirname, len, ignore_case); + ce = index_file_exists(istate, dirname, len, ignore_case); if (ce && S_ISGITLINK(ce->ce_mode)) return index_gitdir; @@ -1283,18 +1303,19 @@ static enum exist_status directory_exists_in_index_icase(const char *dirname, in * the files it contains) will sort with the '/' at the * end. */ -static enum exist_status directory_exists_in_index(const char *dirname, int len) +static enum exist_status directory_exists_in_index(struct index_state *istate, + const char *dirname, int len) { int pos; if (ignore_case) - return directory_exists_in_index_icase(dirname, len); + return directory_exists_in_index_icase(istate, dirname, len); - pos = cache_name_pos(dirname, len); + pos = index_name_pos(istate, dirname, len); if (pos < 0) pos = -pos-1; - while (pos < active_nr) { - const struct cache_entry *ce = active_cache[pos++]; + while (pos < istate->cache_nr) { + const struct cache_entry *ce = istate->cache[pos++]; unsigned char endchar; if (strncmp(ce->name, dirname, len)) @@ -1344,12 +1365,13 @@ static enum exist_status directory_exists_in_index(const char *dirname, int len) * (c) otherwise, we recurse into it. */ static enum path_treatment treat_directory(struct dir_struct *dir, + struct index_state *istate, struct untracked_cache_dir *untracked, const char *dirname, int len, int baselen, int exclude, const struct pathspec *pathspec) { /* The "len-1" is to strip the final '/' */ - switch (directory_exists_in_index(dirname, len-1)) { + switch (directory_exists_in_index(istate, dirname, len-1)) { case index_directory: return path_recurse; @@ -1374,7 +1396,7 @@ static enum path_treatment treat_directory(struct dir_struct *dir, untracked = lookup_untracked(dir->untracked, untracked, dirname + baselen, len - baselen); - return read_directory_recursive(dir, dirname, len, + return read_directory_recursive(dir, istate, dirname, len, untracked, 1, pathspec); } @@ -1455,12 +1477,13 @@ static int exclude_matches_pathspec(const char *path, int pathlen, return 0; } -static int get_index_dtype(const char *path, int len) +static int get_index_dtype(struct index_state *istate, + const char *path, int len) { int pos; const struct cache_entry *ce; - ce = cache_file_exists(path, len, 0); + ce = index_file_exists(istate, path, len, 0); if (ce) { if (!ce_uptodate(ce)) return DT_UNKNOWN; @@ -1474,12 +1497,12 @@ static int get_index_dtype(const char *path, int len) } /* Try to look it up as a directory */ - pos = cache_name_pos(path, len); + pos = index_name_pos(istate, path, len); if (pos >= 0) return DT_UNKNOWN; pos = -pos-1; - while (pos < active_nr) { - ce = active_cache[pos++]; + while (pos < istate->cache_nr) { + ce = istate->cache[pos++]; if (strncmp(ce->name, path, len)) break; if (ce->name[len] > '/') @@ -1493,14 +1516,15 @@ static int get_index_dtype(const char *path, int len) return DT_UNKNOWN; } -static int get_dtype(struct dirent *de, const char *path, int len) +static int get_dtype(struct dirent *de, struct index_state *istate, + const char *path, int len) { int dtype = de ? DTYPE(de) : DT_UNKNOWN; struct stat st; if (dtype != DT_UNKNOWN) return dtype; - dtype = get_index_dtype(path, len); + dtype = get_index_dtype(istate, path, len); if (dtype != DT_UNKNOWN) return dtype; if (lstat(path, &st)) @@ -1516,16 +1540,17 @@ static int get_dtype(struct dirent *de, const char *path, int len) static enum path_treatment treat_one_path(struct dir_struct *dir, struct untracked_cache_dir *untracked, + struct index_state *istate, struct strbuf *path, int baselen, const struct pathspec *pathspec, int dtype, struct dirent *de) { int exclude; - int has_path_in_index = !!cache_file_exists(path->buf, path->len, ignore_case); + int has_path_in_index = !!index_file_exists(istate, path->buf, path->len, ignore_case); if (dtype == DT_UNKNOWN) - dtype = get_dtype(de, path->buf, path->len); + dtype = get_dtype(de, istate, path->buf, path->len); /* Always exclude indexed files */ if (dtype != DT_DIR && has_path_in_index) @@ -1552,10 +1577,10 @@ static enum path_treatment treat_one_path(struct dir_struct *dir, if ((dir->flags & DIR_COLLECT_KILLED_ONLY) && (dtype == DT_DIR) && !has_path_in_index && - (directory_exists_in_index(path->buf, path->len) == index_nonexistent)) + (directory_exists_in_index(istate, path->buf, path->len) == index_nonexistent)) return path_none; - exclude = is_excluded(dir, path->buf, &dtype); + exclude = is_excluded(dir, istate, path->buf, &dtype); /* * Excluded? If we don't explicitly want to show @@ -1569,7 +1594,7 @@ static enum path_treatment treat_one_path(struct dir_struct *dir, return path_none; case DT_DIR: strbuf_addch(path, '/'); - return treat_directory(dir, untracked, path->buf, path->len, + return treat_directory(dir, istate, untracked, path->buf, path->len, baselen, exclude, pathspec); case DT_REG: case DT_LNK: @@ -1580,6 +1605,7 @@ static enum path_treatment treat_one_path(struct dir_struct *dir, static enum path_treatment treat_path_fast(struct dir_struct *dir, struct untracked_cache_dir *untracked, struct cached_dir *cdir, + struct index_state *istate, struct strbuf *path, int baselen, const struct pathspec *pathspec) @@ -1598,7 +1624,7 @@ static enum path_treatment treat_path_fast(struct dir_struct *dir, * to its bottom. Verify again the same set of directories * with check_only set. */ - return read_directory_recursive(dir, path->buf, path->len, + return read_directory_recursive(dir, istate, path->buf, path->len, cdir->ucd, 1, pathspec); /* * We get path_recurse in the first run when @@ -1612,6 +1638,7 @@ static enum path_treatment treat_path_fast(struct dir_struct *dir, static enum path_treatment treat_path(struct dir_struct *dir, struct untracked_cache_dir *untracked, struct cached_dir *cdir, + struct index_state *istate, struct strbuf *path, int baselen, const struct pathspec *pathspec) @@ -1620,7 +1647,7 @@ static enum path_treatment treat_path(struct dir_struct *dir, struct dirent *de = cdir->de; if (!de) - return treat_path_fast(dir, untracked, cdir, path, + return treat_path_fast(dir, untracked, cdir, istate, path, baselen, pathspec); if (is_dot_or_dotdot(de->d_name) || !strcmp(de->d_name, ".git")) return path_none; @@ -1630,7 +1657,7 @@ static enum path_treatment treat_path(struct dir_struct *dir, return path_none; dtype = DTYPE(de); - return treat_one_path(dir, untracked, path, baselen, pathspec, dtype, de); + return treat_one_path(dir, untracked, istate, path, baselen, pathspec, dtype, de); } static void add_untracked(struct untracked_cache_dir *dir, const char *name) @@ -1644,6 +1671,7 @@ static void add_untracked(struct untracked_cache_dir *dir, const char *name) static int valid_cached_dir(struct dir_struct *dir, struct untracked_cache_dir *untracked, + struct index_state *istate, struct strbuf *path, int check_only) { @@ -1658,7 +1686,7 @@ static int valid_cached_dir(struct dir_struct *dir, return 0; } if (!untracked->valid || - match_stat_data_racy(&the_index, &untracked->stat_data, &st)) { + match_stat_data_racy(istate, &untracked->stat_data, &st)) { if (untracked->valid) invalidate_directory(dir->untracked, untracked); fill_stat_data(&untracked->stat_data, &st); @@ -1679,10 +1707,10 @@ static int valid_cached_dir(struct dir_struct *dir, */ if (path->len && path->buf[path->len - 1] != '/') { strbuf_addch(path, '/'); - prep_exclude(dir, path->buf, path->len); + prep_exclude(dir, istate, path->buf, path->len); strbuf_setlen(path, path->len - 1); } else - prep_exclude(dir, path->buf, path->len); + prep_exclude(dir, istate, path->buf, path->len); /* hopefully prep_exclude() haven't invalidated this entry... */ return untracked->valid; @@ -1691,12 +1719,13 @@ static int valid_cached_dir(struct dir_struct *dir, static int open_cached_dir(struct cached_dir *cdir, struct dir_struct *dir, struct untracked_cache_dir *untracked, + struct index_state *istate, struct strbuf *path, int check_only) { memset(cdir, 0, sizeof(*cdir)); cdir->untracked = untracked; - if (valid_cached_dir(dir, untracked, path, check_only)) + if (valid_cached_dir(dir, untracked, istate, path, check_only)) return 0; cdir->fdir = opendir(path->len ? path->buf : "."); if (dir->untracked) @@ -1759,9 +1788,9 @@ static void close_cached_dir(struct cached_dir *cdir) * Returns the most significant path_treatment value encountered in the scan. */ static enum path_treatment read_directory_recursive(struct dir_struct *dir, - const char *base, int baselen, - struct untracked_cache_dir *untracked, int check_only, - const struct pathspec *pathspec) + struct index_state *istate, const char *base, int baselen, + struct untracked_cache_dir *untracked, int check_only, + const struct pathspec *pathspec) { struct cached_dir cdir; enum path_treatment state, subdir_state, dir_state = path_none; @@ -1769,7 +1798,7 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, strbuf_add(&path, base, baselen); - if (open_cached_dir(&cdir, dir, untracked, &path, check_only)) + if (open_cached_dir(&cdir, dir, untracked, istate, &path, check_only)) goto out; if (untracked) @@ -1777,20 +1806,23 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, while (!read_cached_dir(&cdir)) { /* check how the file or directory should be treated */ - state = treat_path(dir, untracked, &cdir, &path, + state = treat_path(dir, untracked, &cdir, istate, &path, baselen, pathspec); if (state > dir_state) dir_state = state; /* recurse into subdir if instructed by treat_path */ - if (state == path_recurse) { + if ((state == path_recurse) || + ((state == path_untracked) && + (dir->flags & DIR_SHOW_IGNORED_TOO) && + (get_dtype(cdir.de, istate, path.buf, path.len) == DT_DIR))) { struct untracked_cache_dir *ud; ud = lookup_untracked(dir->untracked, untracked, path.buf + baselen, path.len - baselen); subdir_state = - read_directory_recursive(dir, path.buf, + read_directory_recursive(dir, istate, path.buf, path.len, ud, check_only, pathspec); if (subdir_state > dir_state) @@ -1812,18 +1844,18 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, switch (state) { case path_excluded: if (dir->flags & DIR_SHOW_IGNORED) - dir_add_name(dir, path.buf, path.len); + dir_add_name(dir, istate, path.buf, path.len); else if ((dir->flags & DIR_SHOW_IGNORED_TOO) || ((dir->flags & DIR_COLLECT_IGNORED) && exclude_matches_pathspec(path.buf, path.len, pathspec))) - dir_add_ignored(dir, path.buf, path.len); + dir_add_ignored(dir, istate, path.buf, path.len); break; case path_untracked: if (dir->flags & DIR_SHOW_IGNORED) break; - dir_add_name(dir, path.buf, path.len); + dir_add_name(dir, istate, path.buf, path.len); if (cdir.fdir) add_untracked(untracked, path.buf + baselen); break; @@ -1839,7 +1871,7 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir, return dir_state; } -static int cmp_name(const void *p1, const void *p2) +int cmp_dir_entry(const void *p1, const void *p2) { const struct dir_entry *e1 = *(const struct dir_entry **)p1; const struct dir_entry *e2 = *(const struct dir_entry **)p2; @@ -1847,7 +1879,16 @@ static int cmp_name(const void *p1, const void *p2) return name_compare(e1->name, e1->len, e2->name, e2->len); } +/* check if *out lexically strictly contains *in */ +int check_dir_entry_contains(const struct dir_entry *out, const struct dir_entry *in) +{ + return (out->len < in->len) && + (out->name[out->len - 1] == '/') && + !memcmp(out->name, in->name, out->len); +} + static int treat_leading_path(struct dir_struct *dir, + struct index_state *istate, const char *path, int len, const struct pathspec *pathspec) { @@ -1875,7 +1916,7 @@ static int treat_leading_path(struct dir_struct *dir, break; if (simplify_away(sb.buf, sb.len, pathspec)) break; - if (treat_one_path(dir, NULL, &sb, baselen, pathspec, + if (treat_one_path(dir, NULL, istate, &sb, baselen, pathspec, DT_DIR, NULL) == path_none) break; /* do not recurse into it */ if (len <= baselen) { @@ -2043,8 +2084,8 @@ static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *d return root; } -int read_directory(struct dir_struct *dir, const char *path, - int len, const struct pathspec *pathspec) +int read_directory(struct dir_struct *dir, struct index_state *istate, + const char *path, int len, const struct pathspec *pathspec) { struct untracked_cache_dir *untracked; @@ -2058,10 +2099,34 @@ int read_directory(struct dir_struct *dir, const char *path, * e.g. prep_exclude() */ dir->untracked = NULL; - if (!len || treat_leading_path(dir, path, len, pathspec)) - read_directory_recursive(dir, path, len, untracked, 0, pathspec); - QSORT(dir->entries, dir->nr, cmp_name); - QSORT(dir->ignored, dir->ignored_nr, cmp_name); + if (!len || treat_leading_path(dir, istate, path, len, pathspec)) + read_directory_recursive(dir, istate, path, len, untracked, 0, pathspec); + QSORT(dir->entries, dir->nr, cmp_dir_entry); + QSORT(dir->ignored, dir->ignored_nr, cmp_dir_entry); + + /* + * If DIR_SHOW_IGNORED_TOO is set, read_directory_recursive() will + * also pick up untracked contents of untracked dirs; by default + * we discard these, but given DIR_KEEP_UNTRACKED_CONTENTS we do not. + */ + if ((dir->flags & DIR_SHOW_IGNORED_TOO) && + !(dir->flags & DIR_KEEP_UNTRACKED_CONTENTS)) { + int i, j; + + /* remove from dir->entries untracked contents of untracked dirs */ + for (i = j = 0; j < dir->nr; j++) { + if (i && + check_dir_entry_contains(dir->entries[i - 1], dir->entries[j])) { + free(dir->entries[j]); + dir->entries[j] = NULL; + } else { + dir->entries[i++] = dir->entries[j]; + } + } + + dir->nr = i; + } + if (dir->untracked) { static struct trace_key trace_untracked_stats = TRACE_KEY_INIT(UNTRACKED_STATS); trace_printf_key(&trace_untracked_stats, @@ -2073,12 +2138,12 @@ int read_directory(struct dir_struct *dir, const char *path, dir->untracked->gitignore_invalidated, dir->untracked->dir_invalidated, dir->untracked->dir_opened); - if (dir->untracked == the_index.untracked && + if (dir->untracked == istate->untracked && (dir->untracked->dir_opened || dir->untracked->gitignore_invalidated || dir->untracked->dir_invalidated)) - the_index.cache_changed |= UNTRACKED_CHANGED; - if (dir->untracked != the_index.untracked) { + istate->cache_changed |= UNTRACKED_CHANGED; + if (dir->untracked != istate->untracked) { free(dir->untracked); dir->untracked = NULL; } @@ -2272,7 +2337,7 @@ int remove_path(const char *name) { char *slash; - if (unlink(name) && errno != ENOENT && errno != ENOTDIR) + if (unlink(name) && !is_missing_file_error(errno)) return -1; slash = strrchr(name, '/');
diff --git a/dir.h b/dir.h index bf23a47..a89c13e 100644 --- a/dir.h +++ b/dir.h
@@ -151,7 +151,8 @@ struct dir_struct { DIR_NO_GITLINKS = 1<<3, DIR_COLLECT_IGNORED = 1<<4, DIR_SHOW_IGNORED_TOO = 1<<5, - DIR_COLLECT_KILLED_ONLY = 1<<6 + DIR_COLLECT_KILLED_ONLY = 1<<6, + DIR_KEEP_UNTRACKED_CONTENTS = 1<<7 } flags; struct dir_entry **entries; struct dir_entry **ignored; @@ -214,12 +215,20 @@ extern int match_pathspec(const struct pathspec *pathspec, extern int report_path_error(const char *ps_matched, const struct pathspec *pathspec, const char *prefix); extern int within_depth(const char *name, int namelen, int depth, int max_depth); -extern int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec); -extern int read_directory(struct dir_struct *, const char *path, int len, const struct pathspec *pathspec); +extern int fill_directory(struct dir_struct *dir, + struct index_state *istate, + const struct pathspec *pathspec); +extern int read_directory(struct dir_struct *, struct index_state *istate, + const char *path, int len, + const struct pathspec *pathspec); -extern int is_excluded_from_list(const char *pathname, int pathlen, const char *basename, - int *dtype, struct exclude_list *el); -struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len); +extern int is_excluded_from_list(const char *pathname, int pathlen, + const char *basename, int *dtype, + struct exclude_list *el, + struct index_state *istate); +struct dir_entry *dir_add_ignored(struct dir_struct *dir, + struct index_state *istate, + const char *pathname, int len); /* * these implement the matching logic for dir.c:excluded_from_list and @@ -232,14 +241,17 @@ extern int match_pathname(const char *, int, const char *, int, int, unsigned); extern struct exclude *last_exclude_matching(struct dir_struct *dir, + struct index_state *istate, const char *name, int *dtype); -extern int is_excluded(struct dir_struct *dir, const char *name, int *dtype); +extern int is_excluded(struct dir_struct *dir, + struct index_state *istate, + const char *name, int *dtype); extern struct exclude_list *add_exclude_list(struct dir_struct *dir, int group_type, const char *src); extern int add_excludes_from_file_to_list(const char *fname, const char *base, int baselen, - struct exclude_list *el, int check_index); + struct exclude_list *el, struct index_state *istate); extern void add_excludes_from_file(struct dir_struct *, const char *fname); extern void parse_exclude_pattern(const char **string, int *patternlen, unsigned *flags, int *nowildcardlen); extern void add_exclude(const char *string, const char *base, @@ -326,6 +338,9 @@ static inline int dir_path_match(const struct dir_entry *ent, has_trailing_dir); } +int cmp_dir_entry(const void *p1, const void *p2); +int check_dir_entry_contains(const struct dir_entry *out, const struct dir_entry *in); + void untracked_cache_invalidate_path(struct index_state *, const char *); void untracked_cache_remove_from_index(struct index_state *, const char *); void untracked_cache_add_to_index(struct index_state *, const char *);
diff --git a/environment.c b/environment.c index 5604089..aa478e7 100644 --- a/environment.c +++ b/environment.c
@@ -169,7 +169,7 @@ static void setup_git_env(void) git_dir = getenv(GIT_DIR_ENVIRONMENT); if (!git_dir) { if (!startup_info->have_repository) - die("BUG: setup_git_env called without repository"); + BUG("setup_git_env called without repository"); git_dir = DEFAULT_GIT_DIR_ENVIRONMENT; } gitfile = read_gitfile(git_dir);
diff --git a/fast-import.c b/fast-import.c index cf58f87..e69d219 100644 --- a/fast-import.c +++ b/fast-import.c
@@ -226,7 +226,7 @@ struct tree_entry { struct atom_str *name; struct tree_entry_ms { uint16_t mode; - unsigned char sha1[20]; + struct object_id oid; } versions[2]; }; @@ -252,19 +252,19 @@ struct branch { unsigned active : 1; unsigned delete : 1; unsigned pack_id : PACK_ID_BITS; - unsigned char sha1[20]; + struct object_id oid; }; struct tag { struct tag *next_tag; const char *name; unsigned int pack_id; - unsigned char sha1[20]; + struct object_id oid; }; struct hash_list { struct hash_list *next; - unsigned char sha1[20]; + struct object_id oid; }; typedef enum { @@ -386,13 +386,15 @@ static void write_branch_report(FILE *rpt, struct branch *b) fputs(" active", rpt); if (b->branch_tree.tree) fputs(" loaded", rpt); - if (is_null_sha1(b->branch_tree.versions[1].sha1)) + if (is_null_oid(&b->branch_tree.versions[1].oid)) fputs(" dirty", rpt); fputc('\n', rpt); - fprintf(rpt, " tip commit : %s\n", sha1_to_hex(b->sha1)); - fprintf(rpt, " old tree : %s\n", sha1_to_hex(b->branch_tree.versions[0].sha1)); - fprintf(rpt, " cur tree : %s\n", sha1_to_hex(b->branch_tree.versions[1].sha1)); + fprintf(rpt, " tip commit : %s\n", oid_to_hex(&b->oid)); + fprintf(rpt, " old tree : %s\n", + oid_to_hex(&b->branch_tree.versions[0].oid)); + fprintf(rpt, " cur tree : %s\n", + oid_to_hex(&b->branch_tree.versions[1].oid)); fprintf(rpt, " commit clock: %" PRIuMAX "\n", b->last_commit); fputs(" last pack : ", rpt); @@ -470,7 +472,7 @@ static void write_crash_report(const char *err) fputs("Annotated Tags\n", rpt); fputs("--------------\n", rpt); for (tg = first_tag; tg; tg = tg->next_tag) { - fputs(sha1_to_hex(tg->sha1), rpt); + fputs(oid_to_hex(&tg->oid), rpt); fputc(' ', rpt); fputs(tg->name, rpt); fputc('\n', rpt); @@ -555,7 +557,7 @@ static void alloc_objects(unsigned int cnt) alloc_count += cnt; } -static struct object_entry *new_object(unsigned char *sha1) +static struct object_entry *new_object(struct object_id *oid) { struct object_entry *e; @@ -563,32 +565,32 @@ static struct object_entry *new_object(unsigned char *sha1) alloc_objects(object_entry_alloc); e = blocks->next_free++; - hashcpy(e->idx.sha1, sha1); + oidcpy(&e->idx.oid, oid); return e; } -static struct object_entry *find_object(unsigned char *sha1) +static struct object_entry *find_object(struct object_id *oid) { - unsigned int h = sha1[0] << 8 | sha1[1]; + unsigned int h = oid->hash[0] << 8 | oid->hash[1]; struct object_entry *e; for (e = object_table[h]; e; e = e->next) - if (!hashcmp(sha1, e->idx.sha1)) + if (!oidcmp(oid, &e->idx.oid)) return e; return NULL; } -static struct object_entry *insert_object(unsigned char *sha1) +static struct object_entry *insert_object(struct object_id *oid) { - unsigned int h = sha1[0] << 8 | sha1[1]; + unsigned int h = oid->hash[0] << 8 | oid->hash[1]; struct object_entry *e = object_table[h]; while (e) { - if (!hashcmp(sha1, e->idx.sha1)) + if (!oidcmp(oid, &e->idx.oid)) return e; e = e->next; } - e = new_object(sha1); + e = new_object(oid); e->next = object_table[h]; e->idx.offset = 0; object_table[h] = e; @@ -876,7 +878,7 @@ static struct tree_content *dup_tree_content(struct tree_content *s) a = s->entries[i]; b = new_tree_entry(); memcpy(b, a, sizeof(*a)); - if (a->tree && is_null_sha1(b->versions[1].sha1)) + if (a->tree && is_null_oid(&b->versions[1].oid)) b->tree = dup_tree_content(a->tree); else b->tree = NULL; @@ -1005,17 +1007,17 @@ static void end_packfile(void) clear_delta_base_cache(); if (object_count) { struct packed_git *new_p; - unsigned char cur_pack_sha1[20]; + struct object_id cur_pack_oid; char *idx_name; int i; struct branch *b; struct tag *t; close_pack_windows(pack_data); - sha1close(pack_file, cur_pack_sha1, 0); + sha1close(pack_file, cur_pack_oid.hash, 0); fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1, pack_data->pack_name, object_count, - cur_pack_sha1, pack_size); + cur_pack_oid.hash, pack_size); if (object_count <= unpack_limit) { if (!loosen_small_pack(pack_data)) { @@ -1041,12 +1043,14 @@ static void end_packfile(void) for (i = 0; i < branch_table_sz; i++) { for (b = branch_table[i]; b; b = b->table_next_branch) { if (b->pack_id == pack_id) - fprintf(pack_edges, " %s", sha1_to_hex(b->sha1)); + fprintf(pack_edges, " %s", + oid_to_hex(&b->oid)); } } for (t = first_tag; t; t = t->next_tag) { if (t->pack_id == pack_id) - fprintf(pack_edges, " %s", sha1_to_hex(t->sha1)); + fprintf(pack_edges, " %s", + oid_to_hex(&t->oid)); } fputc('\n', pack_edges); fflush(pack_edges); @@ -1079,13 +1083,13 @@ static int store_object( enum object_type type, struct strbuf *dat, struct last_object *last, - unsigned char *sha1out, + struct object_id *oidout, uintmax_t mark) { void *out, *delta; struct object_entry *e; unsigned char hdr[96]; - unsigned char sha1[20]; + struct object_id oid; unsigned long hdrlen, deltalen; git_SHA_CTX c; git_zstream s; @@ -1095,17 +1099,17 @@ static int store_object( git_SHA1_Init(&c); git_SHA1_Update(&c, hdr, hdrlen); git_SHA1_Update(&c, dat->buf, dat->len); - git_SHA1_Final(sha1, &c); - if (sha1out) - hashcpy(sha1out, sha1); + git_SHA1_Final(oid.hash, &c); + if (oidout) + oidcpy(oidout, &oid); - e = insert_object(sha1); + e = insert_object(&oid); if (mark) insert_mark(mark, e); if (e->idx.offset) { duplicate_count_by_type[type]++; return 1; - } else if (find_sha1_pack(sha1, packed_git)) { + } else if (find_sha1_pack(oid.hash, packed_git)) { e->type = type; e->pack_id = MAX_PACK_ID; e->idx.offset = 1; /* just not zero! */ @@ -1218,13 +1222,13 @@ static void truncate_pack(struct sha1file_checkpoint *checkpoint) pack_size = checkpoint->offset; } -static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) +static void stream_blob(uintmax_t len, struct object_id *oidout, uintmax_t mark) { size_t in_sz = 64 * 1024, out_sz = 64 * 1024; unsigned char *in_buf = xmalloc(in_sz); unsigned char *out_buf = xmalloc(out_sz); struct object_entry *e; - unsigned char sha1[20]; + struct object_id oid; unsigned long hdrlen; off_t offset; git_SHA_CTX c; @@ -1287,12 +1291,12 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) } } git_deflate_end(&s); - git_SHA1_Final(sha1, &c); + git_SHA1_Final(oid.hash, &c); - if (sha1out) - hashcpy(sha1out, sha1); + if (oidout) + oidcpy(oidout, &oid); - e = insert_object(sha1); + e = insert_object(&oid); if (mark) insert_mark(mark, e); @@ -1301,7 +1305,7 @@ static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) duplicate_count_by_type[OBJ_BLOB]++; truncate_pack(&checkpoint); - } else if (find_sha1_pack(sha1, packed_git)) { + } else if (find_sha1_pack(oid.hash, packed_git)) { e->type = OBJ_BLOB; e->pack_id = MAX_PACK_ID; e->idx.offset = 1; /* just not zero! */ @@ -1385,7 +1389,7 @@ static const char *get_mode(const char *str, uint16_t *modep) static void load_tree(struct tree_entry *root) { - unsigned char *sha1 = root->versions[1].sha1; + struct object_id *oid = &root->versions[1].oid; struct object_entry *myoe; struct tree_content *t; unsigned long size; @@ -1393,22 +1397,22 @@ static void load_tree(struct tree_entry *root) const char *c; root->tree = t = new_tree_content(8); - if (is_null_sha1(sha1)) + if (is_null_oid(oid)) return; - myoe = find_object(sha1); + myoe = find_object(oid); if (myoe && myoe->pack_id != MAX_PACK_ID) { if (myoe->type != OBJ_TREE) - die("Not a tree: %s", sha1_to_hex(sha1)); + die("Not a tree: %s", oid_to_hex(oid)); t->delta_depth = myoe->depth; buf = gfi_unpack_entry(myoe, &size); if (!buf) - die("Can't load tree %s", sha1_to_hex(sha1)); + die("Can't load tree %s", oid_to_hex(oid)); } else { enum object_type type; - buf = read_sha1_file(sha1, &type, &size); + buf = read_sha1_file(oid->hash, &type, &size); if (!buf || type != OBJ_TREE) - die("Can't load tree %s", sha1_to_hex(sha1)); + die("Can't load tree %s", oid_to_hex(oid)); } c = buf; @@ -1422,13 +1426,13 @@ static void load_tree(struct tree_entry *root) e->tree = NULL; c = get_mode(c, &e->versions[1].mode); if (!c) - die("Corrupt mode in %s", sha1_to_hex(sha1)); + die("Corrupt mode in %s", oid_to_hex(oid)); e->versions[0].mode = e->versions[1].mode; e->name = to_atom(c, strlen(c)); c += e->name->str_len + 1; - hashcpy(e->versions[0].sha1, (unsigned char *)c); - hashcpy(e->versions[1].sha1, (unsigned char *)c); - c += 20; + hashcpy(e->versions[0].oid.hash, (unsigned char *)c); + hashcpy(e->versions[1].oid.hash, (unsigned char *)c); + c += GIT_SHA1_RAWSZ; } free(buf); } @@ -1475,7 +1479,7 @@ static void mktree(struct tree_content *t, int v, struct strbuf *b) strbuf_addf(b, "%o %s%c", (unsigned int)(e->versions[v].mode & ~NO_DELTA), e->name->str_dat, '\0'); - strbuf_add(b, e->versions[v].sha1, 20); + strbuf_add(b, e->versions[v].oid.hash, GIT_SHA1_RAWSZ); } } @@ -1486,7 +1490,7 @@ static void store_tree(struct tree_entry *root) struct last_object lo = { STRBUF_INIT, 0, 0, /* no_swap */ 1 }; struct object_entry *le = NULL; - if (!is_null_sha1(root->versions[1].sha1)) + if (!is_null_oid(&root->versions[1].oid)) return; if (!root->tree) @@ -1499,7 +1503,7 @@ static void store_tree(struct tree_entry *root) } if (!(root->versions[0].mode & NO_DELTA)) - le = find_object(root->versions[0].sha1); + le = find_object(&root->versions[0].oid); if (S_ISDIR(root->versions[0].mode) && le && le->pack_id == pack_id) { mktree(t, 0, &old_tree); lo.data = old_tree; @@ -1508,14 +1512,14 @@ static void store_tree(struct tree_entry *root) } mktree(t, 1, &new_tree); - store_object(OBJ_TREE, &new_tree, &lo, root->versions[1].sha1, 0); + store_object(OBJ_TREE, &new_tree, &lo, &root->versions[1].oid, 0); t->delta_depth = lo.depth; for (i = 0, j = 0, del = 0; i < t->entry_count; i++) { struct tree_entry *e = t->entries[i]; if (e->versions[1].mode) { e->versions[0].mode = e->versions[1].mode; - hashcpy(e->versions[0].sha1, e->versions[1].sha1); + oidcpy(&e->versions[0].oid, &e->versions[1].oid); t->entries[j++] = e; } else { release_tree_entry(e); @@ -1527,14 +1531,14 @@ static void store_tree(struct tree_entry *root) static void tree_content_replace( struct tree_entry *root, - const unsigned char *sha1, + const struct object_id *oid, const uint16_t mode, struct tree_content *newtree) { if (!S_ISDIR(mode)) die("Root cannot be a non-directory"); - hashclr(root->versions[0].sha1); - hashcpy(root->versions[1].sha1, sha1); + oidclr(&root->versions[0].oid); + oidcpy(&root->versions[1].oid, oid); if (root->tree) release_tree_content_recursive(root->tree); root->tree = newtree; @@ -1543,7 +1547,7 @@ static void tree_content_replace( static int tree_content_set( struct tree_entry *root, const char *p, - const unsigned char *sha1, + const struct object_id *oid, const uint16_t mode, struct tree_content *subtree) { @@ -1568,10 +1572,10 @@ static int tree_content_set( if (!*slash1) { if (!S_ISDIR(mode) && e->versions[1].mode == mode - && !hashcmp(e->versions[1].sha1, sha1)) + && !oidcmp(&e->versions[1].oid, oid)) return 0; e->versions[1].mode = mode; - hashcpy(e->versions[1].sha1, sha1); + oidcpy(&e->versions[1].oid, oid); if (e->tree) release_tree_content_recursive(e->tree); e->tree = subtree; @@ -1592,7 +1596,7 @@ static int tree_content_set( if (S_ISDIR(e->versions[0].mode)) e->versions[0].mode |= NO_DELTA; - hashclr(root->versions[1].sha1); + oidclr(&root->versions[1].oid); return 1; } if (!S_ISDIR(e->versions[1].mode)) { @@ -1601,8 +1605,8 @@ static int tree_content_set( } if (!e->tree) load_tree(e); - if (tree_content_set(e, slash1 + 1, sha1, mode, subtree)) { - hashclr(root->versions[1].sha1); + if (tree_content_set(e, slash1 + 1, oid, mode, subtree)) { + oidclr(&root->versions[1].oid); return 1; } return 0; @@ -1614,18 +1618,18 @@ static int tree_content_set( e = new_tree_entry(); e->name = to_atom(p, n); e->versions[0].mode = 0; - hashclr(e->versions[0].sha1); + oidclr(&e->versions[0].oid); t->entries[t->entry_count++] = e; if (*slash1) { e->tree = new_tree_content(8); e->versions[1].mode = S_IFDIR; - tree_content_set(e, slash1 + 1, sha1, mode, subtree); + tree_content_set(e, slash1 + 1, oid, mode, subtree); } else { e->tree = subtree; e->versions[1].mode = mode; - hashcpy(e->versions[1].sha1, sha1); + oidcpy(&e->versions[1].oid, oid); } - hashclr(root->versions[1].sha1); + oidclr(&root->versions[1].oid); return 1; } @@ -1670,7 +1674,7 @@ static int tree_content_remove( if (tree_content_remove(e, slash1 + 1, backup_leaf, 0)) { for (n = 0; n < e->tree->entry_count; n++) { if (e->tree->entries[n]->versions[1].mode) { - hashclr(root->versions[1].sha1); + oidclr(&root->versions[1].oid); return 1; } } @@ -1689,8 +1693,8 @@ static int tree_content_remove( release_tree_content_recursive(e->tree); e->tree = NULL; e->versions[1].mode = 0; - hashclr(e->versions[1].sha1); - hashclr(root->versions[1].sha1); + oidclr(&e->versions[1].oid); + oidclr(&root->versions[1].oid); return 1; } @@ -1735,7 +1739,7 @@ static int tree_content_get( found_entry: memcpy(leaf, e, sizeof(*leaf)); - if (e->tree && is_null_sha1(e->versions[1].sha1)) + if (e->tree && is_null_oid(&e->versions[1].oid)) leaf->tree = dup_tree_content(e->tree); else leaf->tree = NULL; @@ -1746,34 +1750,35 @@ static int update_branch(struct branch *b) { static const char *msg = "fast-import"; struct ref_transaction *transaction; - unsigned char old_sha1[20]; + struct object_id old_oid; struct strbuf err = STRBUF_INIT; - if (is_null_sha1(b->sha1)) { + if (is_null_oid(&b->oid)) { if (b->delete) delete_ref(NULL, b->name, NULL, 0); return 0; } - if (read_ref(b->name, old_sha1)) - hashclr(old_sha1); - if (!force_update && !is_null_sha1(old_sha1)) { + if (read_ref(b->name, old_oid.hash)) + oidclr(&old_oid); + if (!force_update && !is_null_oid(&old_oid)) { struct commit *old_cmit, *new_cmit; - old_cmit = lookup_commit_reference_gently(old_sha1, 0); - new_cmit = lookup_commit_reference_gently(b->sha1, 0); + old_cmit = lookup_commit_reference_gently(&old_oid, 0); + new_cmit = lookup_commit_reference_gently(&b->oid, 0); if (!old_cmit || !new_cmit) return error("Branch %s is missing commits.", b->name); if (!in_merge_bases(old_cmit, new_cmit)) { warning("Not updating %s" " (new tip %s does not contain %s)", - b->name, sha1_to_hex(b->sha1), sha1_to_hex(old_sha1)); + b->name, oid_to_hex(&b->oid), + oid_to_hex(&old_oid)); return -1; } } transaction = ref_transaction_begin(&err); if (!transaction || - ref_transaction_update(transaction, b->name, b->sha1, old_sha1, + ref_transaction_update(transaction, b->name, b->oid.hash, old_oid.hash, 0, msg, &err) || ref_transaction_commit(transaction, &err)) { ref_transaction_free(transaction); @@ -1815,7 +1820,7 @@ static void dump_tags(void) strbuf_addf(&ref_name, "refs/tags/%s", t->name); if (ref_transaction_update(transaction, ref_name.buf, - t->sha1, NULL, 0, msg, &err)) { + t->oid.hash, NULL, 0, msg, &err)) { failure |= error("%s", err.buf); goto cleanup; } @@ -1844,7 +1849,7 @@ static void dump_marks_helper(FILE *f, for (k = 0; k < 1024; k++) { if (m->data.marked[k]) fprintf(f, ":%" PRIuMAX " %s\n", base + k, - sha1_to_hex(m->data.marked[k]->idx.sha1)); + oid_to_hex(&m->data.marked[k]->idx.oid)); } } } @@ -1893,7 +1898,7 @@ static void read_marks(void) while (fgets(line, sizeof(line), f)) { uintmax_t mark; char *end; - unsigned char sha1[20]; + struct object_id oid; struct object_entry *e; end = strchr(line, '\n'); @@ -1902,14 +1907,14 @@ static void read_marks(void) *end = 0; mark = strtoumax(line + 1, &end, 10); if (!mark || end == line + 1 - || *end != ' ' || get_sha1_hex(end + 1, sha1)) + || *end != ' ' || get_oid_hex(end + 1, &oid)) die("corrupt mark line: %s", line); - e = find_object(sha1); + e = find_object(&oid); if (!e) { - enum object_type type = sha1_object_info(sha1, NULL); + enum object_type type = sha1_object_info(oid.hash, NULL); if (type < 0) - die("object not found: %s", sha1_to_hex(sha1)); - e = insert_object(sha1); + die("object not found: %s", oid_to_hex(&oid)); + e = insert_object(&oid); e->type = type; e->pack_id = MAX_PACK_ID; e->idx.offset = 1; /* just not zero! */ @@ -2117,21 +2122,21 @@ static char *parse_ident(const char *buf) static void parse_and_store_blob( struct last_object *last, - unsigned char *sha1out, + struct object_id *oidout, uintmax_t mark) { static struct strbuf buf = STRBUF_INIT; uintmax_t len; if (parse_data(&buf, big_file_threshold, &len)) - store_object(OBJ_BLOB, &buf, last, sha1out, mark); + store_object(OBJ_BLOB, &buf, last, oidout, mark); else { if (last) { strbuf_release(&last->data); last->offset = 0; last->depth = 0; } - stream_blob(len, sha1out, mark); + stream_blob(len, oidout, mark); skip_optional_lf(); } } @@ -2207,21 +2212,21 @@ static void construct_path_with_fanout(const char *hex_sha1, path[i++] = '/'; fanout--; } - memcpy(path + i, hex_sha1 + j, 40 - j); - path[i + 40 - j] = '\0'; + memcpy(path + i, hex_sha1 + j, GIT_SHA1_HEXSZ - j); + path[i + GIT_SHA1_HEXSZ - j] = '\0'; } static uintmax_t do_change_note_fanout( struct tree_entry *orig_root, struct tree_entry *root, - char *hex_sha1, unsigned int hex_sha1_len, + char *hex_oid, unsigned int hex_oid_len, char *fullpath, unsigned int fullpath_len, unsigned char fanout) { struct tree_content *t; struct tree_entry *e, leaf; - unsigned int i, tmp_hex_sha1_len, tmp_fullpath_len; + unsigned int i, tmp_hex_oid_len, tmp_fullpath_len; uintmax_t num_notes = 0; - unsigned char sha1[20]; + struct object_id oid; char realpath[60]; if (!root->tree) @@ -2230,7 +2235,7 @@ static uintmax_t do_change_note_fanout( for (i = 0; t && i < t->entry_count; i++) { e = t->entries[i]; - tmp_hex_sha1_len = hex_sha1_len + e->name->str_len; + tmp_hex_oid_len = hex_oid_len + e->name->str_len; tmp_fullpath_len = fullpath_len; /* @@ -2242,12 +2247,12 @@ static uintmax_t do_change_note_fanout( * of 2 chars. */ if (!e->versions[1].mode || - tmp_hex_sha1_len > 40 || + tmp_hex_oid_len > GIT_SHA1_HEXSZ || e->name->str_len % 2) continue; /* This _may_ be a note entry, or a subdir containing notes */ - memcpy(hex_sha1 + hex_sha1_len, e->name->str_dat, + memcpy(hex_oid + hex_oid_len, e->name->str_dat, e->name->str_len); if (tmp_fullpath_len) fullpath[tmp_fullpath_len++] = '/'; @@ -2256,14 +2261,14 @@ static uintmax_t do_change_note_fanout( tmp_fullpath_len += e->name->str_len; fullpath[tmp_fullpath_len] = '\0'; - if (tmp_hex_sha1_len == 40 && !get_sha1_hex(hex_sha1, sha1)) { + if (tmp_hex_oid_len == GIT_SHA1_HEXSZ && !get_oid_hex(hex_oid, &oid)) { /* This is a note entry */ if (fanout == 0xff) { /* Counting mode, no rename */ num_notes++; continue; } - construct_path_with_fanout(hex_sha1, fanout, realpath); + construct_path_with_fanout(hex_oid, fanout, realpath); if (!strcmp(fullpath, realpath)) { /* Note entry is in correct location */ num_notes++; @@ -2274,13 +2279,13 @@ static uintmax_t do_change_note_fanout( if (!tree_content_remove(orig_root, fullpath, &leaf, 0)) die("Failed to remove path %s", fullpath); tree_content_set(orig_root, realpath, - leaf.versions[1].sha1, + &leaf.versions[1].oid, leaf.versions[1].mode, leaf.tree); } else if (S_ISDIR(e->versions[1].mode)) { /* This is a subdir that may contain note entries */ num_notes += do_change_note_fanout(orig_root, e, - hex_sha1, tmp_hex_sha1_len, + hex_oid, tmp_hex_oid_len, fullpath, tmp_fullpath_len, fanout); } @@ -2293,8 +2298,14 @@ static uintmax_t do_change_note_fanout( static uintmax_t change_note_fanout(struct tree_entry *root, unsigned char fanout) { - char hex_sha1[40], path[60]; - return do_change_note_fanout(root, root, hex_sha1, 0, path, 0, fanout); + /* + * The size of path is due to one slash between every two hex digits, + * plus the terminating NUL. Note that there is no slash at the end, so + * the number of slashes is one less than half the number of hex + * characters. + */ + char hex_oid[GIT_MAX_HEXSZ], path[GIT_MAX_HEXSZ + (GIT_MAX_HEXSZ / 2) - 1 + 1]; + return do_change_note_fanout(root, root, hex_oid, 0, path, 0, fanout); } /* @@ -2355,7 +2366,7 @@ static void file_change_m(const char *p, struct branch *b) static struct strbuf uq = STRBUF_INIT; const char *endp; struct object_entry *oe; - unsigned char sha1[20]; + struct object_id oid; uint16_t mode, inline_data = 0; p = get_mode(p, &mode); @@ -2378,15 +2389,14 @@ static void file_change_m(const char *p, struct branch *b) if (*p == ':') { oe = find_mark(parse_mark_ref_space(&p)); - hashcpy(sha1, oe->idx.sha1); + oidcpy(&oid, &oe->idx.oid); } else if (skip_prefix(p, "inline ", &p)) { inline_data = 1; oe = NULL; /* not used with inline_data, but makes gcc happy */ } else { - if (get_sha1_hex(p, sha1)) + if (parse_oid_hex(p, &oid, &p)) die("Invalid dataref: %s", command_buf.buf); - oe = find_object(sha1); - p += 40; + oe = find_object(&oid); if (*p++ != ' ') die("Missing space after SHA1: %s", command_buf.buf); } @@ -2399,7 +2409,7 @@ static void file_change_m(const char *p, struct branch *b) } /* Git does not track empty, non-toplevel directories. */ - if (S_ISDIR(mode) && !hashcmp(sha1, EMPTY_TREE_SHA1_BIN) && *p) { + if (S_ISDIR(mode) && is_empty_tree_oid(&oid) && *p) { tree_content_remove(&b->branch_tree, p, NULL, 0); return; } @@ -2426,12 +2436,12 @@ static void file_change_m(const char *p, struct branch *b) p = uq.buf; } read_next_command(); - parse_and_store_blob(&last_blob, sha1, 0); + parse_and_store_blob(&last_blob, &oid, 0); } else { enum object_type expected = S_ISDIR(mode) ? OBJ_TREE: OBJ_BLOB; enum object_type type = oe ? oe->type : - sha1_object_info(sha1, NULL); + sha1_object_info(oid.hash, NULL); if (type < 0) die("%s not found: %s", S_ISDIR(mode) ? "Tree" : "Blob", @@ -2443,10 +2453,10 @@ static void file_change_m(const char *p, struct branch *b) } if (!*p) { - tree_content_replace(&b->branch_tree, sha1, mode, NULL); + tree_content_replace(&b->branch_tree, &oid, mode, NULL); return; } - tree_content_set(&b->branch_tree, p, sha1, mode, NULL); + tree_content_set(&b->branch_tree, p, &oid, mode, NULL); } static void file_change_d(const char *p, struct branch *b) @@ -2504,13 +2514,13 @@ static void file_change_cr(const char *s, struct branch *b, int rename) die("Path %s not in branch", s); if (!*d) { /* C "path/to/subdir" "" */ tree_content_replace(&b->branch_tree, - leaf.versions[1].sha1, + &leaf.versions[1].oid, leaf.versions[1].mode, leaf.tree); return; } tree_content_set(&b->branch_tree, d, - leaf.versions[1].sha1, + &leaf.versions[1].oid, leaf.versions[1].mode, leaf.tree); } @@ -2520,7 +2530,7 @@ static void note_change_n(const char *p, struct branch *b, unsigned char *old_fa static struct strbuf uq = STRBUF_INIT; struct object_entry *oe; struct branch *s; - unsigned char sha1[20], commit_sha1[20]; + struct object_id oid, commit_oid; char path[60]; uint16_t inline_data = 0; unsigned char new_fanout; @@ -2545,15 +2555,14 @@ static void note_change_n(const char *p, struct branch *b, unsigned char *old_fa /* <dataref> or 'inline' */ if (*p == ':') { oe = find_mark(parse_mark_ref_space(&p)); - hashcpy(sha1, oe->idx.sha1); + oidcpy(&oid, &oe->idx.oid); } else if (skip_prefix(p, "inline ", &p)) { inline_data = 1; oe = NULL; /* not used with inline_data, but makes gcc happy */ } else { - if (get_sha1_hex(p, sha1)) + if (parse_oid_hex(p, &oid, &p)) die("Invalid dataref: %s", command_buf.buf); - oe = find_object(sha1); - p += 40; + oe = find_object(&oid); if (*p++ != ' ') die("Missing space after SHA1: %s", command_buf.buf); } @@ -2561,19 +2570,19 @@ static void note_change_n(const char *p, struct branch *b, unsigned char *old_fa /* <commit-ish> */ s = lookup_branch(p); if (s) { - if (is_null_sha1(s->sha1)) + if (is_null_oid(&s->oid)) die("Can't add a note on empty branch."); - hashcpy(commit_sha1, s->sha1); + oidcpy(&commit_oid, &s->oid); } else if (*p == ':') { uintmax_t commit_mark = parse_mark_ref_eol(p); struct object_entry *commit_oe = find_mark(commit_mark); if (commit_oe->type != OBJ_COMMIT) die("Mark :%" PRIuMAX " not a commit", commit_mark); - hashcpy(commit_sha1, commit_oe->idx.sha1); - } else if (!get_sha1(p, commit_sha1)) { + oidcpy(&commit_oid, &commit_oe->idx.oid); + } else if (!get_oid(p, &commit_oid)) { unsigned long size; - char *buf = read_object_with_reference(commit_sha1, - commit_type, &size, commit_sha1); + char *buf = read_object_with_reference(commit_oid.hash, + commit_type, &size, commit_oid.hash); if (!buf || size < 46) die("Not a valid commit: %s", p); free(buf); @@ -2586,13 +2595,13 @@ static void note_change_n(const char *p, struct branch *b, unsigned char *old_fa p = uq.buf; } read_next_command(); - parse_and_store_blob(&last_blob, sha1, 0); + parse_and_store_blob(&last_blob, &oid, 0); } else if (oe) { if (oe->type != OBJ_BLOB) die("Not a blob (actually a %s): %s", typename(oe->type), command_buf.buf); - } else if (!is_null_sha1(sha1)) { - enum object_type type = sha1_object_info(sha1, NULL); + } else if (!is_null_oid(&oid)) { + enum object_type type = sha1_object_info(oid.hash, NULL); if (type < 0) die("Blob not found: %s", command_buf.buf); if (type != OBJ_BLOB) @@ -2600,50 +2609,51 @@ static void note_change_n(const char *p, struct branch *b, unsigned char *old_fa typename(type), command_buf.buf); } - construct_path_with_fanout(sha1_to_hex(commit_sha1), *old_fanout, path); + construct_path_with_fanout(oid_to_hex(&commit_oid), *old_fanout, path); if (tree_content_remove(&b->branch_tree, path, NULL, 0)) b->num_notes--; - if (is_null_sha1(sha1)) + if (is_null_oid(&oid)) return; /* nothing to insert */ b->num_notes++; new_fanout = convert_num_notes_to_fanout(b->num_notes); - construct_path_with_fanout(sha1_to_hex(commit_sha1), new_fanout, path); - tree_content_set(&b->branch_tree, path, sha1, S_IFREG | 0644, NULL); + construct_path_with_fanout(oid_to_hex(&commit_oid), new_fanout, path); + tree_content_set(&b->branch_tree, path, &oid, S_IFREG | 0644, NULL); } static void file_change_deleteall(struct branch *b) { release_tree_content_recursive(b->branch_tree.tree); - hashclr(b->branch_tree.versions[0].sha1); - hashclr(b->branch_tree.versions[1].sha1); + oidclr(&b->branch_tree.versions[0].oid); + oidclr(&b->branch_tree.versions[1].oid); load_tree(&b->branch_tree); b->num_notes = 0; } static void parse_from_commit(struct branch *b, char *buf, unsigned long size) { - if (!buf || size < 46) - die("Not a valid commit: %s", sha1_to_hex(b->sha1)); + if (!buf || size < GIT_SHA1_HEXSZ + 6) + die("Not a valid commit: %s", oid_to_hex(&b->oid)); if (memcmp("tree ", buf, 5) - || get_sha1_hex(buf + 5, b->branch_tree.versions[1].sha1)) - die("The commit %s is corrupt", sha1_to_hex(b->sha1)); - hashcpy(b->branch_tree.versions[0].sha1, - b->branch_tree.versions[1].sha1); + || get_oid_hex(buf + 5, &b->branch_tree.versions[1].oid)) + die("The commit %s is corrupt", oid_to_hex(&b->oid)); + oidcpy(&b->branch_tree.versions[0].oid, + &b->branch_tree.versions[1].oid); } static void parse_from_existing(struct branch *b) { - if (is_null_sha1(b->sha1)) { - hashclr(b->branch_tree.versions[0].sha1); - hashclr(b->branch_tree.versions[1].sha1); + if (is_null_oid(&b->oid)) { + oidclr(&b->branch_tree.versions[0].oid); + oidclr(&b->branch_tree.versions[1].oid); } else { unsigned long size; char *buf; - buf = read_object_with_reference(b->sha1, - commit_type, &size, b->sha1); + buf = read_object_with_reference(b->oid.hash, + commit_type, &size, + b->oid.hash); parse_from_commit(b, buf, size); free(buf); } @@ -2653,28 +2663,28 @@ static int parse_from(struct branch *b) { const char *from; struct branch *s; - unsigned char sha1[20]; + struct object_id oid; if (!skip_prefix(command_buf.buf, "from ", &from)) return 0; - hashcpy(sha1, b->branch_tree.versions[1].sha1); + oidcpy(&oid, &b->branch_tree.versions[1].oid); s = lookup_branch(from); if (b == s) die("Can't create a branch from itself: %s", b->name); else if (s) { - unsigned char *t = s->branch_tree.versions[1].sha1; - hashcpy(b->sha1, s->sha1); - hashcpy(b->branch_tree.versions[0].sha1, t); - hashcpy(b->branch_tree.versions[1].sha1, t); + struct object_id *t = &s->branch_tree.versions[1].oid; + oidcpy(&b->oid, &s->oid); + oidcpy(&b->branch_tree.versions[0].oid, t); + oidcpy(&b->branch_tree.versions[1].oid, t); } else if (*from == ':') { uintmax_t idnum = parse_mark_ref_eol(from); struct object_entry *oe = find_mark(idnum); if (oe->type != OBJ_COMMIT) die("Mark :%" PRIuMAX " not a commit", idnum); - if (hashcmp(b->sha1, oe->idx.sha1)) { - hashcpy(b->sha1, oe->idx.sha1); + if (oidcmp(&b->oid, &oe->idx.oid)) { + oidcpy(&b->oid, &oe->idx.oid); if (oe->pack_id != MAX_PACK_ID) { unsigned long size; char *buf = gfi_unpack_entry(oe, &size); @@ -2683,15 +2693,15 @@ static int parse_from(struct branch *b) } else parse_from_existing(b); } - } else if (!get_sha1(from, b->sha1)) { + } else if (!get_oid(from, &b->oid)) { parse_from_existing(b); - if (is_null_sha1(b->sha1)) + if (is_null_oid(&b->oid)) b->delete = 1; } else die("Invalid ref name or SHA1 expression: %s", from); - if (b->branch_tree.tree && hashcmp(sha1, b->branch_tree.versions[1].sha1)) { + if (b->branch_tree.tree && oidcmp(&oid, &b->branch_tree.versions[1].oid)) { release_tree_content_recursive(b->branch_tree.tree); b->branch_tree.tree = NULL; } @@ -2711,17 +2721,17 @@ static struct hash_list *parse_merge(unsigned int *count) n = xmalloc(sizeof(*n)); s = lookup_branch(from); if (s) - hashcpy(n->sha1, s->sha1); + oidcpy(&n->oid, &s->oid); else if (*from == ':') { uintmax_t idnum = parse_mark_ref_eol(from); struct object_entry *oe = find_mark(idnum); if (oe->type != OBJ_COMMIT) die("Mark :%" PRIuMAX " not a commit", idnum); - hashcpy(n->sha1, oe->idx.sha1); - } else if (!get_sha1(from, n->sha1)) { + oidcpy(&n->oid, &oe->idx.oid); + } else if (!get_oid(from, &n->oid)) { unsigned long size; - char *buf = read_object_with_reference(n->sha1, - commit_type, &size, n->sha1); + char *buf = read_object_with_reference(n->oid.hash, + commit_type, &size, n->oid.hash); if (!buf || size < 46) die("Not a valid commit: %s", from); free(buf); @@ -2808,17 +2818,19 @@ static void parse_new_commit(const char *arg) /* build the tree and the commit */ store_tree(&b->branch_tree); - hashcpy(b->branch_tree.versions[0].sha1, - b->branch_tree.versions[1].sha1); + oidcpy(&b->branch_tree.versions[0].oid, + &b->branch_tree.versions[1].oid); strbuf_reset(&new_data); strbuf_addf(&new_data, "tree %s\n", - sha1_to_hex(b->branch_tree.versions[1].sha1)); - if (!is_null_sha1(b->sha1)) - strbuf_addf(&new_data, "parent %s\n", sha1_to_hex(b->sha1)); + oid_to_hex(&b->branch_tree.versions[1].oid)); + if (!is_null_oid(&b->oid)) + strbuf_addf(&new_data, "parent %s\n", + oid_to_hex(&b->oid)); while (merge_list) { struct hash_list *next = merge_list->next; - strbuf_addf(&new_data, "parent %s\n", sha1_to_hex(merge_list->sha1)); + strbuf_addf(&new_data, "parent %s\n", + oid_to_hex(&merge_list->oid)); free(merge_list); merge_list = next; } @@ -2831,7 +2843,7 @@ static void parse_new_commit(const char *arg) free(author); free(committer); - if (!store_object(OBJ_COMMIT, &new_data, NULL, b->sha1, next_mark)) + if (!store_object(OBJ_COMMIT, &new_data, NULL, &b->oid, next_mark)) b->pack_id = pack_id; b->last_commit = object_count_by_type[OBJ_COMMIT]; } @@ -2844,7 +2856,7 @@ static void parse_new_tag(const char *arg) struct branch *s; struct tag *t; uintmax_t from_mark = 0; - unsigned char sha1[20]; + struct object_id oid; enum object_type type; const char *v; @@ -2863,20 +2875,20 @@ static void parse_new_tag(const char *arg) die("Expected from command, got %s", command_buf.buf); s = lookup_branch(from); if (s) { - if (is_null_sha1(s->sha1)) + if (is_null_oid(&s->oid)) die("Can't tag an empty branch."); - hashcpy(sha1, s->sha1); + oidcpy(&oid, &s->oid); type = OBJ_COMMIT; } else if (*from == ':') { struct object_entry *oe; from_mark = parse_mark_ref_eol(from); oe = find_mark(from_mark); type = oe->type; - hashcpy(sha1, oe->idx.sha1); - } else if (!get_sha1(from, sha1)) { - struct object_entry *oe = find_object(sha1); + oidcpy(&oid, &oe->idx.oid); + } else if (!get_oid(from, &oid)) { + struct object_entry *oe = find_object(&oid); if (!oe) { - type = sha1_object_info(sha1, NULL); + type = sha1_object_info(oid.hash, NULL); if (type < 0) die("Not a valid object: %s", from); } else @@ -2902,7 +2914,7 @@ static void parse_new_tag(const char *arg) "object %s\n" "type %s\n" "tag %s\n", - sha1_to_hex(sha1), typename(type), t->name); + oid_to_hex(&oid), typename(type), t->name); if (tagger) strbuf_addf(&new_data, "tagger %s\n", tagger); @@ -2910,7 +2922,7 @@ static void parse_new_tag(const char *arg) strbuf_addbuf(&new_data, &msg); free(tagger); - if (store_object(OBJ_TAG, &new_data, NULL, t->sha1, 0)) + if (store_object(OBJ_TAG, &new_data, NULL, &t->oid, 0)) t->pack_id = MAX_PACK_ID; else t->pack_id = pack_id; @@ -2922,9 +2934,9 @@ static void parse_reset_branch(const char *arg) b = lookup_branch(arg); if (b) { - hashclr(b->sha1); - hashclr(b->branch_tree.versions[0].sha1); - hashclr(b->branch_tree.versions[1].sha1); + oidclr(&b->oid); + oidclr(&b->branch_tree.versions[0].oid); + oidclr(&b->branch_tree.versions[1].oid); if (b->branch_tree.tree) { release_tree_content_recursive(b->branch_tree.tree); b->branch_tree.tree = NULL; @@ -2944,7 +2956,7 @@ static void cat_blob_write(const char *buf, unsigned long size) die_errno("Write to frontend failed"); } -static void cat_blob(struct object_entry *oe, unsigned char sha1[20]) +static void cat_blob(struct object_entry *oe, struct object_id *oid) { struct strbuf line = STRBUF_INIT; unsigned long size; @@ -2952,7 +2964,7 @@ static void cat_blob(struct object_entry *oe, unsigned char sha1[20]) char *buf; if (!oe || oe->pack_id == MAX_PACK_ID) { - buf = read_sha1_file(sha1, &type, &size); + buf = read_sha1_file(oid->hash, &type, &size); } else { type = oe->type; buf = gfi_unpack_entry(oe, &size); @@ -2963,19 +2975,19 @@ static void cat_blob(struct object_entry *oe, unsigned char sha1[20]) */ if (type <= 0) { strbuf_reset(&line); - strbuf_addf(&line, "%s missing\n", sha1_to_hex(sha1)); + strbuf_addf(&line, "%s missing\n", oid_to_hex(oid)); cat_blob_write(line.buf, line.len); strbuf_release(&line); free(buf); return; } if (!buf) - die("Can't read object %s", sha1_to_hex(sha1)); + die("Can't read object %s", oid_to_hex(oid)); if (type != OBJ_BLOB) die("Object %s is a %s but a blob was expected.", - sha1_to_hex(sha1), typename(type)); + oid_to_hex(oid), typename(type)); strbuf_reset(&line); - strbuf_addf(&line, "%s %s %lu\n", sha1_to_hex(sha1), + strbuf_addf(&line, "%s %s %lu\n", oid_to_hex(oid), typename(type), size); cat_blob_write(line.buf, line.len); strbuf_release(&line); @@ -2992,7 +3004,7 @@ static void cat_blob(struct object_entry *oe, unsigned char sha1[20]) static void parse_get_mark(const char *p) { struct object_entry *oe = oe; - char output[42]; + char output[GIT_MAX_HEXSZ + 2]; /* get-mark SP <object> LF */ if (*p != ':') @@ -3002,43 +3014,43 @@ static void parse_get_mark(const char *p) if (!oe) die("Unknown mark: %s", command_buf.buf); - xsnprintf(output, sizeof(output), "%s\n", sha1_to_hex(oe->idx.sha1)); - cat_blob_write(output, 41); + xsnprintf(output, sizeof(output), "%s\n", oid_to_hex(&oe->idx.oid)); + cat_blob_write(output, GIT_SHA1_HEXSZ + 1); } static void parse_cat_blob(const char *p) { struct object_entry *oe = oe; - unsigned char sha1[20]; + struct object_id oid; /* cat-blob SP <object> LF */ if (*p == ':') { oe = find_mark(parse_mark_ref_eol(p)); if (!oe) die("Unknown mark: %s", command_buf.buf); - hashcpy(sha1, oe->idx.sha1); + oidcpy(&oid, &oe->idx.oid); } else { - if (get_sha1_hex(p, sha1)) + if (parse_oid_hex(p, &oid, &p)) die("Invalid dataref: %s", command_buf.buf); - if (p[40]) + if (*p) die("Garbage after SHA1: %s", command_buf.buf); - oe = find_object(sha1); + oe = find_object(&oid); } - cat_blob(oe, sha1); + cat_blob(oe, &oid); } static struct object_entry *dereference(struct object_entry *oe, - unsigned char sha1[20]) + struct object_id *oid) { unsigned long size; char *buf = NULL; if (!oe) { - enum object_type type = sha1_object_info(sha1, NULL); + enum object_type type = sha1_object_info(oid->hash, NULL); if (type < 0) - die("object not found: %s", sha1_to_hex(sha1)); + die("object not found: %s", oid_to_hex(oid)); /* cache it! */ - oe = insert_object(sha1); + oe = insert_object(oid); oe->type = type; oe->pack_id = MAX_PACK_ID; oe->idx.offset = 1; @@ -3057,49 +3069,48 @@ static struct object_entry *dereference(struct object_entry *oe, buf = gfi_unpack_entry(oe, &size); } else { enum object_type unused; - buf = read_sha1_file(sha1, &unused, &size); + buf = read_sha1_file(oid->hash, &unused, &size); } if (!buf) - die("Can't load object %s", sha1_to_hex(sha1)); + die("Can't load object %s", oid_to_hex(oid)); /* Peel one layer. */ switch (oe->type) { case OBJ_TAG: - if (size < 40 + strlen("object ") || - get_sha1_hex(buf + strlen("object "), sha1)) + if (size < GIT_SHA1_HEXSZ + strlen("object ") || + get_oid_hex(buf + strlen("object "), oid)) die("Invalid SHA1 in tag: %s", command_buf.buf); break; case OBJ_COMMIT: - if (size < 40 + strlen("tree ") || - get_sha1_hex(buf + strlen("tree "), sha1)) + if (size < GIT_SHA1_HEXSZ + strlen("tree ") || + get_oid_hex(buf + strlen("tree "), oid)) die("Invalid SHA1 in commit: %s", command_buf.buf); } free(buf); - return find_object(sha1); + return find_object(oid); } static struct object_entry *parse_treeish_dataref(const char **p) { - unsigned char sha1[20]; + struct object_id oid; struct object_entry *e; if (**p == ':') { /* <mark> */ e = find_mark(parse_mark_ref_space(p)); if (!e) die("Unknown mark: %s", command_buf.buf); - hashcpy(sha1, e->idx.sha1); + oidcpy(&oid, &e->idx.oid); } else { /* <sha1> */ - if (get_sha1_hex(*p, sha1)) + if (parse_oid_hex(*p, &oid, p)) die("Invalid dataref: %s", command_buf.buf); - e = find_object(sha1); - *p += 40; + e = find_object(&oid); if (*(*p)++ != ' ') die("Missing space after tree-ish: %s", command_buf.buf); } while (!e || e->type != OBJ_TREE) - e = dereference(e, sha1); + e = dereference(e, &oid); return e; } @@ -3143,8 +3154,8 @@ static void parse_ls(const char *p, struct branch *b) } else { struct object_entry *e = parse_treeish_dataref(&p); root = new_tree_entry(); - hashcpy(root->versions[1].sha1, e->idx.sha1); - if (!is_null_sha1(root->versions[1].sha1)) + oidcpy(&root->versions[1].oid, &e->idx.oid); + if (!is_null_oid(&root->versions[1].oid)) root->versions[1].mode = S_IFDIR; load_tree(root); } @@ -3166,7 +3177,7 @@ static void parse_ls(const char *p, struct branch *b) if (S_ISDIR(leaf.versions[1].mode)) store_tree(&leaf); - print_ls(leaf.versions[1].mode, leaf.versions[1].sha1, p); + print_ls(leaf.versions[1].mode, leaf.versions[1].oid.hash, p); if (leaf.tree) release_tree_content_recursive(leaf.tree); if (!b || root != &b->branch_tree)
diff --git a/fetch-pack.c b/fetch-pack.c index 5f15dd2..cd86865 100644 --- a/fetch-pack.c +++ b/fetch-pack.c
@@ -15,6 +15,7 @@ #include "version.h" #include "prio-queue.h" #include "sha1-array.h" +#include "oidset.h" static int transfer_unpack_limit = -1; static int fetch_unpack_limit = -1; @@ -78,7 +79,7 @@ static void cache_one_alternate(const char *refname, void *vcache) { struct alternate_object_cache *cache = vcache; - struct object *obj = parse_object(oid->hash); + struct object *obj = parse_object(oid); if (!obj || (obj->flags & ALTERNATE)) return; @@ -118,9 +119,9 @@ static void rev_list_push(struct commit *commit, int mark) } } -static int rev_list_insert_ref(const char *refname, const unsigned char *sha1) +static int rev_list_insert_ref(const char *refname, const struct object_id *oid) { - struct object *o = deref_tag(parse_object(sha1), refname, 0); + struct object *o = deref_tag(parse_object(oid), refname, 0); if (o && o->type == OBJ_COMMIT) rev_list_push((struct commit *)o, SEEN); @@ -131,13 +132,13 @@ static int rev_list_insert_ref(const char *refname, const unsigned char *sha1) static int rev_list_insert_ref_oid(const char *refname, const struct object_id *oid, int flag, void *cb_data) { - return rev_list_insert_ref(refname, oid->hash); + return rev_list_insert_ref(refname, oid); } static int clear_marks(const char *refname, const struct object_id *oid, int flag, void *cb_data) { - struct object *o = deref_tag(parse_object(oid->hash), refname, 0); + struct object *o = deref_tag(parse_object(oid), refname, 0); if (o && o->type == OBJ_COMMIT) clear_commit_marks((struct commit *)o, @@ -183,7 +184,7 @@ static void mark_common(struct commit *commit, Get the next rev to send, ignoring the common. */ -static const unsigned char *get_rev(void) +static const struct object_id *get_rev(void) { struct commit *commit = NULL; @@ -222,7 +223,7 @@ static const unsigned char *get_rev(void) } } - return commit->object.oid.hash; + return &commit->object.oid; } enum ack_type { @@ -251,7 +252,7 @@ static void consume_shallow_list(struct fetch_pack_args *args, int fd) } } -static enum ack_type get_ack(int fd, unsigned char *result_sha1) +static enum ack_type get_ack(int fd, struct object_id *result_oid) { int len; char *line = packet_read_line(fd, &len); @@ -262,7 +263,7 @@ static enum ack_type get_ack(int fd, unsigned char *result_sha1) if (!strcmp(line, "NAK")) return NAK; if (skip_prefix(line, "ACK ", &arg)) { - if (!get_sha1_hex(arg, result_sha1)) { + if (!get_oid_hex(arg, result_oid)) { arg += 40; len -= arg - line; if (len < 1) @@ -293,7 +294,7 @@ static void send_request(struct fetch_pack_args *args, static void insert_one_alternate_object(struct object *obj) { - rev_list_insert_ref(NULL, obj->oid.hash); + rev_list_insert_ref(NULL, &obj->oid); } #define INITIAL_FLUSH 16 @@ -317,12 +318,12 @@ static int next_flush(struct fetch_pack_args *args, int count) } static int find_common(struct fetch_pack_args *args, - int fd[2], unsigned char *result_sha1, + int fd[2], struct object_id *result_oid, struct ref *refs) { int fetching; int count = 0, flushes = 0, flush_at = INITIAL_FLUSH, retval; - const unsigned char *sha1; + const struct object_id *oid; unsigned in_vain = 0; int got_continue = 0; int got_ready = 0; @@ -340,7 +341,7 @@ static int find_common(struct fetch_pack_args *args, fetching = 0; for ( ; refs ; refs = refs->next) { - unsigned char *remote = refs->old_oid.hash; + struct object_id *remote = &refs->old_oid; const char *remote_hex; struct object *o; @@ -354,12 +355,12 @@ static int find_common(struct fetch_pack_args *args, * interested in the case we *know* the object is * reachable and we have already scanned it. */ - if (((o = lookup_object(remote)) != NULL) && + if (((o = lookup_object(remote->hash)) != NULL) && (o->flags & COMPLETE)) { continue; } - remote_hex = sha1_to_hex(remote); + remote_hex = oid_to_hex(remote); if (!fetching) { struct strbuf c = STRBUF_INIT; if (multi_ack == 2) strbuf_addstr(&c, " multi_ack_detailed"); @@ -410,25 +411,25 @@ static int find_common(struct fetch_pack_args *args, if (args->deepen) { char *line; const char *arg; - unsigned char sha1[20]; + struct object_id oid; send_request(args, fd[1], &req_buf); while ((line = packet_read_line(fd[0], NULL))) { if (skip_prefix(line, "shallow ", &arg)) { - if (get_sha1_hex(arg, sha1)) + if (get_oid_hex(arg, &oid)) die(_("invalid shallow line: %s"), line); - register_shallow(sha1); + register_shallow(&oid); continue; } if (skip_prefix(line, "unshallow ", &arg)) { - if (get_sha1_hex(arg, sha1)) + if (get_oid_hex(arg, &oid)) die(_("invalid unshallow line: %s"), line); - if (!lookup_object(sha1)) + if (!lookup_object(oid.hash)) die(_("object not found: %s"), line); /* make sure that it is parsed as shallow */ - if (!parse_object(sha1)) + if (!parse_object(&oid)) die(_("error in object: %s"), line); - if (unregister_shallow(sha1)) + if (unregister_shallow(&oid)) die(_("no shallow found: %s"), line); continue; } @@ -447,9 +448,9 @@ static int find_common(struct fetch_pack_args *args, flushes = 0; retval = -1; - while ((sha1 = get_rev())) { - packet_buf_write(&req_buf, "have %s\n", sha1_to_hex(sha1)); - print_verbose(args, "have %s", sha1_to_hex(sha1)); + while ((oid = get_rev())) { + packet_buf_write(&req_buf, "have %s\n", oid_to_hex(oid)); + print_verbose(args, "have %s", oid_to_hex(oid)); in_vain++; if (flush_at <= ++count) { int ack; @@ -469,10 +470,10 @@ static int find_common(struct fetch_pack_args *args, consume_shallow_list(args, fd[0]); do { - ack = get_ack(fd[0], result_sha1); + ack = get_ack(fd[0], result_oid); if (ack) print_verbose(args, _("got %s %d %s"), "ack", - ack, sha1_to_hex(result_sha1)); + ack, oid_to_hex(result_oid)); switch (ack) { case ACK: flushes = 0; @@ -483,9 +484,9 @@ static int find_common(struct fetch_pack_args *args, case ACK_ready: case ACK_continue: { struct commit *commit = - lookup_commit(result_sha1); + lookup_commit(result_oid); if (!commit) - die(_("invalid commit %s"), sha1_to_hex(result_sha1)); + die(_("invalid commit %s"), oid_to_hex(result_oid)); if (args->stateless_rpc && ack == ACK_common && !(commit->object.flags & COMMON)) { @@ -493,7 +494,7 @@ static int find_common(struct fetch_pack_args *args, * on the next RPC request so the peer knows * it is in common with us. */ - const char *hex = sha1_to_hex(result_sha1); + const char *hex = oid_to_hex(result_oid); packet_buf_write(&req_buf, "have %s\n", hex); state_len = req_buf.len; /* @@ -538,10 +539,10 @@ static int find_common(struct fetch_pack_args *args, if (!got_ready || !no_done) consume_shallow_list(args, fd[0]); while (flushes || multi_ack) { - int ack = get_ack(fd[0], result_sha1); + int ack = get_ack(fd[0], result_oid); if (ack) { print_verbose(args, _("got %s (%d) %s"), "ack", - ack, sha1_to_hex(result_sha1)); + ack, oid_to_hex(result_oid)); if (ack == ACK) return 0; multi_ack = 1; @@ -555,16 +556,16 @@ static int find_common(struct fetch_pack_args *args, static struct commit_list *complete; -static int mark_complete(const unsigned char *sha1) +static int mark_complete(const struct object_id *oid) { - struct object *o = parse_object(sha1); + struct object *o = parse_object(oid); while (o && o->type == OBJ_TAG) { struct tag *t = (struct tag *) o; if (!t->tagged) break; /* broken repository */ o->flags |= COMPLETE; - o = parse_object(t->tagged->oid.hash); + o = parse_object(&t->tagged->oid); } if (o && o->type == OBJ_COMMIT) { struct commit *commit = (struct commit *)o; @@ -579,7 +580,7 @@ static int mark_complete(const unsigned char *sha1) static int mark_complete_oid(const char *refname, const struct object_id *oid, int flag, void *cb_data) { - return mark_complete(oid->hash); + return mark_complete(oid); } static void mark_recent_complete_commits(struct fetch_pack_args *args, @@ -592,13 +593,38 @@ static void mark_recent_complete_commits(struct fetch_pack_args *args, } } +static void add_refs_to_oidset(struct oidset *oids, struct ref *refs) +{ + for (; refs; refs = refs->next) + oidset_insert(oids, &refs->old_oid); +} + +static int tip_oids_contain(struct oidset *tip_oids, + struct ref *unmatched, struct ref *newlist, + const struct object_id *id) +{ + /* + * Note that this only looks at the ref lists the first time it's + * called. This works out in filter_refs() because even though it may + * add to "newlist" between calls, the additions will always be for + * oids that are already in the set. + */ + if (!tip_oids->map.tablesize) { + add_refs_to_oidset(tip_oids, unmatched); + add_refs_to_oidset(tip_oids, newlist); + } + return oidset_contains(tip_oids, id); +} + static void filter_refs(struct fetch_pack_args *args, struct ref **refs, struct ref **sought, int nr_sought) { struct ref *newlist = NULL; struct ref **newtail = &newlist; + struct ref *unmatched = NULL; struct ref *ref, *next; + struct oidset tip_oids = OIDSET_INIT; int i; i = 0; @@ -631,24 +657,28 @@ static void filter_refs(struct fetch_pack_args *args, ref->next = NULL; newtail = &ref->next; } else { - free(ref); + ref->next = unmatched; + unmatched = ref; } } /* Append unmatched requests to the list */ for (i = 0; i < nr_sought; i++) { - unsigned char sha1[20]; + struct object_id oid; + const char *p; ref = sought[i]; if (ref->match_status != REF_NOT_MATCHED) continue; - if (get_sha1_hex(ref->name, sha1) || - ref->name[40] != '\0' || - hashcmp(sha1, ref->old_oid.hash)) + if (parse_oid_hex(ref->name, &oid, &p) || + *p != '\0' || + oidcmp(&oid, &ref->old_oid)) continue; if ((allow_unadvertised_object_request & - (ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1))) { + (ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1)) || + tip_oids_contain(&tip_oids, unmatched, newlist, + &ref->old_oid)) { ref->match_status = REF_MATCHED; *newtail = copy_ref(ref); newtail = &(*newtail)->next; @@ -656,12 +686,19 @@ static void filter_refs(struct fetch_pack_args *args, ref->match_status = REF_UNADVERTISED_NOT_ALLOWED; } } + + oidset_clear(&tip_oids); + for (ref = unmatched; ref; ref = next) { + next = ref->next; + free(ref); + } + *refs = newlist; } static void mark_alternate_complete(struct object *obj) { - mark_complete(obj->oid.hash); + mark_complete(&obj->oid); } static int everything_local(struct fetch_pack_args *args, @@ -680,7 +717,7 @@ static int everything_local(struct fetch_pack_args *args, if (!has_object_file(&ref->old_oid)) continue; - o = parse_object(ref->old_oid.hash); + o = parse_object(&ref->old_oid); if (!o) continue; @@ -724,17 +761,17 @@ static int everything_local(struct fetch_pack_args *args, filter_refs(args, refs, sought, nr_sought); for (retval = 1, ref = *refs; ref ; ref = ref->next) { - const unsigned char *remote = ref->old_oid.hash; + const struct object_id *remote = &ref->old_oid; struct object *o; - o = lookup_object(remote); + o = lookup_object(remote->hash); if (!o || !(o->flags & COMPLETE)) { retval = 0; - print_verbose(args, "want %s (%s)", sha1_to_hex(remote), + print_verbose(args, "want %s (%s)", oid_to_hex(remote), ref->name); continue; } - print_verbose(args, _("already have %s (%s)"), sha1_to_hex(remote), + print_verbose(args, _("already have %s (%s)"), oid_to_hex(remote), ref->name); } return retval; @@ -873,7 +910,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args, char **pack_lockfile) { struct ref *ref = copy_ref_list(orig_ref); - unsigned char sha1[20]; + struct object_id oid; const char *agent_feature; int agent_len; @@ -945,7 +982,7 @@ static struct ref *do_fetch_pack(struct fetch_pack_args *args, packet_flush(fd[1]); goto all_done; } - if (find_common(args, fd, sha1, ref) < 0) + if (find_common(args, fd, &oid, ref) < 0) if (!args->keep_pack) /* When cloning, it is not unusual to have * no common commit.
diff --git a/fsck.c b/fsck.c index d589341..b4204d7 100644 --- a/fsck.c +++ b/fsck.c
@@ -358,14 +358,14 @@ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *op continue; if (S_ISDIR(entry.mode)) { - obj = &lookup_tree(entry.oid->hash)->object; + obj = &lookup_tree(entry.oid)->object; if (name) put_object_name(options, obj, "%s%s/", name, entry.path); result = options->walk(obj, OBJ_TREE, data, options); } else if (S_ISREG(entry.mode) || S_ISLNK(entry.mode)) { - obj = &lookup_blob(entry.oid->hash)->object; + obj = &lookup_blob(entry.oid)->object; if (name) put_object_name(options, obj, "%s%s", name, entry.path); @@ -461,7 +461,7 @@ int fsck_walk(struct object *obj, void *data, struct fsck_options *options) return -1; if (obj->type == OBJ_NONE) - parse_object(obj->oid.hash); + parse_object(&obj->oid); switch (obj->type) { case OBJ_BLOB:
diff --git a/git-add--interactive.perl b/git-add--interactive.perl index 709a5f6..79d675b 100755 --- a/git-add--interactive.perl +++ b/git-add--interactive.perl
@@ -46,7 +46,6 @@ my $normal_color = $repo->get_color("", "reset"); my $diff_algorithm = $repo->config('diff.algorithm'); -my $diff_indent_heuristic = $repo->config_bool('diff.indentheuristic'); my $diff_filter = $repo->config('interactive.difffilter'); my $use_readkey = 0; @@ -730,9 +729,6 @@ if (defined $diff_algorithm) { splice @diff_cmd, 1, 0, "--diff-algorithm=${diff_algorithm}"; } - if ($diff_indent_heuristic) { - splice @diff_cmd, 1, 0, "--indent-heuristic"; - } if (defined $patch_mode_revision) { push @diff_cmd, get_diff_reference($patch_mode_revision); }
diff --git a/git-compat-util.h b/git-compat-util.h index ab7552a..e83fd2e 100644 --- a/git-compat-util.h +++ b/git-compat-util.h
@@ -450,7 +450,6 @@ extern void (*get_error_routine(void))(const char *err, va_list params); extern void set_warn_routine(void (*routine)(const char *warn, va_list params)); extern void (*get_warn_routine(void))(const char *warn, va_list params); extern void set_die_is_recursing_routine(int (*routine)(void)); -extern void set_error_handle(FILE *); extern int starts_with(const char *str, const char *prefix); @@ -1069,6 +1068,15 @@ static inline int regexec_buf(const regex_t *preg, const char *buf, size_t size, #define HAVE_VARIADIC_MACROS 1 #endif +#ifdef HAVE_VARIADIC_MACROS +__attribute__((format (printf, 3, 4))) NORETURN +void BUG_fl(const char *file, int line, const char *fmt, ...); +#define BUG(...) BUG_fl(__FILE__, __LINE__, __VA_ARGS__) +#else +__attribute__((format (printf, 1, 2))) NORETURN +void BUG(const char *fmt, ...); +#endif + /* * Preserves errno, prints a message, but gives no warning for ENOENT. * Returns 0 on success, which includes trying to unlink an object that does @@ -1126,6 +1134,21 @@ struct tm *git_gmtime_r(const time_t *, struct tm *); #define getc_unlocked(fh) getc(fh) #endif +/* + * Our code often opens a path to an optional file, to work on its + * contents when we can successfully open it. We can ignore a failure + * to open if such an optional file does not exist, but we do want to + * report a failure in opening for other reasons (e.g. we got an I/O + * error, or the file is there, but we lack the permission to open). + * + * Call this function after seeing an error from open() or fopen() to + * see if the errno indicates a missing file that we can safely ignore. + */ +static inline int is_missing_file_error(int errno_) +{ + return (errno_ == ENOENT || errno_ == ENOTDIR); +} + extern int cmd_main(int, const char **); #endif
diff --git a/git-filter-branch.sh b/git-filter-branch.sh index 2b8cdba..aafaf70 100755 --- a/git-filter-branch.sh +++ b/git-filter-branch.sh
@@ -239,7 +239,7 @@ sed -e '/^^/d' "$tempdir"/raw-heads >"$tempdir"/heads test -s "$tempdir"/heads || - die "Which ref do you want to rewrite?" + die "You must specify a ref to rewrite." GIT_INDEX_FILE="$(pwd)/../index" export GIT_INDEX_FILE
diff --git a/git-gui/.gitattributes b/git-gui/.gitattributes index 33d07c0..59cd41d 100644 --- a/git-gui/.gitattributes +++ b/git-gui/.gitattributes
@@ -2,3 +2,4 @@ * encoding=US-ASCII git-gui.sh encoding=UTF-8 /po/*.po encoding=UTF-8 +/GIT-VERSION-GEN eol=lf
diff --git a/git-send-email.perl b/git-send-email.perl index eea0a51..7fd5874 100755 --- a/git-send-email.perl +++ b/git-send-email.perl
@@ -25,8 +25,9 @@ use Text::ParseWords; use Term::ANSIColor; use File::Temp qw/ tempdir tempfile /; -use File::Spec::Functions qw(catfile); +use File::Spec::Functions qw(catdir catfile); use Error qw(:try); +use Cwd qw(abs_path cwd); use Git; use Git::I18N; @@ -1353,10 +1354,12 @@ die __("The required SMTP server is not properly defined.") } + require Net::SMTP; + my $use_net_smtp_ssl = version->parse($Net::SMTP::VERSION) < version->parse("2.34"); + $smtp_domain ||= maildomain(); + if ($smtp_encryption eq 'ssl') { $smtp_server_port ||= 465; # ssmtp - require Net::SMTP::SSL; - $smtp_domain ||= maildomain(); require IO::Socket::SSL; # Suppress "variable accessed once" warning. @@ -1368,34 +1371,48 @@ # Net::SMTP::SSL->new() does not forward any SSL options IO::Socket::SSL::set_client_defaults( ssl_verify_params()); - $smtp ||= Net::SMTP::SSL->new($smtp_server, - Hello => $smtp_domain, - Port => $smtp_server_port, - Debug => $debug_net_smtp); + + if ($use_net_smtp_ssl) { + require Net::SMTP::SSL; + $smtp ||= Net::SMTP::SSL->new($smtp_server, + Hello => $smtp_domain, + Port => $smtp_server_port, + Debug => $debug_net_smtp); + } + else { + $smtp ||= Net::SMTP->new($smtp_server, + Hello => $smtp_domain, + Port => $smtp_server_port, + Debug => $debug_net_smtp, + SSL => 1); + } } else { - require Net::SMTP; - $smtp_domain ||= maildomain(); $smtp_server_port ||= 25; $smtp ||= Net::SMTP->new($smtp_server, Hello => $smtp_domain, Debug => $debug_net_smtp, Port => $smtp_server_port); if ($smtp_encryption eq 'tls' && $smtp) { - require Net::SMTP::SSL; - $smtp->command('STARTTLS'); - $smtp->response(); - if ($smtp->code == 220) { + if ($use_net_smtp_ssl) { + $smtp->command('STARTTLS'); + $smtp->response(); + if ($smtp->code != 220) { + die sprintf(__("Server does not support STARTTLS! %s"), $smtp->message); + } + require Net::SMTP::SSL; $smtp = Net::SMTP::SSL->start_SSL($smtp, ssl_verify_params()) - or die "STARTTLS failed! ".IO::Socket::SSL::errstr(); - $smtp_encryption = ''; - # Send EHLO again to receive fresh - # supported commands - $smtp->hello($smtp_domain); - } else { - die sprintf(__("Server does not support STARTTLS! %s"), $smtp->message); + or die sprintf(__("STARTTLS failed! %s"), IO::Socket::SSL::errstr()); } + else { + $smtp->starttls(ssl_verify_params()) + or die sprintf(__("STARTTLS failed! %s"), IO::Socket::SSL::errstr()); + } + $smtp_encryption = ''; + # Send EHLO again to receive fresh + # supported commands + $smtp->hello($smtp_domain); } } @@ -1737,6 +1754,25 @@ sub validate_patch { my $fn = shift; + + if ($repo) { + my $validate_hook = catfile(catdir($repo->repo_path(), 'hooks'), + 'sendemail-validate'); + my $hook_error; + if (-x $validate_hook) { + my $target = abs_path($fn); + # The hook needs a correct cwd and GIT_DIR. + my $cwd_save = cwd(); + chdir($repo->wc_path() or $repo->repo_path()) + or die("chdir: $!"); + local $ENV{"GIT_DIR"} = $repo->repo_path(); + $hook_error = "rejected by sendemail-validate hook" + if system($validate_hook, $target); + chdir($cwd_save) or die("chdir: $!"); + } + return $hook_error if $hook_error; + } + open(my $fh, '<', $fn) or die sprintf(__("unable to open %s: %s\n"), $fn, $!); while (my $line = <$fh>) {
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl index 7cf68f0..d8209c7 100755 --- a/gitweb/gitweb.perl +++ b/gitweb/gitweb.perl
@@ -8085,7 +8085,7 @@ <p><strong>Pattern</strong> is by default a normal string that is matched precisely (but without regard to case, except in the case of pickaxe). However, when you check the <em>re</em> checkbox, the pattern entered is recognized as the POSIX extended -<a href="http://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case +<a href="https://en.wikipedia.org/wiki/Regular_expression">regular expression</a> (also case insensitive).</p> <dl> <dt><b>commit</b></dt>
diff --git a/help.c b/help.c index bc6cd19..db7f3d7 100644 --- a/help.c +++ b/help.c
@@ -1,6 +1,7 @@ #include "cache.h" #include "builtin.h" #include "exec_cmd.h" +#include "run-command.h" #include "levenshtein.h" #include "help.h" #include "common-cmds.h" @@ -96,48 +97,6 @@ static void pretty_print_cmdnames(struct cmdnames *cmds, unsigned int colopts) string_list_clear(&list, 0); } -static int is_executable(const char *name) -{ - struct stat st; - - if (stat(name, &st) || /* stat, not lstat */ - !S_ISREG(st.st_mode)) - return 0; - -#if defined(GIT_WINDOWS_NATIVE) - /* - * On Windows there is no executable bit. The file extension - * indicates whether it can be run as an executable, and Git - * has special-handling to detect scripts and launch them - * through the indicated script interpreter. We test for the - * file extension first because virus scanners may make - * it quite expensive to open many files. - */ - if (ends_with(name, ".exe")) - return S_IXUSR; - -{ - /* - * Now that we know it does not have an executable extension, - * peek into the file instead. - */ - char buf[3] = { 0 }; - int n; - int fd = open(name, O_RDONLY); - st.st_mode &= ~S_IXUSR; - if (fd >= 0) { - n = read(fd, buf, 2); - if (n == 2) - /* look for a she-bang */ - if (!strcmp(buf, "#!")) - st.st_mode |= S_IXUSR; - close(fd); - } -} -#endif - return st.st_mode & S_IXUSR; -} - static void list_commands_in_dir(struct cmdnames *cmds, const char *path, const char *prefix) @@ -411,8 +370,8 @@ const char *help_unknown_cmd(const char *cmd) if (SIMILAR_ENOUGH(best_similarity)) { fprintf_ln(stderr, - Q_("\nDid you mean this?", - "\nDid you mean one of these?", + Q_("\nThe most similar command is", + "\nThe most similar commands are", n)); for (i = 0; i < n; i++)
diff --git a/http-backend.c b/http-backend.c index d6ea607..ba5ff1a 100644 --- a/http-backend.c +++ b/http-backend.c
@@ -431,7 +431,7 @@ static int show_text_ref(const char *name, const struct object_id *oid, { const char *name_nons = strip_namespace(name); struct strbuf *buf = cb_data; - struct object *o = parse_object(oid->hash); + struct object *o = parse_object(oid); if (!o) return 0;
diff --git a/http-push.c b/http-push.c index f0e3108..67c4d4b 100644 --- a/http-push.c +++ b/http-push.c
@@ -718,13 +718,13 @@ static int fetch_indices(void) return ret; } -static void one_remote_object(const unsigned char *sha1) +static void one_remote_object(const struct object_id *oid) { struct object *obj; - obj = lookup_object(sha1); + obj = lookup_object(oid->hash); if (!obj) - obj = parse_object(sha1); + obj = parse_object(oid); /* Ignore remote objects that don't exist locally */ if (!obj) @@ -1013,26 +1013,26 @@ static void remote_ls(const char *path, int flags, void *userData); /* extract hex from sharded "xx/x{40}" filename */ -static int get_sha1_hex_from_objpath(const char *path, unsigned char *sha1) +static int get_oid_hex_from_objpath(const char *path, struct object_id *oid) { - char hex[40]; + char hex[GIT_MAX_HEXSZ]; - if (strlen(path) != 41) + if (strlen(path) != GIT_SHA1_HEXSZ + 1) return -1; memcpy(hex, path, 2); path += 2; path++; /* skip '/' */ - memcpy(hex, path, 38); + memcpy(hex, path, GIT_SHA1_HEXSZ - 2); - return get_sha1_hex(hex, sha1); + return get_oid_hex(hex, oid); } static void process_ls_object(struct remote_ls_ctx *ls) { unsigned int *parent = (unsigned int *)ls->userData; const char *path = ls->dentry_name; - unsigned char sha1[20]; + struct object_id oid; if (!strcmp(ls->path, ls->dentry_name) && (ls->flags & IS_DIR)) { remote_dir_exists[*parent] = 1; @@ -1040,10 +1040,10 @@ static void process_ls_object(struct remote_ls_ctx *ls) } if (!skip_prefix(path, "objects/", &path) || - get_sha1_hex_from_objpath(path, sha1)) + get_oid_hex_from_objpath(path, &oid)) return; - one_remote_object(sha1); + one_remote_object(&oid); } static void process_ls_ref(struct remote_ls_ctx *ls) @@ -1312,10 +1312,10 @@ static struct object_list **process_tree(struct tree *tree, while (tree_entry(&desc, &entry)) switch (object_type(entry.mode)) { case OBJ_TREE: - p = process_tree(lookup_tree(entry.oid->hash), p); + p = process_tree(lookup_tree(entry.oid), p); break; case OBJ_BLOB: - p = process_blob(lookup_blob(entry.oid->hash), p); + p = process_blob(lookup_blob(entry.oid), p); break; default: /* Subproject commit - not in this repository */ @@ -1462,7 +1462,7 @@ static void add_remote_info_ref(struct remote_ls_ctx *ls) return; } - o = parse_object(ref->old_oid.hash); + o = parse_object(&ref->old_oid); if (!o) { fprintf(stderr, "Unable to parse object %s for remote ref %s\n", @@ -1536,7 +1536,7 @@ static int remote_exists(const char *path) return ret; } -static void fetch_symref(const char *path, char **symref, unsigned char *sha1) +static void fetch_symref(const char *path, char **symref, struct object_id *oid) { char *url = xstrfmt("%s%s", repo->url, path); struct strbuf buffer = STRBUF_INIT; @@ -1549,7 +1549,7 @@ static void fetch_symref(const char *path, char **symref, unsigned char *sha1) free(*symref); *symref = NULL; - hashclr(sha1); + oidclr(oid); if (buffer.len == 0) return; @@ -1561,16 +1561,17 @@ static void fetch_symref(const char *path, char **symref, unsigned char *sha1) if (skip_prefix(buffer.buf, "ref: ", &name)) { *symref = xmemdupz(name, buffer.len - (name - buffer.buf)); } else { - get_sha1_hex(buffer.buf, sha1); + get_oid_hex(buffer.buf, oid); } strbuf_release(&buffer); } -static int verify_merge_base(unsigned char *head_sha1, struct ref *remote) +static int verify_merge_base(struct object_id *head_oid, struct ref *remote) { - struct commit *head = lookup_commit_or_die(head_sha1, "HEAD"); - struct commit *branch = lookup_commit_or_die(remote->old_oid.hash, remote->name); + struct commit *head = lookup_commit_or_die(head_oid, "HEAD"); + struct commit *branch = lookup_commit_or_die(&remote->old_oid, + remote->name); return in_merge_bases(branch, head); } @@ -1579,7 +1580,7 @@ static int delete_remote_branch(const char *pattern, int force) { struct ref *refs = remote_refs; struct ref *remote_ref = NULL; - unsigned char head_sha1[20]; + struct object_id head_oid; char *symref = NULL; int match; int patlen = strlen(pattern); @@ -1610,7 +1611,7 @@ static int delete_remote_branch(const char *pattern, int force) * Remote HEAD must be a symref (not exactly foolproof; a remote * symlink to a symref will look like a symref) */ - fetch_symref("HEAD", &symref, head_sha1); + fetch_symref("HEAD", &symref, &head_oid); if (!symref) return error("Remote HEAD is not a symref"); @@ -1619,7 +1620,7 @@ static int delete_remote_branch(const char *pattern, int force) if (!strcmp(remote_ref->name, symref)) return error("Remote branch %s is the current HEAD", remote_ref->name); - fetch_symref(symref, &symref, head_sha1); + fetch_symref(symref, &symref, &head_oid); } /* Run extra sanity checks if delete is not forced */ @@ -1627,10 +1628,10 @@ static int delete_remote_branch(const char *pattern, int force) /* Remote HEAD must resolve to a known object */ if (symref) return error("Remote HEAD symrefs too deep"); - if (is_null_sha1(head_sha1)) + if (is_null_oid(&head_oid)) return error("Unable to resolve remote HEAD"); - if (!has_sha1_file(head_sha1)) - return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", sha1_to_hex(head_sha1)); + if (!has_object_file(&head_oid)) + return error("Remote HEAD resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", oid_to_hex(&head_oid)); /* Remote branch must resolve to a known object */ if (is_null_oid(&remote_ref->old_oid)) @@ -1640,7 +1641,7 @@ static int delete_remote_branch(const char *pattern, int force) return error("Remote branch %s resolves to object %s\nwhich does not exist locally, perhaps you need to fetch?", remote_ref->name, oid_to_hex(&remote_ref->old_oid)); /* Remote branch must be an ancestor of remote HEAD */ - if (!verify_merge_base(head_sha1, remote_ref)) { + if (!verify_merge_base(&head_oid, remote_ref)) { return error("The branch '%s' is not an ancestor " "of your current HEAD.\n" "If you are sure you want to delete it,"
diff --git a/line-log.c b/line-log.c index a23b910..b908781 100644 --- a/line-log.c +++ b/line-log.c
@@ -1125,6 +1125,7 @@ static int process_ranges_ordinary_commit(struct rev_info *rev, struct commit *c changed = process_all_files(&parent_range, rev, &queue, range); if (parent) add_line_range(rev, parent, parent_range); + free_line_log_data(parent_range); return changed; }
diff --git a/list-objects.c b/list-objects.c index f3ca6aa..b3931fa 100644 --- a/list-objects.c +++ b/list-objects.c
@@ -110,7 +110,7 @@ static void process_tree(struct rev_info *revs, if (S_ISDIR(entry.mode)) process_tree(revs, - lookup_tree(entry.oid->hash), + lookup_tree(entry.oid), show, base, entry.path, cb_data); else if (S_ISGITLINK(entry.mode)) @@ -119,7 +119,7 @@ static void process_tree(struct rev_info *revs, cb_data); else process_blob(revs, - lookup_blob(entry.oid->hash), + lookup_blob(entry.oid), show, base, entry.path, cb_data); }
diff --git a/lockfile.h b/lockfile.h index 7b715f9..5720649 100644 --- a/lockfile.h +++ b/lockfile.h
@@ -176,6 +176,14 @@ static inline int hold_lock_file_for_update( } /* + * Return a nonzero value iff `lk` is currently locked. + */ +static inline int is_lock_file_locked(struct lock_file *lk) +{ + return is_tempfile_active(&lk->tempfile); +} + +/* * Append an appropriate error message to `buf` following the failure * of `hold_lock_file_for_update()` to lock `path`. `err` should be the * `errno` set by the failing call.
diff --git a/log-tree.c b/log-tree.c index 4618dd0..a4ec11c 100644 --- a/log-tree.c +++ b/log-tree.c
@@ -105,13 +105,13 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid, warning("invalid replace ref %s", refname); return 0; } - obj = parse_object(original_oid.hash); + obj = parse_object(&original_oid); if (obj) add_name_decoration(DECORATION_GRAFTED, "replaced", obj); return 0; } - obj = parse_object(oid->hash); + obj = parse_object(oid); if (!obj) return 0; @@ -132,7 +132,7 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid, if (!obj) break; if (!obj->parsed) - parse_object(obj->oid.hash); + parse_object(&obj->oid); add_name_decoration(DECORATION_REF_TAG, refname, obj); } return 0; @@ -140,7 +140,7 @@ static int add_ref_decoration(const char *refname, const struct object_id *oid, static int add_graft_decoration(const struct commit_graft *graft, void *cb_data) { - struct commit *commit = lookup_commit(graft->oid.hash); + struct commit *commit = lookup_commit(&graft->oid); if (!commit) return 0; add_name_decoration(DECORATION_GRAFTED, "grafted", &commit->object); @@ -184,7 +184,7 @@ static const struct name_decoration *current_pointed_by_HEAD(const struct name_d { const struct name_decoration *list, *head = NULL; const char *branch_name = NULL; - unsigned char unused[20]; + struct object_id unused; int rru_flags; /* First find HEAD */ @@ -197,7 +197,7 @@ static const struct name_decoration *current_pointed_by_HEAD(const struct name_d return NULL; /* Now resolve and find the matching current branch */ - branch_name = resolve_ref_unsafe("HEAD", 0, unused, &rru_flags); + branch_name = resolve_ref_unsafe("HEAD", 0, unused.hash, &rru_flags); if (!(rru_flags & REF_ISSYMREF)) return NULL; @@ -456,13 +456,13 @@ static void show_signature(struct rev_info *opt, struct commit *commit) strbuf_release(&signature); } -static int which_parent(const unsigned char *sha1, const struct commit *commit) +static int which_parent(const struct object_id *oid, const struct commit *commit) { int nth; const struct commit_list *parent; for (nth = 0, parent = commit->parents; parent; parent = parent->next) { - if (!hashcmp(parent->item->object.oid.hash, sha1)) + if (!oidcmp(&parent->item->object.oid, oid)) return nth; nth++; } @@ -481,14 +481,14 @@ static void show_one_mergetag(struct commit *commit, void *data) { struct rev_info *opt = (struct rev_info *)data; - unsigned char sha1[20]; + struct object_id oid; struct tag *tag; struct strbuf verify_message; int status, nth; size_t payload_size, gpg_message_offset; - hash_sha1_file(extra->value, extra->len, typename(OBJ_TAG), sha1); - tag = lookup_tag(sha1); + hash_sha1_file(extra->value, extra->len, typename(OBJ_TAG), oid.hash); + tag = lookup_tag(&oid); if (!tag) return; /* error message already given */ @@ -500,7 +500,7 @@ static void show_one_mergetag(struct commit *commit, &commit->parents->next->item->object.oid)) strbuf_addf(&verify_message, "merged tag '%s'\n", tag->tag); - else if ((nth = which_parent(tag->tagged->oid.hash, commit)) < 0) + else if ((nth = which_parent(&tag->tagged->oid, commit)) < 0) strbuf_addf(&verify_message, "tag %s names a non-parent %s\n", tag->tag, tag->tagged->oid.hash); else @@ -536,7 +536,7 @@ void show_log(struct rev_info *opt) struct strbuf msgbuf = STRBUF_INIT; struct log_info *log = opt->loginfo; struct commit *commit = log->commit, *parent = log->parent; - int abbrev_commit = opt->abbrev_commit ? opt->abbrev : 40; + int abbrev_commit = opt->abbrev_commit ? opt->abbrev : GIT_SHA1_HEXSZ; const char *extra_headers = opt->extra_headers; struct pretty_print_context ctx = {0};
diff --git a/mailinfo.c b/mailinfo.c index 6803775..f92cb9f 100644 --- a/mailinfo.c +++ b/mailinfo.c
@@ -882,7 +882,10 @@ static int read_one_header_line(struct strbuf *line, FILE *in) for (;;) { int peek; - peek = fgetc(in); ungetc(peek, in); + peek = fgetc(in); + if (peek == EOF) + break; + ungetc(peek, in); if (peek != ' ' && peek != '\t') break; if (strbuf_getline_lf(&continuation, in)) @@ -1099,6 +1102,10 @@ int mailinfo(struct mailinfo *mi, const char *msg, const char *patch) do { peek = fgetc(mi->input); + if (peek == EOF) { + fclose(cmitmsg); + return error("empty patch: '%s'", patch); + } } while (isspace(peek)); ungetc(peek, mi->input);
diff --git a/merge-recursive.c b/merge-recursive.c index 62decd5..ae5238d 100644 --- a/merge-recursive.c +++ b/merge-recursive.c
@@ -67,7 +67,7 @@ static struct tree *shift_tree_object(struct tree *one, struct tree *two, } if (!oidcmp(&two->object.oid, &shifted)) return two; - return lookup_tree(shifted.hash); + return lookup_tree(&shifted); } static struct commit *make_virtual_commit(struct tree *tree, const char *comment) @@ -304,7 +304,7 @@ struct tree *write_tree_from_memory(struct merge_options *o) return NULL; } - result = lookup_tree(active_cache_tree->sha1); + result = lookup_tree(&active_cache_tree->oid); return result; } @@ -994,11 +994,11 @@ static int merge_file_1(struct merge_options *o, return ret; result->clean = (merge_status == 0); } else if (S_ISGITLINK(a->mode)) { - result->clean = merge_submodule(result->oid.hash, + result->clean = merge_submodule(&result->oid, one->path, - one->oid.hash, - a->oid.hash, - b->oid.hash, + &one->oid, + &a->oid, + &b->oid, !o->call_depth); } else if (S_ISLNK(a->mode)) { oidcpy(&result->oid, &a->oid); @@ -2042,7 +2042,7 @@ int merge_recursive(struct merge_options *o, /* if there is no common ancestor, use an empty tree */ struct tree *tree; - tree = lookup_tree(EMPTY_TREE_SHA1_BIN); + tree = lookup_tree(&empty_tree_oid); merged_common_ancestors = make_virtual_commit(tree, "ancestor"); } @@ -2103,7 +2103,7 @@ static struct commit *get_ref(const struct object_id *oid, const char *name) { struct object *object; - object = deref_tag(parse_object(oid->hash), name, strlen(name)); + object = deref_tag(parse_object(oid), name, strlen(name)); if (!object) return NULL; if (object->type == OBJ_TREE)
diff --git a/merge.c b/merge.c index 04ee5fc..1d441ad 100644 --- a/merge.c +++ b/merge.c
@@ -44,8 +44,8 @@ int try_merge_command(const char *strategy, size_t xopts_nr, return ret; } -int checkout_fast_forward(const unsigned char *head, - const unsigned char *remote, +int checkout_fast_forward(const struct object_id *head, + const struct object_id *remote, int overwrite_ignore) { struct tree *trees[MAX_UNPACK_TREES];
diff --git a/notes-cache.c b/notes-cache.c index 5dfc5cb..2843e98 100644 --- a/notes-cache.c +++ b/notes-cache.c
@@ -5,16 +5,16 @@ static int notes_cache_match_validity(const char *ref, const char *validity) { - unsigned char sha1[20]; + struct object_id oid; struct commit *commit; struct pretty_print_context pretty_ctx; struct strbuf msg = STRBUF_INIT; int ret; - if (read_ref(ref, sha1) < 0) + if (read_ref(ref, oid.hash) < 0) return 0; - commit = lookup_commit_reference_gently(sha1, 1); + commit = lookup_commit_reference_gently(&oid, 1); if (!commit) return 0; @@ -46,8 +46,7 @@ void notes_cache_init(struct notes_cache *c, const char *name, int notes_cache_write(struct notes_cache *c) { - unsigned char tree_sha1[20]; - unsigned char commit_sha1[20]; + struct object_id tree_oid, commit_oid; if (!c || !c->tree.initialized || !c->tree.update_ref || !*c->tree.update_ref) @@ -55,19 +54,19 @@ int notes_cache_write(struct notes_cache *c) if (!c->tree.dirty) return 0; - if (write_notes_tree(&c->tree, tree_sha1)) + if (write_notes_tree(&c->tree, tree_oid.hash)) return -1; - if (commit_tree(c->validity, strlen(c->validity), tree_sha1, NULL, - commit_sha1, NULL, NULL) < 0) + if (commit_tree(c->validity, strlen(c->validity), tree_oid.hash, NULL, + commit_oid.hash, NULL, NULL) < 0) return -1; - if (update_ref("update notes cache", c->tree.update_ref, commit_sha1, + if (update_ref("update notes cache", c->tree.update_ref, commit_oid.hash, NULL, 0, UPDATE_REFS_QUIET_ON_ERR) < 0) return -1; return 0; } -char *notes_cache_get(struct notes_cache *c, unsigned char key_sha1[20], +char *notes_cache_get(struct notes_cache *c, struct object_id *key_oid, size_t *outsize) { const unsigned char *value_sha1; @@ -75,7 +74,7 @@ char *notes_cache_get(struct notes_cache *c, unsigned char key_sha1[20], char *value; unsigned long size; - value_sha1 = get_note(&c->tree, key_sha1); + value_sha1 = get_note(&c->tree, key_oid->hash); if (!value_sha1) return NULL; value = read_sha1_file(value_sha1, &type, &size); @@ -84,12 +83,12 @@ char *notes_cache_get(struct notes_cache *c, unsigned char key_sha1[20], return value; } -int notes_cache_put(struct notes_cache *c, unsigned char key_sha1[20], +int notes_cache_put(struct notes_cache *c, struct object_id *key_oid, const char *data, size_t size) { - unsigned char value_sha1[20]; + struct object_id value_oid; - if (write_sha1_file(data, size, "blob", value_sha1) < 0) + if (write_sha1_file(data, size, "blob", value_oid.hash) < 0) return -1; - return add_note(&c->tree, key_sha1, value_sha1, NULL); + return add_note(&c->tree, key_oid->hash, value_oid.hash, NULL); }
diff --git a/notes-cache.h b/notes-cache.h index 356f88f..aeeee84 100644 --- a/notes-cache.h +++ b/notes-cache.h
@@ -12,9 +12,9 @@ void notes_cache_init(struct notes_cache *c, const char *name, const char *validity); int notes_cache_write(struct notes_cache *c); -char *notes_cache_get(struct notes_cache *c, unsigned char sha1[20], size_t +char *notes_cache_get(struct notes_cache *c, struct object_id *oid, size_t *outsize); -int notes_cache_put(struct notes_cache *c, unsigned char sha1[20], +int notes_cache_put(struct notes_cache *c, struct object_id *oid, const char *data, size_t size); #endif /* NOTES_CACHE_H */
diff --git a/notes-merge.c b/notes-merge.c index 32caaaf..6244f6a 100644 --- a/notes-merge.c +++ b/notes-merge.c
@@ -535,7 +535,7 @@ int notes_merge(struct notes_merge_options *o, struct notes_tree *local_tree, unsigned char *result_sha1) { - unsigned char local_sha1[20], remote_sha1[20]; + struct object_id local_oid, remote_oid; struct commit *local, *remote; struct commit_list *bases = NULL; const unsigned char *base_sha1, *base_tree_sha1; @@ -549,46 +549,46 @@ int notes_merge(struct notes_merge_options *o, o->local_ref, o->remote_ref); /* Dereference o->local_ref into local_sha1 */ - if (read_ref_full(o->local_ref, 0, local_sha1, NULL)) + if (read_ref_full(o->local_ref, 0, local_oid.hash, NULL)) die("Failed to resolve local notes ref '%s'", o->local_ref); else if (!check_refname_format(o->local_ref, 0) && - is_null_sha1(local_sha1)) + is_null_oid(&local_oid)) local = NULL; /* local_sha1 == null_sha1 indicates unborn ref */ - else if (!(local = lookup_commit_reference(local_sha1))) + else if (!(local = lookup_commit_reference(&local_oid))) die("Could not parse local commit %s (%s)", - sha1_to_hex(local_sha1), o->local_ref); - trace_printf("\tlocal commit: %.7s\n", sha1_to_hex(local_sha1)); + oid_to_hex(&local_oid), o->local_ref); + trace_printf("\tlocal commit: %.7s\n", oid_to_hex(&local_oid)); /* Dereference o->remote_ref into remote_sha1 */ - if (get_sha1(o->remote_ref, remote_sha1)) { + if (get_oid(o->remote_ref, &remote_oid)) { /* * Failed to get remote_sha1. If o->remote_ref looks like an * unborn ref, perform the merge using an empty notes tree. */ if (!check_refname_format(o->remote_ref, 0)) { - hashclr(remote_sha1); + oidclr(&remote_oid); remote = NULL; } else { die("Failed to resolve remote notes ref '%s'", o->remote_ref); } - } else if (!(remote = lookup_commit_reference(remote_sha1))) { + } else if (!(remote = lookup_commit_reference(&remote_oid))) { die("Could not parse remote commit %s (%s)", - sha1_to_hex(remote_sha1), o->remote_ref); + oid_to_hex(&remote_oid), o->remote_ref); } - trace_printf("\tremote commit: %.7s\n", sha1_to_hex(remote_sha1)); + trace_printf("\tremote commit: %.7s\n", oid_to_hex(&remote_oid)); if (!local && !remote) die("Cannot merge empty notes ref (%s) into empty notes ref " "(%s)", o->remote_ref, o->local_ref); if (!local) { /* result == remote commit */ - hashcpy(result_sha1, remote_sha1); + hashcpy(result_sha1, remote_oid.hash); goto found_result; } if (!remote) { /* result == local commit */ - hashcpy(result_sha1, local_sha1); + hashcpy(result_sha1, local_oid.hash); goto found_result; } assert(local && remote);
diff --git a/notes-utils.c b/notes-utils.c index 24a3361..031503d 100644 --- a/notes-utils.c +++ b/notes-utils.c
@@ -7,18 +7,18 @@ void create_notes_commit(struct notes_tree *t, struct commit_list *parents, const char *msg, size_t msg_len, unsigned char *result_sha1) { - unsigned char tree_sha1[20]; + struct object_id tree_oid; assert(t->initialized); - if (write_notes_tree(t, tree_sha1)) + if (write_notes_tree(t, tree_oid.hash)) die("Failed to write notes tree to database"); if (!parents) { /* Deduce parent commit from t->ref */ - unsigned char parent_sha1[20]; - if (!read_ref(t->ref, parent_sha1)) { - struct commit *parent = lookup_commit(parent_sha1); + struct object_id parent_oid; + if (!read_ref(t->ref, parent_oid.hash)) { + struct commit *parent = lookup_commit(&parent_oid); if (parse_commit(parent)) die("Failed to find/parse commit %s", t->ref); commit_list_insert(parent, &parents); @@ -26,14 +26,14 @@ void create_notes_commit(struct notes_tree *t, struct commit_list *parents, /* else: t->ref points to nothing, assume root/orphan commit */ } - if (commit_tree(msg, msg_len, tree_sha1, parents, result_sha1, NULL, NULL)) + if (commit_tree(msg, msg_len, tree_oid.hash, parents, result_sha1, NULL, NULL)) die("Failed to commit notes tree to database"); } void commit_notes(struct notes_tree *t, const char *msg) { struct strbuf buf = STRBUF_INIT; - unsigned char commit_sha1[20]; + struct object_id commit_oid; if (!t) t = &default_notes_tree; @@ -46,9 +46,9 @@ void commit_notes(struct notes_tree *t, const char *msg) strbuf_addstr(&buf, msg); strbuf_complete_line(&buf); - create_notes_commit(t, NULL, buf.buf, buf.len, commit_sha1); + create_notes_commit(t, NULL, buf.buf, buf.len, commit_oid.hash); strbuf_insert(&buf, 0, "notes: ", 7); /* commit message starts at index 7 */ - update_ref(buf.buf, t->update_ref, commit_sha1, NULL, 0, + update_ref(buf.buf, t->update_ref, commit_oid.hash, NULL, 0, UPDATE_REFS_DIE_ON_ERR); strbuf_release(&buf); @@ -132,8 +132,11 @@ struct notes_rewrite_cfg *init_copy_notes_for_rewrite(const char *cmd) c->mode_from_env = 1; c->combine = parse_combine_notes_fn(rewrite_mode_env); if (!c->combine) - /* TRANSLATORS: The first %s is the name of the - environment variable, the second %s is its value */ + /* + * TRANSLATORS: The first %s is the name of + * the environment variable, the second %s is + * its value. + */ error(_("Bad %s value: '%s'"), GIT_NOTES_REWRITE_MODE_ENVIRONMENT, rewrite_mode_env); }
diff --git a/object.c b/object.c index e680d88..06ba3a1 100644 --- a/object.c +++ b/object.c
@@ -180,21 +180,21 @@ struct object *lookup_unknown_object(const unsigned char *sha1) return obj; } -struct object *parse_object_buffer(const unsigned char *sha1, enum object_type type, unsigned long size, void *buffer, int *eaten_p) +struct object *parse_object_buffer(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p) { struct object *obj; *eaten_p = 0; obj = NULL; if (type == OBJ_BLOB) { - struct blob *blob = lookup_blob(sha1); + struct blob *blob = lookup_blob(oid); if (blob) { if (parse_blob_buffer(blob, buffer, size)) return NULL; obj = &blob->object; } } else if (type == OBJ_TREE) { - struct tree *tree = lookup_tree(sha1); + struct tree *tree = lookup_tree(oid); if (tree) { obj = &tree->object; if (!tree->buffer) @@ -206,7 +206,7 @@ struct object *parse_object_buffer(const unsigned char *sha1, enum object_type t } } } else if (type == OBJ_COMMIT) { - struct commit *commit = lookup_commit(sha1); + struct commit *commit = lookup_commit(oid); if (commit) { if (parse_commit_buffer(commit, buffer, size)) return NULL; @@ -217,54 +217,54 @@ struct object *parse_object_buffer(const unsigned char *sha1, enum object_type t obj = &commit->object; } } else if (type == OBJ_TAG) { - struct tag *tag = lookup_tag(sha1); + struct tag *tag = lookup_tag(oid); if (tag) { if (parse_tag_buffer(tag, buffer, size)) return NULL; obj = &tag->object; } } else { - warning("object %s has unknown type id %d", sha1_to_hex(sha1), type); + warning("object %s has unknown type id %d", oid_to_hex(oid), type); obj = NULL; } return obj; } -struct object *parse_object_or_die(const unsigned char *sha1, +struct object *parse_object_or_die(const struct object_id *oid, const char *name) { - struct object *o = parse_object(sha1); + struct object *o = parse_object(oid); if (o) return o; - die(_("unable to parse object: %s"), name ? name : sha1_to_hex(sha1)); + die(_("unable to parse object: %s"), name ? name : oid_to_hex(oid)); } -struct object *parse_object(const unsigned char *sha1) +struct object *parse_object(const struct object_id *oid) { unsigned long size; enum object_type type; int eaten; - const unsigned char *repl = lookup_replace_object(sha1); + const unsigned char *repl = lookup_replace_object(oid->hash); void *buffer; struct object *obj; - obj = lookup_object(sha1); + obj = lookup_object(oid->hash); if (obj && obj->parsed) return obj; if ((obj && obj->type == OBJ_BLOB) || - (!obj && has_sha1_file(sha1) && - sha1_object_info(sha1, NULL) == OBJ_BLOB)) { + (!obj && has_object_file(oid) && + sha1_object_info(oid->hash, NULL) == OBJ_BLOB)) { if (check_sha1_signature(repl, NULL, 0, NULL) < 0) { - error("sha1 mismatch %s", sha1_to_hex(repl)); + error("sha1 mismatch %s", oid_to_hex(oid)); return NULL; } - parse_blob_buffer(lookup_blob(sha1), NULL, 0); - return lookup_object(sha1); + parse_blob_buffer(lookup_blob(oid), NULL, 0); + return lookup_object(oid->hash); } - buffer = read_sha1_file(sha1, &type, &size); + buffer = read_sha1_file(oid->hash, &type, &size); if (buffer) { if (check_sha1_signature(repl, buffer, size, typename(type)) < 0) { free(buffer); @@ -272,7 +272,7 @@ struct object *parse_object(const unsigned char *sha1) return NULL; } - obj = parse_object_buffer(sha1, type, size, buffer, &eaten); + obj = parse_object_buffer(oid, type, size, buffer, &eaten); if (!eaten) free(buffer); return obj;
diff --git a/object.h b/object.h index f52957d..33e5cc9 100644 --- a/object.h +++ b/object.h
@@ -89,20 +89,20 @@ void *object_as_type(struct object *obj, enum object_type type, int quiet); * * Returns NULL if the object is missing or corrupt. */ -struct object *parse_object(const unsigned char *sha1); +struct object *parse_object(const struct object_id *oid); /* * Like parse_object, but will die() instead of returning NULL. If the * "name" parameter is not NULL, it is included in the error message - * (otherwise, the sha1 hex is given). + * (otherwise, the hex object ID is given). */ -struct object *parse_object_or_die(const unsigned char *sha1, const char *name); +struct object *parse_object_or_die(const struct object_id *oid, const char *name); /* Given the result of read_sha1_file(), returns the object after * parsing it. eaten_p indicates if the object has a borrowed copy * of buffer and the caller should not free() it. */ -struct object *parse_object_buffer(const unsigned char *sha1, enum object_type type, unsigned long size, void *buffer, int *eaten_p); +struct object *parse_object_buffer(const struct object_id *oid, enum object_type type, unsigned long size, void *buffer, int *eaten_p); /** Returns the object, with potentially excess memory allocated. **/ struct object *lookup_unknown_object(const unsigned char *sha1);
diff --git a/pack-bitmap-write.c b/pack-bitmap-write.c index e313f4f..8e47a96 100644 --- a/pack-bitmap-write.c +++ b/pack-bitmap-write.c
@@ -73,7 +73,8 @@ void bitmap_writer_build_type_index(struct pack_idx_entry **index, break; default: - real_type = sha1_object_info(entry->idx.sha1, NULL); + real_type = sha1_object_info(entry->idx.oid.hash, + NULL); break; } @@ -96,7 +97,8 @@ void bitmap_writer_build_type_index(struct pack_idx_entry **index, default: die("Missing type information for %s (%d/%d)", - sha1_to_hex(entry->idx.sha1), real_type, entry->type); + oid_to_hex(&entry->idx.oid), real_type, + entry->type); } } } @@ -459,7 +461,7 @@ static inline void dump_bitmap(struct sha1file *f, struct ewah_bitmap *bitmap) static const unsigned char *sha1_access(size_t pos, void *table) { struct pack_idx_entry **index = table; - return index[pos]->sha1; + return index[pos]->oid.hash; } static void write_selected_commits_v1(struct sha1file *f,
diff --git a/pack-bitmap.c b/pack-bitmap.c index 39bcc16..a3ac3dc 100644 --- a/pack-bitmap.c +++ b/pack-bitmap.c
@@ -673,7 +673,7 @@ int prepare_bitmap_walk(struct rev_info *revs) struct object *object = pending_e[i].item; if (object->type == OBJ_NONE) - parse_object_or_die(object->oid.hash, NULL); + parse_object_or_die(&object->oid, NULL); while (object->type == OBJ_TAG) { struct tag *tag = (struct tag *) object; @@ -685,7 +685,7 @@ int prepare_bitmap_walk(struct rev_info *revs) if (!tag->tagged) die("bad tag"); - object = parse_object_or_die(tag->tagged->oid.hash, NULL); + object = parse_object_or_die(&tag->tagged->oid, NULL); } if (object->flags & UNINTERESTING)
diff --git a/pack-check.c b/pack-check.c index 27f70d3..e1fcb22 100644 --- a/pack-check.c +++ b/pack-check.c
@@ -5,7 +5,10 @@ struct idx_entry { off_t offset; - const unsigned char *sha1; + union idx_entry_object { + const unsigned char *hash; + struct object_id *oid; + } oid; unsigned int nr; }; @@ -51,7 +54,7 @@ static int verify_packfile(struct packed_git *p, off_t index_size = p->index_size; const unsigned char *index_base = p->index_data; git_SHA_CTX ctx; - unsigned char sha1[20], *pack_sig; + unsigned char hash[GIT_MAX_RAWSZ], *pack_sig; off_t offset = 0, pack_sig_ofs = 0; uint32_t nr_objects, i; int err = 0; @@ -71,9 +74,9 @@ static int verify_packfile(struct packed_git *p, remaining -= (unsigned int)(offset - pack_sig_ofs); git_SHA1_Update(&ctx, in, remaining); } while (offset < pack_sig_ofs); - git_SHA1_Final(sha1, &ctx); + git_SHA1_Final(hash, &ctx); pack_sig = use_pack(p, w_curs, pack_sig_ofs, NULL); - if (hashcmp(sha1, pack_sig)) + if (hashcmp(hash, pack_sig)) err = error("%s SHA1 checksum mismatch", p->pack_name); if (hashcmp(index_base + index_size - 40, pack_sig)) @@ -90,8 +93,8 @@ static int verify_packfile(struct packed_git *p, entries[nr_objects].offset = pack_sig_ofs; /* first sort entries by pack offset, since unpacking them is more efficient that way */ for (i = 0; i < nr_objects; i++) { - entries[i].sha1 = nth_packed_object_sha1(p, i); - if (!entries[i].sha1) + entries[i].oid.hash = nth_packed_object_sha1(p, i); + if (!entries[i].oid.hash) die("internal error pack-check nth-packed-object"); entries[i].offset = nth_packed_object_offset(p, i); entries[i].nr = i; @@ -112,7 +115,7 @@ static int verify_packfile(struct packed_git *p, if (check_pack_crc(p, w_curs, offset, len, nr)) err = error("index CRC mismatch for object %s " "from %s at offset %"PRIuMAX"", - sha1_to_hex(entries[i].sha1), + oid_to_hex(entries[i].oid.oid), p->pack_name, (uintmax_t)offset); } @@ -135,14 +138,14 @@ static int verify_packfile(struct packed_git *p, if (data_valid && !data) err = error("cannot unpack %s from %s at offset %"PRIuMAX"", - sha1_to_hex(entries[i].sha1), p->pack_name, + oid_to_hex(entries[i].oid.oid), p->pack_name, (uintmax_t)entries[i].offset); - else if (check_sha1_signature(entries[i].sha1, data, size, typename(type))) + else if (check_sha1_signature(entries[i].oid.hash, data, size, typename(type))) err = error("packed %s from %s is corrupt", - sha1_to_hex(entries[i].sha1), p->pack_name); + oid_to_hex(entries[i].oid.oid), p->pack_name); else if (fn) { int eaten = 0; - err |= fn(entries[i].sha1, type, size, data, &eaten); + err |= fn(entries[i].oid.oid, type, size, data, &eaten); if (eaten) data = NULL; }
diff --git a/pack-objects.c b/pack-objects.c index 6398a8a..9558d13 100644 --- a/pack-objects.c +++ b/pack-objects.c
@@ -14,7 +14,7 @@ static uint32_t locate_object_entry_hash(struct packing_data *pdata, while (pdata->index[i] > 0) { uint32_t pos = pdata->index[i] - 1; - if (!hashcmp(sha1, pdata->objects[pos].idx.sha1)) { + if (!hashcmp(sha1, pdata->objects[pos].idx.oid.hash)) { *found = 1; return i; } @@ -53,7 +53,9 @@ static void rehash_objects(struct packing_data *pdata) for (i = 0; i < pdata->nr_objects; i++) { int found; - uint32_t ix = locate_object_entry_hash(pdata, entry->idx.sha1, &found); + uint32_t ix = locate_object_entry_hash(pdata, + entry->idx.oid.hash, + &found); if (found) die("BUG: Duplicate object in hash"); @@ -98,7 +100,7 @@ struct object_entry *packlist_alloc(struct packing_data *pdata, new_entry = pdata->objects + pdata->nr_objects++; memset(new_entry, 0, sizeof(*new_entry)); - hashcpy(new_entry->idx.sha1, sha1); + hashcpy(new_entry->idx.oid.hash, sha1); if (pdata->index_size * 3 <= pdata->nr_objects * 4) rehash_objects(pdata);
diff --git a/pack-write.c b/pack-write.c index fa97b72..a333ec6 100644 --- a/pack-write.c +++ b/pack-write.c
@@ -13,7 +13,7 @@ static int sha1_compare(const void *_a, const void *_b) { struct pack_idx_entry *a = *(struct pack_idx_entry **)_a; struct pack_idx_entry *b = *(struct pack_idx_entry **)_b; - return hashcmp(a->sha1, b->sha1); + return oidcmp(&a->oid, &b->oid); } static int cmp_uint32(const void *a_, const void *b_) @@ -103,7 +103,7 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec struct pack_idx_entry **next = list; while (next < last) { struct pack_idx_entry *obj = *next; - if (obj->sha1[0] != i) + if (obj->oid.hash[0] != i) break; next++; } @@ -122,11 +122,11 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec uint32_t offset = htonl(obj->offset); sha1write(f, &offset, 4); } - sha1write(f, obj->sha1, 20); + sha1write(f, obj->oid.hash, 20); if ((opts->flags & WRITE_IDX_STRICT) && - (i && !hashcmp(list[-2]->sha1, obj->sha1))) + (i && !oidcmp(&list[-2]->oid, &obj->oid))) die("The same object %s appears twice in the pack", - sha1_to_hex(obj->sha1)); + oid_to_hex(&obj->oid)); } if (index_version >= 2) {
diff --git a/pack.h b/pack.h index 5c21587..8294341 100644 --- a/pack.h +++ b/pack.h
@@ -67,7 +67,7 @@ struct pack_idx_header { * Common part of object structure used for write_idx_file */ struct pack_idx_entry { - unsigned char sha1[20]; + struct object_id oid; uint32_t crc32; off_t offset; }; @@ -75,7 +75,7 @@ struct pack_idx_entry { struct progress; /* Note, the data argument could be NULL if object type is blob */ -typedef int (*verify_fn)(const unsigned char*, enum object_type, unsigned long, void*, int*); +typedef int (*verify_fn)(const struct object_id *, enum object_type, unsigned long, void*, int*); extern const char *write_idx_file(const char *index_name, struct pack_idx_entry **objects, int nr_objects, const struct pack_idx_option *, const unsigned char *sha1); extern int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, off_t offset, off_t len, unsigned int nr);
diff --git a/parse-options-cb.c b/parse-options-cb.c index a6810f2..c6679cb 100644 --- a/parse-options-cb.c +++ b/parse-options-cb.c
@@ -80,14 +80,14 @@ int parse_opt_verbosity_cb(const struct option *opt, const char *arg, int parse_opt_commits(const struct option *opt, const char *arg, int unset) { - unsigned char sha1[20]; + struct object_id oid; struct commit *commit; if (!arg) return -1; - if (get_sha1(arg, sha1)) + if (get_oid(arg, &oid)) return error("malformed object name %s", arg); - commit = lookup_commit_reference(sha1); + commit = lookup_commit_reference(&oid); if (!commit) return error("no such commit %s", arg); commit_list_insert(commit, opt->value);
diff --git a/parse-options.c b/parse-options.c index a23a1e6..e5ad34a 100644 --- a/parse-options.c +++ b/parse-options.c
@@ -589,8 +589,10 @@ static int usage_with_options_internal(struct parse_opt_ctx_t *ctx, fprintf_ln(outfile, _("usage: %s"), _(*usagestr++)); while (*usagestr && **usagestr) - /* TRANSLATORS: the colon here should align with the - one in "usage: %s" translation */ + /* + * TRANSLATORS: the colon here should align with the + * one in "usage: %s" translation. + */ fprintf_ln(outfile, _(" or: %s"), _(*usagestr++)); while (*usagestr) { if (**usagestr)
diff --git a/patch-ids.c b/patch-ids.c index fa8f11d..92eba7a 100644 --- a/patch-ids.c +++ b/patch-ids.c
@@ -99,11 +99,12 @@ struct patch_id *has_commit_patch_id(struct commit *commit, struct patch_id *add_commit_patch_id(struct commit *commit, struct patch_ids *ids) { - struct patch_id *key = xcalloc(1, sizeof(*key)); + struct patch_id *key; if (!patch_id_defined(commit)) return NULL; + key = xcalloc(1, sizeof(*key)); if (init_patch_id_entry(key, commit, ids)) { free(key); return NULL;
diff --git a/pathspec.c b/pathspec.c index 50f76ff..8284050 100644 --- a/pathspec.c +++ b/pathspec.c
@@ -1,3 +1,4 @@ +#define NO_THE_INDEX_COMPATIBILITY_MACROS #include "cache.h" #include "dir.h" #include "pathspec.h" @@ -17,6 +18,7 @@ * to use find_pathspecs_matching_against_index() instead. */ void add_pathspec_matches_against_index(const struct pathspec *pathspec, + const struct index_state *istate, char *seen) { int num_unmatched = 0, i; @@ -32,8 +34,8 @@ void add_pathspec_matches_against_index(const struct pathspec *pathspec, num_unmatched++; if (!num_unmatched) return; - for (i = 0; i < active_nr; i++) { - const struct cache_entry *ce = active_cache[i]; + for (i = 0; i < istate->cache_nr; i++) { + const struct cache_entry *ce = istate->cache[i]; ce_path_match(ce, pathspec, seen); } } @@ -46,10 +48,11 @@ void add_pathspec_matches_against_index(const struct pathspec *pathspec, * nature of the "closest" (i.e. most specific) matches which each of the * given pathspecs achieves against all items in the index. */ -char *find_pathspecs_matching_against_index(const struct pathspec *pathspec) +char *find_pathspecs_matching_against_index(const struct pathspec *pathspec, + const struct index_state *istate) { char *seen = xcalloc(pathspec->nr, 1); - add_pathspec_matches_against_index(pathspec, seen); + add_pathspec_matches_against_index(pathspec, istate, seen); return seen; } @@ -386,65 +389,6 @@ static const char *parse_element_magic(unsigned *magic, int *prefix_len, return parse_short_magic(magic, elem); } -static void strip_submodule_slash_cheap(struct pathspec_item *item) -{ - if (item->len >= 1 && item->match[item->len - 1] == '/') { - int i = cache_name_pos(item->match, item->len - 1); - - if (i >= 0 && S_ISGITLINK(active_cache[i]->ce_mode)) { - item->len--; - item->match[item->len] = '\0'; - } - } -} - -static void strip_submodule_slash_expensive(struct pathspec_item *item) -{ - int i; - - for (i = 0; i < active_nr; i++) { - struct cache_entry *ce = active_cache[i]; - int ce_len = ce_namelen(ce); - - if (!S_ISGITLINK(ce->ce_mode)) - continue; - - if (item->len <= ce_len || item->match[ce_len] != '/' || - memcmp(ce->name, item->match, ce_len)) - continue; - - if (item->len == ce_len + 1) { - /* strip trailing slash */ - item->len--; - item->match[item->len] = '\0'; - } else { - die(_("Pathspec '%s' is in submodule '%.*s'"), - item->original, ce_len, ce->name); - } - } -} - -static void die_inside_submodule_path(struct pathspec_item *item) -{ - int i; - - for (i = 0; i < active_nr; i++) { - struct cache_entry *ce = active_cache[i]; - int ce_len = ce_namelen(ce); - - if (!S_ISGITLINK(ce->ce_mode)) - continue; - - if (item->len < ce_len || - !(item->match[ce_len] == '/' || item->match[ce_len] == '\0') || - memcmp(ce->name, item->match, ce_len)) - continue; - - die(_("Pathspec '%s' is in submodule '%.*s'"), - item->original, ce_len, ce->name); - } -} - /* * Perform the initialization of a pathspec_item based on a pathspec element. */ @@ -517,12 +461,6 @@ static void init_pathspec_item(struct pathspec_item *item, unsigned flags, item->original = xstrdup(elt); } - if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP) - strip_submodule_slash_cheap(item); - - if (flags & PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE) - strip_submodule_slash_expensive(item); - if (magic & PATHSPEC_LITERAL) { item->nowildcard_len = item->len; } else { @@ -547,15 +485,7 @@ static void init_pathspec_item(struct pathspec_item *item, unsigned flags, /* sanity checks, pathspec matchers assume these are sane */ if (item->nowildcard_len > item->len || item->prefix > item->len) { - /* - * This case can be triggered by the user pointing us to a - * pathspec inside a submodule, which is an input error. - * Detect that here and complain, but fallback in the - * non-submodule case to a BUG, as we have no idea what - * would trigger that. - */ - die_inside_submodule_path(item); - die ("BUG: item->nowildcard_len > item->len || item->prefix > item->len)"); + die ("BUG: error initializing pathspec_item"); } }
diff --git a/pathspec.h b/pathspec.h index 55e9769..60e6500 100644 --- a/pathspec.h +++ b/pathspec.h
@@ -58,27 +58,17 @@ struct pathspec { #define PATHSPEC_PREFER_CWD (1<<0) /* No args means match cwd */ #define PATHSPEC_PREFER_FULL (1<<1) /* No args means match everything */ #define PATHSPEC_MAXDEPTH_VALID (1<<2) /* max_depth field is valid */ -/* strip the trailing slash if the given path is a gitlink */ -#define PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP (1<<3) /* die if a symlink is part of the given path's directory */ -#define PATHSPEC_SYMLINK_LEADING_PATH (1<<4) -/* - * This is like a combination of ..LEADING_PATH and .._SLASH_CHEAP - * (but not the same): it strips the trailing slash if the given path - * is a gitlink but also checks and dies if gitlink is part of the - * leading path (i.e. the given path goes beyond a submodule). It's - * safer than _SLASH_CHEAP and also more expensive. - */ -#define PATHSPEC_STRIP_SUBMODULE_SLASH_EXPENSIVE (1<<5) -#define PATHSPEC_PREFIX_ORIGIN (1<<6) -#define PATHSPEC_KEEP_ORDER (1<<7) +#define PATHSPEC_SYMLINK_LEADING_PATH (1<<3) +#define PATHSPEC_PREFIX_ORIGIN (1<<4) +#define PATHSPEC_KEEP_ORDER (1<<5) /* * For the callers that just need pure paths from somewhere else, not * from command line. Global --*-pathspecs options are ignored. No * magic is parsed in each pathspec either. If PATHSPEC_LITERAL is * allowed, then it will automatically set for every pathspec. */ -#define PATHSPEC_LITERAL_PATH (1<<8) +#define PATHSPEC_LITERAL_PATH (1<<6) extern void parse_pathspec(struct pathspec *pathspec, unsigned magic_mask, @@ -106,7 +96,10 @@ static inline int ps_strcmp(const struct pathspec_item *item, return strcmp(s1, s2); } -extern char *find_pathspecs_matching_against_index(const struct pathspec *pathspec); -extern void add_pathspec_matches_against_index(const struct pathspec *pathspec, char *seen); +extern void add_pathspec_matches_against_index(const struct pathspec *pathspec, + const struct index_state *istate, + char *seen); +extern char *find_pathspecs_matching_against_index(const struct pathspec *pathspec, + const struct index_state *istate); #endif /* PATHSPEC_H */
diff --git a/pkt-line.c b/pkt-line.c index d4b6bfe..9d845ec 100644 --- a/pkt-line.c +++ b/pkt-line.c
@@ -171,6 +171,25 @@ int packet_write_fmt_gently(int fd, const char *fmt, ...) return status; } +int packet_writel(int fd, const char *line, ...) +{ + va_list args; + int err; + va_start(args, line); + for (;;) { + if (!line) + break; + if (strlen(line) > LARGE_PACKET_DATA_MAX) + return -1; + err = packet_write_fmt_gently(fd, "%s\n", line); + if (err) + return err; + line = va_arg(args, const char*); + } + va_end(args); + return packet_flush_gently(fd); +} + static int packet_write_gently(const int fd_out, const char *buf, size_t size) { static char packet_write_buffer[LARGE_PACKET_MAX]; @@ -315,7 +334,7 @@ static char *packet_read_line_generic(int fd, PACKET_READ_CHOMP_NEWLINE); if (dst_len) *dst_len = len; - return len ? packet_buffer : NULL; + return (len > 0) ? packet_buffer : NULL; } char *packet_read_line(int fd, int *len_p) @@ -323,6 +342,18 @@ char *packet_read_line(int fd, int *len_p) return packet_read_line_generic(fd, NULL, NULL, len_p); } +int packet_read_line_gently(int fd, int *dst_len, char **dst_line) +{ + int len = packet_read(fd, NULL, NULL, + packet_buffer, sizeof(packet_buffer), + PACKET_READ_CHOMP_NEWLINE|PACKET_READ_GENTLE_ON_EOF); + if (dst_len) + *dst_len = len; + if (dst_line) + *dst_line = (len > 0) ? packet_buffer : NULL; + return len; +} + char *packet_read_line_buf(char **src, size_t *src_len, int *dst_len) { return packet_read_line_generic(-1, src, src_len, dst_len);
diff --git a/pkt-line.h b/pkt-line.h index 18eac64..450183b 100644 --- a/pkt-line.h +++ b/pkt-line.h
@@ -25,6 +25,8 @@ void packet_buf_flush(struct strbuf *buf); void packet_buf_write(struct strbuf *buf, const char *fmt, ...) __attribute__((format (printf, 2, 3))); int packet_flush_gently(int fd); int packet_write_fmt_gently(int fd, const char *fmt, ...) __attribute__((format (printf, 2, 3))); +LAST_ARG_MUST_BE_NULL +int packet_writel(int fd, const char *line, ...); int write_packetized_from_fd(int fd_in, int fd_out); int write_packetized_from_buf(const char *src_in, size_t len, int fd_out); @@ -74,6 +76,17 @@ int packet_read(int fd, char **src_buffer, size_t *src_len, char char *packet_read_line(int fd, int *size); /* + * Convenience wrapper for packet_read that sets the PACKET_READ_GENTLE_ON_EOF + * and CHOMP_NEWLINE options. The return value specifies the number of bytes + * read into the buffer or -1 on truncated input. If the *dst_line parameter + * is not NULL it will return NULL for a flush packet or when the number of + * bytes copied is zero and otherwise points to a static buffer (that may be + * overwritten by subsequent calls). If the size parameter is not NULL, the + * length of the packet is written to it. + */ +int packet_read_line_gently(int fd, int *size, char **dst_line); + +/* * Same as packet_read_line, but read from a buf rather than a descriptor; * see packet_read for details on how src_* is used. */
diff --git a/pretty.c b/pretty.c index 587d483..09701bd 100644 --- a/pretty.c +++ b/pretty.c
@@ -1137,7 +1137,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ /* these depend on the commit */ if (!commit->object.parsed) - parse_object(commit->object.oid.hash); + parse_object(&commit->object.oid); switch (placeholder[0]) { case 'H': /* commit hash */
diff --git a/reachable.c b/reachable.c index 682418f..c62efbf 100644 --- a/reachable.c +++ b/reachable.c
@@ -33,7 +33,7 @@ static int add_one_ref(const char *path, const struct object_id *oid, return 0; } - object = parse_object_or_die(oid->hash, path); + object = parse_object_or_die(oid, path); add_pending_object(revs, object, ""); return 0; @@ -82,13 +82,13 @@ static void add_recent_object(const struct object_id *oid, switch (type) { case OBJ_TAG: case OBJ_COMMIT: - obj = parse_object_or_die(oid->hash, NULL); + obj = parse_object_or_die(oid, NULL); break; case OBJ_TREE: - obj = (struct object *)lookup_tree(oid->hash); + obj = (struct object *)lookup_tree(oid); break; case OBJ_BLOB: - obj = (struct object *)lookup_blob(oid->hash); + obj = (struct object *)lookup_blob(oid); break; default: die("unknown object type for %s: %s",
diff --git a/read-cache.c b/read-cache.c index 3339de8..bc156a1 100644 --- a/read-cache.c +++ b/read-cache.c
@@ -1877,15 +1877,9 @@ int discard_index(struct index_state *istate) { int i; - for (i = 0; i < istate->cache_nr; i++) { - if (istate->cache[i]->index && - istate->split_index && - istate->split_index->base && - istate->cache[i]->index <= istate->split_index->base->cache_nr && - istate->cache[i] == istate->split_index->base->cache[istate->cache[i]->index - 1]) - continue; + unshare_split_index(istate, 1); + for (i = 0; i < istate->cache_nr; i++) free(istate->cache[i]); - } resolve_undo_clear_index(istate); istate->cache_nr = 0; istate->cache_changed = 0; @@ -2187,9 +2181,10 @@ void update_index_if_able(struct index_state *istate, struct lock_file *lockfile rollback_lock_file(lockfile); } -static int do_write_index(struct index_state *istate, int newfd, +static int do_write_index(struct index_state *istate, struct tempfile *tempfile, int strip_extensions) { + int newfd = tempfile->fd; git_SHA_CTX c; struct cache_header hdr; int i, err, removed, extended, hdr_version; @@ -2301,7 +2296,11 @@ static int do_write_index(struct index_state *istate, int newfd, return -1; } - if (ce_flush(&c, newfd, istate->sha1) || fstat(newfd, &st)) + if (ce_flush(&c, newfd, istate->sha1)) + return -1; + if (close_tempfile(tempfile)) + return error(_("could not close '%s'"), tempfile->filename.buf); + if (stat(tempfile->filename.buf, &st)) return -1; istate->timestamp.sec = (unsigned int)st.st_mtime; istate->timestamp.nsec = ST_MTIME_NSEC(st); @@ -2324,7 +2323,7 @@ static int commit_locked_index(struct lock_file *lk) static int do_write_locked_index(struct index_state *istate, struct lock_file *lock, unsigned flags) { - int ret = do_write_index(istate, get_lock_file_fd(lock), 0); + int ret = do_write_index(istate, &lock->tempfile, 0); if (ret) return ret; assert((flags & (COMMIT_LOCK | CLOSE_LOCK)) != @@ -2421,7 +2420,7 @@ static int write_shared_index(struct index_state *istate, return do_write_locked_index(istate, lock, flags); } move_cache_to_base_index(istate); - ret = do_write_index(si->base, fd, 1); + ret = do_write_index(si->base, &temporary_sharedindex, 1); if (ret) { delete_tempfile(&temporary_sharedindex); return ret; @@ -2631,3 +2630,9 @@ void stat_validity_update(struct stat_validity *sv, int fd) fill_stat_data(sv->sd, &st); } } + +void move_index_extensions(struct index_state *dst, struct index_state *src) +{ + dst->untracked = src->untracked; + src->untracked = NULL; +}
diff --git a/ref-filter.c b/ref-filter.c index 1fc5e99..ab32bc9 100644 --- a/ref-filter.c +++ b/ref-filter.c
@@ -93,6 +93,7 @@ static struct used_atom { unsigned int length; } objectname; struct refname_atom refname; + char *head; } u; } *used_atom; static int used_atom_cnt, need_tagged, need_symref; @@ -287,6 +288,12 @@ static void if_atom_parser(struct used_atom *atom, const char *arg) } } +static void head_atom_parser(struct used_atom *atom, const char *arg) +{ + struct object_id unused; + + atom->u.head = resolve_refdup("HEAD", RESOLVE_REF_READING, unused.hash, NULL); +} static struct { const char *name; @@ -325,7 +332,7 @@ static struct { { "push", FIELD_STR, remote_ref_atom_parser }, { "symref", FIELD_STR, refname_atom_parser }, { "flag" }, - { "HEAD" }, + { "HEAD", FIELD_STR, head_atom_parser }, { "color", FIELD_STR, color_atom_parser }, { "align", FIELD_STR, align_atom_parser }, { "end" }, @@ -677,13 +684,13 @@ int verify_ref_format(const char *format) * by the "struct object" representation, set *eaten as well---it is a * signal from parse_object_buffer to us not to free the buffer. */ -static void *get_obj(const unsigned char *sha1, struct object **obj, unsigned long *sz, int *eaten) +static void *get_obj(const struct object_id *oid, struct object **obj, unsigned long *sz, int *eaten) { enum object_type type; - void *buf = read_sha1_file(sha1, &type, sz); + void *buf = read_sha1_file(oid->hash, &type, sz); if (buf) - *obj = parse_object_buffer(sha1, type, *sz, buf, eaten); + *obj = parse_object_buffer(oid, type, *sz, buf, eaten); else *obj = NULL; return buf; @@ -1251,13 +1258,17 @@ char *get_head_description(void) state.branch); else if (state.detached_from) { if (state.detached_at) - /* TRANSLATORS: make sure this matches - "HEAD detached at " in wt-status.c */ + /* + * TRANSLATORS: make sure this matches "HEAD + * detached at " in wt-status.c + */ strbuf_addf(&desc, _("(HEAD detached at %s)"), state.detached_from); else - /* TRANSLATORS: make sure this matches - "HEAD detached from " in wt-status.c */ + /* + * TRANSLATORS: make sure this matches "HEAD + * detached from " in wt-status.c + */ strbuf_addf(&desc, _("(HEAD detached from %s)"), state.detached_from); } @@ -1293,7 +1304,7 @@ static void populate_value(struct ref_array_item *ref) struct object *obj; int eaten, i; unsigned long size; - const unsigned char *tagged; + const struct object_id *tagged; ref->value = xcalloc(used_atom_cnt, sizeof(struct atom_value)); @@ -1366,15 +1377,10 @@ static void populate_value(struct ref_array_item *ref) v->s = xstrdup(buf + 1); } continue; - } else if (!deref && grab_objectname(name, ref->objectname, v, atom)) { + } else if (!deref && grab_objectname(name, ref->objectname.hash, v, atom)) { continue; } else if (!strcmp(name, "HEAD")) { - const char *head; - unsigned char sha1[20]; - - head = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, - sha1, NULL); - if (head && !strcmp(ref->refname, head)) + if (atom->u.head && !strcmp(ref->refname, atom->u.head)) v->s = "*"; else v->s = " "; @@ -1415,13 +1421,13 @@ static void populate_value(struct ref_array_item *ref) return; need_obj: - buf = get_obj(ref->objectname, &obj, &size, &eaten); + buf = get_obj(&ref->objectname, &obj, &size, &eaten); if (!buf) die(_("missing object %s for %s"), - sha1_to_hex(ref->objectname), ref->refname); + oid_to_hex(&ref->objectname), ref->refname); if (!obj) die(_("parse_object_buffer failed on %s for %s"), - sha1_to_hex(ref->objectname), ref->refname); + oid_to_hex(&ref->objectname), ref->refname); grab_values(ref->value, 0, obj, buf, size); if (!eaten) @@ -1438,7 +1444,7 @@ static void populate_value(struct ref_array_item *ref) * If it is a tag object, see if we use a value that derefs * the object, and if we do grab the object it refers to. */ - tagged = ((struct tag *)obj)->tagged->oid.hash; + tagged = &((struct tag *)obj)->tagged->oid; /* * NEEDSWORK: This derefs tag only once, which @@ -1449,10 +1455,10 @@ static void populate_value(struct ref_array_item *ref) buf = get_obj(tagged, &obj, &size, &eaten); if (!buf) die(_("missing object %s for %s"), - sha1_to_hex(tagged), ref->refname); + oid_to_hex(tagged), ref->refname); if (!obj) die(_("parse_object_buffer failed on %s for %s"), - sha1_to_hex(tagged), ref->refname); + oid_to_hex(tagged), ref->refname); grab_values(ref->value, 1, obj, buf, size); if (!eaten) free(buf); @@ -1666,6 +1672,68 @@ static int filter_pattern_match(struct ref_filter *filter, const char *refname) } /* + * Find the longest prefix of pattern we can pass to + * `for_each_fullref_in()`, namely the part of pattern preceding the + * first glob character. (Note that `for_each_fullref_in()` is + * perfectly happy working with a prefix that doesn't end at a + * pathname component boundary.) + */ +static void find_longest_prefix(struct strbuf *out, const char *pattern) +{ + const char *p; + + for (p = pattern; *p && !is_glob_special(*p); p++) + ; + + strbuf_add(out, pattern, p - pattern); +} + +/* + * This is the same as for_each_fullref_in(), but it tries to iterate + * only over the patterns we'll care about. Note that it _doesn't_ do a full + * pattern match, so the callback still has to match each ref individually. + */ +static int for_each_fullref_in_pattern(struct ref_filter *filter, + each_ref_fn cb, + void *cb_data, + int broken) +{ + struct strbuf prefix = STRBUF_INIT; + int ret; + + if (!filter->match_as_path) { + /* + * in this case, the patterns are applied after + * prefixes like "refs/heads/" etc. are stripped off, + * so we have to look at everything: + */ + return for_each_fullref_in("", cb, cb_data, broken); + } + + if (!filter->name_patterns[0]) { + /* no patterns; we have to look at everything */ + return for_each_fullref_in("", cb, cb_data, broken); + } + + if (filter->name_patterns[1]) { + /* + * multiple patterns; in theory this could still work as long + * as the patterns are disjoint. We'd just make multiple calls + * to for_each_ref(). But if they're not disjoint, we'd end up + * reporting the same ref multiple times. So let's punt on that + * for now. + */ + return for_each_fullref_in("", cb, cb_data, broken); + } + + find_longest_prefix(&prefix, filter->name_patterns[0]); + + ret = for_each_fullref_in(prefix.buf, cb, cb_data, broken); + strbuf_release(&prefix); + return ret; +} + +/* * Given a ref (sha1, refname), check if the ref belongs to the array * of sha1s. If the given ref is a tag, check if the given tag points * at one of the sha1s in the given sha1 array. @@ -1687,7 +1755,7 @@ static const struct object_id *match_points_at(struct oid_array *points_at, if (oid_array_lookup(points_at, oid) >= 0) return oid; - obj = parse_object(oid->hash); + obj = parse_object(oid); if (!obj) die(_("malformed object at '%s'"), refname); if (obj->type == OBJ_TAG) @@ -1704,7 +1772,7 @@ static struct ref_array_item *new_ref_array_item(const char *refname, { struct ref_array_item *ref; FLEX_ALLOC_STR(ref, refname, refname); - hashcpy(ref->objectname, objectname); + hashcpy(ref->objectname.hash, objectname); ref->flag = flag; return ref; @@ -1782,7 +1850,7 @@ static int ref_filter_handler(const char *refname, const struct object_id *oid, * non-commits early. The actual filtering is done later. */ if (filter->merge_commit || filter->with_commit || filter->no_commit || filter->verbose) { - commit = lookup_commit_reference_gently(oid->hash, 1); + commit = lookup_commit_reference_gently(oid, 1); if (!commit) return 0; /* We perform the filtering for the '--contains' option... */ @@ -1911,7 +1979,7 @@ int filter_refs(struct ref_array *array, struct ref_filter *filter, unsigned int else if (filter->kind == FILTER_REFS_TAGS) ret = for_each_fullref_in("refs/tags/", ref_filter_handler, &ref_cbdata, broken); else if (filter->kind & FILTER_REFS_ALL) - ret = for_each_fullref_in("", ref_filter_handler, &ref_cbdata, broken); + ret = for_each_fullref_in_pattern(filter, ref_filter_handler, &ref_cbdata, broken); if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD)) head_ref(ref_filter_handler, &ref_cbdata); } @@ -2090,7 +2158,7 @@ int parse_opt_ref_sorting(const struct option *opt, const char *arg, int unset) int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset) { struct ref_filter *rf = opt->value; - unsigned char sha1[20]; + struct object_id oid; int no_merged = starts_with(opt->long_name, "no"); if (rf->merge) { @@ -2105,10 +2173,10 @@ int parse_opt_merge_filter(const struct option *opt, const char *arg, int unset) ? REF_FILTER_MERGED_OMIT : REF_FILTER_MERGED_INCLUDE; - if (get_sha1(arg, sha1)) + if (get_oid(arg, &oid)) die(_("malformed object name %s"), arg); - rf->merge_commit = lookup_commit_reference_gently(sha1, 0); + rf->merge_commit = lookup_commit_reference_gently(&oid, 0); if (!rf->merge_commit) return opterror(opt, "must point to a commit", 0);
diff --git a/ref-filter.h b/ref-filter.h index c20167a..6552024 100644 --- a/ref-filter.h +++ b/ref-filter.h
@@ -34,7 +34,7 @@ struct ref_sorting { }; struct ref_array_item { - unsigned char objectname[20]; + struct object_id objectname; int flag; unsigned int kind; const char *symref;
diff --git a/reflog-walk.c b/reflog-walk.c index 3ca5ed8..ed99437 100644 --- a/reflog-walk.c +++ b/reflog-walk.c
@@ -183,7 +183,11 @@ int add_reflog_for_walk(struct reflog_walk_info *info, if (!reflogs || reflogs->nr == 0) { struct object_id oid; char *b; - if (dwim_log(branch, strlen(branch), oid.hash, &b) == 1) { + int ret = dwim_log(branch, strlen(branch), + oid.hash, &b); + if (ret > 1) + free(b); + else if (ret == 1) { if (reflogs) { free(reflogs->ref); free(reflogs); @@ -193,17 +197,27 @@ int add_reflog_for_walk(struct reflog_walk_info *info, reflogs = read_complete_reflog(branch); } } - if (!reflogs || reflogs->nr == 0) + if (!reflogs || reflogs->nr == 0) { + if (reflogs) { + free(reflogs->ref); + free(reflogs); + } + free(branch); return -1; + } string_list_insert(&info->complete_reflogs, branch)->util = reflogs; } + free(branch); commit_reflog = xcalloc(1, sizeof(struct commit_reflog)); if (recno < 0) { commit_reflog->recno = get_reflog_recno_by_time(reflogs, timestamp); if (commit_reflog->recno < 0) { - free(branch); + if (reflogs) { + free(reflogs->ref); + free(reflogs); + } free(commit_reflog); return -1; } @@ -238,13 +252,13 @@ void fake_reflog_parent(struct reflog_walk_info *info, struct commit *commit) do { reflog = &commit_reflog->reflogs->items[commit_reflog->recno]; commit_reflog->recno--; - logobj = parse_object(reflog->ooid.hash); + logobj = parse_object(&reflog->ooid); } while (commit_reflog->recno && (logobj && logobj->type != OBJ_COMMIT)); - if (!logobj && commit_reflog->recno >= 0 && is_null_sha1(reflog->ooid.hash)) { + if (!logobj && commit_reflog->recno >= 0 && is_null_oid(&reflog->ooid)) { /* a root commit, but there are still more entries to show */ reflog = &commit_reflog->reflogs->items[commit_reflog->recno]; - logobj = parse_object(reflog->noid.hash); + logobj = parse_object(&reflog->noid); } if (!logobj || logobj->type != OBJ_COMMIT) {
diff --git a/refs.c b/refs.c index 26d40f9..f0685c9 100644 --- a/refs.c +++ b/refs.c
@@ -848,11 +848,24 @@ struct ref_transaction *ref_transaction_begin(struct strbuf *err) void ref_transaction_free(struct ref_transaction *transaction) { - int i; + size_t i; if (!transaction) return; + switch (transaction->state) { + case REF_TRANSACTION_OPEN: + case REF_TRANSACTION_CLOSED: + /* OK */ + break; + case REF_TRANSACTION_PREPARED: + die("BUG: free called on a prepared reference transaction"); + break; + default: + die("BUG: unexpected reference transaction state"); + break; + } + for (i = 0; i < transaction->nr; i++) { free(transaction->updates[i]->msg); free(transaction->updates[i]); @@ -883,9 +896,9 @@ struct ref_update *ref_transaction_add_update( update->flags = flags; if (flags & REF_HAVE_NEW) - hashcpy(update->new_sha1, new_sha1); + hashcpy(update->new_oid.hash, new_sha1); if (flags & REF_HAVE_OLD) - hashcpy(update->old_sha1, old_sha1); + hashcpy(update->old_oid.hash, old_sha1); update->msg = xstrdup_or_null(msg); return update; } @@ -1246,8 +1259,19 @@ struct ref_iterator *refs_ref_iterator_begin( { struct ref_iterator *iter; + if (ref_paranoia < 0) + ref_paranoia = git_env_bool("GIT_REF_PARANOIA", 0); + if (ref_paranoia) + flags |= DO_FOR_EACH_INCLUDE_BROKEN; + iter = refs->be->iterator_begin(refs, prefix, flags); - iter = prefix_ref_iterator_begin(iter, prefix, trim); + + /* + * `iterator_begin()` already takes care of prefix, but we + * might need to do some trimming: + */ + if (trim) + iter = prefix_ref_iterator_begin(iter, "", trim); return iter; } @@ -1683,18 +1707,108 @@ int create_symref(const char *ref_target, const char *refs_heads_master, refs_heads_master, logmsg); } -int ref_transaction_commit(struct ref_transaction *transaction, - struct strbuf *err) +int ref_update_reject_duplicates(struct string_list *refnames, + struct strbuf *err) +{ + size_t i, n = refnames->nr; + + assert(err); + + for (i = 1; i < n; i++) { + int cmp = strcmp(refnames->items[i - 1].string, + refnames->items[i].string); + + if (!cmp) { + strbuf_addf(err, + "multiple updates for ref '%s' not allowed.", + refnames->items[i].string); + return 1; + } else if (cmp > 0) { + die("BUG: ref_update_reject_duplicates() received unsorted list"); + } + } + return 0; +} + +int ref_transaction_prepare(struct ref_transaction *transaction, + struct strbuf *err) { struct ref_store *refs = transaction->ref_store; + switch (transaction->state) { + case REF_TRANSACTION_OPEN: + /* Good. */ + break; + case REF_TRANSACTION_PREPARED: + die("BUG: prepare called twice on reference transaction"); + break; + case REF_TRANSACTION_CLOSED: + die("BUG: prepare called on a closed reference transaction"); + break; + default: + die("BUG: unexpected reference transaction state"); + break; + } + if (getenv(GIT_QUARANTINE_ENVIRONMENT)) { strbuf_addstr(err, _("ref updates forbidden inside quarantine environment")); return -1; } - return refs->be->transaction_commit(refs, transaction, err); + return refs->be->transaction_prepare(refs, transaction, err); +} + +int ref_transaction_abort(struct ref_transaction *transaction, + struct strbuf *err) +{ + struct ref_store *refs = transaction->ref_store; + int ret = 0; + + switch (transaction->state) { + case REF_TRANSACTION_OPEN: + /* No need to abort explicitly. */ + break; + case REF_TRANSACTION_PREPARED: + ret = refs->be->transaction_abort(refs, transaction, err); + break; + case REF_TRANSACTION_CLOSED: + die("BUG: abort called on a closed reference transaction"); + break; + default: + die("BUG: unexpected reference transaction state"); + break; + } + + ref_transaction_free(transaction); + return ret; +} + +int ref_transaction_commit(struct ref_transaction *transaction, + struct strbuf *err) +{ + struct ref_store *refs = transaction->ref_store; + int ret; + + switch (transaction->state) { + case REF_TRANSACTION_OPEN: + /* Need to prepare first. */ + ret = ref_transaction_prepare(transaction, err); + if (ret) + return ret; + break; + case REF_TRANSACTION_PREPARED: + /* Fall through to finish. */ + break; + case REF_TRANSACTION_CLOSED: + die("BUG: commit called on a closed reference transaction"); + break; + default: + die("BUG: unexpected reference transaction state"); + break; + } + + return refs->be->transaction_finish(refs, transaction, err); } int refs_verify_refname_available(struct ref_store *refs, @@ -1896,15 +2010,16 @@ int initial_ref_transaction_commit(struct ref_transaction *transaction, return refs->be->initial_transaction_commit(refs, transaction, err); } -int refs_delete_refs(struct ref_store *refs, struct string_list *refnames, - unsigned int flags) +int refs_delete_refs(struct ref_store *refs, const char *msg, + struct string_list *refnames, unsigned int flags) { - return refs->be->delete_refs(refs, refnames, flags); + return refs->be->delete_refs(refs, msg, refnames, flags); } -int delete_refs(struct string_list *refnames, unsigned int flags) +int delete_refs(const char *msg, struct string_list *refnames, + unsigned int flags) { - return refs_delete_refs(get_main_ref_store(), refnames, flags); + return refs_delete_refs(get_main_ref_store(), msg, refnames, flags); } int refs_rename_ref(struct ref_store *refs, const char *oldref,
diff --git a/refs.h b/refs.h index d18ef47..4be14c4 100644 --- a/refs.h +++ b/refs.h
@@ -143,30 +143,71 @@ int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref); int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); /* - * A ref_transaction represents a collection of ref updates - * that should succeed or fail together. + * A ref_transaction represents a collection of reference updates that + * should succeed or fail together. * * Calling sequence * ---------------- + * * - Allocate and initialize a `struct ref_transaction` by calling * `ref_transaction_begin()`. * - * - List intended ref updates by calling functions like - * `ref_transaction_update()` and `ref_transaction_create()`. + * - Specify the intended ref updates by calling one or more of the + * following functions: + * - `ref_transaction_update()` + * - `ref_transaction_create()` + * - `ref_transaction_delete()` + * - `ref_transaction_verify()` * - * - Call `ref_transaction_commit()` to execute the transaction. - * If this succeeds, the ref updates will have taken place and - * the transaction cannot be rolled back. + * - Then either: * - * - Instead of `ref_transaction_commit`, use - * `initial_ref_transaction_commit()` if the ref database is known - * to be empty (e.g. during clone). This is likely to be much - * faster. + * - Optionally call `ref_transaction_prepare()` to prepare the + * transaction. This locks all references, checks preconditions, + * etc. but doesn't finalize anything. If this step fails, the + * transaction has been closed and can only be freed. If this step + * succeeds, then `ref_transaction_commit()` is almost certain to + * succeed. However, you can still call `ref_transaction_abort()` + * if you decide not to commit the transaction after all. * - * - At any time call `ref_transaction_free()` to discard the - * transaction and free associated resources. In particular, - * this rolls back the transaction if it has not been - * successfully committed. + * - Call `ref_transaction_commit()` to execute the transaction, + * make the changes permanent, and release all locks. If you + * haven't already called `ref_transaction_prepare()`, then + * `ref_transaction_commit()` calls it for you. + * + * Or + * + * - Call `initial_ref_transaction_commit()` if the ref database is + * known to be empty and have no other writers (e.g. during + * clone). This is likely to be much faster than + * `ref_transaction_commit()`. `ref_transaction_prepare()` should + * *not* be called before `initial_ref_transaction_commit()`. + * + * - Then finally, call `ref_transaction_free()` to free the + * `ref_transaction` data structure. + * + * At any time before calling `ref_transaction_commit()`, you can call + * `ref_transaction_abort()` to abort the transaction, rollback any + * locks, and free any associated resources (including the + * `ref_transaction` data structure). + * + * Putting it all together, a complete reference update looks like + * + * struct ref_transaction *transaction; + * struct strbuf err = STRBUF_INIT; + * int ret = 0; + * + * transaction = ref_store_transaction_begin(refs, &err); + * if (!transaction || + * ref_transaction_update(...) || + * ref_transaction_create(...) || + * ...etc... || + * ref_transaction_commit(transaction, &err)) { + * error("%s", err.buf); + * ret = -1; + * } + * ref_transaction_free(transaction); + * strbuf_release(&err); + * return ret; * * Error handling * -------------- @@ -183,8 +224,9 @@ int dwim_log(const char *str, int len, unsigned char *sha1, char **ref); * ------- * * Note that no locks are taken, and no refs are read, until - * `ref_transaction_commit` is called. So `ref_transaction_verify` - * won't report a verification failure until the commit is attempted. + * `ref_transaction_prepare()` or `ref_transaction_commit()` is + * called. So, for example, `ref_transaction_verify()` won't report a + * verification failure until the commit is attempted. */ struct ref_transaction; @@ -331,7 +373,8 @@ int reflog_exists(const char *refname); * verify that the current value of the reference is old_sha1 before * deleting it. If old_sha1 is NULL, delete the reference if it * exists, regardless of its old value. It is an error for old_sha1 to - * be NULL_SHA1. flags is passed through to ref_transaction_delete(). + * be NULL_SHA1. msg and flags are passed through to + * ref_transaction_delete(). */ int refs_delete_ref(struct ref_store *refs, const char *msg, const char *refname, @@ -343,12 +386,13 @@ int delete_ref(const char *msg, const char *refname, /* * Delete the specified references. If there are any problems, emit * errors but attempt to keep going (i.e., the deletes are not done in - * an all-or-nothing transaction). flags is passed through to + * an all-or-nothing transaction). msg and flags are passed through to * ref_transaction_delete(). */ -int refs_delete_refs(struct ref_store *refs, struct string_list *refnames, - unsigned int flags); -int delete_refs(struct string_list *refnames, unsigned int flags); +int refs_delete_refs(struct ref_store *refs, const char *msg, + struct string_list *refnames, unsigned int flags); +int delete_refs(const char *msg, struct string_list *refnames, + unsigned int flags); /** Delete a reflog */ int refs_delete_reflog(struct ref_store *refs, const char *refname); @@ -427,6 +471,19 @@ struct ref_transaction *ref_transaction_begin(struct strbuf *err); * * refname -- the name of the reference to be affected. * + * new_sha1 -- the SHA-1 that should be set to be the new value of + * the reference. Some functions allow this parameter to be + * NULL, meaning that the reference is not changed, or + * null_sha1, meaning that the reference should be deleted. A + * copy of this value is made in the transaction. + * + * old_sha1 -- the SHA-1 value that the reference must have before + * the update. Some functions allow this parameter to be NULL, + * meaning that the old value of the reference is not checked, + * or null_sha1, meaning that the reference must not exist + * before the update. A copy of this value is made in the + * transaction. + * * flags -- flags affecting the update, passed to * update_ref_lock(). Can be REF_NODEREF, which means that * symbolic references should not be followed. @@ -508,20 +565,48 @@ int ref_transaction_verify(struct ref_transaction *transaction, unsigned int flags, struct strbuf *err); -/* - * Commit all of the changes that have been queued in transaction, as - * atomically as possible. - * - * Returns 0 for success, or one of the below error codes for errors. - */ /* Naming conflict (for example, the ref names A and A/B conflict). */ #define TRANSACTION_NAME_CONFLICT -1 /* All other errors. */ #define TRANSACTION_GENERIC_ERROR -2 + +/* + * Perform the preparatory stages of commiting `transaction`. Acquire + * any needed locks, check preconditions, etc.; basically, do as much + * as possible to ensure that the transaction will be able to go + * through, stopping just short of making any irrevocable or + * user-visible changes. The updates that this function prepares can + * be finished up by calling `ref_transaction_commit()` or rolled back + * by calling `ref_transaction_abort()`. + * + * On success, return 0 and leave the transaction in "prepared" state. + * On failure, abort the transaction, write an error message to `err`, + * and return one of the `TRANSACTION_*` constants. + * + * Callers who don't need such fine-grained control over commiting + * reference transactions should just call `ref_transaction_commit()`. + */ +int ref_transaction_prepare(struct ref_transaction *transaction, + struct strbuf *err); + +/* + * Commit all of the changes that have been queued in transaction, as + * atomically as possible. On success, return 0 and leave the + * transaction in "closed" state. On failure, roll back the + * transaction, write an error message to `err`, and return one of the + * `TRANSACTION_*` constants + */ int ref_transaction_commit(struct ref_transaction *transaction, struct strbuf *err); /* + * Abort `transaction`, which has been begun and possibly prepared, + * but not yet committed. + */ +int ref_transaction_abort(struct ref_transaction *transaction, + struct strbuf *err); + +/* * Like ref_transaction_commit(), but optimized for creating * references when originally initializing a repository (e.g., by "git * clone"). It writes the new references directly to packed-refs @@ -536,7 +621,7 @@ int initial_ref_transaction_commit(struct ref_transaction *transaction, struct strbuf *err); /* - * Free an existing transaction and all associated data. + * Free `*transaction` and all associated data. */ void ref_transaction_free(struct ref_transaction *transaction); @@ -602,10 +687,10 @@ enum expire_reflog_flags { * unlocked again. */ typedef void reflog_expiry_prepare_fn(const char *refname, - const unsigned char *sha1, + const struct object_id *oid, void *cb_data); -typedef int reflog_expiry_should_prune_fn(unsigned char *osha1, - unsigned char *nsha1, +typedef int reflog_expiry_should_prune_fn(struct object_id *ooid, + struct object_id *noid, const char *email, timestamp_t timestamp, int tz, const char *message, void *cb_data);
diff --git a/refs/files-backend.c b/refs/files-backend.c index 4925e69..d8b3f73 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c
@@ -43,15 +43,6 @@ struct packed_ref_cache { */ unsigned int referrers; - /* - * Iff the packed-refs file associated with this instance is - * currently locked for writing, this points at the associated - * lock (which is owned by somebody else). The referrer count - * is also incremented when the file is locked and decremented - * when it is unlocked. - */ - struct lock_file *lock; - /* The metadata from when this packed-refs cache was read */ struct stat_validity validity; }; @@ -70,10 +61,13 @@ struct files_ref_store { struct ref_cache *loose; struct packed_ref_cache *packed; -}; -/* Lock used for the main packed-refs file: */ -static struct lock_file packlock; + /* + * Lock used for the "packed-refs" file. Note that this (and + * thus the enclosing `files_ref_store`) must not be freed. + */ + struct lock_file packed_refs_lock; +}; /* * Increment the reference count of *packed_refs. @@ -104,8 +98,8 @@ static void clear_packed_ref_cache(struct files_ref_store *refs) if (refs->packed) { struct packed_ref_cache *packed_refs = refs->packed; - if (packed_refs->lock) - die("internal error: packed-ref cache cleared while locked"); + if (is_lock_file_locked(&refs->packed_refs_lock)) + die("BUG: packed-ref cache cleared while locked"); refs->packed = NULL; release_packed_ref_cache(packed_refs); } @@ -195,27 +189,15 @@ static const char PACKED_REFS_HEADER[] = * Return a pointer to the refname within the line (null-terminated), * or NULL if there was a problem. */ -static const char *parse_ref_line(struct strbuf *line, unsigned char *sha1) +static const char *parse_ref_line(struct strbuf *line, struct object_id *oid) { const char *ref; - /* - * 42: the answer to everything. - * - * In this case, it happens to be the answer to - * 40 (length of sha1 hex representation) - * +1 (space in between hex and name) - * +1 (newline at the end of the line) - */ - if (line->len <= 42) + if (parse_oid_hex(line->buf, oid, &ref) < 0) + return NULL; + if (!isspace(*ref++)) return NULL; - if (get_sha1_hex(line->buf, sha1) < 0) - return NULL; - if (!isspace(line->buf[40])) - return NULL; - - ref = line->buf + 41; if (isspace(*ref)) return NULL; @@ -227,7 +209,9 @@ static const char *parse_ref_line(struct strbuf *line, unsigned char *sha1) } /* - * Read f, which is a packed-refs file, into dir. + * Read from `packed_refs_file` into a newly-allocated + * `packed_ref_cache` and return it. The return value will already + * have its reference count incremented. * * A comment line of the form "# pack-refs with: " may contain zero or * more traits. We interpret the traits as follows: @@ -253,14 +237,38 @@ static const char *parse_ref_line(struct strbuf *line, unsigned char *sha1) * compatibility with older clients, but we do not require it * (i.e., "peeled" is a no-op if "fully-peeled" is set). */ -static void read_packed_refs(FILE *f, struct ref_dir *dir) +static struct packed_ref_cache *read_packed_refs(const char *packed_refs_file) { + FILE *f; + struct packed_ref_cache *packed_refs = xcalloc(1, sizeof(*packed_refs)); struct ref_entry *last = NULL; struct strbuf line = STRBUF_INIT; enum { PEELED_NONE, PEELED_TAGS, PEELED_FULLY } peeled = PEELED_NONE; + struct ref_dir *dir; + acquire_packed_ref_cache(packed_refs); + packed_refs->cache = create_ref_cache(NULL, NULL); + packed_refs->cache->root->flag &= ~REF_INCOMPLETE; + + f = fopen(packed_refs_file, "r"); + if (!f) { + if (errno == ENOENT) { + /* + * This is OK; it just means that no + * "packed-refs" file has been written yet, + * which is equivalent to it being empty. + */ + return packed_refs; + } else { + die_errno("couldn't read %s", packed_refs_file); + } + } + + stat_validity_update(&packed_refs->validity, fileno(f)); + + dir = get_ref_dir(packed_refs->cache->root); while (strbuf_getwholeline(&line, f, '\n') != EOF) { - unsigned char sha1[20]; + struct object_id oid; const char *refname; const char *traits; @@ -273,17 +281,17 @@ static void read_packed_refs(FILE *f, struct ref_dir *dir) continue; } - refname = parse_ref_line(&line, sha1); + refname = parse_ref_line(&line, &oid); if (refname) { int flag = REF_ISPACKED; if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { if (!refname_is_safe(refname)) die("packed refname is dangerous: %s", refname); - hashclr(sha1); + oidclr(&oid); flag |= REF_BAD_NAME | REF_ISBROKEN; } - last = create_ref_entry(refname, sha1, flag, 0); + last = create_ref_entry(refname, &oid, flag); if (peeled == PEELED_FULLY || (peeled == PEELED_TAGS && starts_with(refname, "refs/tags/"))) last->flag |= REF_KNOWS_PEELED; @@ -294,8 +302,8 @@ static void read_packed_refs(FILE *f, struct ref_dir *dir) line.buf[0] == '^' && line.len == PEELED_LINE_LENGTH && line.buf[PEELED_LINE_LENGTH - 1] == '\n' && - !get_sha1_hex(line.buf + 1, sha1)) { - hashcpy(last->u.value.peeled.hash, sha1); + !get_oid_hex(line.buf + 1, &oid)) { + oidcpy(&last->u.value.peeled, &oid); /* * Regardless of what the file header said, * we definitely know the value of *this* @@ -305,7 +313,10 @@ static void read_packed_refs(FILE *f, struct ref_dir *dir) } } + fclose(f); strbuf_release(&line); + + return packed_refs; } static const char *files_packed_refs_path(struct files_ref_store *refs) @@ -360,30 +371,24 @@ static void files_ref_path(struct files_ref_store *refs, /* * Get the packed_ref_cache for the specified files_ref_store, - * creating it if necessary. + * creating and populating it if it hasn't been read before or if the + * file has been changed (according to its `validity` field) since it + * was last read. On the other hand, if we hold the lock, then assume + * that the file hasn't been changed out from under us, so skip the + * extra `stat()` call in `stat_validity_check()`. */ static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store *refs) { const char *packed_refs_file = files_packed_refs_path(refs); if (refs->packed && + !is_lock_file_locked(&refs->packed_refs_lock) && !stat_validity_check(&refs->packed->validity, packed_refs_file)) clear_packed_ref_cache(refs); - if (!refs->packed) { - FILE *f; + if (!refs->packed) + refs->packed = read_packed_refs(packed_refs_file); - refs->packed = xcalloc(1, sizeof(*refs->packed)); - acquire_packed_ref_cache(refs->packed); - refs->packed->cache = create_ref_cache(&refs->base, NULL); - refs->packed->cache->root->flag &= ~REF_INCOMPLETE; - f = fopen(packed_refs_file, "r"); - if (f) { - stat_validity_update(&refs->packed->validity, fileno(f)); - read_packed_refs(f, get_ref_dir(refs->packed->cache->root)); - fclose(f); - } - } return refs->packed; } @@ -404,14 +409,18 @@ static struct ref_dir *get_packed_refs(struct files_ref_store *refs) * commit_packed_refs(). */ static void add_packed_ref(struct files_ref_store *refs, - const char *refname, const unsigned char *sha1) + const char *refname, const struct object_id *oid) { struct packed_ref_cache *packed_ref_cache = get_packed_ref_cache(refs); - if (!packed_ref_cache->lock) - die("internal error: packed refs not locked"); + if (!is_lock_file_locked(&refs->packed_refs_lock)) + die("BUG: packed refs not locked"); + + if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) + die("Reference has invalid format: '%s'", refname); + add_ref_entry(get_packed_ref_dir(packed_ref_cache), - create_ref_entry(refname, sha1, REF_ISPACKED, 1)); + create_ref_entry(refname, oid, REF_ISPACKED)); } /* @@ -444,7 +453,7 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, strbuf_add(&refname, dirname, dirnamelen); while ((de = readdir(d)) != NULL) { - unsigned char sha1[20]; + struct object_id oid; struct stat st; int flag; @@ -465,10 +474,10 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, if (!refs_resolve_ref_unsafe(&refs->base, refname.buf, RESOLVE_REF_READING, - sha1, &flag)) { - hashclr(sha1); + oid.hash, &flag)) { + oidclr(&oid); flag |= REF_ISBROKEN; - } else if (is_null_sha1(sha1)) { + } else if (is_null_oid(&oid)) { /* * It is so astronomically unlikely * that NULL_SHA1 is the SHA-1 of an @@ -484,11 +493,11 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, REFNAME_ALLOW_ONELEVEL)) { if (!refname_is_safe(refname.buf)) die("loose refname is dangerous: %s", refname.buf); - hashclr(sha1); + oidclr(&oid); flag |= REF_BAD_NAME | REF_ISBROKEN; } add_entry_to_dir(dir, - create_ref_entry(refname.buf, sha1, flag, 0)); + create_ref_entry(refname.buf, &oid, flag)); } strbuf_setlen(&refname, dirnamelen); strbuf_setlen(&path, path_baselen); @@ -1069,15 +1078,12 @@ static struct ref_iterator *files_ref_iterator_begin( struct ref_iterator *loose_iter, *packed_iter; struct files_ref_iterator *iter; struct ref_iterator *ref_iterator; + unsigned int required_flags = REF_STORE_READ; - if (ref_paranoia < 0) - ref_paranoia = git_env_bool("GIT_REF_PARANOIA", 0); - if (ref_paranoia) - flags |= DO_FOR_EACH_INCLUDE_BROKEN; + if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) + required_flags |= REF_STORE_ODB; - refs = files_downcast(ref_store, - REF_STORE_READ | (ref_paranoia ? 0 : REF_STORE_ODB), - "ref_iterator_begin"); + refs = files_downcast(ref_store, required_flags, "ref_iterator_begin"); iter = xcalloc(1, sizeof(*iter)); ref_iterator = &iter->base; @@ -1302,17 +1308,17 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags) } if (hold_lock_file_for_update_timeout( - &packlock, files_packed_refs_path(refs), + &refs->packed_refs_lock, files_packed_refs_path(refs), flags, timeout_value) < 0) return -1; /* - * Get the current packed-refs while holding the lock. If the - * packed-refs file has been modified since we last read it, - * this will automatically invalidate the cache and re-read - * the packed-refs file. + * Get the current packed-refs while holding the lock. It is + * important that we call `get_packed_ref_cache()` before + * setting `packed_ref_cache->lock`, because otherwise the + * former will see that the file is locked and assume that the + * cache can't be stale. */ packed_ref_cache = get_packed_ref_cache(refs); - packed_ref_cache->lock = &packlock; /* Increment the reference count to prevent it from being freed: */ acquire_packed_ref_cache(packed_ref_cache); return 0; @@ -1335,10 +1341,10 @@ static int commit_packed_refs(struct files_ref_store *refs) files_assert_main_repository(refs, "commit_packed_refs"); - if (!packed_ref_cache->lock) - die("internal error: packed-refs not locked"); + if (!is_lock_file_locked(&refs->packed_refs_lock)) + die("BUG: packed-refs not locked"); - out = fdopen_lock_file(packed_ref_cache->lock, "w"); + out = fdopen_lock_file(&refs->packed_refs_lock, "w"); if (!out) die_errno("unable to fdopen packed-refs descriptor"); @@ -1356,11 +1362,10 @@ static int commit_packed_refs(struct files_ref_store *refs) if (ok != ITER_DONE) die("error while iterating over references"); - if (commit_lock_file(packed_ref_cache->lock)) { + if (commit_lock_file(&refs->packed_refs_lock)) { save_errno = errno; error = -1; } - packed_ref_cache->lock = NULL; release_packed_ref_cache(packed_ref_cache); errno = save_errno; return error; @@ -1378,10 +1383,9 @@ static void rollback_packed_refs(struct files_ref_store *refs) files_assert_main_repository(refs, "rollback_packed_refs"); - if (!packed_ref_cache->lock) - die("internal error: packed-refs not locked"); - rollback_lock_file(packed_ref_cache->lock); - packed_ref_cache->lock = NULL; + if (!is_lock_file_locked(&refs->packed_refs_lock)) + die("BUG: packed-refs not locked"); + rollback_lock_file(&refs->packed_refs_lock); release_packed_ref_cache(packed_ref_cache); clear_packed_ref_cache(refs); } @@ -1476,6 +1480,32 @@ static void prune_refs(struct files_ref_store *refs, struct ref_to_prune *r) } } +/* + * Return true if the specified reference should be packed. + */ +static int should_pack_ref(const char *refname, + const struct object_id *oid, unsigned int ref_flags, + unsigned int pack_flags) +{ + /* Do not pack per-worktree refs: */ + if (ref_type(refname) != REF_TYPE_NORMAL) + return 0; + + /* Do not pack non-tags unless PACK_REFS_ALL is set: */ + if (!(pack_flags & PACK_REFS_ALL) && !starts_with(refname, "refs/tags/")) + return 0; + + /* Do not pack symbolic refs: */ + if (ref_flags & REF_ISSYMREF) + return 0; + + /* Do not pack broken refs: */ + if (!ref_resolves_to_object(refname, oid, ref_flags)) + return 0; + + return 1; +} + static int files_pack_refs(struct ref_store *ref_store, unsigned int flags) { struct files_ref_store *refs = @@ -1497,21 +1527,9 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags) * pruned, also add it to refs_to_prune. */ struct ref_entry *packed_entry; - int is_tag_ref = starts_with(iter->refname, "refs/tags/"); - /* Do not pack per-worktree refs: */ - if (ref_type(iter->refname) != REF_TYPE_NORMAL) - continue; - - /* ALWAYS pack tags */ - if (!(flags & PACK_REFS_ALL) && !is_tag_ref) - continue; - - /* Do not pack symbolic or broken refs: */ - if (iter->flags & REF_ISSYMREF) - continue; - - if (!ref_resolves_to_object(iter->refname, iter->oid, iter->flags)) + if (!should_pack_ref(iter->refname, iter->oid, iter->flags, + flags)) continue; /* @@ -1526,8 +1544,8 @@ static int files_pack_refs(struct ref_store *ref_store, unsigned int flags) packed_entry->flag = REF_ISPACKED; oidcpy(&packed_entry->u.value.oid, iter->oid); } else { - packed_entry = create_ref_entry(iter->refname, iter->oid->hash, - REF_ISPACKED, 0); + packed_entry = create_ref_entry(iter->refname, iter->oid, + REF_ISPACKED); add_ref_entry(packed_refs, packed_entry); } oidclr(&packed_entry->u.value.peeled); @@ -1607,7 +1625,7 @@ static int repack_without_refs(struct files_ref_store *refs, return ret; } -static int files_delete_refs(struct ref_store *ref_store, +static int files_delete_refs(struct ref_store *ref_store, const char *msg, struct string_list *refnames, unsigned int flags) { struct files_ref_store *refs = @@ -1639,7 +1657,7 @@ static int files_delete_refs(struct ref_store *ref_store, for (i = 0; i < refnames->nr; i++) { const char *refname = refnames->items[i].string; - if (refs_delete_ref(&refs->base, NULL, refname, NULL, flags)) + if (refs_delete_ref(&refs->base, msg, refname, NULL, flags)) result |= error(_("could not remove reference %s"), refname); } @@ -1709,10 +1727,10 @@ static int rename_tmp_log(struct files_ref_store *refs, const char *newrefname) } static int write_ref_to_lockfile(struct ref_lock *lock, - const unsigned char *sha1, struct strbuf *err); + const struct object_id *oid, struct strbuf *err); static int commit_ref_update(struct files_ref_store *refs, struct ref_lock *lock, - const unsigned char *sha1, const char *logmsg, + const struct object_id *oid, const char *logmsg, struct strbuf *err); static int files_rename_ref(struct ref_store *ref_store, @@ -1721,7 +1739,7 @@ static int files_rename_ref(struct ref_store *ref_store, { struct files_ref_store *refs = files_downcast(ref_store, REF_STORE_WRITE, "rename_ref"); - unsigned char sha1[20], orig_sha1[20]; + struct object_id oid, orig_oid; int flag = 0, logmoved = 0; struct ref_lock *lock; struct stat loginfo; @@ -1743,7 +1761,7 @@ static int files_rename_ref(struct ref_store *ref_store, if (!refs_resolve_ref_unsafe(&refs->base, oldrefname, RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE, - orig_sha1, &flag)) { + orig_oid.hash, &flag)) { ret = error("refname %s not found", oldrefname); goto out; } @@ -1765,21 +1783,21 @@ static int files_rename_ref(struct ref_store *ref_store, } if (refs_delete_ref(&refs->base, logmsg, oldrefname, - orig_sha1, REF_NODEREF)) { + orig_oid.hash, REF_NODEREF)) { error("unable to delete old %s", oldrefname); goto rollback; } /* - * Since we are doing a shallow lookup, sha1 is not the - * correct value to pass to delete_ref as old_sha1. But that - * doesn't matter, because an old_sha1 check wouldn't add to + * Since we are doing a shallow lookup, oid is not the + * correct value to pass to delete_ref as old_oid. But that + * doesn't matter, because an old_oid check wouldn't add to * the safety anyway; we want to delete the reference whatever * its current value. */ if (!refs_read_ref_full(&refs->base, newrefname, RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE, - sha1, NULL) && + oid.hash, NULL) && refs_delete_ref(&refs->base, NULL, newrefname, NULL, REF_NODEREF)) { if (errno == EISDIR) { @@ -1812,10 +1830,10 @@ static int files_rename_ref(struct ref_store *ref_store, strbuf_release(&err); goto rollback; } - hashcpy(lock->old_oid.hash, orig_sha1); + oidcpy(&lock->old_oid, &orig_oid); - if (write_ref_to_lockfile(lock, orig_sha1, &err) || - commit_ref_update(refs, lock, orig_sha1, logmsg, &err)) { + if (write_ref_to_lockfile(lock, &orig_oid, &err) || + commit_ref_update(refs, lock, &orig_oid, logmsg, &err)) { error("unable to write current sha1 into %s: %s", newrefname, err.buf); strbuf_release(&err); goto rollback; @@ -1835,8 +1853,8 @@ static int files_rename_ref(struct ref_store *ref_store, flag = log_all_ref_updates; log_all_ref_updates = LOG_REFS_NONE; - if (write_ref_to_lockfile(lock, orig_sha1, &err) || - commit_ref_update(refs, lock, orig_sha1, NULL, &err)) { + if (write_ref_to_lockfile(lock, &orig_oid, &err) || + commit_ref_update(refs, lock, &orig_oid, NULL, &err)) { error("unable to write current sha1 into %s: %s", oldrefname, err.buf); strbuf_release(&err); } @@ -1986,8 +2004,8 @@ static int files_create_reflog(struct ref_store *ref_store, return 0; } -static int log_ref_write_fd(int fd, const unsigned char *old_sha1, - const unsigned char *new_sha1, +static int log_ref_write_fd(int fd, const struct object_id *old_oid, + const struct object_id *new_oid, const char *committer, const char *msg) { int msglen, written; @@ -1998,8 +2016,8 @@ static int log_ref_write_fd(int fd, const unsigned char *old_sha1, maxlen = strlen(committer) + msglen + 100; logrec = xmalloc(maxlen); len = xsnprintf(logrec, maxlen, "%s %s %s\n", - sha1_to_hex(old_sha1), - sha1_to_hex(new_sha1), + oid_to_hex(old_oid), + oid_to_hex(new_oid), committer); if (msglen) len += copy_reflog_msg(logrec + len - 1, msg) - 1; @@ -2013,8 +2031,8 @@ static int log_ref_write_fd(int fd, const unsigned char *old_sha1, } static int files_log_ref_write(struct files_ref_store *refs, - const char *refname, const unsigned char *old_sha1, - const unsigned char *new_sha1, const char *msg, + const char *refname, const struct object_id *old_oid, + const struct object_id *new_oid, const char *msg, int flags, struct strbuf *err) { int logfd, result; @@ -2031,7 +2049,7 @@ static int files_log_ref_write(struct files_ref_store *refs, if (logfd < 0) return 0; - result = log_ref_write_fd(logfd, old_sha1, new_sha1, + result = log_ref_write_fd(logfd, old_oid, new_oid, git_committer_info(0), msg); if (result) { struct strbuf sb = STRBUF_INIT; @@ -2063,29 +2081,29 @@ static int files_log_ref_write(struct files_ref_store *refs, * return -1. */ static int write_ref_to_lockfile(struct ref_lock *lock, - const unsigned char *sha1, struct strbuf *err) + const struct object_id *oid, struct strbuf *err) { static char term = '\n'; struct object *o; int fd; - o = parse_object(sha1); + o = parse_object(oid); if (!o) { strbuf_addf(err, "trying to write ref '%s' with nonexistent object %s", - lock->ref_name, sha1_to_hex(sha1)); + lock->ref_name, oid_to_hex(oid)); unlock_ref(lock); return -1; } if (o->type != OBJ_COMMIT && is_branch(lock->ref_name)) { strbuf_addf(err, "trying to write non-commit object %s to branch '%s'", - sha1_to_hex(sha1), lock->ref_name); + oid_to_hex(oid), lock->ref_name); unlock_ref(lock); return -1; } fd = get_lock_file_fd(lock->lk); - if (write_in_full(fd, sha1_to_hex(sha1), 40) != 40 || + if (write_in_full(fd, oid_to_hex(oid), GIT_SHA1_HEXSZ) != GIT_SHA1_HEXSZ || write_in_full(fd, &term, 1) != 1 || close_ref(lock) < 0) { strbuf_addf(err, @@ -2103,14 +2121,14 @@ static int write_ref_to_lockfile(struct ref_lock *lock, */ static int commit_ref_update(struct files_ref_store *refs, struct ref_lock *lock, - const unsigned char *sha1, const char *logmsg, + const struct object_id *oid, const char *logmsg, struct strbuf *err) { files_assert_main_repository(refs, "commit_ref_update"); clear_loose_ref_cache(refs); if (files_log_ref_write(refs, lock->ref_name, - lock->old_oid.hash, sha1, + &lock->old_oid, oid, logmsg, 0, err)) { char *old_msg = strbuf_detach(err, NULL); strbuf_addf(err, "cannot update the ref '%s': %s", @@ -2133,18 +2151,18 @@ static int commit_ref_update(struct files_ref_store *refs, * check with HEAD only which should cover 99% of all usage * scenarios (even 100% of the default ones). */ - unsigned char head_sha1[20]; + struct object_id head_oid; int head_flag; const char *head_ref; head_ref = refs_resolve_ref_unsafe(&refs->base, "HEAD", RESOLVE_REF_READING, - head_sha1, &head_flag); + head_oid.hash, &head_flag); if (head_ref && (head_flag & REF_ISSYMREF) && !strcmp(head_ref, lock->ref_name)) { struct strbuf log_err = STRBUF_INIT; if (files_log_ref_write(refs, "HEAD", - lock->old_oid.hash, sha1, + &lock->old_oid, oid, logmsg, 0, &log_err)) { error("%s", log_err.buf); strbuf_release(&log_err); @@ -2182,12 +2200,12 @@ static void update_symref_reflog(struct files_ref_store *refs, const char *target, const char *logmsg) { struct strbuf err = STRBUF_INIT; - unsigned char new_sha1[20]; + struct object_id new_oid; if (logmsg && !refs_read_ref_full(&refs->base, target, - RESOLVE_REF_READING, new_sha1, NULL) && - files_log_ref_write(refs, refname, lock->old_oid.hash, - new_sha1, logmsg, 0, &err)) { + RESOLVE_REF_READING, new_oid.hash, NULL) && + files_log_ref_write(refs, refname, &lock->old_oid, + &new_oid, logmsg, 0, &err)) { error("%s", err.buf); strbuf_release(&err); } @@ -2533,23 +2551,6 @@ static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_st return ref_iterator; } -static int ref_update_reject_duplicates(struct string_list *refnames, - struct strbuf *err) -{ - int i, n = refnames->nr; - - assert(err); - - for (i = 1; i < n; i++) - if (!strcmp(refnames->items[i - 1].string, refnames->items[i].string)) { - strbuf_addf(err, - "multiple updates for ref '%s' not allowed.", - refnames->items[i].string); - return 1; - } - return 0; -} - /* * If update is a direct update of head_ref (the reference pointed to * by HEAD), then add an extra REF_LOG_ONLY update for HEAD. @@ -2589,7 +2590,7 @@ static int split_head_update(struct ref_update *update, new_update = ref_transaction_add_update( transaction, "HEAD", update->flags | REF_LOG_ONLY | REF_NODEREF, - update->new_sha1, update->old_sha1, + update->new_oid.hash, update->old_oid.hash, update->msg); item->util = new_update; @@ -2646,7 +2647,7 @@ static int split_symref_update(struct files_ref_store *refs, new_update = ref_transaction_add_update( transaction, referent, new_flags, - update->new_sha1, update->old_sha1, + update->new_oid.hash, update->old_oid.hash, update->msg); new_update->parent_update = update; @@ -2685,10 +2686,10 @@ static int check_old_oid(struct ref_update *update, struct object_id *oid, struct strbuf *err) { if (!(update->flags & REF_HAVE_OLD) || - !hashcmp(oid->hash, update->old_sha1)) + !oidcmp(oid, &update->old_oid)) return 0; - if (is_null_sha1(update->old_sha1)) + if (is_null_oid(&update->old_oid)) strbuf_addf(err, "cannot lock ref '%s': " "reference already exists", original_update_refname(update)); @@ -2696,13 +2697,13 @@ static int check_old_oid(struct ref_update *update, struct object_id *oid, strbuf_addf(err, "cannot lock ref '%s': " "reference is missing but expected %s", original_update_refname(update), - sha1_to_hex(update->old_sha1)); + oid_to_hex(&update->old_oid)); else strbuf_addf(err, "cannot lock ref '%s': " "is at %s but expected %s", original_update_refname(update), oid_to_hex(oid), - sha1_to_hex(update->old_sha1)); + oid_to_hex(&update->old_oid)); return -1; } @@ -2729,13 +2730,13 @@ static int lock_ref_for_update(struct files_ref_store *refs, { struct strbuf referent = STRBUF_INIT; int mustexist = (update->flags & REF_HAVE_OLD) && - !is_null_sha1(update->old_sha1); + !is_null_oid(&update->old_oid); int ret; struct ref_lock *lock; files_assert_main_repository(refs, "lock_ref_for_update"); - if ((update->flags & REF_HAVE_NEW) && is_null_sha1(update->new_sha1)) + if ((update->flags & REF_HAVE_NEW) && is_null_oid(&update->new_oid)) update->flags |= REF_DELETING; if (head_ref) { @@ -2817,12 +2818,12 @@ static int lock_ref_for_update(struct files_ref_store *refs, !(update->flags & REF_DELETING) && !(update->flags & REF_LOG_ONLY)) { if (!(update->type & REF_ISSYMREF) && - !hashcmp(lock->old_oid.hash, update->new_sha1)) { + !oidcmp(&lock->old_oid, &update->new_oid)) { /* * The reference already has the desired * value, so we don't need to write it. */ - } else if (write_ref_to_lockfile(lock, update->new_sha1, + } else if (write_ref_to_lockfile(lock, &update->new_oid, err)) { char *write_err = strbuf_detach(err, NULL); @@ -2855,31 +2856,45 @@ static int lock_ref_for_update(struct files_ref_store *refs, return 0; } -static int files_transaction_commit(struct ref_store *ref_store, - struct ref_transaction *transaction, - struct strbuf *err) +/* + * Unlock any references in `transaction` that are still locked, and + * mark the transaction closed. + */ +static void files_transaction_cleanup(struct ref_transaction *transaction) +{ + size_t i; + + for (i = 0; i < transaction->nr; i++) { + struct ref_update *update = transaction->updates[i]; + struct ref_lock *lock = update->backend_data; + + if (lock) { + unlock_ref(lock); + update->backend_data = NULL; + } + } + + transaction->state = REF_TRANSACTION_CLOSED; +} + +static int files_transaction_prepare(struct ref_store *ref_store, + struct ref_transaction *transaction, + struct strbuf *err) { struct files_ref_store *refs = files_downcast(ref_store, REF_STORE_WRITE, - "ref_transaction_commit"); - int ret = 0, i; - struct string_list refs_to_delete = STRING_LIST_INIT_NODUP; - struct string_list_item *ref_to_delete; + "ref_transaction_prepare"); + size_t i; + int ret = 0; struct string_list affected_refnames = STRING_LIST_INIT_NODUP; char *head_ref = NULL; int head_type; struct object_id head_oid; - struct strbuf sb = STRBUF_INIT; assert(err); - if (transaction->state != REF_TRANSACTION_OPEN) - die("BUG: commit called for transaction that is not open"); - - if (!transaction->nr) { - transaction->state = REF_TRANSACTION_CLOSED; - return 0; - } + if (!transaction->nr) + goto cleanup; /* * Fail if a refname appears more than once in the @@ -2938,6 +2953,8 @@ static int files_transaction_commit(struct ref_store *ref_store, * that new values are valid, and write new values to the * lockfiles, ready to be activated. Only keep one lockfile * open at a time to avoid running out of file descriptors. + * Note that lock_ref_for_update() might append more updates + * to the transaction. */ for (i = 0; i < transaction->nr; i++) { struct ref_update *update = transaction->updates[i]; @@ -2945,7 +2962,38 @@ static int files_transaction_commit(struct ref_store *ref_store, ret = lock_ref_for_update(refs, update, transaction, head_ref, &affected_refnames, err); if (ret) - goto cleanup; + break; + } + +cleanup: + free(head_ref); + string_list_clear(&affected_refnames, 0); + + if (ret) + files_transaction_cleanup(transaction); + else + transaction->state = REF_TRANSACTION_PREPARED; + + return ret; +} + +static int files_transaction_finish(struct ref_store *ref_store, + struct ref_transaction *transaction, + struct strbuf *err) +{ + struct files_ref_store *refs = + files_downcast(ref_store, 0, "ref_transaction_finish"); + size_t i; + int ret = 0; + struct string_list refs_to_delete = STRING_LIST_INIT_NODUP; + struct string_list_item *ref_to_delete; + struct strbuf sb = STRBUF_INIT; + + assert(err); + + if (!transaction->nr) { + transaction->state = REF_TRANSACTION_CLOSED; + return 0; } /* Perform updates first so live commits remain referenced */ @@ -2957,8 +3005,8 @@ static int files_transaction_commit(struct ref_store *ref_store, update->flags & REF_LOG_ONLY) { if (files_log_ref_write(refs, lock->ref_name, - lock->old_oid.hash, - update->new_sha1, + &lock->old_oid, + &update->new_oid, update->msg, update->flags, err)) { char *old_msg = strbuf_detach(err, NULL); @@ -3025,15 +3073,10 @@ static int files_transaction_commit(struct ref_store *ref_store, clear_loose_ref_cache(refs); cleanup: - strbuf_release(&sb); - transaction->state = REF_TRANSACTION_CLOSED; + files_transaction_cleanup(transaction); for (i = 0; i < transaction->nr; i++) { struct ref_update *update = transaction->updates[i]; - struct ref_lock *lock = update->backend_data; - - if (lock) - unlock_ref(lock); if (update->flags & REF_DELETED_LOOSE) { /* @@ -3047,13 +3090,19 @@ static int files_transaction_commit(struct ref_store *ref_store, } } + strbuf_release(&sb); string_list_clear(&refs_to_delete, 0); - free(head_ref); - string_list_clear(&affected_refnames, 0); - return ret; } +static int files_transaction_abort(struct ref_store *ref_store, + struct ref_transaction *transaction, + struct strbuf *err) +{ + files_transaction_cleanup(transaction); + return 0; +} + static int ref_present(const char *refname, const struct object_id *oid, int flags, void *cb_data) { @@ -3069,7 +3118,8 @@ static int files_initial_transaction_commit(struct ref_store *ref_store, struct files_ref_store *refs = files_downcast(ref_store, REF_STORE_WRITE, "initial_ref_transaction_commit"); - int ret = 0, i; + size_t i; + int ret = 0; struct string_list affected_refnames = STRING_LIST_INIT_NODUP; assert(err); @@ -3107,7 +3157,7 @@ static int files_initial_transaction_commit(struct ref_store *ref_store, struct ref_update *update = transaction->updates[i]; if ((update->flags & REF_HAVE_OLD) && - !is_null_sha1(update->old_sha1)) + !is_null_oid(&update->old_oid)) die("BUG: initial ref transaction with old_sha1 set"); if (refs_verify_refname_available(&refs->base, update->refname, &affected_refnames, NULL, @@ -3128,8 +3178,9 @@ static int files_initial_transaction_commit(struct ref_store *ref_store, struct ref_update *update = transaction->updates[i]; if ((update->flags & REF_HAVE_NEW) && - !is_null_sha1(update->new_sha1)) - add_packed_ref(refs, update->refname, update->new_sha1); + !is_null_oid(&update->new_oid)) + add_packed_ref(refs, update->refname, + &update->new_oid); } if (commit_packed_refs(refs)) { @@ -3163,7 +3214,7 @@ static int expire_reflog_ent(struct object_id *ooid, struct object_id *noid, if (cb->flags & EXPIRE_REFLOGS_REWRITE) ooid = &cb->last_kept_oid; - if ((*cb->should_prune_fn)(ooid->hash, noid->hash, email, timestamp, tz, + if ((*cb->should_prune_fn)(ooid, noid, email, timestamp, tz, message, policy_cb)) { if (!cb->newlog) printf("would prune %s", message); @@ -3200,6 +3251,7 @@ static int files_reflog_expire(struct ref_store *ref_store, int status = 0; int type; struct strbuf err = STRBUF_INIT; + struct object_id oid; memset(&cb, 0, sizeof(cb)); cb.flags = flags; @@ -3249,7 +3301,9 @@ static int files_reflog_expire(struct ref_store *ref_store, } } - (*prepare_fn)(refname, sha1, cb.policy_cb); + hashcpy(oid.hash, sha1); + + (*prepare_fn)(refname, &oid, cb.policy_cb); refs_for_each_reflog_ent(ref_store, refname, expire_reflog_ent, &cb); (*cleanup_fn)(cb.policy_cb); @@ -3319,7 +3373,9 @@ struct ref_storage_be refs_be_files = { "files", files_ref_store_create, files_init_db, - files_transaction_commit, + files_transaction_prepare, + files_transaction_finish, + files_transaction_abort, files_initial_transaction_commit, files_pack_refs,
diff --git a/refs/iterator.c b/refs/iterator.c index bce1f19..4cf449e 100644 --- a/refs/iterator.c +++ b/refs/iterator.c
@@ -292,7 +292,23 @@ static int prefix_ref_iterator_advance(struct ref_iterator *ref_iterator) if (!starts_with(iter->iter0->refname, iter->prefix)) continue; - iter->base.refname = iter->iter0->refname + iter->trim; + if (iter->trim) { + /* + * It is nonsense to trim off characters that + * you haven't already checked for via a + * prefix check, whether via this + * `prefix_ref_iterator` or upstream in + * `iter0`). So if there wouldn't be at least + * one character left in the refname after + * trimming, report it as a bug: + */ + if (strlen(iter->iter0->refname) <= iter->trim) + die("BUG: attempt to trim too many characters"); + iter->base.refname = iter->iter0->refname + iter->trim; + } else { + iter->base.refname = iter->iter0->refname; + } + iter->base.oid = iter->iter0->oid; iter->base.flags = iter->iter0->flags; return ITER_OK;
diff --git a/refs/ref-cache.c b/refs/ref-cache.c index 6059362..af2fcb2 100644 --- a/refs/ref-cache.c +++ b/refs/ref-cache.c
@@ -32,16 +32,12 @@ struct ref_dir *get_ref_dir(struct ref_entry *entry) } struct ref_entry *create_ref_entry(const char *refname, - const unsigned char *sha1, int flag, - int check_name) + const struct object_id *oid, int flag) { struct ref_entry *ref; - if (check_name && - check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) - die("Reference has invalid format: '%s'", refname); FLEX_ALLOC_STR(ref, name, refname); - hashcpy(ref->u.value.oid.hash, sha1); + oidcpy(&ref->u.value.oid, oid); oidclr(&ref->u.value.peeled); ref->flag = flag; return ref; @@ -316,11 +312,42 @@ static void sort_ref_dir(struct ref_dir *dir) dir->sorted = dir->nr = i; } +enum prefix_state { + /* All refs within the directory would match prefix: */ + PREFIX_CONTAINS_DIR, + + /* Some, but not all, refs within the directory might match prefix: */ + PREFIX_WITHIN_DIR, + + /* No refs within the directory could possibly match prefix: */ + PREFIX_EXCLUDES_DIR +}; + /* - * Load all of the refs from `dir` (recursively) into our in-memory - * cache. + * Return a `prefix_state` constant describing the relationship + * between the directory with the specified `dirname` and `prefix`. */ -static void prime_ref_dir(struct ref_dir *dir) +static enum prefix_state overlaps_prefix(const char *dirname, + const char *prefix) +{ + while (*prefix && *dirname == *prefix) { + dirname++; + prefix++; + } + if (!*prefix) + return PREFIX_CONTAINS_DIR; + else if (!*dirname) + return PREFIX_WITHIN_DIR; + else + return PREFIX_EXCLUDES_DIR; +} + +/* + * Load all of the refs from `dir` (recursively) that could possibly + * contain references matching `prefix` into our in-memory cache. If + * `prefix` is NULL, prime unconditionally. + */ +static void prime_ref_dir(struct ref_dir *dir, const char *prefix) { /* * The hard work of loading loose refs is done by get_ref_dir(), so we @@ -331,8 +358,29 @@ static void prime_ref_dir(struct ref_dir *dir) int i; for (i = 0; i < dir->nr; i++) { struct ref_entry *entry = dir->entries[i]; - if (entry->flag & REF_DIR) - prime_ref_dir(get_ref_dir(entry)); + if (!(entry->flag & REF_DIR)) { + /* Not a directory; no need to recurse. */ + } else if (!prefix) { + /* Recurse in any case: */ + prime_ref_dir(get_ref_dir(entry), NULL); + } else { + switch (overlaps_prefix(entry->name, prefix)) { + case PREFIX_CONTAINS_DIR: + /* + * Recurse, and from here down we + * don't have to check the prefix + * anymore: + */ + prime_ref_dir(get_ref_dir(entry), NULL); + break; + case PREFIX_WITHIN_DIR: + prime_ref_dir(get_ref_dir(entry), prefix); + break; + case PREFIX_EXCLUDES_DIR: + /* No need to prime this directory. */ + break; + } + } } } @@ -347,6 +395,8 @@ struct cache_ref_iterator_level { */ struct ref_dir *dir; + enum prefix_state prefix_state; + /* * The index of the current entry within dir (which might * itself be a directory). If index == -1, then the iteration @@ -374,6 +424,13 @@ struct cache_ref_iterator { size_t levels_alloc; /* + * Only include references with this prefix in the iteration. + * The prefix is matched textually, without regard for path + * component boundaries. + */ + const char *prefix; + + /* * A stack of levels. levels[0] is the uppermost level that is * being iterated over in this iteration. (This is not * necessary the top level in the references hierarchy. If we @@ -394,6 +451,7 @@ static int cache_ref_iterator_advance(struct ref_iterator *ref_iterator) &iter->levels[iter->levels_nr - 1]; struct ref_dir *dir = level->dir; struct ref_entry *entry; + enum prefix_state entry_prefix_state; if (level->index == -1) sort_ref_dir(dir); @@ -408,6 +466,14 @@ static int cache_ref_iterator_advance(struct ref_iterator *ref_iterator) entry = dir->entries[level->index]; + if (level->prefix_state == PREFIX_WITHIN_DIR) { + entry_prefix_state = overlaps_prefix(entry->name, iter->prefix); + if (entry_prefix_state == PREFIX_EXCLUDES_DIR) + continue; + } else { + entry_prefix_state = level->prefix_state; + } + if (entry->flag & REF_DIR) { /* push down a level */ ALLOC_GROW(iter->levels, iter->levels_nr + 1, @@ -415,6 +481,7 @@ static int cache_ref_iterator_advance(struct ref_iterator *ref_iterator) level = &iter->levels[iter->levels_nr++]; level->dir = get_ref_dir(entry); + level->prefix_state = entry_prefix_state; level->index = -1; } else { iter->base.refname = entry->name; @@ -475,6 +542,7 @@ static int cache_ref_iterator_abort(struct ref_iterator *ref_iterator) struct cache_ref_iterator *iter = (struct cache_ref_iterator *)ref_iterator; + free((char *)iter->prefix); free(iter->levels); base_ref_iterator_free(ref_iterator); return ITER_DONE; @@ -500,10 +568,10 @@ struct ref_iterator *cache_ref_iterator_begin(struct ref_cache *cache, dir = find_containing_dir(dir, prefix, 0); if (!dir) /* There's nothing to iterate over. */ - return empty_ref_iterator_begin(); + return empty_ref_iterator_begin(); if (prime_dir) - prime_ref_dir(dir); + prime_ref_dir(dir, prefix); iter = xcalloc(1, sizeof(*iter)); ref_iterator = &iter->base; @@ -515,9 +583,12 @@ struct ref_iterator *cache_ref_iterator_begin(struct ref_cache *cache, level->index = -1; level->dir = dir; - if (prefix && *prefix) - ref_iterator = prefix_ref_iterator_begin(ref_iterator, - prefix, 0); + if (prefix && *prefix) { + iter->prefix = xstrdup(prefix); + level->prefix_state = PREFIX_WITHIN_DIR; + } else { + level->prefix_state = PREFIX_CONTAINS_DIR; + } return ref_iterator; }
diff --git a/refs/ref-cache.h b/refs/ref-cache.h index ffdc54f..794f000 100644 --- a/refs/ref-cache.h +++ b/refs/ref-cache.h
@@ -185,8 +185,7 @@ struct ref_entry *create_dir_entry(struct ref_cache *cache, int incomplete); struct ref_entry *create_ref_entry(const char *refname, - const unsigned char *sha1, int flag, - int check_name); + const struct object_id *oid, int flag); /* * Return a pointer to a new `ref_cache`. Its top-level starts out @@ -194,7 +193,8 @@ struct ref_entry *create_ref_entry(const char *refname, * function called to fill in incomplete directories in the * `ref_cache` when they are accessed. If it is NULL, then the whole * `ref_cache` must be filled (including clearing its directories' - * `REF_INCOMPLETE` bits) before it is used. + * `REF_INCOMPLETE` bits) before it is used, and `refs` can be NULL, + * too. */ struct ref_cache *create_ref_cache(struct ref_store *refs, fill_ref_dir_fn *fill_ref_dir);
diff --git a/refs/refs-internal.h b/refs/refs-internal.h index 12cf4e4..192f9f8 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h
@@ -130,13 +130,13 @@ struct ref_update { /* * If (flags & REF_HAVE_NEW), set the reference to this value: */ - unsigned char new_sha1[20]; + struct object_id new_oid; /* * If (flags & REF_HAVE_OLD), check that the reference * previously had this value: */ - unsigned char old_sha1[20]; + struct object_id old_oid; /* * One or more of REF_HAVE_NEW, REF_HAVE_OLD, REF_NODEREF, @@ -170,6 +170,14 @@ int refs_read_raw_ref(struct ref_store *ref_store, struct strbuf *referent, unsigned int *type); /* + * Write an error to `err` and return a nonzero value iff the same + * refname appears multiple times in `refnames`. `refnames` must be + * sorted on entry to this function. + */ +int ref_update_reject_duplicates(struct string_list *refnames, + struct strbuf *err); + +/* * Add a ref_update with the specified properties to transaction, and * return a pointer to the new object. This function does not verify * that refname is well-formed. new_sha1 and old_sha1 are only @@ -185,17 +193,27 @@ struct ref_update *ref_transaction_add_update( /* * Transaction states. - * OPEN: The transaction is in a valid state and can accept new updates. - * An OPEN transaction can be committed. - * CLOSED: A closed transaction is no longer active and no other operations - * than free can be used on it in this state. - * A transaction can either become closed by successfully committing - * an active transaction or if there is a failure while building - * the transaction thus rendering it failed/inactive. + * + * OPEN: The transaction is initialized and new updates can still be + * added to it. An OPEN transaction can be prepared, + * committed, freed, or aborted (freeing and aborting an open + * transaction are equivalent). + * + * PREPARED: ref_transaction_prepare(), which locks all of the + * references involved in the update and checks that the + * update has no errors, has been called successfully for the + * transaction. A PREPARED transaction can be committed or + * aborted. + * + * CLOSED: The transaction is no longer active. A transaction becomes + * CLOSED if there is a failure while building the transaction + * or if a transaction is committed or aborted. A CLOSED + * transaction can only be freed. */ enum ref_transaction_state { - REF_TRANSACTION_OPEN = 0, - REF_TRANSACTION_CLOSED = 1 + REF_TRANSACTION_OPEN = 0, + REF_TRANSACTION_PREPARED = 1, + REF_TRANSACTION_CLOSED = 2 }; /* @@ -497,6 +515,18 @@ typedef struct ref_store *ref_store_init_fn(const char *gitdir, typedef int ref_init_db_fn(struct ref_store *refs, struct strbuf *err); +typedef int ref_transaction_prepare_fn(struct ref_store *refs, + struct ref_transaction *transaction, + struct strbuf *err); + +typedef int ref_transaction_finish_fn(struct ref_store *refs, + struct ref_transaction *transaction, + struct strbuf *err); + +typedef int ref_transaction_abort_fn(struct ref_store *refs, + struct ref_transaction *transaction, + struct strbuf *err); + typedef int ref_transaction_commit_fn(struct ref_store *refs, struct ref_transaction *transaction, struct strbuf *err); @@ -508,16 +538,17 @@ typedef int create_symref_fn(struct ref_store *ref_store, const char *ref_target, const char *refs_heads_master, const char *logmsg); -typedef int delete_refs_fn(struct ref_store *ref_store, +typedef int delete_refs_fn(struct ref_store *ref_store, const char *msg, struct string_list *refnames, unsigned int flags); typedef int rename_ref_fn(struct ref_store *ref_store, const char *oldref, const char *newref, const char *logmsg); /* - * Iterate over the references in the specified ref_store that are - * within find_containing_dir(prefix). If prefix is NULL or the empty - * string, iterate over all references in the submodule. + * Iterate over the references in `ref_store` whose names start with + * `prefix`. `prefix` is matched as a literal string, without regard + * for path separators. If prefix is NULL or the empty string, iterate + * over all references in `ref_store`. */ typedef struct ref_iterator *ref_iterator_begin_fn( struct ref_store *ref_store, @@ -599,7 +630,10 @@ struct ref_storage_be { const char *name; ref_store_init_fn *init; ref_init_db_fn *init_db; - ref_transaction_commit_fn *transaction_commit; + + ref_transaction_prepare_fn *transaction_prepare; + ref_transaction_finish_fn *transaction_finish; + ref_transaction_abort_fn *transaction_abort; ref_transaction_commit_fn *initial_transaction_commit; pack_refs_fn *pack_refs;
diff --git a/remote.c b/remote.c index 801137c..3649d60 100644 --- a/remote.c +++ b/remote.c
@@ -477,26 +477,6 @@ static void read_config(void) alias_all_urls(); } -/* - * This function frees a refspec array. - * Warning: code paths should be checked to ensure that the src - * and dst pointers are always freeable pointers as well - * as the refspec pointer itself. - */ -static void free_refspecs(struct refspec *refspec, int nr_refspec) -{ - int i; - - if (!refspec) - return; - - for (i = 0; i < nr_refspec; i++) { - free(refspec[i].src); - free(refspec[i].dst); - } - free(refspec); -} - static struct refspec *parse_refspec_internal(int nr_refspec, const char **refspec, int fetch, int verify) { int i; @@ -610,7 +590,7 @@ static struct refspec *parse_refspec_internal(int nr_refspec, const char **refsp * since it is only possible to reach this point from within * the for loop above. */ - free_refspecs(rs, i+1); + free_refspec(i+1, rs); return NULL; } die("Invalid refspec '%s'", refspec[i]); @@ -621,7 +601,7 @@ int valid_fetch_refspec(const char *fetch_refspec_str) struct refspec *refspec; refspec = parse_refspec_internal(1, &fetch_refspec_str, 1, 1); - free_refspecs(refspec, 1); + free_refspec(1, refspec); return !!refspec; } @@ -638,6 +618,10 @@ struct refspec *parse_push_refspec(int nr_refspec, const char **refspec) void free_refspec(int nr_refspec, struct refspec *refspec) { int i; + + if (!refspec) + return; + for (i = 0; i < nr_refspec; i++) { free(refspec[i].src); free(refspec[i].dst); @@ -649,7 +633,12 @@ static int valid_remote_nick(const char *name) { if (!name[0] || is_dot_or_dotdot(name)) return 0; - return !strchr(name, '/'); /* no slash */ + + /* remote nicknames cannot contain slashes */ + while (*name) + if (is_dir_sep(*name++)) + return 0; + return 1; } const char *remote_for_branch(struct branch *branch, int *explicit) @@ -1191,9 +1180,10 @@ static int match_explicit(struct ref *src, struct ref *dst, else if (is_null_oid(&matched_src->new_oid)) error("unable to delete '%s': remote ref does not exist", dst_value); - else if ((dst_guess = guess_ref(dst_value, matched_src))) + else if ((dst_guess = guess_ref(dst_value, matched_src))) { matched_dst = make_linked_ref(dst_guess, dst_tail); - else + free(dst_guess); + } else error("unable to push to unqualified destination: %s\n" "The destination refspec neither matches an " "existing ref on the remote nor\n" @@ -1296,7 +1286,7 @@ static void add_to_tips(struct tips *tips, const struct object_id *oid) if (is_null_oid(oid)) return; - commit = lookup_commit_reference_gently(oid->hash, 1); + commit = lookup_commit_reference_gently(oid, 1); if (!commit || (commit->object.flags & TMP_MARK)) return; commit->object.flags |= TMP_MARK; @@ -1358,7 +1348,8 @@ static void add_missing_tags(struct ref *src, struct ref **dst, struct ref ***ds if (is_null_oid(&ref->new_oid)) continue; - commit = lookup_commit_reference_gently(ref->new_oid.hash, 1); + commit = lookup_commit_reference_gently(&ref->new_oid, + 1); if (!commit) /* not pushing a commit, which is not an error */ continue; @@ -1585,8 +1576,8 @@ void set_ref_status_for_push(struct ref *remote_refs, int send_mirror, reject_reason = REF_STATUS_REJECT_ALREADY_EXISTS; else if (!has_object_file(&ref->old_oid)) reject_reason = REF_STATUS_REJECT_FETCH_FIRST; - else if (!lookup_commit_reference_gently(ref->old_oid.hash, 1) || - !lookup_commit_reference_gently(ref->new_oid.hash, 1)) + else if (!lookup_commit_reference_gently(&ref->old_oid, 1) || + !lookup_commit_reference_gently(&ref->new_oid, 1)) reject_reason = REF_STATUS_REJECT_NEEDS_FORCE; else if (!ref_newer(&ref->new_oid, &ref->old_oid)) reject_reason = REF_STATUS_REJECT_NONFASTFORWARD; @@ -1953,12 +1944,12 @@ int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid) * Both new and old must be commit-ish and new is descendant of * old. Otherwise we require --force. */ - o = deref_tag(parse_object(old_oid->hash), NULL, 0); + o = deref_tag(parse_object(old_oid), NULL, 0); if (!o || o->type != OBJ_COMMIT) return 0; old = (struct commit *) o; - o = deref_tag(parse_object(new_oid->hash), NULL, 0); + o = deref_tag(parse_object(new_oid), NULL, 0); if (!o || o->type != OBJ_COMMIT) return 0; new = (struct commit *) o; @@ -2009,13 +2000,13 @@ int stat_tracking_info(struct branch *branch, int *num_ours, int *num_theirs, /* Cannot stat if what we used to build on no longer exists */ if (read_ref(base, oid.hash)) return -1; - theirs = lookup_commit_reference(oid.hash); + theirs = lookup_commit_reference(&oid); if (!theirs) return -1; if (read_ref(branch->refname, oid.hash)) return -1; - ours = lookup_commit_reference(oid.hash); + ours = lookup_commit_reference(&oid); if (!ours) return -1;
diff --git a/revision.c b/revision.c index 4883cdd..f88c14b 100644 --- a/revision.c +++ b/revision.c
@@ -59,10 +59,10 @@ static void mark_tree_contents_uninteresting(struct tree *tree) while (tree_entry(&desc, &entry)) { switch (object_type(entry.mode)) { case OBJ_TREE: - mark_tree_uninteresting(lookup_tree(entry.oid->hash)); + mark_tree_uninteresting(lookup_tree(entry.oid)); break; case OBJ_BLOB: - mark_blob_uninteresting(lookup_blob(entry.oid->hash)); + mark_blob_uninteresting(lookup_blob(entry.oid)); break; default: /* Subproject commit - not in this repository */ @@ -177,23 +177,23 @@ void add_pending_object(struct rev_info *revs, void add_head_to_pending(struct rev_info *revs) { - unsigned char sha1[20]; + struct object_id oid; struct object *obj; - if (get_sha1("HEAD", sha1)) + if (get_oid("HEAD", &oid)) return; - obj = parse_object(sha1); + obj = parse_object(&oid); if (!obj) return; add_pending_object(revs, obj, "HEAD"); } static struct object *get_reference(struct rev_info *revs, const char *name, - const unsigned char *sha1, + const struct object_id *oid, unsigned int flags) { struct object *object; - object = parse_object(sha1); + object = parse_object(oid); if (!object) { if (revs->ignore_missing) return object; @@ -203,10 +203,10 @@ static struct object *get_reference(struct rev_info *revs, const char *name, return object; } -void add_pending_sha1(struct rev_info *revs, const char *name, - const unsigned char *sha1, unsigned int flags) +void add_pending_oid(struct rev_info *revs, const char *name, + const struct object_id *oid, unsigned int flags) { - struct object *object = get_reference(revs, name, sha1, flags); + struct object *object = get_reference(revs, name, oid, flags); add_pending_object(revs, object, name); } @@ -228,9 +228,9 @@ static struct commit *handle_commit(struct rev_info *revs, add_pending_object(revs, object, tag->tag); if (!tag->tagged) die("bad tag"); - object = parse_object(tag->tagged->oid.hash); + object = parse_object(&tag->tagged->oid); if (!object) { - if (flags & UNINTERESTING) + if (revs->ignore_missing_links || (flags & UNINTERESTING)) return NULL; die("bad object %s", oid_to_hex(&tag->tagged->oid)); } @@ -1157,9 +1157,9 @@ static int handle_one_ref(const char *path, const struct object_id *oid, if (ref_excluded(cb->all_revs->ref_excludes, path)) return 0; - object = get_reference(cb->all_revs, path, oid->hash, cb->all_flags); + object = get_reference(cb->all_revs, path, oid, cb->all_flags); add_rev_cmdline(cb->all_revs, object, path, REV_CMD_REF, cb->all_flags); - add_pending_sha1(cb->all_revs, path, oid->hash, cb->all_flags); + add_pending_oid(cb->all_revs, path, oid, cb->all_flags); return 0; } @@ -1200,7 +1200,7 @@ static void handle_one_reflog_commit(struct object_id *oid, void *cb_data) { struct all_refs_cb *cb = cb_data; if (!is_null_oid(oid)) { - struct object *o = parse_object(oid->hash); + struct object *o = parse_object(oid); if (o) { o->flags |= cb->all_flags; /* ??? CMDLINEFLAGS ??? */ @@ -1249,7 +1249,7 @@ static void add_cache_tree(struct cache_tree *it, struct rev_info *revs, int i; if (it->entry_count >= 0) { - struct tree *tree = lookup_tree(it->sha1); + struct tree *tree = lookup_tree(&it->oid); add_pending_object_with_path(revs, &tree->object, "", 040000, path->buf); } @@ -1275,7 +1275,7 @@ void add_index_objects_to_pending(struct rev_info *revs, unsigned flags) if (S_ISGITLINK(ce->ce_mode)) continue; - blob = lookup_blob(ce->oid.hash); + blob = lookup_blob(&ce->oid); if (!blob) die("unable to add index blob to traversal"); add_pending_object_with_path(revs, &blob->object, "", @@ -1292,7 +1292,7 @@ void add_index_objects_to_pending(struct rev_info *revs, unsigned flags) static int add_parents_only(struct rev_info *revs, const char *arg_, int flags, int exclude_parent) { - unsigned char sha1[20]; + struct object_id oid; struct object *it; struct commit *commit; struct commit_list *parents; @@ -1303,17 +1303,17 @@ static int add_parents_only(struct rev_info *revs, const char *arg_, int flags, flags ^= UNINTERESTING | BOTTOM; arg++; } - if (get_sha1_committish(arg, sha1)) + if (get_sha1_committish(arg, oid.hash)) return 0; while (1) { - it = get_reference(revs, arg, sha1, 0); + it = get_reference(revs, arg, &oid, 0); if (!it && revs->ignore_missing) return 0; if (it->type != OBJ_TAG) break; if (!((struct tag*)it)->tagged) return 0; - hashcpy(sha1, ((struct tag*)it)->tagged->oid.hash); + oidcpy(&oid, &((struct tag*)it)->tagged->oid); } if (it->type != OBJ_COMMIT) return 0; @@ -1389,16 +1389,16 @@ static void prepare_show_merge(struct rev_info *revs) { struct commit_list *bases; struct commit *head, *other; - unsigned char sha1[20]; + struct object_id oid; const char **prune = NULL; int i, prune_num = 1; /* counting terminating NULL */ - if (get_sha1("HEAD", sha1)) + if (get_oid("HEAD", &oid)) die("--merge without HEAD?"); - head = lookup_commit_or_die(sha1, "HEAD"); - if (get_sha1("MERGE_HEAD", sha1)) + head = lookup_commit_or_die(&oid, "HEAD"); + if (get_oid("MERGE_HEAD", &oid)) die("--merge without MERGE_HEAD?"); - other = lookup_commit_or_die(sha1, "MERGE_HEAD"); + other = lookup_commit_or_die(&oid, "MERGE_HEAD"); add_pending_object(revs, &head->object, "HEAD"); add_pending_object(revs, &other->object, "MERGE_HEAD"); bases = get_merge_bases(head, other); @@ -1429,134 +1429,168 @@ static void prepare_show_merge(struct rev_info *revs) revs->limited = 1; } +static int dotdot_missing(const char *arg, char *dotdot, + struct rev_info *revs, int symmetric) +{ + if (revs->ignore_missing) + return 0; + /* de-munge so we report the full argument */ + *dotdot = '.'; + die(symmetric + ? "Invalid symmetric difference expression %s" + : "Invalid revision range %s", arg); +} + +static int handle_dotdot_1(const char *arg, char *dotdot, + struct rev_info *revs, int flags, + int cant_be_filename, + struct object_context *a_oc, + struct object_context *b_oc) +{ + const char *a_name, *b_name; + struct object_id a_oid, b_oid; + struct object *a_obj, *b_obj; + unsigned int a_flags, b_flags; + int symmetric = 0; + unsigned int flags_exclude = flags ^ (UNINTERESTING | BOTTOM); + unsigned int oc_flags = GET_SHA1_COMMITTISH | GET_SHA1_RECORD_PATH; + + a_name = arg; + if (!*a_name) + a_name = "HEAD"; + + b_name = dotdot + 2; + if (*b_name == '.') { + symmetric = 1; + b_name++; + } + if (!*b_name) + b_name = "HEAD"; + + if (get_sha1_with_context(a_name, oc_flags, a_oid.hash, a_oc) || + get_sha1_with_context(b_name, oc_flags, b_oid.hash, b_oc)) + return -1; + + if (!cant_be_filename) { + *dotdot = '.'; + verify_non_filename(revs->prefix, arg); + *dotdot = '\0'; + } + + a_obj = parse_object(&a_oid); + b_obj = parse_object(&b_oid); + if (!a_obj || !b_obj) + return dotdot_missing(arg, dotdot, revs, symmetric); + + if (!symmetric) { + /* just A..B */ + b_flags = flags; + a_flags = flags_exclude; + } else { + /* A...B -- find merge bases between the two */ + struct commit *a, *b; + struct commit_list *exclude; + + a = lookup_commit_reference(&a_obj->oid); + b = lookup_commit_reference(&b_obj->oid); + if (!a || !b) + return dotdot_missing(arg, dotdot, revs, symmetric); + + exclude = get_merge_bases(a, b); + add_rev_cmdline_list(revs, exclude, REV_CMD_MERGE_BASE, + flags_exclude); + add_pending_commit_list(revs, exclude, flags_exclude); + free_commit_list(exclude); + + b_flags = flags; + a_flags = flags | SYMMETRIC_LEFT; + } + + a_obj->flags |= a_flags; + b_obj->flags |= b_flags; + add_rev_cmdline(revs, a_obj, a_name, REV_CMD_LEFT, a_flags); + add_rev_cmdline(revs, b_obj, b_name, REV_CMD_RIGHT, b_flags); + add_pending_object_with_path(revs, a_obj, a_name, a_oc->mode, a_oc->path); + add_pending_object_with_path(revs, b_obj, b_name, b_oc->mode, b_oc->path); + return 0; +} + +static int handle_dotdot(const char *arg, + struct rev_info *revs, int flags, + int cant_be_filename) +{ + struct object_context a_oc, b_oc; + char *dotdot = strstr(arg, ".."); + int ret; + + if (!dotdot) + return -1; + + memset(&a_oc, 0, sizeof(a_oc)); + memset(&b_oc, 0, sizeof(b_oc)); + + *dotdot = '\0'; + ret = handle_dotdot_1(arg, dotdot, revs, flags, cant_be_filename, + &a_oc, &b_oc); + *dotdot = '.'; + + free(a_oc.path); + free(b_oc.path); + + return ret; +} + int handle_revision_arg(const char *arg_, struct rev_info *revs, int flags, unsigned revarg_opt) { struct object_context oc; - char *dotdot; + char *mark; struct object *object; - unsigned char sha1[20]; + struct object_id oid; int local_flags; const char *arg = arg_; int cant_be_filename = revarg_opt & REVARG_CANNOT_BE_FILENAME; - unsigned get_sha1_flags = 0; + unsigned get_sha1_flags = GET_SHA1_RECORD_PATH; flags = flags & UNINTERESTING ? flags | BOTTOM : flags & ~BOTTOM; - dotdot = strstr(arg, ".."); - if (dotdot) { - unsigned char from_sha1[20]; - const char *next = dotdot + 2; - const char *this = arg; - int symmetric = *next == '.'; - unsigned int flags_exclude = flags ^ (UNINTERESTING | BOTTOM); - static const char head_by_default[] = "HEAD"; - unsigned int a_flags; - - *dotdot = 0; - next += symmetric; - - if (!*next) - next = head_by_default; - if (dotdot == arg) - this = head_by_default; - if (this == head_by_default && next == head_by_default && - !symmetric) { - /* - * Just ".."? That is not a range but the - * pathspec for the parent directory. - */ - if (!cant_be_filename) { - *dotdot = '.'; - return -1; - } - } - if (!get_sha1_committish(this, from_sha1) && - !get_sha1_committish(next, sha1)) { - struct object *a_obj, *b_obj; - - if (!cant_be_filename) { - *dotdot = '.'; - verify_non_filename(revs->prefix, arg); - } - - a_obj = parse_object(from_sha1); - b_obj = parse_object(sha1); - if (!a_obj || !b_obj) { - missing: - if (revs->ignore_missing) - return 0; - die(symmetric - ? "Invalid symmetric difference expression %s" - : "Invalid revision range %s", arg); - } - - if (!symmetric) { - /* just A..B */ - a_flags = flags_exclude; - } else { - /* A...B -- find merge bases between the two */ - struct commit *a, *b; - struct commit_list *exclude; - - a = (a_obj->type == OBJ_COMMIT - ? (struct commit *)a_obj - : lookup_commit_reference(a_obj->oid.hash)); - b = (b_obj->type == OBJ_COMMIT - ? (struct commit *)b_obj - : lookup_commit_reference(b_obj->oid.hash)); - if (!a || !b) - goto missing; - exclude = get_merge_bases(a, b); - add_rev_cmdline_list(revs, exclude, - REV_CMD_MERGE_BASE, - flags_exclude); - add_pending_commit_list(revs, exclude, - flags_exclude); - free_commit_list(exclude); - - a_flags = flags | SYMMETRIC_LEFT; - } - - a_obj->flags |= a_flags; - b_obj->flags |= flags; - add_rev_cmdline(revs, a_obj, this, - REV_CMD_LEFT, a_flags); - add_rev_cmdline(revs, b_obj, next, - REV_CMD_RIGHT, flags); - add_pending_object(revs, a_obj, this); - add_pending_object(revs, b_obj, next); - return 0; - } - *dotdot = '.'; + if (!cant_be_filename && !strcmp(arg, "..")) { + /* + * Just ".."? That is not a range but the + * pathspec for the parent directory. + */ + return -1; } - dotdot = strstr(arg, "^@"); - if (dotdot && !dotdot[2]) { - *dotdot = 0; + if (!handle_dotdot(arg, revs, flags, revarg_opt)) + return 0; + + mark = strstr(arg, "^@"); + if (mark && !mark[2]) { + *mark = 0; if (add_parents_only(revs, arg, flags, 0)) return 0; - *dotdot = '^'; + *mark = '^'; } - dotdot = strstr(arg, "^!"); - if (dotdot && !dotdot[2]) { - *dotdot = 0; + mark = strstr(arg, "^!"); + if (mark && !mark[2]) { + *mark = 0; if (!add_parents_only(revs, arg, flags ^ (UNINTERESTING | BOTTOM), 0)) - *dotdot = '^'; + *mark = '^'; } - dotdot = strstr(arg, "^-"); - if (dotdot) { + mark = strstr(arg, "^-"); + if (mark) { int exclude_parent = 1; - if (dotdot[2]) { + if (mark[2]) { char *end; - exclude_parent = strtoul(dotdot + 2, &end, 10); + exclude_parent = strtoul(mark + 2, &end, 10); if (*end != '\0' || !exclude_parent) return -1; } - *dotdot = 0; + *mark = 0; if (!add_parents_only(revs, arg, flags ^ (UNINTERESTING | BOTTOM), exclude_parent)) - *dotdot = '^'; + *mark = '^'; } local_flags = 0; @@ -1566,15 +1600,16 @@ int handle_revision_arg(const char *arg_, struct rev_info *revs, int flags, unsi } if (revarg_opt & REVARG_COMMITTISH) - get_sha1_flags = GET_SHA1_COMMITTISH; + get_sha1_flags |= GET_SHA1_COMMITTISH; - if (get_sha1_with_context(arg, get_sha1_flags, sha1, &oc)) + if (get_sha1_with_context(arg, get_sha1_flags, oid.hash, &oc)) return revs->ignore_missing ? 0 : -1; if (!cant_be_filename) verify_non_filename(revs->prefix, arg); - object = get_reference(revs, arg, sha1, flags ^ local_flags); + object = get_reference(revs, arg, &oid, flags ^ local_flags); add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags); - add_pending_object_with_mode(revs, object, arg, oc.mode); + add_pending_object_with_path(revs, object, arg, oc.mode, oc.path); + free(oc.path); return 0; } @@ -2288,12 +2323,12 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s if (revs->show_merge) prepare_show_merge(revs); if (revs->def && !revs->pending.nr && !got_rev_arg) { - unsigned char sha1[20]; + struct object_id oid; struct object *object; struct object_context oc; - if (get_sha1_with_context(revs->def, 0, sha1, &oc)) + if (get_sha1_with_context(revs->def, 0, oid.hash, &oc)) diagnose_missing_default(revs->def); - object = get_reference(revs, revs->def, sha1, 0); + object = get_reference(revs, revs->def, &oid, 0); add_pending_object_with_mode(revs, object, revs->def, oc.mode); }
diff --git a/revision.h b/revision.h index 0d9e68b..a91dd3d 100644 --- a/revision.h +++ b/revision.h
@@ -263,9 +263,9 @@ extern void show_object_with_name(FILE *, struct object *, const char *); extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name); -extern void add_pending_sha1(struct rev_info *revs, - const char *name, const unsigned char *sha1, - unsigned int flags); +extern void add_pending_oid(struct rev_info *revs, + const char *name, const struct object_id *oid, + unsigned int flags); extern void add_head_to_pending(struct rev_info *); extern void add_reflogs_to_pending(struct rev_info *, unsigned int flags);
diff --git a/run-command.c b/run-command.c index 574b81d..9e36151 100644 --- a/run-command.c +++ b/run-command.c
@@ -117,18 +117,65 @@ static inline void close_pair(int fd[2]) close(fd[1]); } -#ifndef GIT_WINDOWS_NATIVE -static inline void dup_devnull(int to) +int is_executable(const char *name) { - int fd = open("/dev/null", O_RDWR); - if (fd < 0) - die_errno(_("open /dev/null failed")); - if (dup2(fd, to) < 0) - die_errno(_("dup2(%d,%d) failed"), fd, to); - close(fd); + struct stat st; + + if (stat(name, &st) || /* stat, not lstat */ + !S_ISREG(st.st_mode)) + return 0; + +#if defined(GIT_WINDOWS_NATIVE) + /* + * On Windows there is no executable bit. The file extension + * indicates whether it can be run as an executable, and Git + * has special-handling to detect scripts and launch them + * through the indicated script interpreter. We test for the + * file extension first because virus scanners may make + * it quite expensive to open many files. + */ + if (ends_with(name, ".exe")) + return S_IXUSR; + +{ + /* + * Now that we know it does not have an executable extension, + * peek into the file instead. + */ + char buf[3] = { 0 }; + int n; + int fd = open(name, O_RDONLY); + st.st_mode &= ~S_IXUSR; + if (fd >= 0) { + n = read(fd, buf, 2); + if (n == 2) + /* look for a she-bang */ + if (!strcmp(buf, "#!")) + st.st_mode |= S_IXUSR; + close(fd); + } } #endif + return st.st_mode & S_IXUSR; +} +/* + * Search $PATH for a command. This emulates the path search that + * execvp would perform, without actually executing the command so it + * can be used before fork() to prepare to run a command using + * execve() or after execvp() to diagnose why it failed. + * + * The caller should ensure that file contains no directory + * separators. + * + * Returns the path to the command, as found in $PATH or NULL if the + * command could not be found. The caller inherits ownership of the memory + * used to store the resultant path. + * + * This should not be used on Windows, where the $PATH search rules + * are more complicated (e.g., a search for "foo" should find + * "foo.exe"). + */ static char *locate_in_PATH(const char *file) { const char *p = getenv("PATH"); @@ -149,7 +196,7 @@ static char *locate_in_PATH(const char *file) } strbuf_addstr(&buf, file); - if (!access(buf.buf, F_OK)) + if (is_executable(buf.buf)) return strbuf_detach(&buf, NULL); if (!*end) @@ -221,31 +268,248 @@ static const char **prepare_shell_cmd(struct argv_array *out, const char **argv) } #ifndef GIT_WINDOWS_NATIVE -static int execv_shell_cmd(const char **argv) -{ - struct argv_array nargv = ARGV_ARRAY_INIT; - prepare_shell_cmd(&nargv, argv); - trace_argv_printf(nargv.argv, "trace: exec:"); - sane_execvp(nargv.argv[0], (char **)nargv.argv); - argv_array_clear(&nargv); - return -1; -} -#endif - -#ifndef GIT_WINDOWS_NATIVE static int child_notifier = -1; -static void notify_parent(void) +enum child_errcode { + CHILD_ERR_CHDIR, + CHILD_ERR_DUP2, + CHILD_ERR_CLOSE, + CHILD_ERR_SIGPROCMASK, + CHILD_ERR_ENOENT, + CHILD_ERR_SILENT, + CHILD_ERR_ERRNO +}; + +struct child_err { + enum child_errcode err; + int syserr; /* errno */ +}; + +static void child_die(enum child_errcode err) { + struct child_err buf; + + buf.err = err; + buf.syserr = errno; + + /* write(2) on buf smaller than PIPE_BUF (min 512) is atomic: */ + xwrite(child_notifier, &buf, sizeof(buf)); + _exit(1); +} + +static void child_dup2(int fd, int to) +{ + if (dup2(fd, to) < 0) + child_die(CHILD_ERR_DUP2); +} + +static void child_close(int fd) +{ + if (close(fd)) + child_die(CHILD_ERR_CLOSE); +} + +static void child_close_pair(int fd[2]) +{ + child_close(fd[0]); + child_close(fd[1]); +} + +/* + * parent will make it look like the child spewed a fatal error and died + * this is needed to prevent changes to t0061. + */ +static void fake_fatal(const char *err, va_list params) +{ + vreportf("fatal: ", err, params); +} + +static void child_error_fn(const char *err, va_list params) +{ + const char msg[] = "error() should not be called in child\n"; + xwrite(2, msg, sizeof(msg) - 1); +} + +static void child_warn_fn(const char *err, va_list params) +{ + const char msg[] = "warn() should not be called in child\n"; + xwrite(2, msg, sizeof(msg) - 1); +} + +static void NORETURN child_die_fn(const char *err, va_list params) +{ + const char msg[] = "die() should not be called in child\n"; + xwrite(2, msg, sizeof(msg) - 1); + _exit(2); +} + +/* this runs in the parent process */ +static void child_err_spew(struct child_process *cmd, struct child_err *cerr) +{ + static void (*old_errfn)(const char *err, va_list params); + + old_errfn = get_error_routine(); + set_error_routine(fake_fatal); + errno = cerr->syserr; + + switch (cerr->err) { + case CHILD_ERR_CHDIR: + error_errno("exec '%s': cd to '%s' failed", + cmd->argv[0], cmd->dir); + break; + case CHILD_ERR_DUP2: + error_errno("dup2() in child failed"); + break; + case CHILD_ERR_CLOSE: + error_errno("close() in child failed"); + break; + case CHILD_ERR_SIGPROCMASK: + error_errno("sigprocmask failed restoring signals"); + break; + case CHILD_ERR_ENOENT: + error_errno("cannot run %s", cmd->argv[0]); + break; + case CHILD_ERR_SILENT: + break; + case CHILD_ERR_ERRNO: + error_errno("cannot exec '%s'", cmd->argv[0]); + break; + } + set_error_routine(old_errfn); +} + +static void prepare_cmd(struct argv_array *out, const struct child_process *cmd) +{ + if (!cmd->argv[0]) + die("BUG: command is empty"); + /* - * execvp failed. If possible, we'd like to let start_command - * know, so failures like ENOENT can be handled right away; but - * otherwise, finish_command will still report the error. + * Add SHELL_PATH so in the event exec fails with ENOEXEC we can + * attempt to interpret the command with 'sh'. */ - xwrite(child_notifier, "", 1); + argv_array_push(out, SHELL_PATH); + + if (cmd->git_cmd) { + argv_array_push(out, "git"); + argv_array_pushv(out, cmd->argv); + } else if (cmd->use_shell) { + prepare_shell_cmd(out, cmd->argv); + } else { + argv_array_pushv(out, cmd->argv); + } + + /* + * If there are no '/' characters in the command then perform a path + * lookup and use the resolved path as the command to exec. If there + * are no '/' characters or if the command wasn't found in the path, + * have exec attempt to invoke the command directly. + */ + if (!strchr(out->argv[1], '/')) { + char *program = locate_in_PATH(out->argv[1]); + if (program) { + free((char *)out->argv[1]); + out->argv[1] = program; + } + } +} + +static char **prep_childenv(const char *const *deltaenv) +{ + extern char **environ; + char **childenv; + struct string_list env = STRING_LIST_INIT_DUP; + struct strbuf key = STRBUF_INIT; + const char *const *p; + int i; + + /* Construct a sorted string list consisting of the current environ */ + for (p = (const char *const *) environ; p && *p; p++) { + const char *equals = strchr(*p, '='); + + if (equals) { + strbuf_reset(&key); + strbuf_add(&key, *p, equals - *p); + string_list_append(&env, key.buf)->util = (void *) *p; + } else { + string_list_append(&env, *p)->util = (void *) *p; + } + } + string_list_sort(&env); + + /* Merge in 'deltaenv' with the current environ */ + for (p = deltaenv; p && *p; p++) { + const char *equals = strchr(*p, '='); + + if (equals) { + /* ('key=value'), insert or replace entry */ + strbuf_reset(&key); + strbuf_add(&key, *p, equals - *p); + string_list_insert(&env, key.buf)->util = (void *) *p; + } else { + /* otherwise ('key') remove existing entry */ + string_list_remove(&env, *p, 0); + } + } + + /* Create an array of 'char *' to be used as the childenv */ + childenv = xmalloc((env.nr + 1) * sizeof(char *)); + for (i = 0; i < env.nr; i++) + childenv[i] = env.items[i].util; + childenv[env.nr] = NULL; + + string_list_clear(&env, 0); + strbuf_release(&key); + return childenv; +} + +struct atfork_state { +#ifndef NO_PTHREADS + int cs; +#endif + sigset_t old; +}; + +#ifndef NO_PTHREADS +static void bug_die(int err, const char *msg) +{ + if (err) { + errno = err; + die_errno("BUG: %s", msg); + } } #endif +static void atfork_prepare(struct atfork_state *as) +{ + sigset_t all; + + if (sigfillset(&all)) + die_errno("sigfillset"); +#ifdef NO_PTHREADS + if (sigprocmask(SIG_SETMASK, &all, &as->old)) + die_errno("sigprocmask"); +#else + bug_die(pthread_sigmask(SIG_SETMASK, &all, &as->old), + "blocking all signals"); + bug_die(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &as->cs), + "disabling cancellation"); +#endif +} + +static void atfork_parent(struct atfork_state *as) +{ +#ifdef NO_PTHREADS + if (sigprocmask(SIG_SETMASK, &as->old, NULL)) + die_errno("sigprocmask"); +#else + bug_die(pthread_setcancelstate(as->cs, NULL), + "re-enabling cancellation"); + bug_die(pthread_sigmask(SIG_SETMASK, &as->old, NULL), + "restoring signal mask"); +#endif +} +#endif /* GIT_WINDOWS_NATIVE */ + static inline void set_cloexec(int fd) { int flags = fcntl(fd, F_GETFD); @@ -281,13 +545,6 @@ static int wait_or_whine(pid_t pid, const char *argv0, int in_signal) code += 128; } else if (WIFEXITED(status)) { code = WEXITSTATUS(status); - /* - * Convert special exit code when execvp failed. - */ - if (code == 127) { - code = -1; - failed_errno = ENOENT; - } } else { error("waitpid is confused (%s)", argv0); } @@ -372,109 +629,149 @@ int start_command(struct child_process *cmd) #ifndef GIT_WINDOWS_NATIVE { int notify_pipe[2]; + int null_fd = -1; + char **childenv; + struct argv_array argv = ARGV_ARRAY_INIT; + struct child_err cerr; + struct atfork_state as; + if (pipe(notify_pipe)) notify_pipe[0] = notify_pipe[1] = -1; + if (cmd->no_stdin || cmd->no_stdout || cmd->no_stderr) { + null_fd = open("/dev/null", O_RDWR | O_CLOEXEC); + if (null_fd < 0) + die_errno(_("open /dev/null failed")); + set_cloexec(null_fd); + } + + prepare_cmd(&argv, cmd); + childenv = prep_childenv(cmd->env); + atfork_prepare(&as); + + /* + * NOTE: In order to prevent deadlocking when using threads special + * care should be taken with the function calls made in between the + * fork() and exec() calls. No calls should be made to functions which + * require acquiring a lock (e.g. malloc) as the lock could have been + * held by another thread at the time of forking, causing the lock to + * never be released in the child process. This means only + * Async-Signal-Safe functions are permitted in the child. + */ cmd->pid = fork(); failed_errno = errno; if (!cmd->pid) { + int sig; /* - * Redirect the channel to write syscall error messages to - * before redirecting the process's stderr so that all die() - * in subsequent call paths use the parent's stderr. + * Ensure the default die/error/warn routines do not get + * called, they can take stdio locks and malloc. */ - if (cmd->no_stderr || need_err) { - int child_err = dup(2); - set_cloexec(child_err); - set_error_handle(fdopen(child_err, "w")); - } + set_die_routine(child_die_fn); + set_error_routine(child_error_fn); + set_warn_routine(child_warn_fn); close(notify_pipe[0]); set_cloexec(notify_pipe[1]); child_notifier = notify_pipe[1]; - atexit(notify_parent); if (cmd->no_stdin) - dup_devnull(0); + child_dup2(null_fd, 0); else if (need_in) { - dup2(fdin[0], 0); - close_pair(fdin); + child_dup2(fdin[0], 0); + child_close_pair(fdin); } else if (cmd->in) { - dup2(cmd->in, 0); - close(cmd->in); + child_dup2(cmd->in, 0); + child_close(cmd->in); } if (cmd->no_stderr) - dup_devnull(2); + child_dup2(null_fd, 2); else if (need_err) { - dup2(fderr[1], 2); - close_pair(fderr); + child_dup2(fderr[1], 2); + child_close_pair(fderr); } else if (cmd->err > 1) { - dup2(cmd->err, 2); - close(cmd->err); + child_dup2(cmd->err, 2); + child_close(cmd->err); } if (cmd->no_stdout) - dup_devnull(1); + child_dup2(null_fd, 1); else if (cmd->stdout_to_stderr) - dup2(2, 1); + child_dup2(2, 1); else if (need_out) { - dup2(fdout[1], 1); - close_pair(fdout); + child_dup2(fdout[1], 1); + child_close_pair(fdout); } else if (cmd->out > 1) { - dup2(cmd->out, 1); - close(cmd->out); + child_dup2(cmd->out, 1); + child_close(cmd->out); } if (cmd->dir && chdir(cmd->dir)) - die_errno("exec '%s': cd to '%s' failed", cmd->argv[0], - cmd->dir); - if (cmd->env) { - for (; *cmd->env; cmd->env++) { - if (strchr(*cmd->env, '=')) - putenv((char *)*cmd->env); - else - unsetenv(*cmd->env); - } + child_die(CHILD_ERR_CHDIR); + + /* + * restore default signal handlers here, in case + * we catch a signal right before execve below + */ + for (sig = 1; sig < NSIG; sig++) { + /* ignored signals get reset to SIG_DFL on execve */ + if (signal(sig, SIG_DFL) == SIG_IGN) + signal(sig, SIG_IGN); } - if (cmd->git_cmd) - execv_git_cmd(cmd->argv); - else if (cmd->use_shell) - execv_shell_cmd(cmd->argv); - else - sane_execvp(cmd->argv[0], (char *const*) cmd->argv); + + if (sigprocmask(SIG_SETMASK, &as.old, NULL) != 0) + child_die(CHILD_ERR_SIGPROCMASK); + + /* + * Attempt to exec using the command and arguments starting at + * argv.argv[1]. argv.argv[0] contains SHELL_PATH which will + * be used in the event exec failed with ENOEXEC at which point + * we will try to interpret the command using 'sh'. + */ + execve(argv.argv[1], (char *const *) argv.argv + 1, + (char *const *) childenv); + if (errno == ENOEXEC) + execve(argv.argv[0], (char *const *) argv.argv, + (char *const *) childenv); + if (errno == ENOENT) { - if (!cmd->silent_exec_failure) - error("cannot run %s: %s", cmd->argv[0], - strerror(ENOENT)); - exit(127); + if (cmd->silent_exec_failure) + child_die(CHILD_ERR_SILENT); + child_die(CHILD_ERR_ENOENT); } else { - die_errno("cannot exec '%s'", cmd->argv[0]); + child_die(CHILD_ERR_ERRNO); } } + atfork_parent(&as); if (cmd->pid < 0) error_errno("cannot fork() for %s", cmd->argv[0]); else if (cmd->clean_on_exit) mark_child_for_cleanup(cmd->pid, cmd); /* - * Wait for child's execvp. If the execvp succeeds (or if fork() + * Wait for child's exec. If the exec succeeds (or if fork() * failed), EOF is seen immediately by the parent. Otherwise, the - * child process sends a single byte. + * child process sends a child_err struct. * Note that use of this infrastructure is completely advisory, * therefore, we keep error checks minimal. */ close(notify_pipe[1]); - if (read(notify_pipe[0], ¬ify_pipe[1], 1) == 1) { + if (xread(notify_pipe[0], &cerr, sizeof(cerr)) == sizeof(cerr)) { /* - * At this point we know that fork() succeeded, but execvp() + * At this point we know that fork() succeeded, but exec() * failed. Errors have been reported to our stderr. */ wait_or_whine(cmd->pid, cmd->argv[0], 0); + child_err_spew(cmd, &cerr); failed_errno = errno; cmd->pid = -1; } close(notify_pipe[0]); + + if (null_fd >= 0) + close(null_fd); + argv_array_clear(&argv); + free(childenv); } #else {
diff --git a/run-command.h b/run-command.h index 4fa8f65..3932420 100644 --- a/run-command.h +++ b/run-command.h
@@ -51,6 +51,7 @@ struct child_process { #define CHILD_PROCESS_INIT { NULL, ARGV_ARRAY_INIT, ARGV_ARRAY_INIT } void child_process_init(struct child_process *); void child_process_clear(struct child_process *); +extern int is_executable(const char *name); int start_command(struct child_process *); int finish_command(struct child_process *);
diff --git a/sequencer.c b/sequencer.c index 0fa3fb1..924fb1d 100644 --- a/sequencer.c +++ b/sequencer.c
@@ -344,7 +344,7 @@ static int read_oneliner(struct strbuf *buf, static struct tree *empty_tree(void) { - return lookup_tree(EMPTY_TREE_SHA1_BIN); + return lookup_tree(&empty_tree_oid); } static int error_dirty_index(struct replay_opts *opts) @@ -374,7 +374,7 @@ static void update_abort_safety_file(void) write_file(git_path_abort_safety_file(), "%s", ""); } -static int fast_forward_to(const unsigned char *to, const unsigned char *from, +static int fast_forward_to(const struct object_id *to, const struct object_id *from, int unborn, struct replay_opts *opts) { struct ref_transaction *transaction; @@ -390,7 +390,7 @@ static int fast_forward_to(const unsigned char *to, const unsigned char *from, transaction = ref_transaction_begin(&err); if (!transaction || ref_transaction_update(transaction, "HEAD", - to, unborn ? null_sha1 : from, + to->hash, unborn ? null_sha1 : from->hash, 0, sb.buf, &err) || ref_transaction_commit(transaction, &err)) { ref_transaction_free(transaction); @@ -426,7 +426,7 @@ void append_conflicts_hint(struct strbuf *msgbuf) static int do_recursive_merge(struct commit *base, struct commit *next, const char *base_label, const char *next_label, - unsigned char *head, struct strbuf *msgbuf, + struct object_id *head, struct strbuf *msgbuf, struct replay_opts *opts) { struct merge_options o; @@ -464,7 +464,8 @@ static int do_recursive_merge(struct commit *base, struct commit *next, if (active_cache_changed && write_locked_index(&the_index, &index_lock, COMMIT_LOCK)) - /* TRANSLATORS: %s will be "revert", "cherry-pick" or + /* + * TRANSLATORS: %s will be "revert", "cherry-pick" or * "rebase -i". */ return error(_("%s: Unable to write new index file"), @@ -482,13 +483,13 @@ static int do_recursive_merge(struct commit *base, struct commit *next, static int is_index_unchanged(void) { - unsigned char head_sha1[20]; + struct object_id head_oid; struct commit *head_commit; - if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL)) + if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_oid.hash, NULL)) return error(_("could not resolve HEAD commit\n")); - head_commit = lookup_commit(head_sha1); + head_commit = lookup_commit(&head_oid); /* * If head_commit is NULL, check_commit, called from @@ -508,7 +509,8 @@ static int is_index_unchanged(void) if (cache_tree_update(&the_index, 0)) return error(_("unable to update cache tree\n")); - return !hashcmp(active_cache_tree->sha1, head_commit->tree->object.oid.hash); + return !oidcmp(&active_cache_tree->oid, + &head_commit->tree->object.oid); } static int write_author_script(const char *message) @@ -834,13 +836,13 @@ static int update_squash_messages(enum todo_command command, strbuf_splice(&buf, 0, eol - buf.buf, header.buf, header.len); strbuf_release(&header); } else { - unsigned char head[20]; + struct object_id head; struct commit *head_commit; const char *head_message, *body; - if (get_sha1("HEAD", head)) + if (get_oid("HEAD", &head)) return error(_("need a HEAD to fixup")); - if (!(head_commit = lookup_commit_reference(head))) + if (!(head_commit = lookup_commit_reference(&head))) return error(_("could not read HEAD")); if (!(head_message = get_commit_buffer(head_commit, NULL))) return error(_("could not read HEAD's commit message")); @@ -934,7 +936,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, { unsigned int flags = opts->edit ? EDIT_MSG : 0; const char *msg_file = opts->edit ? NULL : git_path_merge_msg(); - unsigned char head[20]; + struct object_id head; struct commit *base, *next, *parent; const char *base_label, *next_label; struct commit_message msg = { NULL, NULL, NULL, NULL }; @@ -948,12 +950,12 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, * that represents the "current" state for merge-recursive * to work on. */ - if (write_cache_as_tree(head, 0, NULL)) + if (write_cache_as_tree(head.hash, 0, NULL)) return error(_("your index file is unmerged.")); } else { - unborn = get_sha1("HEAD", head); + unborn = get_oid("HEAD", &head); if (unborn) - hashcpy(head, EMPTY_TREE_SHA1_BIN); + oidcpy(&head, &empty_tree_oid); if (index_differs_from(unborn ? EMPTY_TREE_SHA1_HEX : "HEAD", 0, 0)) return error_dirty_index(opts); } @@ -989,11 +991,11 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, oid_to_hex(&commit->object.oid)); if (opts->allow_ff && !is_fixup(command) && - ((parent && !hashcmp(parent->object.oid.hash, head)) || + ((parent && !oidcmp(&parent->object.oid, &head)) || (!parent && unborn))) { if (is_rebase_i(opts)) write_author_script(msg.message); - res = fast_forward_to(commit->object.oid.hash, head, unborn, + res = fast_forward_to(&commit->object.oid, &head, unborn, opts); if (res || command != TODO_REWORD) goto leave; @@ -1081,7 +1083,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, res = -1; else if (!opts->strategy || !strcmp(opts->strategy, "recursive") || command == TODO_REVERT) { res = do_recursive_merge(base, next, base_label, next_label, - head, &msgbuf, opts); + &head, &msgbuf, opts); if (res < 0) return res; res |= write_message(msgbuf.buf, msgbuf.len, @@ -1097,7 +1099,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit, commit_list_insert(next, &remotes); res |= try_merge_command(opts->strategy, opts->xopts_nr, (const char **)opts->xopts, - common, sha1_to_hex(head), remotes); + common, oid_to_hex(&head), remotes); free_commit_list(common); free_commit_list(remotes); } @@ -1222,7 +1224,7 @@ static struct todo_item *append_new_todo(struct todo_list *todo_list) static int parse_insn_line(struct todo_item *item, const char *bol, char *eol) { - unsigned char commit_sha1[20]; + struct object_id commit_oid; char *end_of_object_name; int i, saved, status, padding; @@ -1271,7 +1273,7 @@ static int parse_insn_line(struct todo_item *item, const char *bol, char *eol) end_of_object_name = (char *) bol + strcspn(bol, " \t\n"); saved = *end_of_object_name; *end_of_object_name = '\0'; - status = get_sha1(bol, commit_sha1); + status = get_oid(bol, &commit_oid); *end_of_object_name = saved; item->arg = end_of_object_name + strspn(end_of_object_name, " \t"); @@ -1280,7 +1282,7 @@ static int parse_insn_line(struct todo_item *item, const char *bol, char *eol) if (status < 0) return -1; - item->commit = lookup_commit_reference(commit_sha1); + item->commit = lookup_commit_reference(&commit_oid); return !item->commit; } @@ -1914,11 +1916,13 @@ static int apply_autostash(struct replay_opts *opts) strbuf_trim(&stash_sha1); child.git_cmd = 1; + child.no_stdout = 1; + child.no_stderr = 1; argv_array_push(&child.args, "stash"); argv_array_push(&child.args, "apply"); argv_array_push(&child.args, stash_sha1.buf); if (!run_command(&child)) - printf(_("Applied autostash.")); + printf(_("Applied autostash.\n")); else { struct child_process store = CHILD_PROCESS_INIT; @@ -2089,6 +2093,7 @@ static int pick_commits(struct todo_list *todo_list, struct replay_opts *opts) res = error(_("could not read orig-head")); goto cleanup_head_ref; } + strbuf_reset(&buf); if (!read_oneliner(&buf, rebase_path_onto(), 0)) { res = error(_("could not read 'onto'")); goto cleanup_head_ref; @@ -2281,7 +2286,7 @@ static int single_pick(struct commit *cmit, struct replay_opts *opts) int sequencer_pick_revisions(struct replay_opts *opts) { struct todo_list todo_list = TODO_LIST_INIT; - unsigned char sha1[20]; + struct object_id oid; int i, res; assert(opts->revs); @@ -2289,16 +2294,16 @@ int sequencer_pick_revisions(struct replay_opts *opts) return -1; for (i = 0; i < opts->revs->pending.nr; i++) { - unsigned char sha1[20]; + struct object_id oid; const char *name = opts->revs->pending.objects[i].name; /* This happens when using --stdin. */ if (!strlen(name)) continue; - if (!get_sha1(name, sha1)) { - if (!lookup_commit_reference_gently(sha1, 1)) { - enum object_type type = sha1_object_info(sha1, NULL); + if (!get_oid(name, &oid)) { + if (!lookup_commit_reference_gently(&oid, 1)) { + enum object_type type = sha1_object_info(oid.hash, NULL); return error(_("%s: can't cherry-pick a %s"), name, typename(type)); } @@ -2335,9 +2340,9 @@ int sequencer_pick_revisions(struct replay_opts *opts) if (walk_revs_populate_todo(&todo_list, opts) || create_seq_dir() < 0) return -1; - if (get_sha1("HEAD", sha1) && (opts->action == REPLAY_REVERT)) + if (get_oid("HEAD", &oid) && (opts->action == REPLAY_REVERT)) return error(_("can't revert as initial commit")); - if (save_head(sha1_to_hex(sha1))) + if (save_head(oid_to_hex(&oid))) return -1; if (save_opts(opts)) return -1;
diff --git a/server-info.c b/server-info.c index f6c1a3d..6f865b7 100644 --- a/server-info.c +++ b/server-info.c
@@ -53,7 +53,7 @@ static int add_info_ref(const char *path, const struct object_id *oid, int flag, void *cb_data) { FILE *fp = cb_data; - struct object *o = parse_object(oid->hash); + struct object *o = parse_object(oid); if (!o) return -1;
diff --git a/setup.c b/setup.c index 0309c27..ba6e855 100644 --- a/setup.c +++ b/setup.c
@@ -150,7 +150,7 @@ int check_filename(const char *prefix, const char *arg) free(to_free); return 1; /* file exists */ } - if (errno == ENOENT || errno == ENOTDIR) { + if (is_missing_file_error(errno)) { free(to_free); return 0; /* file does not exist */ } @@ -703,11 +703,16 @@ static const char *setup_discovered_git_dir(const char *gitdir, /* --work-tree is set without --git-dir; use discovered one */ if (getenv(GIT_WORK_TREE_ENVIRONMENT) || git_work_tree_cfg) { + char *to_free = NULL; + const char *ret; + if (offset != cwd->len && !is_absolute_path(gitdir)) - gitdir = real_pathdup(gitdir, 1); + gitdir = to_free = real_pathdup(gitdir, 1); if (chdir(cwd->buf)) die_errno("Could not come back to cwd"); - return setup_explicit_git_dir(gitdir, cwd, nongit_ok); + ret = setup_explicit_git_dir(gitdir, cwd, nongit_ok); + free(to_free); + return ret; } /* #16.2, #17.2, #20.2, #21.2, #24, #25, #28, #29 (see t1510) */ @@ -748,7 +753,7 @@ static const char *setup_bare_git_dir(struct strbuf *cwd, int offset, /* --work-tree is set without --git-dir; use discovered one */ if (getenv(GIT_WORK_TREE_ENVIRONMENT) || git_work_tree_cfg) { - const char *gitdir; + static const char *gitdir; gitdir = offset == cwd->len ? "." : xmemdupz(cwd->buf, offset); if (chdir(cwd->buf))
diff --git a/sha1_name.c b/sha1_name.c index 35c1e2a..5126853 100644 --- a/sha1_name.c +++ b/sha1_name.c
@@ -241,7 +241,7 @@ static int disambiguate_committish_only(const struct object_id *oid, void *cb_da return 0; /* We need to do this the hard way... */ - obj = deref_tag(parse_object(oid->hash), NULL, 0); + obj = deref_tag(parse_object(oid), NULL, 0); if (obj && obj->type == OBJ_COMMIT) return 1; return 0; @@ -265,7 +265,7 @@ static int disambiguate_treeish_only(const struct object_id *oid, void *cb_data_ return 0; /* We need to do this the hard way... */ - obj = deref_tag(parse_object(oid->hash), NULL, 0); + obj = deref_tag(parse_object(oid), NULL, 0); if (obj && (obj->type == OBJ_TREE || obj->type == OBJ_COMMIT)) return 1; return 0; @@ -354,14 +354,14 @@ static int show_ambiguous_object(const struct object_id *oid, void *data) type = sha1_object_info(oid->hash, NULL); if (type == OBJ_COMMIT) { - struct commit *commit = lookup_commit(oid->hash); + struct commit *commit = lookup_commit(oid); if (commit) { struct pretty_print_context pp = {0}; pp.date_mode.type = DATE_SHORT; format_commit_message(commit, " %ad - %s", &desc, &pp); } } else if (type == OBJ_TAG) { - struct tag *tag = lookup_tag(oid->hash); + struct tag *tag = lookup_tag(oid); if (!parse_tag(tag) && tag->tag) strbuf_addf(&desc, " %s", tag->tag); } @@ -722,14 +722,14 @@ static int get_sha1_basic(const char *str, int len, unsigned char *sha1, static int get_parent(const char *name, int len, unsigned char *result, int idx) { - unsigned char sha1[20]; - int ret = get_sha1_1(name, len, sha1, GET_SHA1_COMMITTISH); + struct object_id oid; + int ret = get_sha1_1(name, len, oid.hash, GET_SHA1_COMMITTISH); struct commit *commit; struct commit_list *p; if (ret) return ret; - commit = lookup_commit_reference(sha1); + commit = lookup_commit_reference(&oid); if (parse_commit(commit)) return -1; if (!idx) { @@ -750,14 +750,14 @@ static int get_parent(const char *name, int len, static int get_nth_ancestor(const char *name, int len, unsigned char *result, int generation) { - unsigned char sha1[20]; + struct object_id oid; struct commit *commit; int ret; - ret = get_sha1_1(name, len, sha1, GET_SHA1_COMMITTISH); + ret = get_sha1_1(name, len, oid.hash, GET_SHA1_COMMITTISH); if (ret) return ret; - commit = lookup_commit_reference(sha1); + commit = lookup_commit_reference(&oid); if (!commit) return -1; @@ -776,7 +776,7 @@ struct object *peel_to_type(const char *name, int namelen, if (name && !namelen) namelen = strlen(name); while (1) { - if (!o || (!o->parsed && !parse_object(o->oid.hash))) + if (!o || (!o->parsed && !parse_object(&o->oid))) return NULL; if (expected_type == OBJ_ANY || o->type == expected_type) return o; @@ -798,7 +798,7 @@ struct object *peel_to_type(const char *name, int namelen, static int peel_onion(const char *name, int len, unsigned char *sha1, unsigned lookup_flags) { - unsigned char outer[20]; + struct object_id outer; const char *sp; unsigned int expected_type = 0; struct object *o; @@ -846,15 +846,15 @@ static int peel_onion(const char *name, int len, unsigned char *sha1, else if (expected_type == OBJ_TREE) lookup_flags |= GET_SHA1_TREEISH; - if (get_sha1_1(name, sp - name - 2, outer, lookup_flags)) + if (get_sha1_1(name, sp - name - 2, outer.hash, lookup_flags)) return -1; - o = parse_object(outer); + o = parse_object(&outer); if (!o) return -1; if (!expected_type) { o = deref_tag(o, name, sp - name - 2); - if (!o || (!o->parsed && !parse_object(o->oid.hash))) + if (!o || (!o->parsed && !parse_object(&o->oid))) return -1; hashcpy(sha1, o->oid.hash); return 0; @@ -981,7 +981,7 @@ static int handle_one_ref(const char *path, const struct object_id *oid, int flag, void *cb_data) { struct commit_list **list = cb_data; - struct object *object = parse_object(oid->hash); + struct object *object = parse_object(oid); if (!object) return 0; if (object->type == OBJ_TAG) { @@ -1027,7 +1027,7 @@ static int get_sha1_oneline(const char *prefix, unsigned char *sha1, int matches; commit = pop_most_recent_commit(&list, ONELINE_SEEN); - if (!parse_object(commit->object.oid.hash)) + if (!parse_object(&commit->object.oid)) continue; buf = get_commit_buffer(commit, NULL); p = strstr(buf, "\n\n"); @@ -1136,13 +1136,13 @@ int get_oid_mb(const char *name, struct object_id *oid) } if (st) return st; - one = lookup_commit_reference_gently(oid_tmp.hash, 0); + one = lookup_commit_reference_gently(&oid_tmp, 0); if (!one) return -1; if (get_sha1_committish(dots[3] ? (dots + 3) : "HEAD", oid_tmp.hash)) return -1; - two = lookup_commit_reference_gently(oid_tmp.hash, 0); + two = lookup_commit_reference_gently(&oid_tmp, 0); if (!two) return -1; mbs = get_merge_bases(one, two); @@ -1408,7 +1408,7 @@ static void diagnose_invalid_sha1_path(const char *prefix, if (file_exists(filename)) die("Path '%s' exists on disk, but not in '%.*s'.", filename, object_name_len, object_name); - if (errno == ENOENT || errno == ENOTDIR) { + if (is_missing_file_error(errno)) { char *fullname = xstrfmt("%s%s", prefix, filename); if (!get_tree_entry(tree_sha1, fullname, @@ -1473,7 +1473,7 @@ static void diagnose_invalid_index_path(int stage, if (file_exists(filename)) die("Path '%s' exists on disk, but not in the index.", filename); - if (errno == ENOENT || errno == ENOTDIR) + if (is_missing_file_error(errno)) die("Path '%s' does not exist (neither on disk nor in the index).", filename); @@ -1511,6 +1511,7 @@ static int get_sha1_with_context_1(const char *name, memset(oc, 0, sizeof(*oc)); oc->mode = S_IFINVALID; + strbuf_init(&oc->symlink_path, 0); ret = get_sha1_1(name, namelen, sha1, flags); if (!ret) return ret; @@ -1549,7 +1550,8 @@ static int get_sha1_with_context_1(const char *name, namelen = strlen(cp); } - strlcpy(oc->path, cp, sizeof(oc->path)); + if (flags & GET_SHA1_RECORD_PATH) + oc->path = xstrdup(cp); if (!active_cache) read_cache(); @@ -1612,7 +1614,8 @@ static int get_sha1_with_context_1(const char *name, } } hashcpy(oc->tree, tree_sha1); - strlcpy(oc->path, filename, sizeof(oc->path)); + if (flags & GET_SHA1_RECORD_PATH) + oc->path = xstrdup(filename); free(new_filename); return ret; @@ -1638,9 +1641,9 @@ void maybe_die_on_misspelt_object_name(const char *name, const char *prefix) get_sha1_with_context_1(name, GET_SHA1_ONLY_TO_DIE, prefix, sha1, &oc); } -int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *orc) +int get_sha1_with_context(const char *str, unsigned flags, unsigned char *sha1, struct object_context *oc) { if (flags & GET_SHA1_FOLLOW_SYMLINKS && flags & GET_SHA1_ONLY_TO_DIE) die("BUG: incompatible flags for get_sha1_with_context"); - return get_sha1_with_context_1(str, flags, NULL, sha1, orc); + return get_sha1_with_context_1(str, flags, NULL, sha1, oc); }
diff --git a/sha1dc/.gitattributes b/sha1dc/.gitattributes new file mode 100644 index 0000000..da53f40 --- /dev/null +++ b/sha1dc/.gitattributes
@@ -0,0 +1 @@ +* whitespace=-indent-with-non-tab
diff --git a/sha1dc/sha1.c b/sha1dc/sha1.c index 35e9dd5..facea1b 100644 --- a/sha1dc/sha1.c +++ b/sha1dc/sha1.c
@@ -5,9 +5,23 @@ * https://opensource.org/licenses/MIT ***/ -#include "cache.h" -#include "sha1dc/sha1.h" -#include "sha1dc/ubc_check.h" +#ifndef SHA1DC_NO_STANDARD_INCLUDES +#include <string.h> +#include <memory.h> +#include <stdio.h> +#include <stdlib.h> +#endif + +#ifdef SHA1DC_CUSTOM_INCLUDE_SHA1_C +#include SHA1DC_CUSTOM_INCLUDE_SHA1_C +#endif + +#ifndef SHA1DC_INIT_SAFE_HASH_DEFAULT +#define SHA1DC_INIT_SAFE_HASH_DEFAULT 1 +#endif + +#include "sha1.h" +#include "ubc_check.h" /* @@ -18,15 +32,48 @@ If you are compiling on a big endian platform and your compiler does not define one of these, you will have to add whatever macros your tool chain defines to indicate Big-Endianness. */ -#if (defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN)) || \ - (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)) || \ - defined(__BIG_ENDIAN__) || defined(__ARMEB__) || defined(__THUMBEB__) || defined(__AARCH64EB__) || \ - defined(_MIPSEB) || defined(__MIPSEB) || defined(__MIPSEB__) - -#define SHA1DC_BIGENDIAN 1 -#else +#ifdef SHA1DC_BIGENDIAN #undef SHA1DC_BIGENDIAN -#endif /*ENDIANNESS SELECTION*/ +#endif + +#if (defined(_BYTE_ORDER) || defined(__BYTE_ORDER) || defined(__BYTE_ORDER__)) + +#if ((defined(_BYTE_ORDER) && (_BYTE_ORDER == _BIG_ENDIAN)) || \ + (defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN)) || \ + (defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __BIG_ENDIAN__)) ) +#define SHA1DC_BIGENDIAN +#endif + +#else + +#if (defined(_BIG_ENDIAN) || defined(__BIG_ENDIAN) || defined(__BIG_ENDIAN__) || \ + defined(__ARMEB__) || defined(__THUMBEB__) || defined(__AARCH64EB__) || \ + defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || \ + defined(__sparc)) +#define SHA1DC_BIGENDIAN +#endif + +#endif + +#if (defined(SHA1DC_FORCE_LITTLEENDIAN) && defined(SHA1DC_BIGENDIAN)) +#undef SHA1DC_BIGENDIAN +#endif +#if (defined(SHA1DC_FORCE_BIGENDIAN) && !defined(SHA1DC_BIGENDIAN)) +#define SHA1DC_BIGENDIAN +#endif +/*ENDIANNESS SELECTION*/ + +#if (defined SHA1DC_FORCE_UNALIGNED_ACCESS || \ + defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || \ + defined(i386) || defined(__i386) || defined(__i386__) || defined(__i486__) || \ + defined(__i586__) || defined(__i686__) || defined(_M_IX86) || defined(__X86__) || \ + defined(_X86_) || defined(__THW_INTEL__) || defined(__I86__) || defined(__INTEL__) || \ + defined(__386) || defined(_M_X64) || defined(_M_AMD64)) + +#define SHA1DC_ALLOW_UNALIGNED_ACCESS + +#endif /*UNALIGNMENT DETECTION*/ + #define rotate_right(x,n) (((x)>>(n))|((x)<<(32-(n)))) #define rotate_left(x,n) (((x)<<(n))|((x)>>(32-(n)))) @@ -36,11 +83,11 @@ #define sha1_mix(W, t) (rotate_left(W[t - 3] ^ W[t - 8] ^ W[t - 14] ^ W[t - 16], 1)) -#if defined(SHA1DC_BIGENDIAN) +#ifdef SHA1DC_BIGENDIAN #define sha1_load(m, t, temp) { temp = m[t]; } #else #define sha1_load(m, t, temp) { temp = m[t]; sha1_bswap32(temp); } -#endif /* !defined(SHA1DC_BIGENDIAN) */ +#endif #define sha1_store(W, t, x) *(volatile uint32_t *)&W[t] = x @@ -869,6 +916,11 @@ static void sha1recompress_fast_ ## t (uint32_t ihvin[5], uint32_t ihvout[5], co ihvout[0] = ihvin[0] + a; ihvout[1] = ihvin[1] + b; ihvout[2] = ihvin[2] + c; ihvout[3] = ihvin[3] + d; ihvout[4] = ihvin[4] + e; \ } +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable: 4127) /* Complier complains about the checks in the above macro being constant. */ +#endif + #ifdef DOSTORESTATE0 SHA1_RECOMPRESS(0) #endif @@ -1189,6 +1241,10 @@ SHA1_RECOMPRESS(78) SHA1_RECOMPRESS(79) #endif +#ifdef _MSC_VER +#pragma warning(pop) +#endif + static void sha1_recompression_step(uint32_t step, uint32_t ihvin[5], uint32_t ihvout[5], const uint32_t me2[80], const uint32_t state[5]) { switch (step) @@ -1662,7 +1718,7 @@ void SHA1DCInit(SHA1_CTX* ctx) ctx->ihv[3] = 0x10325476; ctx->ihv[4] = 0xC3D2E1F0; ctx->found_collision = 0; - ctx->safe_hash = 0; + ctx->safe_hash = SHA1DC_INIT_SAFE_HASH_DEFAULT; ctx->ubc_check = 1; ctx->detect_coll = 1; ctx->reduced_round_coll = 0; @@ -1710,6 +1766,7 @@ void SHA1DCSetCallback(SHA1_CTX* ctx, collision_block_callback callback) void SHA1DCUpdate(SHA1_CTX* ctx, const char* buf, size_t len) { unsigned left, fill; + if (len == 0) return; @@ -1728,7 +1785,13 @@ void SHA1DCUpdate(SHA1_CTX* ctx, const char* buf, size_t len) while (len >= 64) { ctx->total += 64; + +#if defined(SHA1DC_ALLOW_UNALIGNED_ACCESS) sha1_process(ctx, (uint32_t*)(buf)); +#else + memcpy(ctx->buffer, buf, 64); + sha1_process(ctx, (uint32_t*)(ctx->buffer)); +#endif /* defined(SHA1DC_ALLOW_UNALIGNED_ACCESS) */ buf += 64; len -= 64; } @@ -1788,22 +1851,6 @@ int SHA1DCFinal(unsigned char output[20], SHA1_CTX *ctx) return ctx->found_collision; } -void git_SHA1DCFinal(unsigned char hash[20], SHA1_CTX *ctx) -{ - if (!SHA1DCFinal(hash, ctx)) - return; - die("SHA-1 appears to be part of a collision attack: %s", - sha1_to_hex(hash)); -} - -void git_SHA1DCUpdate(SHA1_CTX *ctx, const void *vdata, unsigned long len) -{ - const char *data = vdata; - /* We expect an unsigned long, but sha1dc only takes an int */ - while (len > INT_MAX) { - SHA1DCUpdate(ctx, data, INT_MAX); - data += INT_MAX; - len -= INT_MAX; - } - SHA1DCUpdate(ctx, data, len); -} +#ifdef SHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_C +#include SHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_C +#endif
diff --git a/sha1dc/sha1.h b/sha1dc/sha1.h index bd8bd92..1e4e94b 100644 --- a/sha1dc/sha1.h +++ b/sha1dc/sha1.h
@@ -4,6 +4,7 @@ * See accompanying file LICENSE.txt or copy at * https://opensource.org/licenses/MIT ***/ + #ifndef SHA1DC_SHA1_H #define SHA1DC_SHA1_H @@ -11,36 +12,30 @@ extern "C" { #endif -/* uses SHA-1 message expansion to expand the first 16 words of W[] to 80 words */ -/* void sha1_message_expansion(uint32_t W[80]); */ +#ifndef SHA1DC_NO_STANDARD_INCLUDES +#include <stdint.h> +#endif -/* sha-1 compression function; first version takes a message block pre-parsed as 16 32-bit integers, second version takes an already expanded message) */ -/* void sha1_compression(uint32_t ihv[5], const uint32_t m[16]); -void sha1_compression_W(uint32_t ihv[5], const uint32_t W[80]); */ - -/* same as sha1_compression_W, but additionally store intermediate states */ +/* sha-1 compression function that takes an already expanded message, and additionally store intermediate states */ /* only stores states ii (the state between step ii-1 and step ii) when DOSTORESTATEii is defined in ubc_check.h */ void sha1_compression_states(uint32_t[5], const uint32_t[16], uint32_t[80], uint32_t[80][5]); /* -// function type for sha1_recompression_step_T (uint32_t ihvin[5], uint32_t ihvout[5], const uint32_t me2[80], const uint32_t state[5]) -// where 0 <= T < 80 -// me2 is an expanded message (the expansion of an original message block XOR'ed with a disturbance vector's message block difference) -// state is the internal state (a,b,c,d,e) before step T of the SHA-1 compression function while processing the original message block -// the function will return: -// ihvin: the reconstructed input chaining value -// ihvout: the reconstructed output chaining value +// Function type for sha1_recompression_step_T (uint32_t ihvin[5], uint32_t ihvout[5], const uint32_t me2[80], const uint32_t state[5]). +// Where 0 <= T < 80 +// me2 is an expanded message (the expansion of an original message block XOR'ed with a disturbance vector's message block difference.) +// state is the internal state (a,b,c,d,e) before step T of the SHA-1 compression function while processing the original message block. +// The function will return: +// ihvin: The reconstructed input chaining value. +// ihvout: The reconstructed output chaining value. */ typedef void(*sha1_recompression_type)(uint32_t*, uint32_t*, const uint32_t*, const uint32_t*); -/* table of sha1_recompression_step_0, ... , sha1_recompression_step_79 */ -/* extern sha1_recompression_type sha1_recompression_step[80];*/ - -/* a callback function type that can be set to be called when a collision block has been found: */ +/* A callback function type that can be set to be called when a collision block has been found: */ /* void collision_block_callback(uint64_t byteoffset, const uint32_t ihvin1[5], const uint32_t ihvin2[5], const uint32_t m1[80], const uint32_t m2[80]) */ typedef void(*collision_block_callback)(uint64_t, const uint32_t*, const uint32_t*, const uint32_t*, const uint32_t*); -/* the SHA-1 context */ +/* The SHA-1 context. */ typedef struct { uint64_t total; uint32_t ihv[5]; @@ -59,30 +54,34 @@ typedef struct { uint32_t states[80][5]; } SHA1_CTX; -/* initialize SHA-1 context */ +/* Initialize SHA-1 context. */ void SHA1DCInit(SHA1_CTX*); /* -// function to enable safe SHA-1 hashing: -// collision attacks are thwarted by hashing a detected near-collision block 3 times -// think of it as extending SHA-1 from 80-steps to 240-steps for such blocks: -// the best collision attacks against SHA-1 have complexity about 2^60, -// thus for 240-steps an immediate lower-bound for the best cryptanalytic attacks would 2^180 -// an attacker would be better off using a generic birthday search of complexity 2^80 -// -// enabling safe SHA-1 hashing will result in the correct SHA-1 hash for messages where no collision attack was detected -// but it will result in a different SHA-1 hash for messages where a collision attack was detected -// this will automatically invalidate SHA-1 based digital signature forgeries -// enabled by default + Function to enable safe SHA-1 hashing: + Collision attacks are thwarted by hashing a detected near-collision block 3 times. + Think of it as extending SHA-1 from 80-steps to 240-steps for such blocks: + The best collision attacks against SHA-1 have complexity about 2^60, + thus for 240-steps an immediate lower-bound for the best cryptanalytic attacks would be 2^180. + An attacker would be better off using a generic birthday search of complexity 2^80. + + Enabling safe SHA-1 hashing will result in the correct SHA-1 hash for messages where no collision attack was detected, + but it will result in a different SHA-1 hash for messages where a collision attack was detected. + This will automatically invalidate SHA-1 based digital signature forgeries. + Enabled by default. */ void SHA1DCSetSafeHash(SHA1_CTX*, int); -/* function to disable or enable the use of Unavoidable Bitconditions (provides a significant speed up) */ -/* enabled by default */ +/* + Function to disable or enable the use of Unavoidable Bitconditions (provides a significant speed up). + Enabled by default + */ void SHA1DCSetUseUBC(SHA1_CTX*, int); -/* function to disable or enable the use of Collision Detection */ -/* enabled by default */ +/* + Function to disable or enable the use of Collision Detection. + Enabled by default. + */ void SHA1DCSetUseDetectColl(SHA1_CTX*, int); /* function to disable or enable the detection of reduced-round SHA-1 collisions */ @@ -100,23 +99,12 @@ void SHA1DCUpdate(SHA1_CTX*, const char*, size_t); /* returns: 0 = no collision detected, otherwise = collision found => warn user for active attack */ int SHA1DCFinal(unsigned char[20], SHA1_CTX*); -/* - * Same as SHA1DCFinal, but convert collision attack case into a verbose die(). - */ -void git_SHA1DCFinal(unsigned char [20], SHA1_CTX *); - -/* - * Same as SHA1DCUpdate, but adjust types to match git's usual interface. - */ -void git_SHA1DCUpdate(SHA1_CTX *ctx, const void *data, unsigned long len); - -#define platform_SHA_CTX SHA1_CTX -#define platform_SHA1_Init SHA1DCInit -#define platform_SHA1_Update git_SHA1DCUpdate -#define platform_SHA1_Final git_SHA1DCFinal - #if defined(__cplusplus) } #endif -#endif /* SHA1DC_SHA1_H */ +#ifdef SHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_H +#include SHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_H +#endif + +#endif
diff --git a/sha1dc/ubc_check.c b/sha1dc/ubc_check.c index 089dd47..b3beff2 100644 --- a/sha1dc/ubc_check.c +++ b/sha1dc/ubc_check.c
@@ -24,8 +24,13 @@ // ubc_check has been verified against ubc_check_verify using the 'ubc_check_test' program in the tools section */ -#include "git-compat-util.h" -#include "sha1dc/ubc_check.h" +#ifndef SHA1DC_NO_STANDARD_INCLUDES +#include <stdint.h> +#endif +#ifdef SHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C +#include SHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C +#endif +#include "ubc_check.h" static const uint32_t DV_I_43_0_bit = (uint32_t)(1) << 0; static const uint32_t DV_I_44_0_bit = (uint32_t)(1) << 1; @@ -361,3 +366,7 @@ if (mask) { dvmask[0]=mask; } + +#ifdef SHA1DC_CUSTOM_TRAILING_INCLUDE_UBC_CHECK_C +#include SHA1DC_CUSTOM_TRAILING_INCLUDE_UBC_CHECK_C +#endif
diff --git a/sha1dc/ubc_check.h b/sha1dc/ubc_check.h index b64c306..d7e17dc 100644 --- a/sha1dc/ubc_check.h +++ b/sha1dc/ubc_check.h
@@ -20,13 +20,17 @@ // thus one needs to do the recompression check for each DV that has its bit set */ -#ifndef UBC_CHECK_H -#define UBC_CHECK_H +#ifndef SHA1DC_UBC_CHECK_H +#define SHA1DC_UBC_CHECK_H #if defined(__cplusplus) extern "C" { #endif +#ifndef SHA1DC_NO_STANDARD_INCLUDES +#include <stdint.h> +#endif + #define DVMASKSIZE 1 typedef struct { int dvType; int dvK; int dvB; int testt; int maski; int maskb; uint32_t dm[80]; } dv_info_t; extern dv_info_t sha1_dvs[]; @@ -41,4 +45,8 @@ void ubc_check(const uint32_t W[80], uint32_t dvmask[DVMASKSIZE]); } #endif -#endif /* UBC_CHECK_H */ +#ifdef SHA1DC_CUSTOM_TRAILING_INCLUDE_UBC_CHECK_H +#include SHA1DC_CUSTOM_TRAILING_INCLUDE_UBC_CHECK_H +#endif + +#endif
diff --git a/sha1dc_git.c b/sha1dc_git.c new file mode 100644 index 0000000..4d32b4f --- /dev/null +++ b/sha1dc_git.c
@@ -0,0 +1,24 @@ +/* + * This code is included at the end of sha1dc/sha1.c with the + * SHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_C macro. + */ + +void git_SHA1DCFinal(unsigned char hash[20], SHA1_CTX *ctx) +{ + if (!SHA1DCFinal(hash, ctx)) + return; + die("SHA-1 appears to be part of a collision attack: %s", + sha1_to_hex(hash)); +} + +void git_SHA1DCUpdate(SHA1_CTX *ctx, const void *vdata, unsigned long len) +{ + const char *data = vdata; + /* We expect an unsigned long, but sha1dc only takes an int */ + while (len > INT_MAX) { + SHA1DCUpdate(ctx, data, INT_MAX); + data += INT_MAX; + len -= INT_MAX; + } + SHA1DCUpdate(ctx, data, len); +}
diff --git a/sha1dc_git.h b/sha1dc_git.h new file mode 100644 index 0000000..a8a5c1d --- /dev/null +++ b/sha1dc_git.h
@@ -0,0 +1,19 @@ +/* + * This code is included at the end of sha1dc/sha1.h with the + * SHA1DC_CUSTOM_TRAILING_INCLUDE_SHA1_H macro. + */ + +/* + * Same as SHA1DCFinal, but convert collision attack case into a verbose die(). + */ +void git_SHA1DCFinal(unsigned char [20], SHA1_CTX *); + +/* + * Same as SHA1DCUpdate, but adjust types to match git's usual interface. + */ +void git_SHA1DCUpdate(SHA1_CTX *ctx, const void *data, unsigned long len); + +#define platform_SHA_CTX SHA1_CTX +#define platform_SHA1_Init SHA1DCInit +#define platform_SHA1_Update git_SHA1DCUpdate +#define platform_SHA1_Final git_SHA1DCFinal
diff --git a/shallow.c b/shallow.c index 25b6db9..ef7ca78 100644 --- a/shallow.c +++ b/shallow.c
@@ -27,13 +27,13 @@ void set_alternate_shallow_file(const char *path, int override) alternate_shallow_file = xstrdup_or_null(path); } -int register_shallow(const unsigned char *sha1) +int register_shallow(const struct object_id *oid) { struct commit_graft *graft = xmalloc(sizeof(struct commit_graft)); - struct commit *commit = lookup_commit(sha1); + struct commit *commit = lookup_commit(oid); - hashcpy(graft->oid.hash, sha1); + oidcpy(&graft->oid, oid); graft->nr_parent = -1; if (commit && commit->object.parsed) commit->parents = NULL; @@ -65,10 +65,10 @@ int is_repository_shallow(void) is_shallow = 1; while (fgets(buf, sizeof(buf), fp)) { - unsigned char sha1[20]; - if (get_sha1_hex(buf, sha1)) + struct object_id oid; + if (get_oid_hex(buf, &oid)) die("bad shallow line: %s", buf); - register_shallow(sha1); + register_shallow(&oid); } fclose(fp); return is_shallow; @@ -241,7 +241,7 @@ static int write_one_shallow(const struct commit_graft *graft, void *cb_data) if (graft->nr_parent != -1) return 0; if (data->flags & SEEN_ONLY) { - struct commit *c = lookup_commit(graft->oid.hash); + struct commit *c = lookup_commit(&graft->oid); if (!c || !(c->object.flags & SEEN)) { if (data->flags & VERBOSE) printf("Removing %s from .git/shallow\n", @@ -466,18 +466,22 @@ static uint32_t *paint_alloc(struct paint_info *info) * UNINTERESTING or BOTTOM is hit. Set the id-th bit in ref_bitmap for * all walked commits. */ -static void paint_down(struct paint_info *info, const unsigned char *sha1, +static void paint_down(struct paint_info *info, const struct object_id *oid, unsigned int id) { unsigned int i, nr; struct commit_list *head = NULL; int bitmap_nr = (info->nr_bits + 31) / 32; size_t bitmap_size = st_mult(sizeof(uint32_t), bitmap_nr); - uint32_t *tmp = xmalloc(bitmap_size); /* to be freed before return */ - uint32_t *bitmap = paint_alloc(info); - struct commit *c = lookup_commit_reference_gently(sha1, 1); + struct commit *c = lookup_commit_reference_gently(oid, 1); + uint32_t *tmp; /* to be freed before return */ + uint32_t *bitmap; + if (!c) return; + + tmp = xmalloc(bitmap_size); + bitmap = paint_alloc(info); memset(bitmap, 0, bitmap_size); bitmap[id / 32] |= (1U << (id % 32)); commit_list_insert(c, &head); @@ -531,7 +535,7 @@ static void paint_down(struct paint_info *info, const unsigned char *sha1, static int mark_uninteresting(const char *refname, const struct object_id *oid, int flags, void *cb_data) { - struct commit *commit = lookup_commit_reference_gently(oid->hash, 1); + struct commit *commit = lookup_commit_reference_gently(oid, 1); if (!commit) return 0; commit->object.flags |= UNINTERESTING; @@ -599,18 +603,18 @@ void assign_shallow_commits_to_refs(struct shallow_info *info, /* Mark potential bottoms so we won't go out of bound */ for (i = 0; i < nr_shallow; i++) { - struct commit *c = lookup_commit(oid[shallow[i]].hash); + struct commit *c = lookup_commit(&oid[shallow[i]]); c->object.flags |= BOTTOM; } for (i = 0; i < ref->nr; i++) - paint_down(&pi, ref->oid[i].hash, i); + paint_down(&pi, ref->oid + i, i); if (used) { int bitmap_size = ((pi.nr_bits + 31) / 32) * sizeof(uint32_t); memset(used, 0, sizeof(*used) * info->shallow->nr); for (i = 0; i < nr_shallow; i++) { - const struct commit *c = lookup_commit(oid[shallow[i]].hash); + const struct commit *c = lookup_commit(&oid[shallow[i]]); uint32_t **map = ref_bitmap_at(&pi.ref_bitmap, c); if (*map) used[shallow[i]] = xmemdupz(*map, bitmap_size); @@ -641,7 +645,7 @@ static int add_ref(const char *refname, const struct object_id *oid, { struct commit_array *ca = cb_data; ALLOC_GROW(ca->commits, ca->nr + 1, ca->alloc); - ca->commits[ca->nr] = lookup_commit_reference_gently(oid->hash, 1); + ca->commits[ca->nr] = lookup_commit_reference_gently(oid, 1); if (ca->commits[ca->nr]) ca->nr++; return 0; @@ -679,7 +683,7 @@ static void post_assign_shallow(struct shallow_info *info, for (i = dst = 0; i < info->nr_theirs; i++) { if (i != dst) info->theirs[dst] = info->theirs[i]; - c = lookup_commit(oid[info->theirs[i]].hash); + c = lookup_commit(&oid[info->theirs[i]]); bitmap = ref_bitmap_at(ref_bitmap, c); if (!*bitmap) continue; @@ -700,7 +704,7 @@ static void post_assign_shallow(struct shallow_info *info, for (i = dst = 0; i < info->nr_ours; i++) { if (i != dst) info->ours[dst] = info->ours[i]; - c = lookup_commit(oid[info->ours[i]].hash); + c = lookup_commit(&oid[info->ours[i]]); bitmap = ref_bitmap_at(ref_bitmap, c); if (!*bitmap) continue; @@ -722,7 +726,7 @@ static void post_assign_shallow(struct shallow_info *info, int delayed_reachability_test(struct shallow_info *si, int c) { if (si->need_reachability_test[c]) { - struct commit *commit = lookup_commit(si->shallow->oid[c].hash); + struct commit *commit = lookup_commit(&si->shallow->oid[c]); if (!si->commits) { struct commit_array ca;
diff --git a/split-index.c b/split-index.c index f519e60..49bd197 100644 --- a/split-index.c +++ b/split-index.c
@@ -73,10 +73,17 @@ void move_cache_to_base_index(struct index_state *istate) int i; /* - * do not delete old si->base, its index entries may be shared - * with istate->cache[]. Accept a bit of leaking here because - * this code is only used by short-lived update-index. + * If "si" is shared with another index_state (e.g. by + * unpack-trees code), we will need to duplicate split_index + * struct. It's not happening now though, luckily. */ + assert(si->refcount <= 1); + + unshare_split_index(istate, 0); + if (si->base) { + discard_index(si->base); + free(si->base); + } si->base = xcalloc(1, sizeof(*si->base)); si->base->version = istate->version; /* zero timestamp disables racy test in ce_write_index() */ @@ -275,11 +282,41 @@ void finish_writing_split_index(struct index_state *istate) istate->cache_nr = si->saved_cache_nr; } +void unshare_split_index(struct index_state *istate, int discard) +{ + struct split_index *si = istate->split_index; + int i; + + if (!si || !si->base) + return; + + for (i = 0; i < istate->cache_nr; i++) { + struct cache_entry *ce = istate->cache[i]; + struct cache_entry *new = NULL; + + if (!ce->index || + ce->index > si->base->cache_nr || + ce != si->base->cache[ce->index - 1]) + continue; + + if (!discard) { + int len = ce_namelen(ce); + new = xcalloc(1, cache_entry_size(len)); + copy_cache_entry(new, ce); + memcpy(new->name, ce->name, len); + new->index = 0; + } + istate->cache[i] = new; + } +} + + void discard_split_index(struct index_state *istate) { struct split_index *si = istate->split_index; if (!si) return; + unshare_split_index(istate, 0); istate->split_index = NULL; si->refcount--; if (si->refcount) @@ -328,14 +365,8 @@ void add_split_index(struct index_state *istate) void remove_split_index(struct index_state *istate) { - if (istate->split_index) { - /* - * can't discard_split_index(&the_index); because that - * will destroy split_index->base->cache[], which may - * be shared with the_index.cache[]. So yeah we're - * leaking a bit here. - */ - istate->split_index = NULL; - istate->cache_changed |= SOMETHING_CHANGED; - } + if (!istate->split_index) + return; + discard_split_index(istate); + istate->cache_changed |= SOMETHING_CHANGED; }
diff --git a/split-index.h b/split-index.h index df91c1b..65c0f09 100644 --- a/split-index.h +++ b/split-index.h
@@ -33,5 +33,6 @@ void finish_writing_split_index(struct index_state *istate); void discard_split_index(struct index_state *istate); void add_split_index(struct index_state *istate); void remove_split_index(struct index_state *istate); +void unshare_split_index(struct index_state *istate, int discard); #endif
diff --git a/string-list.c b/string-list.c index 003ca18..c650500 100644 --- a/string-list.c +++ b/string-list.c
@@ -64,6 +64,24 @@ struct string_list_item *string_list_insert(struct string_list *list, const char return list->items + index; } +void string_list_remove(struct string_list *list, const char *string, + int free_util) +{ + int exact_match; + int i = get_entry_index(list, string, &exact_match); + + if (exact_match) { + if (list->strdup_strings) + free(list->items[i].string); + if (free_util) + free(list->items[i].util); + + list->nr--; + memmove(list->items + i, list->items + i + 1, + (list->nr - i) * sizeof(struct string_list_item)); + } +} + int string_list_has_string(const struct string_list *list, const char *string) { int exact_match;
diff --git a/string-list.h b/string-list.h index d3809a1..29bfb7a 100644 --- a/string-list.h +++ b/string-list.h
@@ -63,6 +63,13 @@ int string_list_find_insert_index(const struct string_list *list, const char *st struct string_list_item *string_list_insert(struct string_list *list, const char *string); /* + * Removes the given string from the sorted list. + * If the string doesn't exist, the list is not altered. + */ +extern void string_list_remove(struct string_list *list, const char *string, + int free_util); + +/* * Checks if the given string is part of a sorted list. If it is part of the list, * return the coresponding string_list_item, NULL otherwise. */
diff --git a/sub-process.c b/sub-process.c new file mode 100644 index 0000000..92f8aea --- /dev/null +++ b/sub-process.c
@@ -0,0 +1,106 @@ +/* + * Generic implementation of background process infrastructure. + */ +#include "sub-process.h" +#include "sigchain.h" +#include "pkt-line.h" + +int cmd2process_cmp(const struct subprocess_entry *e1, + const struct subprocess_entry *e2, + const void *unused) +{ + return strcmp(e1->cmd, e2->cmd); +} + +struct subprocess_entry *subprocess_find_entry(struct hashmap *hashmap, const char *cmd) +{ + struct subprocess_entry key; + + hashmap_entry_init(&key, strhash(cmd)); + key.cmd = cmd; + return hashmap_get(hashmap, &key, NULL); +} + +int subprocess_read_status(int fd, struct strbuf *status) +{ + struct strbuf **pair; + char *line; + int len; + + for (;;) { + len = packet_read_line_gently(fd, NULL, &line); + if ((len < 0) || !line) + break; + pair = strbuf_split_str(line, '=', 2); + if (pair[0] && pair[0]->len && pair[1]) { + /* the last "status=<foo>" line wins */ + if (!strcmp(pair[0]->buf, "status=")) { + strbuf_reset(status); + strbuf_addbuf(status, pair[1]); + } + } + strbuf_list_free(pair); + } + + return (len < 0) ? len : 0; +} + +void subprocess_stop(struct hashmap *hashmap, struct subprocess_entry *entry) +{ + if (!entry) + return; + + entry->process.clean_on_exit = 0; + kill(entry->process.pid, SIGTERM); + finish_command(&entry->process); + + hashmap_remove(hashmap, entry, NULL); +} + +static void subprocess_exit_handler(struct child_process *process) +{ + sigchain_push(SIGPIPE, SIG_IGN); + /* Closing the pipe signals the subprocess to initiate a shutdown. */ + close(process->in); + close(process->out); + sigchain_pop(SIGPIPE); + /* Finish command will wait until the shutdown is complete. */ + finish_command(process); +} + +int subprocess_start(struct hashmap *hashmap, struct subprocess_entry *entry, const char *cmd, + subprocess_start_fn startfn) +{ + int err; + struct child_process *process; + const char *argv[] = { cmd, NULL }; + + entry->cmd = cmd; + process = &entry->process; + + child_process_init(process); + process->argv = argv; + process->use_shell = 1; + process->in = -1; + process->out = -1; + process->clean_on_exit = 1; + process->clean_on_exit_handler = subprocess_exit_handler; + + err = start_command(process); + if (err) { + error("cannot fork to run subprocess '%s'", cmd); + return err; + } + + hashmap_entry_init(entry, strhash(cmd)); + + err = startfn(entry); + if (err) { + error("initialization for subprocess '%s' failed", cmd); + subprocess_stop(hashmap, entry); + return err; + } + + hashmap_add(hashmap, entry); + return 0; +}
diff --git a/sub-process.h b/sub-process.h new file mode 100644 index 0000000..7d451e1 --- /dev/null +++ b/sub-process.h
@@ -0,0 +1,49 @@ +#ifndef SUBPROCESS_H +#define SUBPROCESS_H + +#include "git-compat-util.h" +#include "hashmap.h" +#include "run-command.h" + +/* + * Generic implementation of background process infrastructure. + * See Documentation/technical/api-background-process.txt. + */ + + /* data structures */ + +struct subprocess_entry { + struct hashmap_entry ent; /* must be the first member! */ + const char *cmd; + struct child_process process; +}; + +/* subprocess functions */ + +int cmd2process_cmp(const struct subprocess_entry *e1, + const struct subprocess_entry *e2, const void *unused); + +typedef int(*subprocess_start_fn)(struct subprocess_entry *entry); +int subprocess_start(struct hashmap *hashmap, struct subprocess_entry *entry, const char *cmd, + subprocess_start_fn startfn); + +void subprocess_stop(struct hashmap *hashmap, struct subprocess_entry *entry); + +struct subprocess_entry *subprocess_find_entry(struct hashmap *hashmap, const char *cmd); + +/* subprocess helper functions */ + +static inline struct child_process *subprocess_get_child_process( + struct subprocess_entry *entry) +{ + return &entry->process; +} + +/* + * Helper function that will read packets looking for "status=<foo>" + * key/value pairs and return the value from the last "status" packet + */ + +int subprocess_read_status(int fd, struct strbuf *status); + +#endif
diff --git a/submodule.c b/submodule.c index 2b157dc..1b8a3b5 100644 --- a/submodule.c +++ b/submodule.c
@@ -335,6 +335,69 @@ int is_submodule_populated_gently(const char *path, int *return_error_code) return ret; } +/* + * Dies if the provided 'prefix' corresponds to an unpopulated submodule + */ +void die_in_unpopulated_submodule(const struct index_state *istate, + const char *prefix) +{ + int i, prefixlen; + + if (!prefix) + return; + + prefixlen = strlen(prefix); + + for (i = 0; i < istate->cache_nr; i++) { + struct cache_entry *ce = istate->cache[i]; + int ce_len = ce_namelen(ce); + + if (!S_ISGITLINK(ce->ce_mode)) + continue; + if (prefixlen <= ce_len) + continue; + if (strncmp(ce->name, prefix, ce_len)) + continue; + if (prefix[ce_len] != '/') + continue; + + die(_("in unpopulated submodule '%s'"), ce->name); + } +} + +/* + * Dies if any paths in the provided pathspec descends into a submodule + */ +void die_path_inside_submodule(const struct index_state *istate, + const struct pathspec *ps) +{ + int i, j; + + for (i = 0; i < istate->cache_nr; i++) { + struct cache_entry *ce = istate->cache[i]; + int ce_len = ce_namelen(ce); + + if (!S_ISGITLINK(ce->ce_mode)) + continue; + + for (j = 0; j < ps->nr ; j++) { + const struct pathspec_item *item = &ps->items[j]; + + if (item->len <= ce_len) + continue; + if (item->match[ce_len] != '/') + continue; + if (strncmp(ce->name, item->match, ce_len)) + continue; + if (item->len == ce_len + 1) + continue; + + die(_("Pathspec '%s' is in submodule '%.*s'"), + item->original, ce_len, ce->name); + } + } +} + int parse_submodule_update_strategy(const char *value, struct submodule_update_strategy *dst) { @@ -500,8 +563,8 @@ static void show_submodule_header(FILE *f, const char *path, * Attempt to lookup the commit references, and determine if this is * a fast forward or fast backwards update. */ - *left = lookup_commit_reference(one->hash); - *right = lookup_commit_reference(two->hash); + *left = lookup_commit_reference(one); + *right = lookup_commit_reference(two); /* * Warn about missing commits in the submodule project, but only if @@ -607,7 +670,8 @@ void show_submodule_inline_diff(FILE *f, const char *path, cp.no_stdin = 1; /* TODO: other options may need to be passed here. */ - argv_array_push(&cp.args, "diff"); + argv_array_pushl(&cp.args, "diff", "--submodule=diff", NULL); + argv_array_pushf(&cp.args, "--line-prefix=%s", line_prefix); if (DIFF_OPT_TST(o, REVERSE_DIFF)) { argv_array_pushf(&cp.args, "--src-prefix=%s%s/", @@ -770,7 +834,7 @@ static int check_has_commit(const struct object_id *oid, void *data) { int *has_commit = data; - if (!lookup_commit_reference(oid->hash)) + if (!lookup_commit_reference(oid)) *has_commit = 0; return 0; @@ -1404,7 +1468,7 @@ static int submodule_has_dirty_index(const struct submodule *sub) { struct child_process cp = CHILD_PROCESS_INIT; - prepare_submodule_repo_env_no_git_dir(&cp.env_array); + prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; argv_array_pushl(&cp.args, "diff-index", "--quiet", @@ -1421,7 +1485,7 @@ static int submodule_has_dirty_index(const struct submodule *sub) static void submodule_reset_index(const char *path) { struct child_process cp = CHILD_PROCESS_INIT; - prepare_submodule_repo_env_no_git_dir(&cp.env_array); + prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; cp.no_stdin = 1; @@ -1502,7 +1566,7 @@ int submodule_move_head(const char *path, } } - prepare_submodule_repo_env_no_git_dir(&cp.env_array); + prepare_submodule_repo_env(&cp.env_array); cp.git_cmd = 1; cp.no_stdin = 1; @@ -1510,7 +1574,7 @@ int submodule_move_head(const char *path, argv_array_pushf(&cp.args, "--super-prefix=%s%s/", get_super_prefix_or_empty(), path); - argv_array_pushl(&cp.args, "read-tree", NULL); + argv_array_pushl(&cp.args, "read-tree", "--recurse-submodules", NULL); if (flags & SUBMODULE_MOVE_HEAD_DRY_RUN) argv_array_push(&cp.args, "-n"); @@ -1532,15 +1596,16 @@ int submodule_move_head(const char *path, if (!(flags & SUBMODULE_MOVE_HEAD_DRY_RUN)) { if (new) { - struct child_process cp1 = CHILD_PROCESS_INIT; + child_process_init(&cp); /* also set the HEAD accordingly */ - cp1.git_cmd = 1; - cp1.no_stdin = 1; - cp1.dir = path; + cp.git_cmd = 1; + cp.no_stdin = 1; + cp.dir = path; - argv_array_pushl(&cp1.args, "update-ref", "HEAD", new, NULL); + prepare_submodule_repo_env(&cp.env_array); + argv_array_pushl(&cp.args, "update-ref", "HEAD", new, NULL); - if (run_command(&cp1)) { + if (run_command(&cp)) { ret = -1; goto out; } @@ -1630,9 +1695,9 @@ static void print_commit(struct commit *commit) #define MERGE_WARNING(path, msg) \ warning("Failed to merge submodule %s (%s)", path, msg); -int merge_submodule(unsigned char result[20], const char *path, - const unsigned char base[20], const unsigned char a[20], - const unsigned char b[20], int search) +int merge_submodule(struct object_id *result, const char *path, + const struct object_id *base, const struct object_id *a, + const struct object_id *b, int search) { struct commit *commit_base, *commit_a, *commit_b; int parent_count; @@ -1641,14 +1706,14 @@ int merge_submodule(unsigned char result[20], const char *path, int i; /* store a in result in case we fail */ - hashcpy(result, a); + oidcpy(result, a); /* we can not handle deletion conflicts */ - if (is_null_sha1(base)) + if (is_null_oid(base)) return 0; - if (is_null_sha1(a)) + if (is_null_oid(a)) return 0; - if (is_null_sha1(b)) + if (is_null_oid(b)) return 0; if (add_submodule_odb(path)) { @@ -1672,11 +1737,11 @@ int merge_submodule(unsigned char result[20], const char *path, /* Case #1: a is contained in b or vice versa */ if (in_merge_bases(commit_a, commit_b)) { - hashcpy(result, b); + oidcpy(result, b); return 1; } if (in_merge_bases(commit_b, commit_a)) { - hashcpy(result, a); + oidcpy(result, a); return 1; }
diff --git a/submodule.h b/submodule.h index d920ca1..cbe5c17 100644 --- a/submodule.h +++ b/submodule.h
@@ -55,6 +55,10 @@ extern int is_submodule_initialized(const char *path); * Otherwise the return error code is the same as of resolve_gitdir_gently. */ extern int is_submodule_populated_gently(const char *path, int *return_error_code); +extern void die_in_unpopulated_submodule(const struct index_state *istate, + const char *prefix); +extern void die_path_inside_submodule(const struct index_state *istate, + const struct pathspec *ps); extern int parse_submodule_update_strategy(const char *value, struct submodule_update_strategy *dst); extern const char *submodule_strategy_to_string(const struct submodule_update_strategy *s); @@ -89,10 +93,10 @@ extern int submodule_uses_gitfile(const char *path); #define SUBMODULE_REMOVAL_IGNORE_UNTRACKED (1<<1) #define SUBMODULE_REMOVAL_IGNORE_IGNORED_UNTRACKED (1<<2) extern int bad_to_remove_submodule(const char *path, unsigned flags); -extern int merge_submodule(unsigned char result[20], const char *path, - const unsigned char base[20], - const unsigned char a[20], - const unsigned char b[20], int search); +extern int merge_submodule(struct object_id *result, const char *path, + const struct object_id *base, + const struct object_id *a, + const struct object_id *b, int search); extern int find_unpushed_submodules(struct oid_array *commits, const char *remotes_name, struct string_list *needs_pushing);
diff --git a/t/.gitattributes b/t/.gitattributes index 2d44088..3bd959a 100644 --- a/t/.gitattributes +++ b/t/.gitattributes
@@ -1,2 +1,22 @@ t[0-9][0-9][0-9][0-9]/* -whitespace -t0110/url-* binary +/diff-lib/* eol=lf +/t0110/url-* binary +/t3900/*.txt eol=lf +/t3901/*.txt eol=lf +/t4034/*/* eol=lf +/t4013/* eol=lf +/t4018/* eol=lf +/t4051/* eol=lf +/t4100/* eol=lf +/t4101/* eol=lf +/t4109/* eol=lf +/t4110/* eol=lf +/t4135/* eol=lf +/t4211/* eol=lf +/t4252/* eol=lf +/t5100/* eol=lf +/t5515/* eol=lf +/t556x_common eol=lf +/t7500/* eol=lf +/t8005/*.txt eol=lf +/t9*/*.dump eol=lf
diff --git a/t/helper/test-dump-cache-tree.c b/t/helper/test-dump-cache-tree.c index 7af116d..ebf3aab 100644 --- a/t/helper/test-dump-cache-tree.c +++ b/t/helper/test-dump-cache-tree.c
@@ -10,7 +10,7 @@ static void dump_one(struct cache_tree *it, const char *pfx, const char *x) "invalid", x, pfx, it->subtree_nr); else printf("%s %s%s (%d entries, %d subtrees)\n", - sha1_to_hex(it->sha1), x, pfx, + oid_to_hex(&it->oid), x, pfx, it->entry_count, it->subtree_nr); } @@ -32,7 +32,7 @@ static int dump_cache_tree(struct cache_tree *it, } else { dump_one(it, pfx, ""); - if (hashcmp(it->sha1, ref->sha1) || + if (oidcmp(&it->oid, &ref->oid) || ref->entry_count != it->entry_count || ref->subtree_nr != it->subtree_nr) { /* claims to be valid but is lying */
diff --git a/t/helper/test-match-trees.c b/t/helper/test-match-trees.c index e939502..356d8ed 100644 --- a/t/helper/test-match-trees.c +++ b/t/helper/test-match-trees.c
@@ -12,10 +12,10 @@ int cmd_main(int ac, const char **av) die("cannot parse %s as an object name", av[1]); if (get_oid(av[2], &hash2)) die("cannot parse %s as an object name", av[2]); - one = parse_tree_indirect(hash1.hash); + one = parse_tree_indirect(&hash1); if (!one) die("not a tree-ish %s", av[1]); - two = parse_tree_indirect(hash2.hash); + two = parse_tree_indirect(&hash2); if (!two) die("not a tree-ish %s", av[2]);
diff --git a/t/helper/test-ref-store.c b/t/helper/test-ref-store.c index fba85e7..05d8c4d 100644 --- a/t/helper/test-ref-store.c +++ b/t/helper/test-ref-store.c
@@ -93,12 +93,13 @@ static int cmd_create_symref(struct ref_store *refs, const char **argv) static int cmd_delete_refs(struct ref_store *refs, const char **argv) { unsigned int flags = arg_flags(*argv++, "flags"); + const char *msg = *argv++; struct string_list refnames = STRING_LIST_INIT_NODUP; while (*argv) string_list_append(&refnames, *argv++); - return refs_delete_refs(refs, &refnames, flags); + return refs_delete_refs(refs, msg, &refnames, flags); } static int cmd_rename_ref(struct ref_store *refs, const char **argv)
diff --git a/t/lib-submodule-update.sh b/t/lib-submodule-update.sh index 52beada..2d26f86 100755 --- a/t/lib-submodule-update.sh +++ b/t/lib-submodule-update.sh
@@ -789,11 +789,6 @@ then RESULTDS=failure fi - RESULTR=success - if test "$KNOWN_FAILURE_SUBMODULE_RECURSIVE_NESTED" = 1 - then - RESULTR=failure - fi RESULTOI=success if test "$KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED" = 1 then @@ -1017,7 +1012,7 @@ ' # recursing deeper than one level doesn't work yet. - test_expect_$RESULTR "$command: modified submodule updates submodule recursively" ' + test_expect_success "$command: modified submodule updates submodule recursively" ' prolog && reset_work_tree_to_interested add_nested_sub && (
diff --git a/t/perf/README b/t/perf/README index 0b6a8d2..21321a0 100644 --- a/t/perf/README +++ b/t/perf/README
@@ -121,6 +121,7 @@ After that you will want to use some of the following: + test_perf_fresh_repo # sets up an empty repository test_perf_default_repo # sets up a "normal" repository test_perf_large_repo # sets up a "large" repository
diff --git a/t/perf/p0004-lazy-init-name-hash.sh b/t/perf/p0004-lazy-init-name-hash.sh index 5afa8c8..8de5a98 100755 --- a/t/perf/p0004-lazy-init-name-hash.sh +++ b/t/perf/p0004-lazy-init-name-hash.sh
@@ -7,13 +7,50 @@ test_checkout_worktree test_expect_success 'verify both methods build the same hashmaps' ' - $GIT_BUILD_DIR/t/helper/test-lazy-init-name-hash$X --dump --single | sort >out.single && - $GIT_BUILD_DIR/t/helper/test-lazy-init-name-hash$X --dump --multi | sort >out.multi && - test_cmp out.single out.multi + test-lazy-init-name-hash --dump --single >out.single && + if test-lazy-init-name-hash --dump --multi >out.multi + then + test_set_prereq REPO_BIG_ENOUGH_FOR_MULTI && + sort <out.single >sorted.single && + sort <out.multi >sorted.multi && + test_cmp sorted.single sorted.multi + fi ' -test_expect_success 'multithreaded should be faster' ' - $GIT_BUILD_DIR/t/helper/test-lazy-init-name-hash$X --perf >out.perf +test_expect_success 'calibrate' ' + entries=$(wc -l <out.single) && + + case $entries in + ?) count=1000000 ;; + ??) count=100000 ;; + ???) count=10000 ;; + ????) count=1000 ;; + ?????) count=100 ;; + ??????) count=10 ;; + *) count=1 ;; + esac && + export count && + + case $entries in + 1) entries_desc="1 entry" ;; + *) entries_desc="$entries entries" ;; + esac && + + case $count in + 1) count_desc="1 round" ;; + *) count_desc="$count rounds" ;; + esac && + + desc="$entries_desc, $count_desc" && + export desc ' +test_perf "single-threaded, $desc" " + test-lazy-init-name-hash --single --count=$count +" + +test_perf REPO_BIG_ENOUGH_FOR_MULTI "multi-threaded, $desc" " + test-lazy-init-name-hash --multi --count=$count +" + test_done
diff --git a/t/perf/p0100-globbing.sh b/t/perf/p0100-globbing.sh new file mode 100755 index 0000000..dd18a9c --- /dev/null +++ b/t/perf/p0100-globbing.sh
@@ -0,0 +1,43 @@ +#!/bin/sh + +test_description="Tests pathological globbing performance + +Shows how Git's globbing performance performs when given the sort of +pathological patterns described in at https://research.swtch.com/glob +" + +. ./perf-lib.sh + +test_globs_big='10 25 50 75 100' +test_globs_small='1 2 3 4 5 6' + +test_perf_fresh_repo + +test_expect_success 'setup' ' + for i in $(test_seq 1 100) + do + printf "a" >>refname && + for j in $(test_seq 1 $i) + do + printf "a*" >>refglob.$i + done && + echo b >>refglob.$i + done && + test_commit test $(cat refname).t "" $(cat refname).t +' + +for i in $test_globs_small +do + test_perf "refglob((a*)^nb) against tag (a^100).t; n = $i" ' + git for-each-ref "refs/tags/$(cat refglob.'$i')b" + ' +done + +for i in $test_globs_small +do + test_perf "fileglob((a*)^nb) against file (a^100).t; n = $i" ' + git ls-files "$(cat refglob.'$i')b" + ' +done + +test_done
diff --git a/t/perf/p3400-rebase.sh b/t/perf/p3400-rebase.sh index b3e7d52..ce271ca 100755 --- a/t/perf/p3400-rebase.sh +++ b/t/perf/p3400-rebase.sh
@@ -5,7 +5,7 @@ test_perf_default_repo -test_expect_success 'setup' ' +test_expect_success 'setup rebasing on top of a lot of changes' ' git checkout -f -b base && git checkout -b to-rebase && git checkout -b upstream && @@ -33,4 +33,24 @@ git rebase --onto base HEAD^ ' +test_expect_success 'setup rebasing many changes without split-index' ' + git config core.splitIndex false && + git checkout -b upstream2 to-rebase && + git checkout -b to-rebase2 upstream +' + +test_perf 'rebase a lot of unrelated changes without split-index' ' + git rebase --onto upstream2 base && + git rebase --onto base upstream2 +' + +test_expect_success 'setup rebasing many changes with split-index' ' + git config core.splitIndex true +' + +test_perf 'rebase a lot of unrelated changes with split-index' ' + git rebase --onto upstream2 base && + git rebase --onto base upstream2 +' + test_done
diff --git a/t/perf/perf-lib.sh b/t/perf/perf-lib.sh index ab4b8b0..b6fc880 100644 --- a/t/perf/perf-lib.sh +++ b/t/perf/perf-lib.sh
@@ -78,6 +78,10 @@ GIT_PERF_LARGE_REPO=$TEST_DIRECTORY/.. fi +test_perf_do_repo_symlink_config_ () { + test_have_prereq SYMLINKS || git config core.symlinks false +} + test_perf_create_repo_from () { test "$#" = 2 || error "bug in the test script: not 2 parameters to test-create-repo" @@ -102,15 +106,22 @@ ) && ( cd "$repo" && - "$MODERN_GIT" init -q && { - test_have_prereq SYMLINKS || - git config core.symlinks false - } && + "$MODERN_GIT" init -q && + test_perf_do_repo_symlink_config_ && mv .git/hooks .git/hooks-disabled 2>/dev/null ) || error "failed to copy repository '$source' to '$repo'" } # call at least one of these to establish an appropriately-sized repository +test_perf_fresh_repo () { + repo="${1:-$TRASH_DIRECTORY}" + "$MODERN_GIT" init -q "$repo" && + ( + cd "$repo" && + test_perf_do_repo_symlink_config_ + ) +} + test_perf_default_repo () { test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_REPO" }
diff --git a/t/t0061-run-command.sh b/t/t0061-run-command.sh index 12228b4..e473917 100755 --- a/t/t0061-run-command.sh +++ b/t/t0061-run-command.sh
@@ -26,6 +26,47 @@ test_cmp empty err ' +test_expect_success !MINGW 'run_command can run a script without a #! line' ' + cat >hello <<-\EOF && + cat hello-script + EOF + chmod +x hello && + test-run-command run-command ./hello >actual 2>err && + + test_cmp hello-script actual && + test_cmp empty err +' + +test_expect_success 'run_command does not try to execute a directory' ' + test_when_finished "rm -rf bin1 bin2" && + mkdir -p bin1/greet bin2 && + write_script bin2/greet <<-\EOF && + cat bin2/greet + EOF + + PATH=$PWD/bin1:$PWD/bin2:$PATH \ + test-run-command run-command greet >actual 2>err && + test_cmp bin2/greet actual && + test_cmp empty err +' + +test_expect_success POSIXPERM 'run_command passes over non-executable file' ' + test_when_finished "rm -rf bin1 bin2" && + mkdir -p bin1 bin2 && + write_script bin1/greet <<-\EOF && + cat bin1/greet + EOF + chmod -x bin1/greet && + write_script bin2/greet <<-\EOF && + cat bin2/greet + EOF + + PATH=$PWD/bin1:$PWD/bin2:$PATH \ + test-run-command run-command greet >actual 2>err && + test_cmp bin2/greet actual && + test_cmp empty err +' + test_expect_success POSIXPERM 'run_command reports EACCES' ' cat hello-script >hello.sh && chmod -x hello.sh &&
diff --git a/t/t0203-gettext-setlocale-sanity.sh b/t/t0203-gettext-setlocale-sanity.sh index a212460..71b0d74 100755 --- a/t/t0203-gettext-setlocale-sanity.sh +++ b/t/t0203-gettext-setlocale-sanity.sh
@@ -8,7 +8,7 @@ . ./lib-gettext.sh test_expect_success 'git show a ISO-8859-1 commit under C locale' ' - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && test_commit "iso-c-commit" iso-under-c && git show >out 2>err && ! test -s err && @@ -16,7 +16,7 @@ ' test_expect_success GETTEXT_LOCALE 'git show a ISO-8859-1 commit under a UTF-8 locale' ' - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && test_commit "iso-utf8-commit" iso-under-utf8 && LANGUAGE=is LC_ALL="$is_IS_locale" git show >out 2>err && ! test -s err &&
diff --git a/t/t1013-read-tree-submodule.sh b/t/t1013-read-tree-submodule.sh index 2c8d620..91a6faf 100755 --- a/t/t1013-read-tree-submodule.sh +++ b/t/t1013-read-tree-submodule.sh
@@ -5,7 +5,6 @@ . ./test-lib.sh . "$TEST_DIRECTORY"/lib-submodule-update.sh -KNOWN_FAILURE_SUBMODULE_RECURSIVE_NESTED=1 KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS=1 KNOWN_FAILURE_SUBMODULE_OVERWRITE_IGNORED_UNTRACKED=1
diff --git a/t/t1300-repo-config.sh b/t/t1300-repo-config.sh index afcca0d..13b7851 100755 --- a/t/t1300-repo-config.sh +++ b/t/t1300-repo-config.sh
@@ -1539,4 +1539,10 @@ test_cmp expect output ' +test_expect_success '--local requires a repo' ' + # we expect 128 to ensure that we do not simply + # fail to find anything and return code "1" + test_expect_code 128 nongit git config --local foo.bar +' + test_done
diff --git a/t/t1305-config-include.sh b/t/t1305-config-include.sh index 933915e..d9d2f54 100755 --- a/t/t1305-config-include.sh +++ b/t/t1305-config-include.sh
@@ -273,6 +273,29 @@ ) ' +test_expect_success SYMLINKS 'conditional include, gitdir matching symlink' ' + ln -s foo bar && + ( + cd bar && + echo "[includeIf \"gitdir:bar/\"]path=bar7" >>.git/config && + echo "[test]seven=7" >.git/bar7 && + echo 7 >expect && + git config test.seven >actual && + test_cmp expect actual + ) +' + +test_expect_success SYMLINKS 'conditional include, gitdir matching symlink, icase' ' + ( + cd bar && + echo "[includeIf \"gitdir/i:BAR/\"]path=bar8" >>.git/config && + echo "[test]eight=8" >.git/bar8 && + echo 8 >expect && + git config test.eight >actual && + test_cmp expect actual + ) +' + test_expect_success 'include cycles are detected' ' cat >.gitconfig <<-\EOF && [test]value = gitconfig
diff --git a/t/t1405-main-ref-store.sh b/t/t1405-main-ref-store.sh index 490521f..e8115df 100755 --- a/t/t1405-main-ref-store.sh +++ b/t/t1405-main-ref-store.sh
@@ -31,7 +31,7 @@ test_expect_success 'delete_refs(FOO, refs/tags/new-tag)' ' git rev-parse FOO -- && git rev-parse refs/tags/new-tag -- && - $RUN delete-refs 0 FOO refs/tags/new-tag && + $RUN delete-refs 0 nothing FOO refs/tags/new-tag && test_must_fail git rev-parse FOO -- && test_must_fail git rev-parse refs/tags/new-tag -- '
diff --git a/t/t1406-submodule-ref-store.sh b/t/t1406-submodule-ref-store.sh index 13b5454..c32d4cc 100755 --- a/t/t1406-submodule-ref-store.sh +++ b/t/t1406-submodule-ref-store.sh
@@ -31,7 +31,7 @@ ' test_expect_success 'delete_refs() not allowed' ' - test_must_fail $RUN delete-refs 0 FOO refs/tags/new-tag + test_must_fail $RUN delete-refs 0 nothing FOO refs/tags/new-tag ' test_expect_success 'rename_refs() not allowed' '
diff --git a/t/t2013-checkout-submodule.sh b/t/t2013-checkout-submodule.sh index c962a02..6ef1573 100755 --- a/t/t2013-checkout-submodule.sh +++ b/t/t2013-checkout-submodule.sh
@@ -64,7 +64,6 @@ ' KNOWN_FAILURE_DIRECTORY_SUBMODULE_CONFLICTS=1 -KNOWN_FAILURE_SUBMODULE_RECURSIVE_NESTED=1 test_submodule_switch_recursing_with_args "checkout" test_submodule_forced_switch_recursing_with_args "checkout -f"
diff --git a/t/t3070-wildmatch.sh b/t/t3070-wildmatch.sh index ef509df..7ca69f4 100755 --- a/t/t3070-wildmatch.sh +++ b/t/t3070-wildmatch.sh
@@ -135,7 +135,6 @@ match 1 x 'f' '[[:xdigit:]]' match 1 x 'D' '[[:xdigit:]]' match 1 x '_' '[[:alnum:][:alpha:][:blank:][:cntrl:][:digit:][:graph:][:lower:][:print:][:punct:][:space:][:upper:][:xdigit:]]' -match 1 x '_' '[[:alnum:][:alpha:][:blank:][:cntrl:][:digit:][:graph:][:lower:][:print:][:punct:][:space:][:upper:][:xdigit:]]' match 1 x '.' '[^[:alnum:][:alpha:][:blank:][:cntrl:][:digit:][:lower:][:space:][:upper:][:xdigit:]]' match 1 x '5' '[a-c[:digit:]x-z]' match 1 x 'b' '[a-c[:digit:]x-z]'
diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh index fe62e7c..10f8f02 100755 --- a/t/t3200-branch.sh +++ b/t/t3200-branch.sh
@@ -338,7 +338,7 @@ test_expect_success 'config information was renamed, too' ' test $(git config branch.s.dummy) = Hello && - test_must_fail git config branch.s/s/dummy + test_must_fail git config branch.s/s.dummy ' test_expect_success 'deleting a symref' '
diff --git a/t/t3600-rm.sh b/t/t3600-rm.sh index 5f9913b..f8568f8 100755 --- a/t/t3600-rm.sh +++ b/t/t3600-rm.sh
@@ -97,9 +97,9 @@ embedded'" test_expect_success SANITY 'Test that "git rm -f" fails if its rm fails' ' + test_when_finished "chmod 775 ." && chmod a-w . && - test_must_fail git rm -f baz && - chmod 775 . + test_must_fail git rm -f baz ' test_expect_success \
diff --git a/t/t3901-i18n-patch.sh b/t/t3901-i18n-patch.sh index f663d56..923eb01 100755 --- a/t/t3901-i18n-patch.sh +++ b/t/t3901-i18n-patch.sh
@@ -31,7 +31,7 @@ # use UTF-8 in author and committer name to match the # i18n.commitencoding settings - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && test_tick && echo "$GIT_AUTHOR_NAME" >mine && @@ -55,7 +55,7 @@ # the second one on the side branch is ISO-8859-1 git config i18n.commitencoding ISO8859-1 && # use author and committer name in ISO-8859-1 to match it. - . "$TEST_DIRECTORY"/t3901-8859-1.txt + . "$TEST_DIRECTORY"/t3901/8859-1.txt fi && test_tick && echo Yet another >theirs && @@ -100,7 +100,7 @@ # The result will be committed by GIT_COMMITTER_NAME -- # we want UTF-8 encoded name. - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git checkout -b test && git rebase master && @@ -110,7 +110,7 @@ test_expect_success 'rebase (U/L)' ' git config i18n.commitencoding UTF-8 && git config i18n.logoutputencoding ISO8859-1 && - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git reset --hard side && git rebase master && @@ -122,7 +122,7 @@ # In this test we want ISO-8859-1 encoded commits as the result git config i18n.commitencoding ISO8859-1 && git config i18n.logoutputencoding ISO8859-1 && - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && git reset --hard side && git rebase master && @@ -135,7 +135,7 @@ # to get ISO-8859-1 results. git config i18n.commitencoding ISO8859-1 && git config i18n.logoutputencoding UTF-8 && - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && git reset --hard side && git rebase master && @@ -148,7 +148,7 @@ git config i18n.commitencoding UTF-8 && git config i18n.logoutputencoding UTF-8 && - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git reset --hard master && git cherry-pick side^ && @@ -163,7 +163,7 @@ git config i18n.commitencoding ISO8859-1 && git config i18n.logoutputencoding ISO8859-1 && - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && git reset --hard master && git cherry-pick side^ && @@ -178,7 +178,7 @@ git config i18n.commitencoding UTF-8 && git config i18n.logoutputencoding ISO8859-1 && - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git reset --hard master && git cherry-pick side^ && @@ -194,7 +194,7 @@ git config i18n.commitencoding ISO8859-1 && git config i18n.logoutputencoding UTF-8 && - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && git reset --hard master && git cherry-pick side^ && @@ -207,7 +207,7 @@ test_expect_success 'rebase --merge (U/U)' ' git config i18n.commitencoding UTF-8 && git config i18n.logoutputencoding UTF-8 && - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git reset --hard side && git rebase --merge master && @@ -218,7 +218,7 @@ test_expect_success 'rebase --merge (U/L)' ' git config i18n.commitencoding UTF-8 && git config i18n.logoutputencoding ISO8859-1 && - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git reset --hard side && git rebase --merge master && @@ -230,7 +230,7 @@ # In this test we want ISO-8859-1 encoded commits as the result git config i18n.commitencoding ISO8859-1 && git config i18n.logoutputencoding ISO8859-1 && - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && git reset --hard side && git rebase --merge master && @@ -243,7 +243,7 @@ # to get ISO-8859-1 results. git config i18n.commitencoding ISO8859-1 && git config i18n.logoutputencoding UTF-8 && - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && git reset --hard side && git rebase --merge master && @@ -254,7 +254,7 @@ test_expect_success 'am (U/U)' ' # Apply UTF-8 patches with UTF-8 commitencoding git config i18n.commitencoding UTF-8 && - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git reset --hard master && git am out-u1 out-u2 && @@ -265,7 +265,7 @@ test_expect_success !MINGW 'am (L/L)' ' # Apply ISO-8859-1 patches with ISO-8859-1 commitencoding git config i18n.commitencoding ISO8859-1 && - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && git reset --hard master && git am out-l1 out-l2 && @@ -276,7 +276,7 @@ test_expect_success 'am (U/L)' ' # Apply ISO-8859-1 patches with UTF-8 commitencoding git config i18n.commitencoding UTF-8 && - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git reset --hard master && # am specifies --utf8 by default. @@ -288,7 +288,7 @@ test_expect_success 'am --no-utf8 (U/L)' ' # Apply ISO-8859-1 patches with UTF-8 commitencoding git config i18n.commitencoding UTF-8 && - . "$TEST_DIRECTORY"/t3901-utf8.txt && + . "$TEST_DIRECTORY"/t3901/utf8.txt && git reset --hard master && git am --no-utf8 out-l1 out-l2 2>err && @@ -303,7 +303,7 @@ test_expect_success !MINGW 'am (L/U)' ' # Apply UTF-8 patches with ISO-8859-1 commitencoding git config i18n.commitencoding ISO8859-1 && - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && git reset --hard master && # mailinfo will re-code the commit message to the charset specified by
diff --git a/t/t3901-8859-1.txt b/t/t3901/8859-1.txt similarity index 100% rename from t/t3901-8859-1.txt rename to t/t3901/8859-1.txt
diff --git a/t/t3901-utf8.txt b/t/t3901/utf8.txt similarity index 100% rename from t/t3901-utf8.txt rename to t/t3901/utf8.txt
diff --git a/t/t4051-diff-function-context.sh b/t/t4051-diff-function-context.sh index 6154acb..3e6b485 100755 --- a/t/t4051-diff-function-context.sh +++ b/t/t4051-diff-function-context.sh
@@ -72,7 +72,8 @@ # overlap function context of 1st change and -u context of 2nd change grep -v "delete me from hello" <"$dir/hello.c" >file.c && - sed 2p <"$dir/dummy.c" >>file.c && + sed "2a\\ + extra line" <"$dir/dummy.c" >>file.c && commit_and_tag changed_hello_dummy file.c && git checkout initial &&
diff --git a/t/t4060-diff-submodule-option-diff-format.sh b/t/t4060-diff-submodule-option-diff-format.sh index d4a3ffa..33ec26d 100755 --- a/t/t4060-diff-submodule-option-diff-format.sh +++ b/t/t4060-diff-submodule-option-diff-format.sh
@@ -775,4 +775,45 @@ test_cmp expected actual ' +test_expect_success 'diff --submodule=diff recurses into nested submodules' ' + cat >expected <<-EOF && + Submodule sm2 contains modified content + Submodule sm2 a5a65c9..280969a: + diff --git a/sm2/.gitmodules b/sm2/.gitmodules + new file mode 100644 + index 0000000..3a816b8 + --- /dev/null + +++ b/sm2/.gitmodules + @@ -0,0 +1,3 @@ + +[submodule "nested"] + + path = nested + + url = ../sm2 + Submodule nested 0000000...b55928c (new submodule) + diff --git a/sm2/nested/file b/sm2/nested/file + new file mode 100644 + index 0000000..ca281f5 + --- /dev/null + +++ b/sm2/nested/file + @@ -0,0 +1 @@ + +nested content + diff --git a/sm2/nested/foo8 b/sm2/nested/foo8 + new file mode 100644 + index 0000000..db9916b + --- /dev/null + +++ b/sm2/nested/foo8 + @@ -0,0 +1 @@ + +foo8 + diff --git a/sm2/nested/foo9 b/sm2/nested/foo9 + new file mode 100644 + index 0000000..9c3b4f6 + --- /dev/null + +++ b/sm2/nested/foo9 + @@ -0,0 +1 @@ + +foo9 + EOF + git diff --submodule=diff >actual 2>err && + test_must_be_empty err && + test_cmp expected actual +' + test_done
diff --git a/t/t4061-diff-indent.sh b/t/t4061-diff-indent.sh index 5564506..2affd7a 100755 --- a/t/t4061-diff-indent.sh +++ b/t/t4061-diff-indent.sh
@@ -152,26 +152,28 @@ EOF ' +# --- diff tests ---------------------------------------------------------- + test_expect_success 'diff: ugly spaces' ' - git diff old new -- spaces.txt >out && + git diff --no-indent-heuristic old new -- spaces.txt >out && compare_diff spaces-expect out ' -test_expect_success 'diff: nice spaces with --indent-heuristic' ' - git diff --indent-heuristic old new -- spaces.txt >out-compacted && - compare_diff spaces-compacted-expect out-compacted -' - -test_expect_success 'diff: nice spaces with diff.indentHeuristic' ' - git -c diff.indentHeuristic=true diff old new -- spaces.txt >out-compacted2 && - compare_diff spaces-compacted-expect out-compacted2 -' - test_expect_success 'diff: --no-indent-heuristic overrides config' ' git -c diff.indentHeuristic=true diff --no-indent-heuristic old new -- spaces.txt >out2 && compare_diff spaces-expect out2 ' +test_expect_success 'diff: nice spaces with --indent-heuristic' ' + git -c diff.indentHeuristic=false diff --indent-heuristic old new -- spaces.txt >out-compacted && + compare_diff spaces-compacted-expect out-compacted +' + +test_expect_success 'diff: nice spaces with diff.indentHeuristic=true' ' + git -c diff.indentHeuristic=true diff old new -- spaces.txt >out-compacted2 && + compare_diff spaces-compacted-expect out-compacted2 +' + test_expect_success 'diff: --indent-heuristic with --patience' ' git diff --indent-heuristic --patience old new -- spaces.txt >out-compacted3 && compare_diff spaces-compacted-expect out-compacted3 @@ -183,7 +185,7 @@ ' test_expect_success 'diff: ugly functions' ' - git diff old new -- functions.c >out && + git diff --no-indent-heuristic old new -- functions.c >out && compare_diff functions-expect out ' @@ -192,25 +194,175 @@ compare_diff functions-compacted-expect out-compacted ' -test_expect_success 'blame: ugly spaces' ' - git blame old..new -- spaces.txt >out-blame && - compare_blame spaces-expect out-blame -' +# --- blame tests --------------------------------------------------------- test_expect_success 'blame: nice spaces with --indent-heuristic' ' git blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted && compare_blame spaces-compacted-expect out-blame-compacted ' -test_expect_success 'blame: nice spaces with diff.indentHeuristic' ' +test_expect_success 'blame: nice spaces with diff.indentHeuristic=true' ' git -c diff.indentHeuristic=true blame old..new -- spaces.txt >out-blame-compacted2 && compare_blame spaces-compacted-expect out-blame-compacted2 ' -test_expect_success 'blame: --no-indent-heuristic overrides config' ' - git -c diff.indentHeuristic=true blame --no-indent-heuristic old..new -- spaces.txt >out-blame2 && - git blame old..new -- spaces.txt >out-blame && +test_expect_success 'blame: ugly spaces with --no-indent-heuristic' ' + git blame --no-indent-heuristic old..new -- spaces.txt >out-blame && + compare_blame spaces-expect out-blame +' + +test_expect_success 'blame: ugly spaces with diff.indentHeuristic=false' ' + git -c diff.indentHeuristic=false blame old..new -- spaces.txt >out-blame2 && compare_blame spaces-expect out-blame2 ' +test_expect_success 'blame: --no-indent-heuristic overrides config' ' + git -c diff.indentHeuristic=true blame --no-indent-heuristic old..new -- spaces.txt >out-blame3 && + git blame old..new -- spaces.txt >out-blame && + compare_blame spaces-expect out-blame3 +' + +test_expect_success 'blame: --indent-heuristic overrides config' ' + git -c diff.indentHeuristic=false blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted3 && + compare_blame spaces-compacted-expect out-blame-compacted2 +' + +# --- diff-tree tests ----------------------------------------------------- + +test_expect_success 'diff-tree: nice spaces with --indent-heuristic' ' + git diff-tree --indent-heuristic -p old new -- spaces.txt >out-diff-tree-compacted && + compare_diff spaces-compacted-expect out-diff-tree-compacted +' + +test_expect_success 'diff-tree: nice spaces with diff.indentHeuristic=true' ' + git -c diff.indentHeuristic=true diff-tree -p old new -- spaces.txt >out-diff-tree-compacted2 && + compare_diff spaces-compacted-expect out-diff-tree-compacted2 +' + +test_expect_success 'diff-tree: ugly spaces with --no-indent-heuristic' ' + git diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree && + compare_diff spaces-expect out-diff-tree +' + +test_expect_success 'diff-tree: ugly spaces with diff.indentHeuristic=false' ' + git -c diff.indentHeuristic=false diff-tree -p old new -- spaces.txt >out-diff-tree2 && + compare_diff spaces-expect out-diff-tree2 +' + +test_expect_success 'diff-tree: --indent-heuristic overrides config' ' + git -c diff.indentHeuristic=false diff-tree --indent-heuristic -p old new -- spaces.txt >out-diff-tree-compacted3 && + compare_diff spaces-compacted-expect out-diff-tree-compacted3 +' + +test_expect_success 'diff-tree: --no-indent-heuristic overrides config' ' + git -c diff.indentHeuristic=true diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree3 && + compare_diff spaces-expect out-diff-tree3 +' + +# --- diff-index tests ---------------------------------------------------- + +test_expect_success 'diff-index: nice spaces with --indent-heuristic' ' + git checkout -B diff-index && + git reset --soft HEAD~ && + git diff-index --indent-heuristic -p old -- spaces.txt >out-diff-index-compacted && + compare_diff spaces-compacted-expect out-diff-index-compacted && + git checkout -f master +' + +test_expect_success 'diff-index: nice spaces with diff.indentHeuristic=true' ' + git checkout -B diff-index && + git reset --soft HEAD~ && + git -c diff.indentHeuristic=true diff-index -p old -- spaces.txt >out-diff-index-compacted2 && + compare_diff spaces-compacted-expect out-diff-index-compacted2 && + git checkout -f master +' + +test_expect_success 'diff-index: ugly spaces with --no-indent-heuristic' ' + git checkout -B diff-index && + git reset --soft HEAD~ && + git diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index && + compare_diff spaces-expect out-diff-index && + git checkout -f master +' + +test_expect_success 'diff-index: ugly spaces with diff.indentHeuristic=false' ' + git checkout -B diff-index && + git reset --soft HEAD~ && + git -c diff.indentHeuristic=false diff-index -p old -- spaces.txt >out-diff-index2 && + compare_diff spaces-expect out-diff-index2 && + git checkout -f master +' + +test_expect_success 'diff-index: --indent-heuristic overrides config' ' + git checkout -B diff-index && + git reset --soft HEAD~ && + git -c diff.indentHeuristic=false diff-index --indent-heuristic -p old -- spaces.txt >out-diff-index-compacted3 && + compare_diff spaces-compacted-expect out-diff-index-compacted3 && + git checkout -f master +' + +test_expect_success 'diff-index: --no-indent-heuristic overrides config' ' + git checkout -B diff-index && + git reset --soft HEAD~ && + git -c diff.indentHeuristic=true diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index3 && + compare_diff spaces-expect out-diff-index3 && + git checkout -f master +' + +# --- diff-files tests ---------------------------------------------------- + +test_expect_success 'diff-files: nice spaces with --indent-heuristic' ' + git checkout -B diff-files && + git reset HEAD~ && + git diff-files --indent-heuristic -p spaces.txt >out-diff-files-raw && + grep -v index out-diff-files-raw >out-diff-files-compacted && + compare_diff spaces-compacted-expect out-diff-files-compacted && + git checkout -f master +' + +test_expect_success 'diff-files: nice spaces with diff.indentHeuristic=true' ' + git checkout -B diff-files && + git reset HEAD~ && + git -c diff.indentHeuristic=true diff-files -p spaces.txt >out-diff-files-raw2 && + grep -v index out-diff-files-raw2 >out-diff-files-compacted2 && + compare_diff spaces-compacted-expect out-diff-files-compacted2 && + git checkout -f master +' + +test_expect_success 'diff-files: ugly spaces with --no-indent-heuristic' ' + git checkout -B diff-files && + git reset HEAD~ && + git diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw && + grep -v index out-diff-files-raw >out-diff-files && + compare_diff spaces-expect out-diff-files && + git checkout -f master +' + +test_expect_success 'diff-files: ugly spaces with diff.indentHeuristic=false' ' + git checkout -B diff-files && + git reset HEAD~ && + git -c diff.indentHeuristic=false diff-files -p spaces.txt >out-diff-files-raw2 && + grep -v index out-diff-files-raw2 >out-diff-files && + compare_diff spaces-expect out-diff-files && + git checkout -f master +' + +test_expect_success 'diff-files: --indent-heuristic overrides config' ' + git checkout -B diff-files && + git reset HEAD~ && + git -c diff.indentHeuristic=false diff-files --indent-heuristic -p spaces.txt >out-diff-files-raw3 && + grep -v index out-diff-files-raw3 >out-diff-files-compacted && + compare_diff spaces-compacted-expect out-diff-files-compacted && + git checkout -f master +' + +test_expect_success 'diff-files: --no-indent-heuristic overrides config' ' + git checkout -B diff-files && + git reset HEAD~ && + git -c diff.indentHeuristic=true diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw4 && + grep -v index out-diff-files-raw4 >out-diff-files && + compare_diff spaces-expect out-diff-files && + git checkout -f master +' + test_done
diff --git a/t/t4063-diff-blobs.sh b/t/t4063-diff-blobs.sh new file mode 100755 index 0000000..bc69e26 --- /dev/null +++ b/t/t4063-diff-blobs.sh
@@ -0,0 +1,96 @@ +#!/bin/sh + +test_description='test direct comparison of blobs via git-diff' +. ./test-lib.sh + +run_diff () { + # use full-index to make it easy to match the index line + git diff --full-index "$@" >diff +} + +check_index () { + grep "^index $1\\.\\.$2" diff +} + +check_mode () { + grep "^old mode $1" diff && + grep "^new mode $2" diff +} + +check_paths () { + grep "^diff --git a/$1 b/$2" diff +} + +test_expect_success 'create some blobs' ' + echo one >one && + echo two >two && + chmod +x two && + git add . && + + # cover systems where modes are ignored + git update-index --chmod=+x two && + + git commit -m base && + + sha1_one=$(git rev-parse HEAD:one) && + sha1_two=$(git rev-parse HEAD:two) +' + +test_expect_success 'diff by sha1' ' + run_diff $sha1_one $sha1_two +' +test_expect_success 'index of sha1 diff' ' + check_index $sha1_one $sha1_two +' +test_expect_success 'sha1 diff uses arguments as paths' ' + check_paths $sha1_one $sha1_two +' +test_expect_success 'sha1 diff has no mode change' ' + ! grep mode diff +' + +test_expect_success 'diff by tree:path (run)' ' + run_diff HEAD:one HEAD:two +' +test_expect_success 'index of tree:path diff' ' + check_index $sha1_one $sha1_two +' +test_expect_success 'tree:path diff uses filenames as paths' ' + check_paths one two +' +test_expect_success 'tree:path diff shows mode change' ' + check_mode 100644 100755 +' + +test_expect_success 'diff by ranged tree:path' ' + run_diff HEAD:one..HEAD:two +' +test_expect_success 'index of ranged tree:path diff' ' + check_index $sha1_one $sha1_two +' +test_expect_success 'ranged tree:path diff uses filenames as paths' ' + check_paths one two +' +test_expect_success 'ranged tree:path diff shows mode change' ' + check_mode 100644 100755 +' + +test_expect_success 'diff blob against file' ' + run_diff HEAD:one two +' +test_expect_success 'index of blob-file diff' ' + check_index $sha1_one $sha1_two +' +test_expect_success 'blob-file diff uses filename as paths' ' + check_paths one two +' +test_expect_success FILEMODE 'blob-file diff shows mode change' ' + check_mode 100644 100755 +' + +test_expect_success 'blob-file diff prefers filename to sha1' ' + run_diff $sha1_one two && + check_paths two two +' + +test_done
diff --git a/t/t4202-log.sh b/t/t4202-log.sh index c44c433..66606e7 100755 --- a/t/t4202-log.sh +++ b/t/t4202-log.sh
@@ -547,7 +547,7 @@ | | | | Merge branch 'side' | | -| * commit side +| * commit tags/side-2 | | Author: A U Thor <author@example.com> | | | | side-2 @@ -1540,4 +1540,13 @@ test_cmp expect actual ' +test_expect_success 'log --source paints symmetric ranges' ' + cat >expect <<-\EOF && + 09e12a9 source-b three + 8e393e1 source-a two + EOF + git log --oneline --source source-a...source-b >actual && + test_cmp expect actual +' + test_done
diff --git a/t/t5310-pack-bitmaps.sh b/t/t5310-pack-bitmaps.sh index 424bec7..20e2473 100755 --- a/t/t5310-pack-bitmaps.sh +++ b/t/t5310-pack-bitmaps.sh
@@ -20,11 +20,13 @@ } test_expect_success 'setup repo with moderate-sized history' ' - for i in $(test_seq 1 10); do + for i in $(test_seq 1 10) + do test_commit $i done && git checkout -b other HEAD~5 && - for i in $(test_seq 1 10); do + for i in $(test_seq 1 10) + do test_commit side-$i done && git checkout master && @@ -104,7 +106,8 @@ ' test_expect_success 'setup further non-bitmapped commits' ' - for i in $(test_seq 1 10); do + for i in $(test_seq 1 10) + do test_commit further-$i done ' @@ -289,4 +292,43 @@ git -C no-bitmaps.git fetch .. HEAD ' +test_expect_success 'set up reusable pack' ' + rm -f .git/objects/pack/*.keep && + git repack -adb && + reusable_pack () { + git for-each-ref --format="%(objectname)" | + git pack-objects --delta-base-offset --revs --stdout "$@" + } +' + +test_expect_success 'pack reuse respects --honor-pack-keep' ' + test_when_finished "rm -f .git/objects/pack/*.keep" && + for i in .git/objects/pack/*.pack + do + >${i%.pack}.keep + done && + reusable_pack --honor-pack-keep >empty.pack && + git index-pack empty.pack && + >expect && + git show-index <empty.idx >actual && + test_cmp expect actual +' + +test_expect_success 'pack reuse respects --local' ' + mv .git/objects/pack/* alt.git/objects/pack/ && + test_when_finished "mv alt.git/objects/pack/* .git/objects/pack/" && + reusable_pack --local >empty.pack && + git index-pack empty.pack && + >expect && + git show-index <empty.idx >actual && + test_cmp expect actual +' + +test_expect_success 'pack reuse respects --incremental' ' + reusable_pack --incremental >empty.pack && + git index-pack empty.pack && + >expect && + git show-index <empty.idx >actual && + test_cmp expect actual +' test_done
diff --git a/t/t5400-send-pack.sh b/t/t5400-send-pack.sh index 3331e0f..d375d71 100755 --- a/t/t5400-send-pack.sh +++ b/t/t5400-send-pack.sh
@@ -288,7 +288,10 @@ $shared .have EOF - GIT_TRACE_PACKET=$(pwd)/trace git push fork HEAD:foo && + GIT_TRACE_PACKET=$(pwd)/trace \ + git push \ + --receive-pack="unset GIT_TRACE_PACKET; git-receive-pack" \ + fork HEAD:foo && extract_ref_advertisement <trace >refs && test_cmp expect refs '
diff --git a/t/t5500-fetch-pack.sh b/t/t5500-fetch-pack.sh index b5865b3..80a1a32 100755 --- a/t/t5500-fetch-pack.sh +++ b/t/t5500-fetch-pack.sh
@@ -547,6 +547,41 @@ git fetch-pack hidden $(git -C hidden rev-parse refs/hidden/one) ' +test_expect_success 'fetch-pack can fetch a raw sha1 that is advertised as a ref' ' + rm -rf server client && + git init server && + test_commit -C server 1 && + + git init client && + git -C client fetch-pack ../server \ + $(git -C server rev-parse refs/heads/master) +' + +test_expect_success 'fetch-pack can fetch a raw sha1 overlapping a named ref' ' + rm -rf server client && + git init server && + test_commit -C server 1 && + test_commit -C server 2 && + + git init client && + git -C client fetch-pack ../server \ + $(git -C server rev-parse refs/tags/1) refs/tags/1 +' + +test_expect_success 'fetch-pack cannot fetch a raw sha1 that is not advertised as a ref' ' + rm -rf server && + + git init server && + test_commit -C server 5 && + git -C server tag -d 5 && + test_commit -C server 6 && + + git init client && + test_must_fail git -C client fetch-pack ../server \ + $(git -C server rev-parse refs/heads/master^) 2>err && + test_i18ngrep "Server does not allow request for unadvertised object" err +' + check_prot_path () { cat >expected <<-EOF && Diag: url=$1
diff --git a/t/t5520-pull.sh b/t/t5520-pull.sh index 17f4d0f..f15f7a3 100755 --- a/t/t5520-pull.sh +++ b/t/t5520-pull.sh
@@ -272,6 +272,24 @@ test_cmp reflog.expected reflog.fuzzy ' +test_expect_success '--rebase --autostash fast forward' ' + test_when_finished " + git reset --hard + git checkout to-rebase + git branch -D to-rebase-ff + git branch -D behind" && + git branch behind && + git checkout -b to-rebase-ff && + echo another modification >>file && + git add file && + git commit -m mod && + + git checkout behind && + echo dirty >file && + git pull --rebase --autostash . to-rebase-ff && + test "$(git rev-parse HEAD)" = "$(git rev-parse to-rebase-ff)" +' + test_expect_success '--rebase with conflicts shows advice' ' test_when_finished "git rebase --abort; git checkout -f to-rebase" && git checkout -b seq &&
diff --git a/t/t5531-deep-submodule-push.sh b/t/t5531-deep-submodule-push.sh index 712c595..beff65b 100755 --- a/t/t5531-deep-submodule-push.sh +++ b/t/t5531-deep-submodule-push.sh
@@ -1,6 +1,6 @@ #!/bin/sh -test_description='unpack-objects' +test_description='test push with submodules' . ./test-lib.sh @@ -27,7 +27,7 @@ ) ' -test_expect_success push ' +test_expect_success 'push works with recorded gitlink' ' ( cd work && git push ../pub.git master
diff --git a/t/t5545-push-options.sh b/t/t5545-push-options.sh index f9232f5..90a4b0d 100755 --- a/t/t5545-push-options.sh +++ b/t/t5545-push-options.sh
@@ -3,8 +3,6 @@ test_description='pushing to a repository using push options' . ./test-lib.sh -. "$TEST_DIRECTORY"/lib-httpd.sh -start_httpd mk_repo_pair () { rm -rf workbench upstream && @@ -102,46 +100,6 @@ test_cmp expect upstream/.git/hooks/post-receive.push_options ' -test_expect_success 'push option denied properly by http server' ' - test_when_finished "rm -rf test_http_clone" && - test_when_finished "rm -rf \"$HTTPD_DOCUMENT_ROOT_PATH\"/upstream.git" && - mk_repo_pair && - git -C upstream config receive.advertisePushOptions false && - git -C upstream config http.receivepack true && - cp -R upstream/.git "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git && - git clone "$HTTPD_URL"/smart/upstream test_http_clone && - test_commit -C test_http_clone one && - test_must_fail git -C test_http_clone push --push-option=asdf origin master 2>actual && - test_i18ngrep "the receiving end does not support push options" actual && - git -C test_http_clone push origin master -' - -test_expect_success 'push options work properly across http' ' - test_when_finished "rm -rf test_http_clone" && - test_when_finished "rm -rf \"$HTTPD_DOCUMENT_ROOT_PATH\"/upstream.git" && - mk_repo_pair && - git -C upstream config receive.advertisePushOptions true && - git -C upstream config http.receivepack true && - cp -R upstream/.git "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git && - git clone "$HTTPD_URL"/smart/upstream test_http_clone && - - test_commit -C test_http_clone one && - git -C test_http_clone push origin master && - git -C "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git rev-parse --verify master >expect && - git -C test_http_clone rev-parse --verify master >actual && - test_cmp expect actual && - - test_commit -C test_http_clone two && - git -C test_http_clone push --push-option=asdf --push-option="more structured text" origin master && - printf "asdf\nmore structured text\n" >expect && - test_cmp expect "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git/hooks/pre-receive.push_options && - test_cmp expect "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git/hooks/post-receive.push_options && - - git -C "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git rev-parse --verify master >expect && - git -C test_http_clone rev-parse --verify master >actual && - test_cmp expect actual -' - test_expect_success 'push options and submodules' ' test_when_finished "rm -rf parent" && test_when_finished "rm -rf parent_upstream" && @@ -182,6 +140,49 @@ test_cmp expect parent_upstream/.git/hooks/post-receive.push_options ' +. "$TEST_DIRECTORY"/lib-httpd.sh +start_httpd + +test_expect_success 'push option denied properly by http server' ' + test_when_finished "rm -rf test_http_clone" && + test_when_finished "rm -rf \"$HTTPD_DOCUMENT_ROOT_PATH\"/upstream.git" && + mk_repo_pair && + git -C upstream config receive.advertisePushOptions false && + git -C upstream config http.receivepack true && + cp -R upstream/.git "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git && + git clone "$HTTPD_URL"/smart/upstream test_http_clone && + test_commit -C test_http_clone one && + test_must_fail git -C test_http_clone push --push-option=asdf origin master 2>actual && + test_i18ngrep "the receiving end does not support push options" actual && + git -C test_http_clone push origin master +' + +test_expect_success 'push options work properly across http' ' + test_when_finished "rm -rf test_http_clone" && + test_when_finished "rm -rf \"$HTTPD_DOCUMENT_ROOT_PATH\"/upstream.git" && + mk_repo_pair && + git -C upstream config receive.advertisePushOptions true && + git -C upstream config http.receivepack true && + cp -R upstream/.git "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git && + git clone "$HTTPD_URL"/smart/upstream test_http_clone && + + test_commit -C test_http_clone one && + git -C test_http_clone push origin master && + git -C "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git rev-parse --verify master >expect && + git -C test_http_clone rev-parse --verify master >actual && + test_cmp expect actual && + + test_commit -C test_http_clone two && + git -C test_http_clone push --push-option=asdf --push-option="more structured text" origin master && + printf "asdf\nmore structured text\n" >expect && + test_cmp expect "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git/hooks/pre-receive.push_options && + test_cmp expect "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git/hooks/post-receive.push_options && + + git -C "$HTTPD_DOCUMENT_ROOT_PATH"/upstream.git rev-parse --verify master >expect && + git -C test_http_clone rev-parse --verify master >actual && + test_cmp expect actual +' + stop_httpd test_done
diff --git a/t/t5550-http-fetch-dumb.sh b/t/t5550-http-fetch-dumb.sh index 87308cd..8552184 100755 --- a/t/t5550-http-fetch-dumb.sh +++ b/t/t5550-http-fetch-dumb.sh
@@ -20,8 +20,9 @@ (cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" && git config core.bare true && mkdir -p hooks && - echo "exec git update-server-info" >hooks/post-update && - chmod +x hooks/post-update && + write_script "hooks/post-update" <<-\EOF && + exec git update-server-info + EOF hooks/post-update ) && git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
diff --git a/t/t6134-pathspec-in-submodule.sh b/t/t6134-pathspec-in-submodule.sh index 99a8982..c670668 100755 --- a/t/t6134-pathspec-in-submodule.sh +++ b/t/t6134-pathspec-in-submodule.sh
@@ -24,13 +24,9 @@ test_i18ncmp expect actual ' -cat <<EOF >expect -fatal: Pathspec '.' is in submodule 'sub' -EOF - test_expect_success 'error message for path inside submodule from within submodule' ' test_must_fail git -C sub add . 2>actual && - test_i18ncmp expect actual + test_i18ngrep "in unpopulated submodule" actual ' test_done
diff --git a/t/t6501-freshen-objects.sh b/t/t6501-freshen-objects.sh index cf076dc..394b169 100755 --- a/t/t6501-freshen-objects.sh +++ b/t/t6501-freshen-objects.sh
@@ -129,7 +129,7 @@ ' done -test_expect_success 'do not complain about existing broken links' ' +test_expect_success 'do not complain about existing broken links (commit)' ' cat >broken-commit <<-\EOF && tree 0000000000000000000000000000000000000001 parent 0000000000000000000000000000000000000002 @@ -144,4 +144,29 @@ test_must_be_empty stderr ' +test_expect_success 'do not complain about existing broken links (tree)' ' + cat >broken-tree <<-\EOF && + 100644 blob 0000000000000000000000000000000000000003 foo + EOF + tree=$(git mktree --missing <broken-tree) && + git gc 2>stderr && + git cat-file -e $tree && + test_must_be_empty stderr +' + +test_expect_success 'do not complain about existing broken links (tag)' ' + cat >broken-tag <<-\EOF && + object 0000000000000000000000000000000000000004 + type commit + tag broken + tagger whatever <whatever@example.com> 1234 -0000 + + this is a broken tag + EOF + tag=$(git hash-object -t tag -w broken-tag) && + git gc 2>stderr && + git cat-file -e $tag && + test_must_be_empty stderr +' + test_done
diff --git a/t/t7061-wtstatus-ignore.sh b/t/t7061-wtstatus-ignore.sh index cdc0747..fc6013b 100755 --- a/t/t7061-wtstatus-ignore.sh +++ b/t/t7061-wtstatus-ignore.sh
@@ -9,6 +9,7 @@ ?? actual ?? expected ?? untracked/ +!! untracked/ignored EOF test_expect_success 'status untracked directory with --ignored' '
diff --git a/t/t7063-status-untracked-cache.sh b/t/t7063-status-untracked-cache.sh index 0667bd9..e5fb892 100755 --- a/t/t7063-status-untracked-cache.sh +++ b/t/t7063-status-untracked-cache.sh
@@ -661,4 +661,26 @@ test_i18ncmp ../expect ../err ' +test_expect_success 'untracked cache survives a checkout' ' + git commit --allow-empty -m empty && + test-dump-untracked-cache >../before && + test_when_finished "git checkout master" && + git checkout -b other_branch && + test-dump-untracked-cache >../after && + test_cmp ../before ../after && + test_commit test && + test-dump-untracked-cache >../before && + git checkout master && + test-dump-untracked-cache >../after && + test_cmp ../before ../after +' + +test_expect_success 'untracked cache survives a commit' ' + test-dump-untracked-cache >../before && + git add done/two && + git commit -m commit && + test-dump-untracked-cache >../after && + test_cmp ../before ../after +' + test_done
diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh index b89fd2a..7b36954 100755 --- a/t/t7300-clean.sh +++ b/t/t7300-clean.sh
@@ -653,4 +653,20 @@ test_path_is_dir foobar ' +test_expect_success 'git clean -d skips untracked dirs containing ignored files' ' + echo /foo/bar >.gitignore && + echo ignoreme >>.gitignore && + rm -rf foo && + mkdir -p foo/a/aa/aaa foo/b/bb/bbb && + touch foo/bar foo/baz foo/a/aa/ignoreme foo/b/ignoreme foo/b/bb/1 foo/b/bb/2 && + git clean -df && + test_path_is_dir foo && + test_path_is_file foo/bar && + test_path_is_missing foo/baz && + test_path_is_file foo/a/aa/ignoreme && + test_path_is_missing foo/a/aa/aaa && + test_path_is_file foo/b/ignoreme && + test_path_is_missing foo/b/bb +' + test_done
diff --git a/t/t7513-interpret-trailers.sh b/t/t7513-interpret-trailers.sh index 4dd1d7c..0c6f91c 100755 --- a/t/t7513-interpret-trailers.sh +++ b/t/t7513-interpret-trailers.sh
@@ -1258,4 +1258,21 @@ test_cmp expected actual ' +test_expect_success 'with cut line' ' + cat >expected <<-\EOF && + my subject + + review: Brian + sign: A U Thor <author@example.com> + # ------------------------ >8 ------------------------ + ignore this + EOF + git interpret-trailers --trailer review:Brian >actual <<-\EOF && + my subject + # ------------------------ >8 ------------------------ + ignore this + EOF + test_cmp expected actual +' + test_done
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh index 60a80f6..d1e4e8a 100755 --- a/t/t9001-send-email.sh +++ b/t/t9001-send-email.sh
@@ -1913,4 +1913,52 @@ test_cmp expected-list actual-list ' +test_expect_success $PREREQ 'invoke hook' ' + mkdir -p .git/hooks && + + write_script .git/hooks/sendemail-validate <<-\EOF && + # test that we have the correct environment variable, pwd, and + # argument + case "$GIT_DIR" in + *.git) + true + ;; + *) + false + ;; + esac && + test -f 0001-add-master.patch && + grep "add master" "$1" + EOF + + mkdir subdir && + ( + # Test that it works even if we are not at the root of the + # working tree + cd subdir && + git send-email \ + --from="Example <nobody@example.com>" \ + --to=nobody@example.com \ + --smtp-server="$(pwd)/../fake.sendmail" \ + ../0001-add-master.patch && + + # Verify error message when a patch is rejected by the hook + sed -e "s/add master/x/" ../0001-add-master.patch >../another.patch && + git send-email \ + --from="Example <nobody@example.com>" \ + --to=nobody@example.com \ + --smtp-server="$(pwd)/../fake.sendmail" \ + ../another.patch 2>err + test_i18ngrep "rejected by sendemail-validate hook" err + ) +' + +test_expect_success $PREREQ 'test that send-email works outside a repo' ' + nongit git send-email \ + --from="Example <nobody@example.com>" \ + --to=nobody@example.com \ + --smtp-server="$(pwd)/fake.sendmail" \ + "$(pwd)/0001-add-master.patch" +' + test_done
diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh index b5149fd..8dcb05c 100755 --- a/t/t9350-fast-export.sh +++ b/t/t9350-fast-export.sh
@@ -70,7 +70,7 @@ git config i18n.commitencoding ISO8859-1 && # use author and committer name in ISO-8859-1 to match it. - . "$TEST_DIRECTORY"/t3901-8859-1.txt && + . "$TEST_DIRECTORY"/t3901/8859-1.txt && test_tick && echo rosten >file && git commit -s -m den file &&
diff --git a/t/t9500-gitweb-standalone-no-errors.sh b/t/t9500-gitweb-standalone-no-errors.sh index 6d06ed9..cc8d463 100755 --- a/t/t9500-gitweb-standalone-no-errors.sh +++ b/t/t9500-gitweb-standalone-no-errors.sh
@@ -519,7 +519,7 @@ test_expect_success \ 'encode(commit): utf8' \ - '. "$TEST_DIRECTORY"/t3901-utf8.txt && + '. "$TEST_DIRECTORY"/t3901/utf8.txt && test_when_finished "GIT_AUTHOR_NAME=\"A U Thor\"" && test_when_finished "GIT_COMMITTER_NAME=\"C O Mitter\"" && echo "UTF-8" >> file && @@ -529,7 +529,7 @@ test_expect_success \ 'encode(commit): iso-8859-1' \ - '. "$TEST_DIRECTORY"/t3901-8859-1.txt && + '. "$TEST_DIRECTORY"/t3901/8859-1.txt && test_when_finished "GIT_AUTHOR_NAME=\"A U Thor\"" && test_when_finished "GIT_COMMITTER_NAME=\"C O Mitter\"" && echo "ISO-8859-1" >> file &&
diff --git a/t/test-lib.sh b/t/test-lib.sh index 4352945..4936725 100644 --- a/t/test-lib.sh +++ b/t/test-lib.sh
@@ -745,20 +745,25 @@ fi case "$test_failure" in 0) - # Maybe print SKIP message - if test -n "$skip_all" && test $test_count -gt 0 - then - error "Can't use skip_all after running some tests" - fi - test -z "$skip_all" || skip_all=" # SKIP $skip_all" - if test $test_external_has_tap -eq 0 then if test $test_remaining -gt 0 then say_color pass "# passed all $msg" fi - say "1..$test_count$skip_all" + + # Maybe print SKIP message + test -z "$skip_all" || skip_all="# SKIP $skip_all" + case "$test_count" in + 0) + say "1..$test_count${skip_all:+ $skip_all}" + ;; + *) + test -z "$skip_all" || + say_color warn "$skip_all" + say "1..$test_count" + ;; + esac fi if test -z "$debug"
diff --git a/tag.c b/tag.c index d71b67e..47f60ae 100644 --- a/tag.c +++ b/tag.c
@@ -66,7 +66,7 @@ struct object *deref_tag(struct object *o, const char *warn, int warnlen) { while (o && o->type == OBJ_TAG) if (((struct tag *)o)->tagged) - o = parse_object(((struct tag *)o)->tagged->oid.hash); + o = parse_object(&((struct tag *)o)->tagged->oid); else o = NULL; if (!o && warn) { @@ -80,7 +80,7 @@ struct object *deref_tag(struct object *o, const char *warn, int warnlen) struct object *deref_tag_noverify(struct object *o) { while (o && o->type == OBJ_TAG) { - o = parse_object(o->oid.hash); + o = parse_object(&o->oid); if (o && o->type == OBJ_TAG && ((struct tag *)o)->tagged) o = ((struct tag *)o)->tagged; else @@ -89,11 +89,11 @@ struct object *deref_tag_noverify(struct object *o) return o; } -struct tag *lookup_tag(const unsigned char *sha1) +struct tag *lookup_tag(const struct object_id *oid) { - struct object *obj = lookup_object(sha1); + struct object *obj = lookup_object(oid->hash); if (!obj) - return create_object(sha1, alloc_tag_node()); + return create_object(oid->hash, alloc_tag_node()); return object_as_type(obj, OBJ_TAG, 0); } @@ -116,7 +116,7 @@ static timestamp_t parse_tag_date(const char *buf, const char *tail) int parse_tag_buffer(struct tag *item, const void *data, unsigned long size) { - unsigned char sha1[20]; + struct object_id oid; char type[20]; const char *bufptr = data; const char *tail = bufptr + size; @@ -126,11 +126,10 @@ int parse_tag_buffer(struct tag *item, const void *data, unsigned long size) return 0; item->object.parsed = 1; - if (size < 64) + if (size < GIT_SHA1_HEXSZ + 24) return -1; - if (memcmp("object ", bufptr, 7) || get_sha1_hex(bufptr + 7, sha1) || bufptr[47] != '\n') + if (memcmp("object ", bufptr, 7) || parse_oid_hex(bufptr + 7, &oid, &bufptr) || *bufptr++ != '\n') return -1; - bufptr += 48; /* "object " + sha1 + "\n" */ if (!starts_with(bufptr, "type ")) return -1; @@ -143,13 +142,13 @@ int parse_tag_buffer(struct tag *item, const void *data, unsigned long size) bufptr = nl + 1; if (!strcmp(type, blob_type)) { - item->tagged = &lookup_blob(sha1)->object; + item->tagged = &lookup_blob(&oid)->object; } else if (!strcmp(type, tree_type)) { - item->tagged = &lookup_tree(sha1)->object; + item->tagged = &lookup_tree(&oid)->object; } else if (!strcmp(type, commit_type)) { - item->tagged = &lookup_commit(sha1)->object; + item->tagged = &lookup_commit(&oid)->object; } else if (!strcmp(type, tag_type)) { - item->tagged = &lookup_tag(sha1)->object; + item->tagged = &lookup_tag(&oid)->object; } else { error("Unknown type %s", type); item->tagged = NULL;
diff --git a/tag.h b/tag.h index 2abb372..fdfcb4a 100644 --- a/tag.h +++ b/tag.h
@@ -12,7 +12,7 @@ struct tag { timestamp_t date; }; -extern struct tag *lookup_tag(const unsigned char *sha1); +extern struct tag *lookup_tag(const struct object_id *oid); extern int parse_tag_buffer(struct tag *item, const void *data, unsigned long size); extern int parse_tag(struct tag *item); extern struct object *deref_tag(struct object *, const char *, int);
diff --git a/transport.c b/transport.c index 4d33138..9bfcf87 100644 --- a/transport.c +++ b/transport.c
@@ -87,7 +87,7 @@ static struct ref *get_refs_from_bundle(struct transport *transport, int for_pus for (i = 0; i < data->header.references.nr; i++) { struct ref_list_entry *e = data->header.references.list + i; struct ref *ref = alloc_ref(e->name); - hashcpy(ref->old_oid.hash, e->sha1); + oidcpy(&ref->old_oid, &e->oid); ref->next = result; result = ref; }
diff --git a/tree-walk.c b/tree-walk.c index f25a08f..6a42e40 100644 --- a/tree-walk.c +++ b/tree-walk.c
@@ -589,7 +589,6 @@ enum follow_symlinks_result get_tree_entry_follow_symlinks(unsigned char *tree_s int i; init_tree_desc(&t, NULL, 0UL); - strbuf_init(result_path, 0); strbuf_addstr(&namebuf, name); hashcpy(current_tree_sha1, tree_sha1);
diff --git a/tree.c b/tree.c index ce345c5..603b29e 100644 --- a/tree.c +++ b/tree.c
@@ -58,7 +58,7 @@ static int read_tree_1(struct tree *tree, struct strbuf *base, { struct tree_desc desc; struct name_entry entry; - unsigned char sha1[20]; + struct object_id oid; int len, oldlen = base->len; enum interesting retval = entry_not_interesting; @@ -87,11 +87,11 @@ static int read_tree_1(struct tree *tree, struct strbuf *base, } if (S_ISDIR(entry.mode)) - hashcpy(sha1, entry.oid->hash); + oidcpy(&oid, entry.oid); else if (S_ISGITLINK(entry.mode)) { struct commit *commit; - commit = lookup_commit(entry.oid->hash); + commit = lookup_commit(entry.oid); if (!commit) die("Commit %s in submodule path %s%s not found", oid_to_hex(entry.oid), @@ -102,7 +102,7 @@ static int read_tree_1(struct tree *tree, struct strbuf *base, oid_to_hex(entry.oid), base->buf, entry.path); - hashcpy(sha1, commit->tree->object.oid.hash); + oidcpy(&oid, &commit->tree->object.oid); } else continue; @@ -110,7 +110,7 @@ static int read_tree_1(struct tree *tree, struct strbuf *base, len = tree_entry_len(&entry); strbuf_add(base, entry.path, len); strbuf_addch(base, '/'); - retval = read_tree_1(lookup_tree(sha1), + retval = read_tree_1(lookup_tree(&oid), base, stage, pathspec, fn, context); strbuf_setlen(base, oldlen); @@ -184,11 +184,11 @@ int read_tree(struct tree *tree, int stage, struct pathspec *match) return 0; } -struct tree *lookup_tree(const unsigned char *sha1) +struct tree *lookup_tree(const struct object_id *oid) { - struct object *obj = lookup_object(sha1); + struct object *obj = lookup_object(oid->hash); if (!obj) - return create_object(sha1, alloc_tree_node()); + return create_object(oid->hash, alloc_tree_node()); return object_as_type(obj, OBJ_TREE, 0); } @@ -232,9 +232,9 @@ void free_tree_buffer(struct tree *tree) tree->object.parsed = 0; } -struct tree *parse_tree_indirect(const unsigned char *sha1) +struct tree *parse_tree_indirect(const struct object_id *oid) { - struct object *obj = parse_object(sha1); + struct object *obj = parse_object(oid); do { if (!obj) return NULL; @@ -247,6 +247,6 @@ struct tree *parse_tree_indirect(const unsigned char *sha1) else return NULL; if (!obj->parsed) - parse_object(obj->oid.hash); + parse_object(&obj->oid); } while (1); }
diff --git a/tree.h b/tree.h index d24786c..0d4734b 100644 --- a/tree.h +++ b/tree.h
@@ -12,7 +12,7 @@ struct tree { unsigned long size; }; -struct tree *lookup_tree(const unsigned char *sha1); +struct tree *lookup_tree(const struct object_id *oid); int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size); @@ -24,7 +24,7 @@ static inline int parse_tree(struct tree *tree) void free_tree_buffer(struct tree *tree); /* Parses and returns the tree in the given ent, chasing tags and commits. */ -struct tree *parse_tree_indirect(const unsigned char *sha1); +struct tree *parse_tree_indirect(const struct object_id *oid); #define READ_TREE_RECURSIVE 1 typedef int (*read_tree_fn_t)(const unsigned char *, struct strbuf *, const char *, unsigned int, int, void *);
diff --git a/unpack-trees.c b/unpack-trees.c index d98a4f4..d38c37e 100644 --- a/unpack-trees.c +++ b/unpack-trees.c
@@ -1073,7 +1073,7 @@ static int clear_ce_flags_dir(struct cache_entry **cache, int nr, struct cache_entry **cache_end; int dtype = DT_DIR; int ret = is_excluded_from_list(prefix->buf, prefix->len, - basename, &dtype, el); + basename, &dtype, el, &the_index); int rc; strbuf_addch(prefix, '/'); @@ -1176,7 +1176,7 @@ static int clear_ce_flags_1(struct cache_entry **cache, int nr, /* Non-directory */ dtype = ce_to_dtype(ce); ret = is_excluded_from_list(ce->name, ce_namelen(ce), - name, &dtype, el); + name, &dtype, el, &the_index); if (ret < 0) ret = defval; if (ret > 0) @@ -1256,7 +1256,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options o->skip_sparse_checkout = 1; if (!o->skip_sparse_checkout) { char *sparse = git_pathdup("info/sparse-checkout"); - if (add_excludes_from_file_to_list(sparse, "", 0, &el, 0) < 0) + if (add_excludes_from_file_to_list(sparse, "", 0, &el, NULL) < 0) o->skip_sparse_checkout = 1; else o->el = ⪙ @@ -1396,6 +1396,7 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options WRITE_TREE_SILENT | WRITE_TREE_REPAIR); } + move_index_extensions(&o->result, o->dst_index); discard_index(o->dst_index); *o->dst_index = o->result; } else { @@ -1597,7 +1598,7 @@ static int verify_clean_subdirectory(const struct cache_entry *ce, memset(&d, 0, sizeof(d)); if (o->dir) d.exclude_per_dir = o->dir->exclude_per_dir; - i = read_directory(&d, pathbuf, namelen+1, NULL); + i = read_directory(&d, &the_index, pathbuf, namelen+1, NULL); if (i) return o->gently ? -1 : add_rejected_path(o, ERROR_NOT_UPTODATE_DIR, ce->name); @@ -1639,7 +1640,7 @@ static int check_ok_to_remove(const char *name, int len, int dtype, return 0; if (o->dir && - is_excluded(o->dir, name, &dtype)) + is_excluded(o->dir, &the_index, name, &dtype)) /* * ce->name is explicitly excluded, so it is Ok to * overwrite it.
diff --git a/upload-pack.c b/upload-pack.c index 97da13e..5330c02 100644 --- a/upload-pack.c +++ b/upload-pack.c
@@ -286,19 +286,19 @@ static void create_pack_file(void) die("git upload-pack: %s", abort_msg); } -static int got_sha1(const char *hex, unsigned char *sha1) +static int got_oid(const char *hex, struct object_id *oid) { struct object *o; int we_knew_they_have = 0; - if (get_sha1_hex(hex, sha1)) + if (get_oid_hex(hex, oid)) die("git upload-pack: expected SHA1 object, got '%s'", hex); - if (!has_sha1_file(sha1)) + if (!has_object_file(oid)) return -1; - o = parse_object(sha1); + o = parse_object(oid); if (!o) - die("oops (%s)", sha1_to_hex(sha1)); + die("oops (%s)", oid_to_hex(oid)); if (o->type == OBJ_COMMIT) { struct commit_list *parents; struct commit *commit = (struct commit *)o; @@ -334,7 +334,7 @@ static int reachable(struct commit *want) break; } if (!commit->object.parsed) - parse_object(commit->object.oid.hash); + parse_object(&commit->object.oid); if (commit->object.flags & REACHABLE) continue; commit->object.flags |= REACHABLE; @@ -382,8 +382,8 @@ static int ok_to_give_up(void) static int get_common_commits(void) { - unsigned char sha1[20]; - char last_hex[41]; + struct object_id oid; + char last_hex[GIT_MAX_HEXSZ + 1]; int got_common = 0; int got_other = 0; int sent_ready = 0; @@ -416,11 +416,11 @@ static int get_common_commits(void) continue; } if (skip_prefix(line, "have ", &arg)) { - switch (got_sha1(arg, sha1)) { + switch (got_oid(arg, &oid)) { case -1: /* they have what we do not */ got_other = 1; if (multi_ack && ok_to_give_up()) { - const char *hex = sha1_to_hex(sha1); + const char *hex = oid_to_hex(&oid); if (multi_ack == 2) { sent_ready = 1; packet_write_fmt(1, "ACK %s ready\n", hex); @@ -430,7 +430,7 @@ static int get_common_commits(void) break; default: got_common = 1; - memcpy(last_hex, sha1_to_hex(sha1), 41); + memcpy(last_hex, oid_to_hex(&oid), 41); if (multi_ack == 2) packet_write_fmt(1, "ACK %s common\n", last_hex); else if (multi_ack) @@ -492,7 +492,7 @@ static int do_reachable_revlist(struct child_process *cmd, goto error; namebuf[0] = '^'; - namebuf[41] = '\n'; + namebuf[GIT_SHA1_HEXSZ + 1] = '\n'; for (i = get_max_object_index(); 0 < i; ) { o = get_indexed_object(--i); if (!o) @@ -502,10 +502,10 @@ static int do_reachable_revlist(struct child_process *cmd, if (!is_our_ref(o)) continue; memcpy(namebuf + 1, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ); - if (write_in_full(cmd->in, namebuf, 42) < 0) + if (write_in_full(cmd->in, namebuf, GIT_SHA1_HEXSZ + 2) < 0) goto error; } - namebuf[40] = '\n'; + namebuf[GIT_SHA1_HEXSZ] = '\n'; for (i = 0; i < src->nr; i++) { o = src->objects[i].item; if (is_our_ref(o)) { @@ -516,7 +516,7 @@ static int do_reachable_revlist(struct child_process *cmd, if (reachable && o->type == OBJ_COMMIT) o->flags |= TMP_MARK; memcpy(namebuf, oid_to_hex(&o->oid), GIT_SHA1_HEXSZ); - if (write_in_full(cmd->in, namebuf, 41) < 0) + if (write_in_full(cmd->in, namebuf, GIT_SHA1_HEXSZ + 1) < 0) goto error; } close(cmd->in); @@ -642,7 +642,7 @@ static void send_shallow(struct commit_list *result) if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) { packet_write_fmt(1, "shallow %s", oid_to_hex(&object->oid)); - register_shallow(object->oid.hash); + register_shallow(&object->oid); shallow_nr++; } result = result->next; @@ -667,7 +667,7 @@ static void send_unshallow(const struct object_array *shallows) * parse and add the parents to the want list, then * re-register it. */ - unregister_shallow(object->oid.hash); + unregister_shallow(&object->oid); object->parsed = 0; parse_commit_or_die((struct commit *)object); parents = ((struct commit *)object)->parents; @@ -679,7 +679,7 @@ static void send_unshallow(const struct object_array *shallows) add_object_array(object, NULL, &extra_edge_obj); } /* make sure commit traversal conforms to client */ - register_shallow(object->oid.hash); + register_shallow(&object->oid); } } @@ -742,7 +742,7 @@ static void receive_needs(void) for (;;) { struct object *o; const char *features; - unsigned char sha1_buf[20]; + struct object_id oid_buf; char *line = packet_read_line(0, NULL); const char *arg; @@ -751,15 +751,15 @@ static void receive_needs(void) break; if (skip_prefix(line, "shallow ", &arg)) { - unsigned char sha1[20]; + struct object_id oid; struct object *object; - if (get_sha1_hex(arg, sha1)) + if (get_oid_hex(arg, &oid)) die("invalid shallow line: %s", line); - object = parse_object(sha1); + object = parse_object(&oid); if (!object) continue; if (object->type != OBJ_COMMIT) - die("invalid shallow object %s", sha1_to_hex(sha1)); + die("invalid shallow object %s", oid_to_hex(&oid)); if (!(object->flags & CLIENT_SHALLOW)) { object->flags |= CLIENT_SHALLOW; add_object_array(object, NULL, &shallows); @@ -785,8 +785,8 @@ static void receive_needs(void) } if (skip_prefix(line, "deepen-not ", &arg)) { char *ref = NULL; - unsigned char sha1[20]; - if (expand_ref(arg, strlen(arg), sha1, &ref) != 1) + struct object_id oid; + if (expand_ref(arg, strlen(arg), oid.hash, &ref) != 1) die("git upload-pack: ambiguous deepen-not: %s", line); string_list_append(&deepen_not, ref); free(ref); @@ -794,7 +794,7 @@ static void receive_needs(void) continue; } if (!skip_prefix(line, "want ", &arg) || - get_sha1_hex(arg, sha1_buf)) + get_oid_hex(arg, &oid_buf)) die("git upload-pack: protocol error, " "expected to get sha, not '%s'", line); @@ -821,13 +821,13 @@ static void receive_needs(void) if (parse_feature_request(features, "include-tag")) use_include_tag = 1; - o = parse_object(sha1_buf); + o = parse_object(&oid_buf); if (!o) { packet_write_fmt(1, "ERR upload-pack: not our ref %s", - sha1_to_hex(sha1_buf)); + oid_to_hex(&oid_buf)); die("git upload-pack: not our ref %s", - sha1_to_hex(sha1_buf)); + oid_to_hex(&oid_buf)); } if (!(o->flags & WANTED)) { o->flags |= WANTED; @@ -883,7 +883,7 @@ static void receive_needs(void) if (shallows.nr > 0) { int i; for (i = 0; i < shallows.nr; i++) - register_shallow(shallows.objects[i].item->oid.hash); + register_shallow(&shallows.objects[i].item->oid); } shallow_nr += shallows.nr;
diff --git a/usage.c b/usage.c index ad6d291..2f87ca6 100644 --- a/usage.c +++ b/usage.c
@@ -6,12 +6,9 @@ #include "git-compat-util.h" #include "cache.h" -static FILE *error_handle; - void vreportf(const char *prefix, const char *err, va_list params) { char msg[4096]; - FILE *fh = error_handle ? error_handle : stderr; char *p; vsnprintf(msg, sizeof(msg), err, params); @@ -19,7 +16,7 @@ void vreportf(const char *prefix, const char *err, va_list params) if (iscntrl(*p) && *p != '\t' && *p != '\n') *p = '?'; } - fprintf(fh, "%s%s\n", prefix, msg); + fprintf(stderr, "%s%s\n", prefix, msg); } static NORETURN void usage_builtin(const char *err, va_list params) @@ -88,11 +85,6 @@ void set_die_is_recursing_routine(int (*routine)(void)) die_is_recursing = routine; } -void set_error_handle(FILE *fh) -{ - error_handle = fh; -} - void NORETURN usagef(const char *err, ...) { va_list params; @@ -201,3 +193,35 @@ void warning(const char *warn, ...) warn_routine(warn, params); va_end(params); } + +static NORETURN void BUG_vfl(const char *file, int line, const char *fmt, va_list params) +{ + char prefix[256]; + + /* truncation via snprintf is OK here */ + if (file) + snprintf(prefix, sizeof(prefix), "BUG: %s:%d: ", file, line); + else + snprintf(prefix, sizeof(prefix), "BUG: "); + + vreportf(prefix, fmt, params); + abort(); +} + +#ifdef HAVE_VARIADIC_MACROS +NORETURN void BUG_fl(const char *file, int line, const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + BUG_vfl(file, line, fmt, ap); + va_end(ap); +} +#else +NORETURN void BUG(const char *fmt, ...) +{ + va_list ap; + va_start(ap, fmt); + BUG_vfl(NULL, 0, fmt, ap); + va_end(ap); +} +#endif
diff --git a/walker.c b/walker.c index 2c86e40..274f1a4 100644 --- a/walker.c +++ b/walker.c
@@ -47,12 +47,12 @@ static int process_tree(struct walker *walker, struct tree *tree) if (S_ISGITLINK(entry.mode)) continue; if (S_ISDIR(entry.mode)) { - struct tree *tree = lookup_tree(entry.oid->hash); + struct tree *tree = lookup_tree(entry.oid); if (tree) obj = &tree->object; } else { - struct blob *blob = lookup_blob(entry.oid->hash); + struct blob *blob = lookup_blob(entry.oid); if (blob) obj = &blob->object; } @@ -180,7 +180,7 @@ static int loop(struct walker *walker) } } if (!obj->type) - parse_object(obj->oid.hash); + parse_object(&obj->oid); if (process_object(walker, obj)) return -1; } @@ -206,7 +206,7 @@ static int interpret_target(struct walker *walker, char *target, unsigned char * static int mark_complete(const char *path, const struct object_id *oid, int flag, void *cb_data) { - struct commit *commit = lookup_commit_reference_gently(oid->hash, 1); + struct commit *commit = lookup_commit_reference_gently(oid, 1); if (commit) { commit->object.flags |= COMPLETE;
diff --git a/worktree.c b/worktree.c index 726f732..2801c6d 100644 --- a/worktree.c +++ b/worktree.c
@@ -351,6 +351,7 @@ int submodule_uses_worktrees(const char *path) /* The env would be set for the superproject. */ get_common_dir_noenv(&sb, submodule_gitdir); + free(submodule_gitdir); /* * The check below is only known to be good for repository format @@ -370,7 +371,6 @@ int submodule_uses_worktrees(const char *path) /* See if there is any file inside the worktrees directory. */ dir = opendir(sb.buf); strbuf_release(&sb); - free(submodule_gitdir); if (!dir) return 0;
diff --git a/wrapper.c b/wrapper.c index d837417..708e98a 100644 --- a/wrapper.c +++ b/wrapper.c
@@ -583,8 +583,8 @@ void warn_on_inaccessible(const char *path) static int access_error_is_ok(int err, unsigned flag) { - return err == ENOENT || err == ENOTDIR || - ((flag & ACCESS_EACCES_OK) && err == EACCES); + return (is_missing_file_error(err) || + ((flag & ACCESS_EACCES_OK) && err == EACCES)); } int access_or_warn(const char *path, int mode, unsigned flag)
diff --git a/wt-status.c b/wt-status.c index 7daa532..25aafc3 100644 --- a/wt-status.c +++ b/wt-status.c
@@ -665,7 +665,7 @@ static void wt_status_collect_untracked(struct wt_status *s) dir.untracked = the_index.untracked; setup_standard_excludes(&dir); - fill_directory(&dir, &s->pathspec); + fill_directory(&dir, &the_index, &s->pathspec); for (i = 0; i < dir.nr; i++) { struct dir_entry *ent = dir.entries[i]; @@ -896,17 +896,18 @@ static void wt_longstatus_print_other(struct wt_status *s, status_printf_ln(s, GIT_COLOR_NORMAL, "%s", ""); } -void wt_status_truncate_message_at_cut_line(struct strbuf *buf) +size_t wt_status_locate_end(const char *s, size_t len) { const char *p; struct strbuf pattern = STRBUF_INIT; strbuf_addf(&pattern, "\n%c %s", comment_line_char, cut_line); - if (starts_with(buf->buf, pattern.buf + 1)) - strbuf_setlen(buf, 0); - else if ((p = strstr(buf->buf, pattern.buf))) - strbuf_setlen(buf, p - buf->buf + 1); + if (starts_with(s, pattern.buf + 1)) + len = 0; + else if ((p = strstr(s, pattern.buf))) + len = p - s + 1; strbuf_release(&pattern); + return len; } void wt_status_add_cut_line(FILE *fp) @@ -1082,29 +1083,29 @@ static char *read_line_from_git_path(const char *filename) static int split_commit_in_progress(struct wt_status *s) { int split_in_progress = 0; - char *head = read_line_from_git_path("HEAD"); - char *orig_head = read_line_from_git_path("ORIG_HEAD"); - char *rebase_amend = read_line_from_git_path("rebase-merge/amend"); - char *rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head"); + char *head, *orig_head, *rebase_amend, *rebase_orig_head; - if (!head || !orig_head || !rebase_amend || !rebase_orig_head || + if ((!s->amend && !s->nowarn && !s->workdir_dirty) || !s->branch || strcmp(s->branch, "HEAD")) - return split_in_progress; + return 0; - if (!strcmp(rebase_amend, rebase_orig_head)) { - if (strcmp(head, rebase_amend)) - split_in_progress = 1; - } else if (strcmp(orig_head, rebase_orig_head)) { + head = read_line_from_git_path("HEAD"); + orig_head = read_line_from_git_path("ORIG_HEAD"); + rebase_amend = read_line_from_git_path("rebase-merge/amend"); + rebase_orig_head = read_line_from_git_path("rebase-merge/orig-head"); + + if (!head || !orig_head || !rebase_amend || !rebase_orig_head) + ; /* fall through, no split in progress */ + else if (!strcmp(rebase_amend, rebase_orig_head)) + split_in_progress = !!strcmp(head, rebase_amend); + else if (strcmp(orig_head, rebase_orig_head)) split_in_progress = 1; - } - - if (!s->amend && !s->nowarn && !s->workdir_dirty) - split_in_progress = 0; free(head); free(orig_head); free(rebase_amend); free(rebase_orig_head); + return split_in_progress; } @@ -1168,6 +1169,7 @@ static int read_rebase_todolist(const char *fname, struct string_list *lines) abbrev_sha1_in_line(&line); string_list_append(lines, line.buf); } + fclose(f); return 0; } @@ -1428,7 +1430,7 @@ static void wt_status_get_detached_from(struct wt_status_state *state) /* sha1 is a commit? match without further lookup */ (!oidcmp(&cb.noid, &oid) || /* perhaps sha1 is a tag, try to dereference to a commit */ - ((commit = lookup_commit_reference_gently(oid.hash, 1)) != NULL && + ((commit = lookup_commit_reference_gently(&oid, 1)) != NULL && !oidcmp(&cb.noid, &commit->object.oid)))) { const char *from = ref; if (!skip_prefix(from, "refs/tags/", &from))
diff --git a/wt-status.h b/wt-status.h index 6018c62..8a38647 100644 --- a/wt-status.h +++ b/wt-status.h
@@ -112,7 +112,7 @@ struct wt_status_state { unsigned char cherry_pick_head_sha1[20]; }; -void wt_status_truncate_message_at_cut_line(struct strbuf *); +size_t wt_status_locate_end(const char *s, size_t len); void wt_status_add_cut_line(FILE *fp); void wt_status_prepare(struct wt_status *s); void wt_status_print(struct wt_status *s);