fetch: delay fetch_if_missing=0 until after config

Suppose, from a repository that has ".gitmodules", we clone with
--filter=blob:none:

  git clone --filter=blob:none --no-checkout \
    https://kernel.googlesource.com/pub/scm/git/git

Then we fetch:

  git -C git fetch

This will cause a "unable to load config blob object", because the
fetch_config_from_gitmodules() invocation in cmd_fetch() will attempt to
load ".gitmodules" (which Git knows to exist because the client has the
tree of HEAD) while fetch_if_missing is set to 0.

fetch_if_missing is set to 0 too early - ".gitmodules" here should be
lazily fetched.  Git must set fetch_if_missing to 0 before the fetch
because as part of the fetch, packfile negotiation happens (and we do
not want to fetch any missing objects when checking existence of
objects), but we do not need to set it so early. Move the setting of
fetch_if_missing to the earliest possible point in cmd_fetch(), right
before any fetching happens.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 file changed
tree: 60804de481229e4c0c9a51b6585988db0af7b91e
  1. .github/
  2. block-sha1/
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  7. Documentation/
  8. ewah/
  9. git-gui/
  10. gitk-git/
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  93. config.c
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  95. config.mak.dev
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  159. git-add--interactive.perl
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  161. git-bisect.sh
  162. git-compat-util.h
  163. git-cvsexportcommit.perl
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  165. git-cvsserver.perl
  166. git-difftool--helper.sh
  167. git-filter-branch.sh
  168. git-instaweb.sh
  169. git-legacy-stash.sh
  170. git-merge-octopus.sh
  171. git-merge-one-file.sh
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  175. git-p4.py
  176. git-parse-remote.sh
  177. git-quiltimport.sh
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  179. git-request-pull.sh
  180. git-send-email.perl
  181. git-sh-i18n.sh
  182. git-sh-setup.sh
  183. git-submodule.sh
  184. git-svn.perl
  185. GIT-VERSION-GEN
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  187. git.c
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  229. list-objects-filter.c
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  259. name-hash.c
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  271. oidmap.c
  272. oidmap.h
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  275. pack-bitmap-write.c
  276. pack-bitmap.c
  277. pack-bitmap.h
  278. pack-check.c
  279. pack-objects.c
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  281. pack-revindex.c
  282. pack-revindex.h
  283. pack-write.c
  284. pack.h
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  287. pager.c
  288. parse-options-cb.c
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  290. parse-options.h
  291. patch-delta.c
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  293. patch-ids.h
  294. path.c
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  296. pathspec.c
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  298. pkt-line.c
  299. pkt-line.h
  300. preload-index.c
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  302. pretty.h
  303. prio-queue.c
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  305. progress.c
  306. progress.h
  307. promisor-remote.c
  308. promisor-remote.h
  309. prompt.c
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  311. protocol.c
  312. protocol.h
  313. quote.c
  314. quote.h
  315. range-diff.c
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  317. reachable.c
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  319. read-cache.c
  320. README.md
  321. rebase-interactive.c
  322. rebase-interactive.h
  323. ref-filter.c
  324. ref-filter.h
  325. reflog-walk.c
  326. reflog-walk.h
  327. refs.c
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  329. refspec.c
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  331. remote-curl.c
  332. remote-testsvn.c
  333. remote.c
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  335. replace-object.c
  336. replace-object.h
  337. repo-settings.c
  338. repository.c
  339. repository.h
  340. rerere.c
  341. rerere.h
  342. resolve-undo.c
  343. resolve-undo.h
  344. revision.c
  345. revision.h
  346. run-command.c
  347. run-command.h
  348. send-pack.c
  349. send-pack.h
  350. sequencer.c
  351. sequencer.h
  352. serve.c
  353. serve.h
  354. server-info.c
  355. setup.c
  356. sh-i18n--envsubst.c
  357. sha1-array.c
  358. sha1-array.h
  359. sha1-file.c
  360. sha1-lookup.c
  361. sha1-lookup.h
  362. sha1-name.c
  363. sha1dc_git.c
  364. sha1dc_git.h
  365. shallow.c
  366. shell.c
  367. shortlog.h
  368. sideband.c
  369. sideband.h
  370. sigchain.c
  371. sigchain.h
  372. split-index.c
  373. split-index.h
  374. stable-qsort.c
  375. strbuf.c
  376. strbuf.h
  377. streaming.c
  378. streaming.h
  379. string-list.c
  380. string-list.h
  381. sub-process.c
  382. sub-process.h
  383. submodule-config.c
  384. submodule-config.h
  385. submodule.c
  386. submodule.h
  387. symlinks.c
  388. tag.c
  389. tag.h
  390. tar.h
  391. tempfile.c
  392. tempfile.h
  393. thread-utils.c
  394. thread-utils.h
  395. tmp-objdir.c
  396. tmp-objdir.h
  397. trace.c
  398. trace.h
  399. trace2.c
  400. trace2.h
  401. trailer.c
  402. trailer.h
  403. transport-helper.c
  404. transport-internal.h
  405. transport.c
  406. transport.h
  407. tree-diff.c
  408. tree-walk.c
  409. tree-walk.h
  410. tree.c
  411. tree.h
  412. unicode-width.h
  413. unimplemented.sh
  414. unix-socket.c
  415. unix-socket.h
  416. unpack-trees.c
  417. unpack-trees.h
  418. upload-pack.c
  419. upload-pack.h
  420. url.c
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  422. urlmatch.c
  423. urlmatch.h
  424. usage.c
  425. userdiff.c
  426. userdiff.h
  427. utf8.c
  428. utf8.h
  429. varint.c
  430. varint.h
  431. version.c
  432. version.h
  433. versioncmp.c
  434. walker.c
  435. walker.h
  436. wildmatch.c
  437. wildmatch.h
  438. worktree.c
  439. worktree.h
  440. wrap-for-bin.sh
  441. wrapper.c
  442. write-or-die.c
  443. ws.c
  444. wt-status.c
  445. wt-status.h
  446. xdiff-interface.c
  447. xdiff-interface.h
  448. zlib.c
README.md

Build Status

Git - fast, scalable, distributed revision control system

Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals.

Git is an Open Source project covered by the GNU General Public License version 2 (some parts of it are under different licenses, compatible with the GPLv2). It was originally written by Linus Torvalds with help of a group of hackers around the net.

Please read the file INSTALL for installation instructions.

Many Git online resources are accessible from https://git-scm.com/ including full documentation and Git related tools.

See Documentation/gittutorial.txt to get started, then see Documentation/giteveryday.txt for a useful minimum set of commands, and Documentation/git-<commandname>.txt for documentation of each command. If git has been correctly installed, then the tutorial can also be read with man gittutorial or git help tutorial, and the documentation of each command with man git-<commandname> or git help <commandname>.

CVS users may also want to read Documentation/gitcvs-migration.txt (man gitcvs-migration or git help cvs-migration if git is installed).

The user discussion and development of Git take place on the Git mailing list -- everyone is welcome to post bug reports, feature requests, comments and patches to git@vger.kernel.org (read Documentation/SubmittingPatches for instructions on patch submission). To subscribe to the list, send an email with just “subscribe git” in the body to majordomo@vger.kernel.org. The mailing list archives are available at https://public-inbox.org/git/, http://marc.info/?l=git and other archival sites.

Issues which are security relevant should be disclosed privately to the Git Security mailing list git-security@googlegroups.com.

The maintainer frequently sends the “What's cooking” reports that list the current status of various development topics to the mailing list. The discussion following them give a good reference for project status, development direction and remaining tasks.

The name “git” was given by Linus Torvalds when he wrote the very first version. He described the tool as “the stupid content tracker” and the name as (depending on your mood):

  • random three-letter combination that is pronounceable, and not actually used by any common UNIX command. The fact that it is a mispronunciation of “get” may or may not be relevant.
  • stupid. contemptible and despicable. simple. Take your pick from the dictionary of slang.
  • “global information tracker”: you're in a good mood, and it actually works for you. Angels sing, and a light suddenly fills the room.
  • “goddamn idiotic truckload of sh*t”: when it breaks