|  | #!/bin/sh | 
|  | # | 
|  | # Copyright (c) 2006 Shawn Pearce | 
|  | # | 
|  |  | 
|  | test_description='Test git update-ref and basic ref logging' | 
|  | . ./test-lib.sh | 
|  |  | 
|  | Z=$ZERO_OID | 
|  |  | 
|  | m=refs/heads/master | 
|  | n_dir=refs/heads/gu | 
|  | n=$n_dir/fixes | 
|  | outside=refs/foo | 
|  | bare=bare-repo | 
|  |  | 
|  | create_test_commits () | 
|  | { | 
|  | prfx="$1" | 
|  | for name in A B C D E F | 
|  | do | 
|  | test_tick && | 
|  | T=$(git write-tree) && | 
|  | sha1=$(echo $name | git commit-tree $T) && | 
|  | eval $prfx$name=$sha1 | 
|  | done | 
|  | } | 
|  |  | 
|  | test_expect_success setup ' | 
|  | create_test_commits "" && | 
|  | mkdir $bare && | 
|  | cd $bare && | 
|  | git init --bare && | 
|  | create_test_commits "bare" && | 
|  | cd - | 
|  | ' | 
|  |  | 
|  | test_expect_success "create $m" ' | 
|  | git update-ref $m $A && | 
|  | test $A = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "create $m with oldvalue verification" ' | 
|  | git update-ref $m $B $A && | 
|  | test $B = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "fail to delete $m with stale ref" ' | 
|  | test_must_fail git update-ref -d $m $A && | 
|  | test $B = "$(cat .git/$m)" | 
|  | ' | 
|  | test_expect_success "delete $m" ' | 
|  | test_when_finished "rm -f .git/$m" && | 
|  | git update-ref -d $m $B && | 
|  | test_path_is_missing .git/$m | 
|  | ' | 
|  |  | 
|  | test_expect_success "delete $m without oldvalue verification" ' | 
|  | test_when_finished "rm -f .git/$m" && | 
|  | git update-ref $m $A && | 
|  | test $A = $(cat .git/$m) && | 
|  | git update-ref -d $m && | 
|  | test_path_is_missing .git/$m | 
|  | ' | 
|  |  | 
|  | test_expect_success "fail to create $n" ' | 
|  | test_when_finished "rm -f .git/$n_dir" && | 
|  | touch .git/$n_dir && | 
|  | test_must_fail git update-ref $n $A | 
|  | ' | 
|  |  | 
|  | test_expect_success "create $m (by HEAD)" ' | 
|  | git update-ref HEAD $A && | 
|  | test $A = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "create $m (by HEAD) with oldvalue verification" ' | 
|  | git update-ref HEAD $B $A && | 
|  | test $B = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "fail to delete $m (by HEAD) with stale ref" ' | 
|  | test_must_fail git update-ref -d HEAD $A && | 
|  | test $B = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "delete $m (by HEAD)" ' | 
|  | test_when_finished "rm -f .git/$m" && | 
|  | git update-ref -d HEAD $B && | 
|  | test_path_is_missing .git/$m | 
|  | ' | 
|  |  | 
|  | test_expect_success "deleting current branch adds message to HEAD's log" ' | 
|  | test_when_finished "rm -f .git/$m" && | 
|  | git update-ref $m $A && | 
|  | git symbolic-ref HEAD $m && | 
|  | git update-ref -m delete-$m -d $m && | 
|  | test_path_is_missing .git/$m && | 
|  | grep "delete-$m$" .git/logs/HEAD | 
|  | ' | 
|  |  | 
|  | test_expect_success "deleting by HEAD adds message to HEAD's log" ' | 
|  | test_when_finished "rm -f .git/$m" && | 
|  | git update-ref $m $A && | 
|  | git symbolic-ref HEAD $m && | 
|  | git update-ref -m delete-by-head -d HEAD && | 
|  | test_path_is_missing .git/$m && | 
|  | grep "delete-by-head$" .git/logs/HEAD | 
|  | ' | 
|  |  | 
|  | test_expect_success 'update-ref does not create reflogs by default' ' | 
|  | test_when_finished "git update-ref -d $outside" && | 
|  | git update-ref $outside $A && | 
|  | git rev-parse $A >expect && | 
|  | git rev-parse $outside >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git reflog exists $outside | 
|  | ' | 
|  |  | 
|  | test_expect_success 'update-ref creates reflogs with --create-reflog' ' | 
|  | test_when_finished "git update-ref -d $outside" && | 
|  | git update-ref --create-reflog $outside $A && | 
|  | git rev-parse $A >expect && | 
|  | git rev-parse $outside >actual && | 
|  | test_cmp expect actual && | 
|  | git reflog exists $outside | 
|  | ' | 
|  |  | 
|  | test_expect_success 'creates no reflog in bare repository' ' | 
|  | git -C $bare update-ref $m $bareA && | 
|  | git -C $bare rev-parse $bareA >expect && | 
|  | git -C $bare rev-parse $m >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git -C $bare reflog exists $m | 
|  | ' | 
|  |  | 
|  | test_expect_success 'core.logAllRefUpdates=true creates reflog in bare repository' ' | 
|  | test_when_finished "git -C $bare config --unset core.logAllRefUpdates && \ | 
|  | rm $bare/logs/$m" && | 
|  | git -C $bare config core.logAllRefUpdates true && | 
|  | git -C $bare update-ref $m $bareB && | 
|  | git -C $bare rev-parse $bareB >expect && | 
|  | git -C $bare rev-parse $m >actual && | 
|  | test_cmp expect actual && | 
|  | git -C $bare reflog exists $m | 
|  | ' | 
|  |  | 
|  | test_expect_success 'core.logAllRefUpdates=true does not create reflog by default' ' | 
|  | test_config core.logAllRefUpdates true && | 
|  | test_when_finished "git update-ref -d $outside" && | 
|  | git update-ref $outside $A && | 
|  | git rev-parse $A >expect && | 
|  | git rev-parse $outside >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git reflog exists $outside | 
|  | ' | 
|  |  | 
|  | test_expect_success 'core.logAllRefUpdates=always creates reflog by default' ' | 
|  | test_config core.logAllRefUpdates always && | 
|  | test_when_finished "git update-ref -d $outside" && | 
|  | git update-ref $outside $A && | 
|  | git rev-parse $A >expect && | 
|  | git rev-parse $outside >actual && | 
|  | test_cmp expect actual && | 
|  | git reflog exists $outside | 
|  | ' | 
|  |  | 
|  | test_expect_success 'core.logAllRefUpdates=always creates no reflog for ORIG_HEAD' ' | 
|  | test_config core.logAllRefUpdates always && | 
|  | git update-ref ORIG_HEAD $A && | 
|  | test_must_fail git reflog exists ORIG_HEAD | 
|  | ' | 
|  |  | 
|  | test_expect_success '--no-create-reflog overrides core.logAllRefUpdates=always' ' | 
|  | test_config core.logAllRefUpdates true && | 
|  | test_when_finished "git update-ref -d $outside" && | 
|  | git update-ref --no-create-reflog $outside $A && | 
|  | git rev-parse $A >expect && | 
|  | git rev-parse $outside >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git reflog exists $outside | 
|  | ' | 
|  |  | 
|  | test_expect_success "create $m (by HEAD)" ' | 
|  | git update-ref HEAD $A && | 
|  | test $A = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success 'pack refs' ' | 
|  | git pack-refs --all | 
|  | ' | 
|  | test_expect_success "move $m (by HEAD)" ' | 
|  | git update-ref HEAD $B $A && | 
|  | test $B = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "delete $m (by HEAD) should remove both packed and loose $m" ' | 
|  | test_when_finished "rm -f .git/$m" && | 
|  | git update-ref -d HEAD $B && | 
|  | ! grep "$m" .git/packed-refs && | 
|  | test_path_is_missing .git/$m | 
|  | ' | 
|  |  | 
|  | cp -f .git/HEAD .git/HEAD.orig | 
|  | test_expect_success 'delete symref without dereference' ' | 
|  | test_when_finished "cp -f .git/HEAD.orig .git/HEAD" && | 
|  | git update-ref --no-deref -d HEAD && | 
|  | test_path_is_missing .git/HEAD | 
|  | ' | 
|  |  | 
|  | test_expect_success 'delete symref without dereference when the referred ref is packed' ' | 
|  | test_when_finished "cp -f .git/HEAD.orig .git/HEAD" && | 
|  | echo foo >foo.c && | 
|  | git add foo.c && | 
|  | git commit -m foo && | 
|  | git pack-refs --all && | 
|  | git update-ref --no-deref -d HEAD && | 
|  | test_path_is_missing .git/HEAD | 
|  | ' | 
|  |  | 
|  | git update-ref -d $m | 
|  |  | 
|  | test_expect_success 'update-ref -d is not confused by self-reference' ' | 
|  | git symbolic-ref refs/heads/self refs/heads/self && | 
|  | test_when_finished "rm -f .git/refs/heads/self" && | 
|  | test_path_is_file .git/refs/heads/self && | 
|  | test_must_fail git update-ref -d refs/heads/self && | 
|  | test_path_is_file .git/refs/heads/self | 
|  | ' | 
|  |  | 
|  | test_expect_success 'update-ref --no-deref -d can delete self-reference' ' | 
|  | git symbolic-ref refs/heads/self refs/heads/self && | 
|  | test_when_finished "rm -f .git/refs/heads/self" && | 
|  | test_path_is_file .git/refs/heads/self && | 
|  | git update-ref --no-deref -d refs/heads/self && | 
|  | test_path_is_missing .git/refs/heads/self | 
|  | ' | 
|  |  | 
|  | test_expect_success 'update-ref --no-deref -d can delete reference to bad ref' ' | 
|  | >.git/refs/heads/bad && | 
|  | test_when_finished "rm -f .git/refs/heads/bad" && | 
|  | git symbolic-ref refs/heads/ref-to-bad refs/heads/bad && | 
|  | test_when_finished "rm -f .git/refs/heads/ref-to-bad" && | 
|  | test_path_is_file .git/refs/heads/ref-to-bad && | 
|  | git update-ref --no-deref -d refs/heads/ref-to-bad && | 
|  | test_path_is_missing .git/refs/heads/ref-to-bad | 
|  | ' | 
|  |  | 
|  | test_expect_success '(not) create HEAD with old sha1' ' | 
|  | test_must_fail git update-ref HEAD $A $B | 
|  | ' | 
|  | test_expect_success "(not) prior created .git/$m" ' | 
|  | test_when_finished "rm -f .git/$m" && | 
|  | test_path_is_missing .git/$m | 
|  | ' | 
|  |  | 
|  | test_expect_success 'create HEAD' ' | 
|  | git update-ref HEAD $A | 
|  | ' | 
|  | test_expect_success '(not) change HEAD with wrong SHA1' ' | 
|  | test_must_fail git update-ref HEAD $B $Z | 
|  | ' | 
|  | test_expect_success "(not) changed .git/$m" ' | 
|  | test_when_finished "rm -f .git/$m" && | 
|  | ! test $B = $(cat .git/$m) | 
|  | ' | 
|  |  | 
|  | rm -f .git/logs/refs/heads/master | 
|  | test_expect_success "create $m (logged by touch)" ' | 
|  | test_config core.logAllRefUpdates false && | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:30" \ | 
|  | git update-ref --create-reflog HEAD $A -m "Initial Creation" && | 
|  | test $A = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "update $m (logged by touch)" ' | 
|  | test_config core.logAllRefUpdates false && | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:31" \ | 
|  | git update-ref HEAD $B $A -m "Switch" && | 
|  | test $B = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "set $m (logged by touch)" ' | 
|  | test_config core.logAllRefUpdates false && | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:41" \ | 
|  | git update-ref HEAD $A && | 
|  | test $A = $(cat .git/$m) | 
|  | ' | 
|  |  | 
|  | test_expect_success 'empty directory removal' ' | 
|  | git branch d1/d2/r1 HEAD && | 
|  | git branch d1/r2 HEAD && | 
|  | test_path_is_file .git/refs/heads/d1/d2/r1 && | 
|  | test_path_is_file .git/logs/refs/heads/d1/d2/r1 && | 
|  | git branch -d d1/d2/r1 && | 
|  | test_path_is_missing .git/refs/heads/d1/d2 && | 
|  | test_path_is_missing .git/logs/refs/heads/d1/d2 && | 
|  | test_path_is_file .git/refs/heads/d1/r2 && | 
|  | test_path_is_file .git/logs/refs/heads/d1/r2 | 
|  | ' | 
|  |  | 
|  | test_expect_success 'symref empty directory removal' ' | 
|  | git branch e1/e2/r1 HEAD && | 
|  | git branch e1/r2 HEAD && | 
|  | git checkout e1/e2/r1 && | 
|  | test_when_finished "git checkout master" && | 
|  | test_path_is_file .git/refs/heads/e1/e2/r1 && | 
|  | test_path_is_file .git/logs/refs/heads/e1/e2/r1 && | 
|  | git update-ref -d HEAD && | 
|  | test_path_is_missing .git/refs/heads/e1/e2 && | 
|  | test_path_is_missing .git/logs/refs/heads/e1/e2 && | 
|  | test_path_is_file .git/refs/heads/e1/r2 && | 
|  | test_path_is_file .git/logs/refs/heads/e1/r2 && | 
|  | test_path_is_file .git/logs/HEAD | 
|  | ' | 
|  |  | 
|  | cat >expect <<EOF | 
|  | $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000	Initial Creation | 
|  | $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000	Switch | 
|  | $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000 | 
|  | EOF | 
|  | test_expect_success "verifying $m's log (logged by touch)" ' | 
|  | test_when_finished "rm -rf .git/$m .git/logs expect" && | 
|  | test_cmp expect .git/logs/$m | 
|  | ' | 
|  |  | 
|  | test_expect_success "create $m (logged by config)" ' | 
|  | test_config core.logAllRefUpdates true && | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:32" \ | 
|  | git update-ref HEAD $A -m "Initial Creation" && | 
|  | test $A = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "update $m (logged by config)" ' | 
|  | test_config core.logAllRefUpdates true && | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:33" \ | 
|  | git update-ref HEAD'" $B $A "'-m "Switch" && | 
|  | test $B = $(cat .git/$m) | 
|  | ' | 
|  | test_expect_success "set $m (logged by config)" ' | 
|  | test_config core.logAllRefUpdates true && | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:43" \ | 
|  | git update-ref HEAD $A && | 
|  | test $A = $(cat .git/$m) | 
|  | ' | 
|  |  | 
|  | cat >expect <<EOF | 
|  | $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 +0000	Initial Creation | 
|  | $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 +0000	Switch | 
|  | $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 +0000 | 
|  | EOF | 
|  | test_expect_success "verifying $m's log (logged by config)" ' | 
|  | test_when_finished "rm -f .git/$m .git/logs/$m expect" && | 
|  | test_cmp expect .git/logs/$m | 
|  | ' | 
|  |  | 
|  | git update-ref $m $D | 
|  | cat >.git/logs/$m <<EOF | 
|  | $Z $C $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500 | 
|  | $C $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150350 -0500 | 
|  | $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500 | 
|  | $F $Z $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500 | 
|  | $Z $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500 | 
|  | EOF | 
|  |  | 
|  | ed="Thu, 26 May 2005 18:32:00 -0500" | 
|  | gd="Thu, 26 May 2005 18:33:00 -0500" | 
|  | ld="Thu, 26 May 2005 18:43:00 -0500" | 
|  | test_expect_success 'Query "master@{May 25 2005}" (before history)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify "master@{May 25 2005}" >o 2>e && | 
|  | test $C = $(cat o) && | 
|  | test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)" | 
|  | ' | 
|  | test_expect_success 'Query master@{2005-05-25} (before history)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify master@{2005-05-25} >o 2>e && | 
|  | test $C = $(cat o) && | 
|  | test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)" | 
|  | ' | 
|  | test_expect_success 'Query "master@{May 26 2005 23:31:59}" (1 second before history)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e && | 
|  | test $C = $(cat o) && | 
|  | test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)" | 
|  | ' | 
|  | test_expect_success 'Query "master@{May 26 2005 23:32:00}" (exactly history start)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e && | 
|  | test $C = $(cat o) && | 
|  | test "" = "$(cat e)" | 
|  | ' | 
|  | test_expect_success 'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e && | 
|  | test $A = $(cat o) && | 
|  | test "" = "$(cat e)" | 
|  | ' | 
|  | test_expect_success 'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e && | 
|  | test $B = $(cat o) && | 
|  | test_i18ngrep -F "warning: log for ref $m has gap after $gd" e | 
|  | ' | 
|  | test_expect_success 'Query "master@{2005-05-26 23:38:00}" (middle of history)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e && | 
|  | test $Z = $(cat o) && | 
|  | test "" = "$(cat e)" | 
|  | ' | 
|  | test_expect_success 'Query "master@{2005-05-26 23:43:00}" (exact end of history)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e && | 
|  | test $E = $(cat o) && | 
|  | test "" = "$(cat e)" | 
|  | ' | 
|  | test_expect_success 'Query "master@{2005-05-28}" (past end of history)' ' | 
|  | test_when_finished "rm -f o e" && | 
|  | git rev-parse --verify "master@{2005-05-28}" >o 2>e && | 
|  | test $D = $(cat o) && | 
|  | test_i18ngrep -F "warning: log for ref $m unexpectedly ended on $ld" e | 
|  | ' | 
|  |  | 
|  | rm -f .git/$m .git/logs/$m expect | 
|  |  | 
|  | test_expect_success 'creating initial files' ' | 
|  | test_when_finished rm -f M && | 
|  | echo TEST >F && | 
|  | git add F && | 
|  | GIT_AUTHOR_DATE="2005-05-26 23:30" \ | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a && | 
|  | h_TEST=$(git rev-parse --verify HEAD) && | 
|  | echo The other day this did not work. >M && | 
|  | echo And then Bob told me how to fix it. >>M && | 
|  | echo OTHER >F && | 
|  | GIT_AUTHOR_DATE="2005-05-26 23:41" \ | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a && | 
|  | h_OTHER=$(git rev-parse --verify HEAD) && | 
|  | GIT_AUTHOR_DATE="2005-05-26 23:44" \ | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend && | 
|  | h_FIXED=$(git rev-parse --verify HEAD) && | 
|  | echo Merged initial commit and a later commit. >M && | 
|  | echo $h_TEST >.git/MERGE_HEAD && | 
|  | GIT_AUTHOR_DATE="2005-05-26 23:45" \ | 
|  | GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M && | 
|  | h_MERGED=$(git rev-parse --verify HEAD) | 
|  | ' | 
|  |  | 
|  | cat >expect <<EOF | 
|  | $Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000	commit (initial): add | 
|  | $h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000	commit: The other day this did not work. | 
|  | $h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000	commit (amend): The other day this did not work. | 
|  | $h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000	commit (merge): Merged initial commit and a later commit. | 
|  | EOF | 
|  | test_expect_success 'git commit logged updates' ' | 
|  | test_cmp expect .git/logs/$m | 
|  | ' | 
|  | unset h_TEST h_OTHER h_FIXED h_MERGED | 
|  |  | 
|  | test_expect_success 'git cat-file blob master:F (expect OTHER)' ' | 
|  | test OTHER = $(git cat-file blob master:F) | 
|  | ' | 
|  | test_expect_success 'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' ' | 
|  | test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F") | 
|  | ' | 
|  | test_expect_success 'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' ' | 
|  | test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F") | 
|  | ' | 
|  |  | 
|  | # Test adding and deleting pseudorefs | 
|  |  | 
|  | test_expect_success 'given old value for missing pseudoref, do not create' ' | 
|  | test_must_fail git update-ref PSEUDOREF $A $B 2>err && | 
|  | test_path_is_missing .git/PSEUDOREF && | 
|  | test_i18ngrep "could not read ref" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'create pseudoref' ' | 
|  | git update-ref PSEUDOREF $A && | 
|  | test $A = $(cat .git/PSEUDOREF) | 
|  | ' | 
|  |  | 
|  | test_expect_success 'overwrite pseudoref with no old value given' ' | 
|  | git update-ref PSEUDOREF $B && | 
|  | test $B = $(cat .git/PSEUDOREF) | 
|  | ' | 
|  |  | 
|  | test_expect_success 'overwrite pseudoref with correct old value' ' | 
|  | git update-ref PSEUDOREF $C $B && | 
|  | test $C = $(cat .git/PSEUDOREF) | 
|  | ' | 
|  |  | 
|  | test_expect_success 'do not overwrite pseudoref with wrong old value' ' | 
|  | test_must_fail git update-ref PSEUDOREF $D $E 2>err && | 
|  | test $C = $(cat .git/PSEUDOREF) && | 
|  | test_i18ngrep "unexpected object ID" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'delete pseudoref' ' | 
|  | git update-ref -d PSEUDOREF && | 
|  | test_path_is_missing .git/PSEUDOREF | 
|  | ' | 
|  |  | 
|  | test_expect_success 'do not delete pseudoref with wrong old value' ' | 
|  | git update-ref PSEUDOREF $A && | 
|  | test_must_fail git update-ref -d PSEUDOREF $B 2>err && | 
|  | test $A = $(cat .git/PSEUDOREF) && | 
|  | test_i18ngrep "unexpected object ID" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'delete pseudoref with correct old value' ' | 
|  | git update-ref -d PSEUDOREF $A && | 
|  | test_path_is_missing .git/PSEUDOREF | 
|  | ' | 
|  |  | 
|  | test_expect_success 'create pseudoref with old OID zero' ' | 
|  | git update-ref PSEUDOREF $A $Z && | 
|  | test $A = $(cat .git/PSEUDOREF) | 
|  | ' | 
|  |  | 
|  | test_expect_success 'do not overwrite pseudoref with old OID zero' ' | 
|  | test_when_finished git update-ref -d PSEUDOREF && | 
|  | test_must_fail git update-ref PSEUDOREF $B $Z 2>err && | 
|  | test $A = $(cat .git/PSEUDOREF) && | 
|  | test_i18ngrep "already exists" err | 
|  | ' | 
|  |  | 
|  | # Test --stdin | 
|  |  | 
|  | a=refs/heads/a | 
|  | b=refs/heads/b | 
|  | c=refs/heads/c | 
|  | E='""' | 
|  | F='%s\0' | 
|  | pws='path with space' | 
|  |  | 
|  | test_expect_success 'stdin test setup' ' | 
|  | echo "$pws" >"$pws" && | 
|  | git add -- "$pws" && | 
|  | git commit -m "$pws" | 
|  | ' | 
|  |  | 
|  | test_expect_success '-z fails without --stdin' ' | 
|  | test_must_fail git update-ref -z $m $m $m 2>err && | 
|  | test_i18ngrep "usage: git update-ref" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin works with no input' ' | 
|  | >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse --verify -q $m | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails on empty line' ' | 
|  | echo "" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: empty command in input" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails on only whitespace' ' | 
|  | echo " " >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: whitespace before command:  " err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails on leading whitespace' ' | 
|  | echo " create $a $m" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: whitespace before command:  create $a $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails on unknown command' ' | 
|  | echo "unknown $a" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: unknown command: unknown $a" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails on unbalanced quotes' ' | 
|  | echo "create $a \"master" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: badly quoted argument: \\\"master" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails on invalid escape' ' | 
|  | echo "create $a \"ma\zter\"" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails on junk after quoted argument' ' | 
|  | echo "create \"$a\"master" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails create with no ref' ' | 
|  | echo "create " >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: create: missing <ref>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails create with no new value' ' | 
|  | echo "create $a" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: create $a: missing <newvalue>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails create with too many arguments' ' | 
|  | echo "create $a $m $m" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: create $a: extra input:  $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails update with no ref' ' | 
|  | echo "update " >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: update: missing <ref>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails update with no new value' ' | 
|  | echo "update $a" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: update $a: missing <newvalue>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails update with too many arguments' ' | 
|  | echo "update $a $m $m $m" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: update $a: extra input:  $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails delete with no ref' ' | 
|  | echo "delete " >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: delete: missing <ref>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails delete with too many arguments' ' | 
|  | echo "delete $a $m $m" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: delete $a: extra input:  $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails verify with too many arguments' ' | 
|  | echo "verify $a $m $m" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: verify $a: extra input:  $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails option with unknown name' ' | 
|  | echo "option unknown" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: option unknown: unknown" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin fails with duplicate refs' ' | 
|  | cat >stdin <<-EOF && | 
|  | create $a $m | 
|  | create $b $m | 
|  | create $a $m | 
|  | EOF | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | test_i18ngrep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin create ref works' ' | 
|  | echo "create $a $m" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin does not create reflogs by default' ' | 
|  | test_when_finished "git update-ref -d $outside" && | 
|  | echo "create $outside $m" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $outside >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git reflog exists $outside | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin creates reflogs with --create-reflog' ' | 
|  | test_when_finished "git update-ref -d $outside" && | 
|  | echo "create $outside $m" >stdin && | 
|  | git update-ref --create-reflog --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $outside >actual && | 
|  | test_cmp expect actual && | 
|  | git reflog exists $outside | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin succeeds with quoted argument' ' | 
|  | git update-ref -d $a && | 
|  | echo "create $a \"$m\"" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin succeeds with escaped character' ' | 
|  | git update-ref -d $a && | 
|  | echo "create $a \"ma\\163ter\"" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update ref creates with zero old value' ' | 
|  | echo "update $b $m $Z" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual && | 
|  | git update-ref -d $b | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update ref creates with empty old value' ' | 
|  | echo "update $b $m $E" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin create ref works with path with space to blob' ' | 
|  | echo "create refs/blobs/pws \"$m:$pws\"" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse "$m:$pws" >expect && | 
|  | git rev-parse refs/blobs/pws >actual && | 
|  | test_cmp expect actual && | 
|  | git update-ref -d refs/blobs/pws | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update ref fails with wrong old value' ' | 
|  | echo "update $c $m $m~1" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: cannot lock ref '"'"'$c'"'"'" err && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update ref fails with bad old value' ' | 
|  | echo "update $c $m does-not-exist" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin create ref fails with bad new value' ' | 
|  | echo "create $c does-not-exist" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: create $c: invalid <newvalue>: does-not-exist" err && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin create ref fails with zero new value' ' | 
|  | echo "create $c " >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: create $c: zero <newvalue>" err && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update ref works with right old value' ' | 
|  | echo "update $b $m~1 $m" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m~1 >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin delete ref fails with wrong old value' ' | 
|  | echo "delete $a $m~1" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: cannot lock ref '"'"'$a'"'"'" err && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin delete ref fails with zero old value' ' | 
|  | echo "delete $a " >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: delete $a: zero <oldvalue>" err && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update symref works option no-deref' ' | 
|  | git symbolic-ref TESTSYMREF $b && | 
|  | cat >stdin <<-EOF && | 
|  | option no-deref | 
|  | update TESTSYMREF $a $b | 
|  | EOF | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse TESTSYMREF >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $m~1 >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin delete symref works option no-deref' ' | 
|  | git symbolic-ref TESTSYMREF $b && | 
|  | cat >stdin <<-EOF && | 
|  | option no-deref | 
|  | delete TESTSYMREF $b | 
|  | EOF | 
|  | git update-ref --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q TESTSYMREF && | 
|  | git rev-parse $m~1 >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update symref works flag --no-deref' ' | 
|  | git symbolic-ref TESTSYMREFONE $b && | 
|  | git symbolic-ref TESTSYMREFTWO $b && | 
|  | cat >stdin <<-EOF && | 
|  | update TESTSYMREFONE $a $b | 
|  | update TESTSYMREFTWO $a $b | 
|  | EOF | 
|  | git update-ref --no-deref --stdin <stdin && | 
|  | git rev-parse TESTSYMREFONE TESTSYMREFTWO >expect && | 
|  | git rev-parse $a $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $m~1 >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin delete symref works flag --no-deref' ' | 
|  | git symbolic-ref TESTSYMREFONE $b && | 
|  | git symbolic-ref TESTSYMREFTWO $b && | 
|  | cat >stdin <<-EOF && | 
|  | delete TESTSYMREFONE $b | 
|  | delete TESTSYMREFTWO $b | 
|  | EOF | 
|  | git update-ref --no-deref --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q TESTSYMREFONE && | 
|  | test_must_fail git rev-parse --verify -q TESTSYMREFTWO && | 
|  | git rev-parse $m~1 >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin delete ref works with right old value' ' | 
|  | echo "delete $b $m~1" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q $b | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update/create/verify combination works' ' | 
|  | cat >stdin <<-EOF && | 
|  | update $a $m | 
|  | create $b $m | 
|  | verify $c | 
|  | EOF | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin verify succeeds for correct value' ' | 
|  | git rev-parse $m >expect && | 
|  | echo "verify $m $m" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin verify succeeds for missing reference' ' | 
|  | echo "verify refs/heads/missing $Z" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q refs/heads/missing | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin verify treats no value as missing' ' | 
|  | echo "verify refs/heads/missing" >stdin && | 
|  | git update-ref --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q refs/heads/missing | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin verify fails for wrong value' ' | 
|  | git rev-parse $m >expect && | 
|  | echo "verify $m $m~1" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin && | 
|  | git rev-parse $m >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin verify fails for mistaken null value' ' | 
|  | git rev-parse $m >expect && | 
|  | echo "verify $m $Z" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin && | 
|  | git rev-parse $m >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin verify fails for mistaken empty value' ' | 
|  | M=$(git rev-parse $m) && | 
|  | test_when_finished "git update-ref $m $M" && | 
|  | git rev-parse $m >expect && | 
|  | echo "verify $m" >stdin && | 
|  | test_must_fail git update-ref --stdin <stdin && | 
|  | git rev-parse $m >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update refs works with identity updates' ' | 
|  | cat >stdin <<-EOF && | 
|  | update $a $m $m | 
|  | update $b $m $m | 
|  | update $c $Z $E | 
|  | EOF | 
|  | git update-ref --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin update refs fails with wrong old value' ' | 
|  | git update-ref $c $m && | 
|  | cat >stdin <<-EOF && | 
|  | update $a $m $m | 
|  | update $b $m $m | 
|  | update $c  '' | 
|  | EOF | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | grep "fatal: cannot lock ref '"'"'$c'"'"'" err && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $c >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin delete refs works with packed and loose refs' ' | 
|  | git pack-refs --all && | 
|  | git update-ref $c $m~1 && | 
|  | cat >stdin <<-EOF && | 
|  | delete $a $m | 
|  | update $b $Z $m | 
|  | update $c $E $m~1 | 
|  | EOF | 
|  | git update-ref --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q $a && | 
|  | test_must_fail git rev-parse --verify -q $b && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z works on empty input' ' | 
|  | >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse --verify -q $m | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails on empty line' ' | 
|  | echo "" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: whitespace before command: " err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails on empty command' ' | 
|  | printf $F "" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: empty command in input" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails on only whitespace' ' | 
|  | printf $F " " >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: whitespace before command:  " err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails on leading whitespace' ' | 
|  | printf $F " create $a" "$m" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: whitespace before command:  create $a" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails on unknown command' ' | 
|  | printf $F "unknown $a" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: unknown command: unknown $a" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails create with no ref' ' | 
|  | printf $F "create " >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: create: missing <ref>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails create with no new value' ' | 
|  | printf $F "create $a" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: create $a: unexpected end of input when reading <newvalue>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails create with too many arguments' ' | 
|  | printf $F "create $a" "$m" "$m" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: unknown command: $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails update with no ref' ' | 
|  | printf $F "update " >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: update: missing <ref>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails update with too few args' ' | 
|  | printf $F "update $a" "$m" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z emits warning with empty new value' ' | 
|  | git update-ref $a $m && | 
|  | printf $F "update $a" "" "" >stdin && | 
|  | git update-ref -z --stdin <stdin 2>err && | 
|  | grep "warning: update $a: missing <newvalue>, treating as zero" err && | 
|  | test_must_fail git rev-parse --verify -q $a | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails update with no new value' ' | 
|  | printf $F "update $a" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: update $a: unexpected end of input when reading <newvalue>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails update with no old value' ' | 
|  | printf $F "update $a" "$m" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails update with too many arguments' ' | 
|  | printf $F "update $a" "$m" "$m" "$m" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: unknown command: $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails delete with no ref' ' | 
|  | printf $F "delete " >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: delete: missing <ref>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails delete with no old value' ' | 
|  | printf $F "delete $a" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails delete with too many arguments' ' | 
|  | printf $F "delete $a" "$m" "$m" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: unknown command: $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails verify with too many arguments' ' | 
|  | printf $F "verify $a" "$m" "$m" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: unknown command: $m" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails verify with no old value' ' | 
|  | printf $F "verify $a" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails option with unknown name' ' | 
|  | printf $F "option unknown" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: option unknown: unknown" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z fails with duplicate refs' ' | 
|  | printf $F "create $a" "$m" "create $b" "$m" "create $a" "$m" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | test_i18ngrep "fatal: multiple updates for ref '"'"'$a'"'"' not allowed" err | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z create ref works' ' | 
|  | printf $F "create $a" "$m" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update ref creates with zero old value' ' | 
|  | printf $F "update $b" "$m" "$Z" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual && | 
|  | git update-ref -d $b | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update ref creates with empty old value' ' | 
|  | printf $F "update $b" "$m" "" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z create ref works with path with space to blob' ' | 
|  | printf $F "create refs/blobs/pws" "$m:$pws" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse "$m:$pws" >expect && | 
|  | git rev-parse refs/blobs/pws >actual && | 
|  | test_cmp expect actual && | 
|  | git update-ref -d refs/blobs/pws | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update ref fails with wrong old value' ' | 
|  | printf $F "update $c" "$m" "$m~1" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: cannot lock ref '"'"'$c'"'"'" err && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update ref fails with bad old value' ' | 
|  | printf $F "update $c" "$m" "does-not-exist" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z create ref fails when ref exists' ' | 
|  | git update-ref $c $m && | 
|  | git rev-parse "$c" >expect && | 
|  | printf $F "create $c" "$m~1" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: cannot lock ref '"'"'$c'"'"'" err && | 
|  | git rev-parse "$c" >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z create ref fails with bad new value' ' | 
|  | git update-ref -d "$c" && | 
|  | printf $F "create $c" "does-not-exist" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: create $c: invalid <newvalue>: does-not-exist" err && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z create ref fails with empty new value' ' | 
|  | printf $F "create $c" "" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: create $c: missing <newvalue>" err && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update ref works with right old value' ' | 
|  | printf $F "update $b" "$m~1" "$m" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m~1 >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z delete ref fails with wrong old value' ' | 
|  | printf $F "delete $a" "$m~1" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: cannot lock ref '"'"'$a'"'"'" err && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z delete ref fails with zero old value' ' | 
|  | printf $F "delete $a" "$Z" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: delete $a: zero <oldvalue>" err && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update symref works option no-deref' ' | 
|  | git symbolic-ref TESTSYMREF $b && | 
|  | printf $F "option no-deref" "update TESTSYMREF" "$a" "$b" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse TESTSYMREF >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $m~1 >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z delete symref works option no-deref' ' | 
|  | git symbolic-ref TESTSYMREF $b && | 
|  | printf $F "option no-deref" "delete TESTSYMREF" "$b" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q TESTSYMREF && | 
|  | git rev-parse $m~1 >expect && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z delete ref works with right old value' ' | 
|  | printf $F "delete $b" "$m~1" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q $b | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update/create/verify combination works' ' | 
|  | printf $F "update $a" "$m" "" "create $b" "$m" "verify $c" "" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z verify succeeds for correct value' ' | 
|  | git rev-parse $m >expect && | 
|  | printf $F "verify $m" "$m" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z verify succeeds for missing reference' ' | 
|  | printf $F "verify refs/heads/missing" "$Z" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q refs/heads/missing | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z verify treats no value as missing' ' | 
|  | printf $F "verify refs/heads/missing" "" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q refs/heads/missing | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z verify fails for wrong value' ' | 
|  | git rev-parse $m >expect && | 
|  | printf $F "verify $m" "$m~1" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z verify fails for mistaken null value' ' | 
|  | git rev-parse $m >expect && | 
|  | printf $F "verify $m" "$Z" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z verify fails for mistaken empty value' ' | 
|  | M=$(git rev-parse $m) && | 
|  | test_when_finished "git update-ref $m $M" && | 
|  | git rev-parse $m >expect && | 
|  | printf $F "verify $m" "" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update refs works with identity updates' ' | 
|  | printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$Z" "" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z update refs fails with wrong old value' ' | 
|  | git update-ref $c $m && | 
|  | printf $F "update $a" "$m" "$m" "update $b" "$m" "$m" "update $c" "$m" "$Z" >stdin && | 
|  | test_must_fail git update-ref -z --stdin <stdin 2>err && | 
|  | grep "fatal: cannot lock ref '"'"'$c'"'"'" err && | 
|  | git rev-parse $m >expect && | 
|  | git rev-parse $a >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $b >actual && | 
|  | test_cmp expect actual && | 
|  | git rev-parse $c >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'stdin -z delete refs works with packed and loose refs' ' | 
|  | git pack-refs --all && | 
|  | git update-ref $c $m~1 && | 
|  | printf $F "delete $a" "$m" "update $b" "$Z" "$m" "update $c" "" "$m~1" >stdin && | 
|  | git update-ref -z --stdin <stdin && | 
|  | test_must_fail git rev-parse --verify -q $a && | 
|  | test_must_fail git rev-parse --verify -q $b && | 
|  | test_must_fail git rev-parse --verify -q $c | 
|  | ' | 
|  |  | 
|  | test_expect_success 'fails with duplicate HEAD update' ' | 
|  | git branch target1 $A && | 
|  | git checkout target1 && | 
|  | cat >stdin <<-EOF && | 
|  | update refs/heads/target1 $C | 
|  | option no-deref | 
|  | update HEAD $B | 
|  | EOF | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | test_i18ngrep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err && | 
|  | echo "refs/heads/target1" >expect && | 
|  | git symbolic-ref HEAD >actual && | 
|  | test_cmp expect actual && | 
|  | echo "$A" >expect && | 
|  | git rev-parse refs/heads/target1 >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | test_expect_success 'fails with duplicate ref update via symref' ' | 
|  | git branch target2 $A && | 
|  | git symbolic-ref refs/heads/symref2 refs/heads/target2 && | 
|  | cat >stdin <<-EOF && | 
|  | update refs/heads/target2 $C | 
|  | update refs/heads/symref2 $B | 
|  | EOF | 
|  | test_must_fail git update-ref --stdin <stdin 2>err && | 
|  | test_i18ngrep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err && | 
|  | echo "refs/heads/target2" >expect && | 
|  | git symbolic-ref refs/heads/symref2 >actual && | 
|  | test_cmp expect actual && | 
|  | echo "$A" >expect && | 
|  | git rev-parse refs/heads/target2 >actual && | 
|  | test_cmp expect actual | 
|  | ' | 
|  |  | 
|  | run_with_limited_open_files () { | 
|  | (ulimit -n 32 && "$@") | 
|  | } | 
|  |  | 
|  | test_lazy_prereq ULIMIT_FILE_DESCRIPTORS ' | 
|  | test_have_prereq !MINGW,!CYGWIN && | 
|  | run_with_limited_open_files true | 
|  | ' | 
|  |  | 
|  | test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction creating branches does not burst open file limit' ' | 
|  | ( | 
|  | for i in $(test_seq 33) | 
|  | do | 
|  | echo "create refs/heads/$i HEAD" | 
|  | done >large_input && | 
|  | run_with_limited_open_files git update-ref --stdin <large_input && | 
|  | git rev-parse --verify -q refs/heads/33 | 
|  | ) | 
|  | ' | 
|  |  | 
|  | test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction deleting branches does not burst open file limit' ' | 
|  | ( | 
|  | for i in $(test_seq 33) | 
|  | do | 
|  | echo "delete refs/heads/$i HEAD" | 
|  | done >large_input && | 
|  | run_with_limited_open_files git update-ref --stdin <large_input && | 
|  | test_must_fail git rev-parse --verify -q refs/heads/33 | 
|  | ) | 
|  | ' | 
|  |  | 
|  | test_expect_success 'handle per-worktree refs in refs/bisect' ' | 
|  | git commit --allow-empty -m "initial commit" && | 
|  | git worktree add -b branch worktree && | 
|  | ( | 
|  | cd worktree && | 
|  | git commit --allow-empty -m "test commit"  && | 
|  | git for-each-ref >for-each-ref.out && | 
|  | ! grep refs/bisect for-each-ref.out && | 
|  | git update-ref refs/bisect/something HEAD && | 
|  | git rev-parse refs/bisect/something >../worktree-head && | 
|  | git for-each-ref | grep refs/bisect/something | 
|  | ) && | 
|  | test_path_is_missing .git/refs/bisect && | 
|  | test_must_fail git rev-parse refs/bisect/something && | 
|  | git update-ref refs/bisect/something HEAD && | 
|  | git rev-parse refs/bisect/something >main-head && | 
|  | ! test_cmp main-head worktree-head | 
|  | ' | 
|  |  | 
|  | test_done |