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Diffstat (limited to 't/t1400-update-ref.sh')
| -rwxr-xr-x | t/t1400-update-ref.sh | 1647 |
1 files changed, 1647 insertions, 0 deletions
diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh new file mode 100755 index 0000000..9ac4b70 --- /dev/null +++ b/t/t1400-update-ref.sh @@ -0,0 +1,1647 @@ +#!/bin/sh +# +# Copyright (c) 2006 Shawn Pearce +# + +test_description='Test git update-ref and basic ref logging' +. ./test-lib.sh + +Z=$ZERO_OID + +m=refs/heads/main +n_dir=refs/heads/gu +n=$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 ' + git checkout --orphan main && + create_test_commits "" && + mkdir $bare && + cd $bare && + git init --bare -b main && + create_test_commits "bare" && + cd - +' + +test_expect_success "create $m" ' + git update-ref $m $A && + test $A = $(git show-ref -s --verify $m) +' +test_expect_success "create $m with oldvalue verification" ' + git update-ref $m $B $A && + test $B = $(git show-ref -s --verify $m) +' +test_expect_success "fail to delete $m with stale ref" ' + test_must_fail git update-ref -d $m $A && + test $B = "$(git show-ref -s --verify $m)" +' +test_expect_success "delete $m" ' + test_when_finished "git update-ref -d $m" && + git update-ref -d $m $B && + test_must_fail git show-ref --verify -q $m +' + +test_expect_success "delete $m without oldvalue verification" ' + test_when_finished "git update-ref -d $m" && + git update-ref $m $A && + test $A = $(git show-ref -s --verify $m) && + git update-ref -d $m && + test_must_fail git show-ref --verify -q $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 = $(git show-ref -s --verify $m) +' +test_expect_success "create $m (by HEAD) with oldvalue verification" ' + git update-ref HEAD $B $A && + test $B = $(git show-ref -s --verify $m) +' +test_expect_success "fail to delete $m (by HEAD) with stale ref" ' + test_must_fail git update-ref -d HEAD $A && + test $B = $(git show-ref -s --verify $m) +' +test_expect_success "delete $m (by HEAD)" ' + test_when_finished "git update-ref -d $m" && + git update-ref -d HEAD $B && + test_must_fail git show-ref --verify -q $m +' + +test_expect_success "deleting current branch adds message to HEAD's log" ' + test_when_finished "git update-ref -d $m" && + git update-ref $m $A && + git symbolic-ref HEAD $m && + git update-ref -m delete-$m -d $m && + test_must_fail git show-ref --verify -q $m && + grep "delete-$m$" .git/logs/HEAD +' + +test_expect_success "deleting by HEAD adds message to HEAD's log" ' + test_when_finished "git update-ref -d $m" && + git update-ref $m $A && + git symbolic-ref HEAD $m && + git update-ref -m delete-by-head -d HEAD && + test_must_fail git show-ref --verify -q $m && + grep "delete-by-head$" .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 reflog for ORIG_HEAD' ' + test_config core.logAllRefUpdates always && + git update-ref ORIG_HEAD $A && + 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 = $(git show-ref -s --verify $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 = $(git show-ref -s --verify $m) +' +test_expect_success "delete $m (by HEAD) should remove both packed and loose $m" ' + test_when_finished "git update-ref -d $m" && + git update-ref -d HEAD $B && + ! grep "$m" .git/packed-refs && + test_must_fail git show-ref --verify -q $m +' + +test_expect_success 'delete symref without dereference' ' + test_when_finished "git update-ref -d $m" && + echo foo >foo.c && + git add foo.c && + git commit -m foo && + git symbolic-ref SYMREF $m && + git update-ref --no-deref -d SYMREF && + git show-ref --verify -q $m && + test_must_fail git show-ref --verify -q SYMREF && + test_must_fail git symbolic-ref SYMREF +' + +test_expect_success 'delete symref without dereference when the referred ref is packed' ' + test_when_finished "git update-ref -d $m" && + echo foo >foo.c && + git add foo.c && + git commit -m foo && + git symbolic-ref SYMREF $m && + git pack-refs --all && + git update-ref --no-deref -d SYMREF && + git show-ref --verify -q $m && + test_must_fail git show-ref --verify -q SYMREF && + test_must_fail git symbolic-ref SYMREF +' + +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_must_fail git show-ref --verify -q 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 "git update-ref -d 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_must_fail git show-ref --verify -q 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 "git update-ref -d $m" && + test_must_fail git show-ref --verify -q $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 "git update-ref -d $m" && + ! test $B = $(git show-ref -s --verify $m) +' + +rm -f .git/logs/refs/heads/main +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 = $(git show-ref -s --verify $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 = $(git show-ref -s --verify $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 = $(git show-ref -s --verify $m) +' + +test_expect_success 'empty directory removal' ' + git branch d1/d2/r1 HEAD && + git branch d1/r2 HEAD && + test_path_is_file .git/refs/heads/d1/d2/r1 && + test_path_is_file .git/logs/refs/heads/d1/d2/r1 && + git branch -d d1/d2/r1 && + test_must_fail git show-ref --verify -q refs/heads/d1/d2 && + test_must_fail git show-ref --verify -q logs/refs/heads/d1/d2 && + test_path_is_file .git/refs/heads/d1/r2 && + test_path_is_file .git/logs/refs/heads/d1/r2 +' + +test_expect_success 'symref empty directory removal' ' + git branch e1/e2/r1 HEAD && + git branch e1/r2 HEAD && + git checkout e1/e2/r1 && + test_when_finished "git checkout main" && + test_path_is_file .git/refs/heads/e1/e2/r1 && + test_path_is_file .git/logs/refs/heads/e1/e2/r1 && + git update-ref -d HEAD && + test_must_fail git show-ref --verify -q refs/heads/e1/e2 && + test_must_fail git show-ref --verify -q logs/refs/heads/e1/e2 && + test_path_is_file .git/refs/heads/e1/r2 && + test_path_is_file .git/logs/refs/heads/e1/r2 && + test_path_is_file .git/logs/HEAD +' + +cat >expect <<EOF +$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 "git update-ref -d $m && rm -rf .git/logs actual expect" && + test-tool ref-store main for-each-reflog-ent $m >actual && + test_cmp actual expect +' + +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 = $(git show-ref -s --verify $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 = $(git show-ref -s --verify $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 = $(git show-ref -s --verify $m) +' + +cat >expect <<EOF +$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 "git update-ref -d $m && rm -rf .git/logs actual expect" && + test-tool ref-store main for-each-reflog-ent $m >actual && + test_cmp actual expect +' + +test_expect_success 'set up for querying the reflog' ' + 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 "main@{May 25 2005}" (before history)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{May 25 2005}" >o 2>e && + echo "$C" >expect && + test_cmp expect o && + echo "warning: log for '\''main'\'' only goes back to $ed" >expect && + test_cmp expect e +' +test_expect_success 'Query main@{2005-05-25} (before history)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify main@{2005-05-25} >o 2>e && + echo "$C" >expect && + test_cmp expect o && + echo "warning: log for '\''main'\'' only goes back to $ed" >expect && + test_cmp expect e +' +test_expect_success 'Query "main@{May 26 2005 23:31:59}" (1 second before history)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{May 26 2005 23:31:59}" >o 2>e && + echo "$C" >expect && + test_cmp expect o && + echo "warning: log for '\''main'\'' only goes back to $ed" >expect && + test_cmp expect e +' +test_expect_success 'Query "main@{May 26 2005 23:32:00}" (exactly history start)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{May 26 2005 23:32:00}" >o 2>e && + echo "$C" >expect && + test_cmp expect o && + test_must_be_empty e +' +test_expect_success 'Query "main@{May 26 2005 23:32:30}" (first non-creation change)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{May 26 2005 23:32:30}" >o 2>e && + echo "$A" >expect && + test_cmp expect o && + test_must_be_empty e +' +test_expect_success 'Query "main@{2005-05-26 23:33:01}" (middle of history with gap)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{2005-05-26 23:33:01}" >o 2>e && + echo "$B" >expect && + test_cmp expect o && + test_grep -F "warning: log for ref $m has gap after $gd" e +' +test_expect_success 'Query "main@{2005-05-26 23:38:00}" (middle of history)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{2005-05-26 23:38:00}" >o 2>e && + echo "$Z" >expect && + test_cmp expect o && + test_must_be_empty e +' +test_expect_success 'Query "main@{2005-05-26 23:43:00}" (exact end of history)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{2005-05-26 23:43:00}" >o 2>e && + echo "$E" >expect && + test_cmp expect o && + test_must_be_empty e +' +test_expect_success 'Query "main@{2005-05-28}" (past end of history)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{2005-05-28}" >o 2>e && + echo "$D" >expect && + test_cmp expect o && + test_grep -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-tool ref-store main for-each-reflog-ent $m >actual && + test_cmp expect actual +' +unset h_TEST h_OTHER h_FIXED h_MERGED + +test_expect_success 'git cat-file blob main:F (expect OTHER)' ' + test OTHER = $(git cat-file blob main:F) +' +test_expect_success 'git cat-file blob main@{2005-05-26 23:30}:F (expect TEST)' ' + test TEST = $(git cat-file blob "main@{2005-05-26 23:30}:F") +' +test_expect_success 'git cat-file blob main@{2005-05-26 23:42}:F (expect OTHER)' ' + test OTHER = $(git cat-file blob "main@{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_must_fail git rev-parse PSEUDOREF && + test_grep "unable to resolve reference" err +' + +test_expect_success 'create pseudoref' ' + git update-ref PSEUDOREF $A && + test $A = $(git rev-parse PSEUDOREF) +' + +test_expect_success 'overwrite pseudoref with no old value given' ' + git update-ref PSEUDOREF $B && + test $B = $(git rev-parse PSEUDOREF) +' + +test_expect_success 'overwrite pseudoref with correct old value' ' + git update-ref PSEUDOREF $C $B && + test $C = $(git rev-parse 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 = $(git rev-parse PSEUDOREF) && + test_grep "cannot lock ref.*expected" err +' + +test_expect_success 'delete pseudoref' ' + git update-ref -d PSEUDOREF && + test_must_fail git rev-parse 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 = $(git rev-parse PSEUDOREF) && + test_grep "cannot lock ref.*expected" err +' + +test_expect_success 'delete pseudoref with correct old value' ' + git update-ref -d PSEUDOREF $A && + test_must_fail git rev-parse PSEUDOREF +' + +test_expect_success 'create pseudoref with old OID zero' ' + git update-ref PSEUDOREF $A $Z && + test $A = $(git rev-parse 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 = $(git rev-parse PSEUDOREF) && + test_grep "already exists" err +' + +# Test --stdin + +a=refs/heads/a +b=refs/heads/b +c=refs/heads/c +E='""' +F='%s\0' +pws='path with space' + +test_expect_success 'stdin test setup' ' + echo "$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_grep "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 \"main" >stdin && + test_must_fail git update-ref --stdin <stdin 2>err && + grep "fatal: badly quoted argument: \\\"main" err +' + +test_expect_success 'stdin fails on invalid escape' ' + echo "create $a \"ma\zn\"" >stdin && + test_must_fail git update-ref --stdin <stdin 2>err && + grep "fatal: badly quoted argument: \\\"ma\\\\zn\\\"" err +' + +test_expect_success 'stdin fails on junk after quoted argument' ' + echo "create \"$a\"main" >stdin && + test_must_fail git update-ref --stdin <stdin 2>err && + grep "fatal: unexpected character after quoted argument: \\\"$a\\\"main" 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 $m + EOF + test_must_fail git update-ref --stdin <stdin 2>err && + test_grep "fatal: multiple updates for ref '"'"'$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\\151n\"" >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_grep "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 $B + EOF + test_must_fail git update-ref --stdin <stdin 2>err && + test_grep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err && + echo "refs/heads/target1" >expect && + git symbolic-ref HEAD >actual && + test_cmp expect actual && + echo "$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 $B + EOF + test_must_fail git update-ref --stdin <stdin 2>err && + test_grep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err && + echo "refs/heads/target2" >expect && + git symbolic-ref refs/heads/symref2 >actual && + test_cmp expect actual && + echo "$A" >expect && + git rev-parse refs/heads/target2 >actual && + test_cmp expect actual +' + +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" || exit 1 + 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" || exit 1 + 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 + ) && + git show-ref >actual && + ! grep 'refs/bisect' actual && + 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_expect_success 'transaction handles empty commit' ' + cat >stdin <<-EOF && + start + prepare + commit + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start prepare commit >expect && + test_cmp expect actual +' + +test_expect_success 'transaction handles empty commit with missing prepare' ' + cat >stdin <<-EOF && + start + commit + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start commit >expect && + test_cmp expect actual +' + +test_expect_success 'transaction handles sole commit' ' + cat >stdin <<-EOF && + commit + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" commit >expect && + test_cmp expect actual +' + +test_expect_success 'transaction handles empty abort' ' + cat >stdin <<-EOF && + start + prepare + abort + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start prepare abort >expect && + test_cmp expect actual +' + +test_expect_success 'transaction exits on multiple aborts' ' + cat >stdin <<-EOF && + abort + abort + EOF + test_must_fail git update-ref --stdin <stdin >actual 2>err && + printf "%s: ok\n" abort >expect && + test_cmp expect actual && + grep "fatal: transaction is closed" err +' + +test_expect_success 'transaction exits on start after prepare' ' + cat >stdin <<-EOF && + prepare + start + EOF + test_must_fail git update-ref --stdin <stdin 2>err >actual && + printf "%s: ok\n" prepare >expect && + test_cmp expect actual && + grep "fatal: prepared transactions can only be closed" err +' + +test_expect_success 'transaction handles empty abort with missing prepare' ' + cat >stdin <<-EOF && + start + abort + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start abort >expect && + test_cmp expect actual +' + +test_expect_success 'transaction handles sole abort' ' + cat >stdin <<-EOF && + abort + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" abort >expect && + test_cmp expect actual +' + +test_expect_success 'transaction can handle commit' ' + cat >stdin <<-EOF && + start + create $a HEAD + commit + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start commit >expect && + test_cmp expect actual && + git rev-parse HEAD >expect && + git rev-parse $a >actual && + test_cmp expect actual +' + +test_expect_success 'transaction can handle abort' ' + cat >stdin <<-EOF && + start + create $b HEAD + abort + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start abort >expect && + test_cmp expect actual && + test_must_fail git show-ref --verify -q $b +' + +test_expect_success 'transaction aborts by default' ' + cat >stdin <<-EOF && + start + create $b HEAD + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start >expect && + test_cmp expect actual && + test_must_fail git show-ref --verify -q $b +' + +test_expect_success 'transaction with prepare aborts by default' ' + cat >stdin <<-EOF && + start + create $b HEAD + prepare + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start prepare >expect && + test_cmp expect actual && + test_must_fail git show-ref --verify -q $b +' + +test_expect_success 'transaction can commit multiple times' ' + cat >stdin <<-EOF && + start + create refs/heads/branch-1 $A + commit + start + create refs/heads/branch-2 $B + commit + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start commit start commit >expect && + test_cmp expect actual && + echo "$A" >expect && + git rev-parse refs/heads/branch-1 >actual && + test_cmp expect actual && + echo "$B" >expect && + git rev-parse refs/heads/branch-2 >actual && + test_cmp expect actual +' + +test_expect_success 'transaction can create and delete' ' + cat >stdin <<-EOF && + start + create refs/heads/create-and-delete $A + commit + start + delete refs/heads/create-and-delete $A + commit + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start commit start commit >expect && + test_cmp expect actual && + test_must_fail git show-ref --verify refs/heads/create-and-delete +' + +test_expect_success 'transaction can commit after abort' ' + cat >stdin <<-EOF && + start + create refs/heads/abort $A + abort + start + create refs/heads/abort $A + commit + EOF + git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start abort start commit >expect && + echo "$A" >expect && + git rev-parse refs/heads/abort >actual && + test_cmp expect actual +' + +test_expect_success 'transaction cannot restart ongoing transaction' ' + cat >stdin <<-EOF && + start + create refs/heads/restart $A + start + commit + EOF + test_must_fail git update-ref --stdin <stdin >actual && + printf "%s: ok\n" start >expect && + test_cmp expect actual && + test_must_fail git show-ref --verify refs/heads/restart +' + +test_expect_success PIPE 'transaction flushes status updates' ' + mkfifo in out && + (git update-ref --stdin <in >out &) && + + exec 9>in && + exec 8<out && + test_when_finished "exec 9>&-" && + test_when_finished "exec 8<&-" && + + echo "start" >&9 && + echo "start: ok" >expected && + read line <&8 && + echo "$line" >actual && + test_cmp expected actual && + + echo "create refs/heads/flush $A" >&9 && + + echo prepare >&9 && + echo "prepare: ok" >expected && + read line <&8 && + echo "$line" >actual && + test_cmp expected actual && + + # This must now fail given that we have locked the ref. + test_must_fail git update-ref refs/heads/flush $B 2>stderr && + grep "fatal: update_ref failed for ref ${SQ}refs/heads/flush${SQ}: cannot lock ref" stderr && + + echo commit >&9 && + echo "commit: ok" >expected && + read line <&8 && + echo "$line" >actual && + test_cmp expected actual +' + +test_expect_success 'directory not created deleting packed ref' ' + git branch d1/d2/r1 HEAD && + git pack-refs --all && + test_path_is_missing .git/refs/heads/d1/d2 && + git update-ref -d refs/heads/d1/d2/r1 && + test_path_is_missing .git/refs/heads/d1/d2 && + test_path_is_missing .git/refs/heads/d1 +' + +test_done |