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Diffstat (limited to 't/t1400-update-ref.sh')
| -rwxr-xr-x | t/t1400-update-ref.sh | 2371 |
1 files changed, 2371 insertions, 0 deletions
diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh new file mode 100755 index 0000000000..96648a6e5d --- /dev/null +++ b/t/t1400-update-ref.sh @@ -0,0 +1,2371 @@ +#!/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 +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 due to file/directory conflict" ' + test_when_finished "git update-ref -d refs/heads/gu" && + git update-ref refs/heads/gu $A && + test_must_fail git update-ref refs/heads/gu/fixes $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 $m && + test-tool ref-store main for-each-reflog-ent HEAD >actual && + grep "delete-$m$" actual +' + +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 $m && + test-tool ref-store main for-each-reflog-ent HEAD >actual && + grep "delete-by-head$" actual +' + +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 && \ + test-tool ref-store main delete-reflog $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' ' + test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF refs/heads/self" && + git symbolic-ref refs/heads/self refs/heads/self && + git symbolic-ref --no-recurse refs/heads/self && + test_must_fail git update-ref -d refs/heads/self && + git symbolic-ref --no-recurse refs/heads/self +' + +test_expect_success 'update-ref --no-deref -d can delete self-reference' ' + test_when_finished "test-tool ref-store main delete-refs REF_NO_DEREF refs/heads/self" && + git symbolic-ref refs/heads/self refs/heads/self && + git symbolic-ref --no-recurse 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 REFFILES '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" && + git symbolic-ref --no-recurse 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) +' + +test_expect_success "clean up reflog" ' + test-tool ref-store main delete-reflog $m +' + +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 $m) +' + +cat >expect <<EOF +$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 && git reflog expire --expire=all --all && rm -rf 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 && git reflog expire --expire=all --all && rm -rf 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 -d $m && + test-tool ref-store main delete-reflog $m && + + GIT_COMMITTER_DATE="1117150320 -0500" git update-ref $m $C && + GIT_COMMITTER_DATE="1117150350 -0500" git update-ref $m $A && + GIT_COMMITTER_DATE="1117150380 -0500" git update-ref $m $B && + GIT_COMMITTER_DATE="1117150680 -0500" git update-ref $m $F && + GIT_COMMITTER_DATE="1117150980 -0500" git update-ref $m $E && + git update-ref $m $D && + # Delete the last reflog entry so that the tip of m and the reflog for + # it disagree. + git reflog delete $m@{0} && + + cat >expect <<-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 + $B $F $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500 + $F $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500 + EOF + test-tool ref-store main for-each-reflog-ent $m >actual && + test_cmp expect actual +' + +ed="Thu, 26 May 2005 18:32:00 -0500" +gd="Thu, 26 May 2005 18:33:00 -0500" +ld="Thu, 26 May 2005 18:43:00 -0500" +test_expect_success 'Query "main@{May 25 2005}" (before history)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{May 25 2005}" >o 2>e && + echo "$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_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 "$F" >expect && + test_cmp expect o && + test_must_be_empty e +' +test_expect_success 'Query "main@{2005-05-26 23:43:00}" (exact end of history)' ' + test_when_finished "rm -f o e" && + git rev-parse --verify "main@{2005-05-26 23:43:00}" >o 2>e && + echo "$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 expect +git update-ref -d $m + +test_expect_success 'query reflog with gap' ' + test_when_finished "git update-ref -d $m" && + + GIT_COMMITTER_DATE="1117150320 -0500" git update-ref $m $A && + GIT_COMMITTER_DATE="1117150380 -0500" git update-ref $m $B && + GIT_COMMITTER_DATE="1117150480 -0500" git update-ref $m $C && + GIT_COMMITTER_DATE="1117150580 -0500" git update-ref $m $D && + GIT_COMMITTER_DATE="1117150680 -0500" git update-ref $m $F && + git reflog delete $m@{2} && + + git rev-parse --verify "main@{2005-05-26 23:33:01}" >actual 2>stderr && + echo "$B" >expect && + test_cmp expect actual && + test_grep -F "warning: log for ref $m has gap after $gd" stderr +' + +test_expect_success 'creating initial files' ' + test_when_finished rm -f M && + echo TEST >F && + git add F && + GIT_AUTHOR_DATE="2005-05-26 23:30" \ + GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a && + h_TEST=$(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 show-ref -s --verify PSEUDOREF) +' + +test_expect_success 'overwrite pseudoref with no old value given' ' + git update-ref PSEUDOREF $B && + test $B = $(git show-ref -s --verify PSEUDOREF) +' + +test_expect_success 'overwrite pseudoref with correct old value' ' + git update-ref PSEUDOREF $C $B && + test $C = $(git show-ref -s --verify 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 show-ref -s --verify PSEUDOREF) && + test_grep "cannot lock ref.*expected" err +' + +test_expect_success 'delete pseudoref' ' + git update-ref -d PSEUDOREF && + test_must_fail git show-ref -s --verify 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 show-ref -s --verify 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 show-ref -s --verify PSEUDOREF +' + +test_expect_success 'create pseudoref with old OID zero' ' + git update-ref PSEUDOREF $A $Z && + test $A = $(git show-ref -s --verify 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 = $(git show-ref -s --verify PSEUDOREF) && + test_grep "already exists" err +' + +# Test --stdin + +a=refs/heads/a +b=refs/heads/b +c=refs/heads/c +E='""' +F='%s\0' +pws='path with space' + +test_expect_success 'stdin test setup' ' + echo "$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 <new-oid>" 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 <new-oid>" 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 <old-oid>: 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 <new-oid>: 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 <new-oid>" 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 <old-oid>" 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' ' + test-tool ref-store main for-each-reflog-ent $m >before && + 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-tool ref-store main for-each-reflog-ent $m >after && + test_cmp before after +' + +test_expect_success 'stdin verify succeeds for missing reference' ' + test-tool ref-store main for-each-reflog-ent $m >before && + echo "verify refs/heads/missing $Z" >stdin && + git update-ref --stdin <stdin && + test_must_fail git rev-parse --verify -q refs/heads/missing && + test-tool ref-store main for-each-reflog-ent $m >after && + test_cmp before after +' + +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 <new-oid>" 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 <old-oid>" 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 <new-oid>, 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 <new-oid>" 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 <old-oid>" 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 <old-oid>" 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 <old-oid>" 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 <old-oid>: 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 <new-oid>: 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 <new-oid>" 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 <old-oid>" 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' ' + test_when_finished "git symbolic-ref -d refs/heads/symref2" && + 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' ' +( + test_seq -f "create refs/heads/%d HEAD" 33 >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' ' +( + test_seq -f "delete refs/heads/%d HEAD" 33 >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 +' + +format_command () { + if test "$1" = "-z" + then + shift + printf "$F" "$@" + else + echo "$@" + fi +} + +for type in "" "-z" +do + + test_expect_success "stdin $type symref-verify fails without --no-deref" ' + git symbolic-ref refs/heads/symref $a && + format_command $type "symref-verify refs/heads/symref" "$a" >stdin && + test_must_fail git update-ref --stdin $type <stdin 2>err && + grep "fatal: symref-verify: cannot operate with deref mode" err + ' + + test_expect_success "stdin $type symref-verify fails with too many arguments" ' + format_command $type "symref-verify refs/heads/symref" "$a" "$a" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + if test "$type" = "-z" + then + grep "fatal: unknown command: $a" err + else + grep "fatal: symref-verify refs/heads/symref: extra input: $a" err + fi + ' + + test_expect_success "stdin $type symref-verify succeeds for correct value" ' + git symbolic-ref refs/heads/symref >expect && + test-tool ref-store main for-each-reflog-ent refs/heads/symref >before && + format_command $type "symref-verify refs/heads/symref" "$a" >stdin && + git update-ref --stdin $type --no-deref <stdin && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual && + test-tool ref-store main for-each-reflog-ent refs/heads/symref >after && + test_cmp before after + ' + + test_expect_success "stdin $type symref-verify fails with no value" ' + git symbolic-ref refs/heads/symref >expect && + format_command $type "symref-verify refs/heads/symref" "" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin + ' + + test_expect_success "stdin $type symref-verify succeeds for dangling reference" ' + test_when_finished "git symbolic-ref -d refs/heads/symref2" && + test_must_fail git symbolic-ref refs/heads/nonexistent && + git symbolic-ref refs/heads/symref2 refs/heads/nonexistent && + format_command $type "symref-verify refs/heads/symref2" "refs/heads/nonexistent" >stdin && + git update-ref --stdin $type --no-deref <stdin + ' + + test_expect_success "stdin $type symref-verify fails for missing reference" ' + test-tool ref-store main for-each-reflog-ent refs/heads/symref >before && + format_command $type "symref-verify refs/heads/missing" "refs/heads/unknown" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + grep "fatal: cannot lock ref ${SQ}refs/heads/missing${SQ}: unable to resolve reference ${SQ}refs/heads/missing${SQ}" err && + test_must_fail git rev-parse --verify -q refs/heads/missing && + test-tool ref-store main for-each-reflog-ent refs/heads/symref >after && + test_cmp before after + ' + + test_expect_success "stdin $type symref-verify fails for wrong value" ' + git symbolic-ref refs/heads/symref >expect && + format_command $type "symref-verify refs/heads/symref" "$b" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-verify fails for mistaken null value" ' + git symbolic-ref refs/heads/symref >expect && + format_command $type "symref-verify refs/heads/symref" "$Z" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-delete fails without --no-deref" ' + git symbolic-ref refs/heads/symref $a && + format_command $type "symref-delete refs/heads/symref" "$a" >stdin && + test_must_fail git update-ref --stdin $type <stdin 2>err && + grep "fatal: symref-delete: cannot operate with deref mode" err + ' + + test_expect_success "stdin $type symref-delete fails with no ref" ' + format_command $type "symref-delete " >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + grep "fatal: symref-delete: missing <ref>" err + ' + + test_expect_success "stdin $type symref-delete fails deleting regular ref" ' + test_when_finished "git update-ref -d refs/heads/regularref" && + git update-ref refs/heads/regularref $a && + format_command $type "symref-delete refs/heads/regularref" "$a" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + grep "fatal: cannot lock ref ${SQ}refs/heads/regularref${SQ}: expected symref with target ${SQ}$a${SQ}: but is a regular ref" err + ' + + test_expect_success "stdin $type symref-delete fails with too many arguments" ' + format_command $type "symref-delete refs/heads/symref" "$a" "$a" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + if test "$type" = "-z" + then + grep "fatal: unknown command: $a" err + else + grep "fatal: symref-delete refs/heads/symref: extra input: $a" err + fi + ' + + test_expect_success "stdin $type symref-delete fails with wrong old value" ' + format_command $type "symref-delete refs/heads/symref" "$m" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + grep "fatal: verifying symref target: ${SQ}refs/heads/symref${SQ}: is at $a but expected refs/heads/main" err && + git symbolic-ref refs/heads/symref >expect && + echo $a >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-delete works with right old value" ' + format_command $type "symref-delete refs/heads/symref" "$a" >stdin && + git update-ref --stdin $type --no-deref <stdin && + test_must_fail git rev-parse --verify -q refs/heads/symref + ' + + test_expect_success "stdin $type symref-delete works with empty old value" ' + git symbolic-ref refs/heads/symref $a >stdin && + format_command $type "symref-delete refs/heads/symref" "" >stdin && + git update-ref --stdin $type --no-deref <stdin && + test_must_fail git rev-parse --verify -q $b + ' + + test_expect_success "stdin $type symref-delete succeeds for dangling reference" ' + test_must_fail git symbolic-ref refs/heads/nonexistent && + git symbolic-ref refs/heads/symref2 refs/heads/nonexistent && + format_command $type "symref-delete refs/heads/symref2" "refs/heads/nonexistent" >stdin && + git update-ref --stdin $type --no-deref <stdin && + test_must_fail git symbolic-ref -d refs/heads/symref2 + ' + + test_expect_success "stdin $type symref-delete deletes regular ref without target" ' + git update-ref refs/heads/regularref $a && + format_command $type "symref-delete refs/heads/regularref" >stdin && + git update-ref --stdin $type --no-deref <stdin + ' + + test_expect_success "stdin $type symref-create fails with too many arguments" ' + format_command $type "symref-create refs/heads/symref" "$a" "$a" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + if test "$type" = "-z" + then + grep "fatal: unknown command: $a" err + else + grep "fatal: symref-create refs/heads/symref: extra input: $a" err + fi + ' + + test_expect_success "stdin $type symref-create fails with no target" ' + format_command $type "symref-create refs/heads/symref" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin + ' + + test_expect_success "stdin $type symref-create fails with empty target" ' + format_command $type "symref-create refs/heads/symref" "" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin + ' + + test_expect_success "stdin $type symref-create works" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + format_command $type "symref-create refs/heads/symref" "$a" >stdin && + git update-ref --stdin $type --no-deref <stdin && + git symbolic-ref refs/heads/symref >expect && + echo $a >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-create works with --no-deref" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + format_command $type "symref-create refs/heads/symref" "$a" && + git update-ref --stdin $type <stdin 2>err + ' + + test_expect_success "stdin $type create dangling symref ref works" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + format_command $type "symref-create refs/heads/symref" "refs/heads/unknown" >stdin && + git update-ref --stdin $type --no-deref <stdin && + git symbolic-ref refs/heads/symref >expect && + echo refs/heads/unknown >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-create does not create reflogs by default" ' + test_when_finished "git symbolic-ref -d refs/symref" && + format_command $type "symref-create refs/symref" "$a" >stdin && + git update-ref --stdin $type --no-deref <stdin && + git symbolic-ref refs/symref >expect && + echo $a >actual && + test_cmp expect actual && + test_must_fail git reflog exists refs/symref + ' + + test_expect_success "stdin $type symref-create reflogs with --create-reflog" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + format_command $type "symref-create refs/heads/symref" "$a" >stdin && + git update-ref --create-reflog --stdin $type --no-deref <stdin && + git symbolic-ref refs/heads/symref >expect && + echo $a >actual && + test_cmp expect actual && + git reflog exists refs/heads/symref + ' + + test_expect_success "stdin $type symref-update fails with too many arguments" ' + format_command $type "symref-update refs/heads/symref" "$a" "ref" "$a" "$a" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + if test "$type" = "-z" + then + grep "fatal: unknown command: $a" err + else + grep "fatal: symref-update refs/heads/symref: extra input: $a" err + fi + ' + + test_expect_success "stdin $type symref-update fails with wrong old value argument" ' + format_command $type "symref-update refs/heads/symref" "$a" "foo" "$a" "$a" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + grep "fatal: symref-update refs/heads/symref: invalid arg ${SQ}foo${SQ} for old value" err + ' + + test_expect_success "stdin $type symref-update creates with zero old value" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + format_command $type "symref-update refs/heads/symref" "$a" "oid" "$Z" >stdin && + git update-ref --stdin $type --no-deref <stdin && + echo $a >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update creates with no old value" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + format_command $type "symref-update refs/heads/symref" "$a" >stdin && + git update-ref --stdin $type --no-deref <stdin && + echo $a >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update creates dangling" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + test_must_fail git rev-parse refs/heads/nonexistent && + format_command $type "symref-update refs/heads/symref" "refs/heads/nonexistent" >stdin && + git update-ref --stdin $type --no-deref <stdin && + echo refs/heads/nonexistent >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update fails with wrong old value" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + git symbolic-ref refs/heads/symref $a && + format_command $type "symref-update refs/heads/symref" "$m" "ref" "$b" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin 2>err && + grep "fatal: verifying symref target: ${SQ}refs/heads/symref${SQ}: is at $a but expected $b" err && + test_must_fail git rev-parse --verify -q $c + ' + + test_expect_success "stdin $type symref-update updates dangling ref" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + test_must_fail git rev-parse refs/heads/nonexistent && + git symbolic-ref refs/heads/symref refs/heads/nonexistent && + format_command $type "symref-update refs/heads/symref" "$a" >stdin && + git update-ref --stdin $type --no-deref <stdin && + echo $a >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update updates dangling ref with old value" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + test_must_fail git rev-parse refs/heads/nonexistent && + git symbolic-ref refs/heads/symref refs/heads/nonexistent && + format_command $type "symref-update refs/heads/symref" "$a" "ref" "refs/heads/nonexistent" >stdin && + git update-ref --stdin $type --no-deref <stdin && + echo $a >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update fails update dangling ref with wrong old value" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + test_must_fail git rev-parse refs/heads/nonexistent && + git symbolic-ref refs/heads/symref refs/heads/nonexistent && + format_command $type "symref-update refs/heads/symref" "$a" "ref" "refs/heads/wrongref" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin && + echo refs/heads/nonexistent >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update works with right old value" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + git symbolic-ref refs/heads/symref $a && + format_command $type "symref-update refs/heads/symref" "$m" "ref" "$a" >stdin && + git update-ref --stdin $type --no-deref <stdin && + echo $m >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update works with no old value" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + git symbolic-ref refs/heads/symref $a && + format_command $type "symref-update refs/heads/symref" "$m" >stdin && + git update-ref --stdin $type --no-deref <stdin && + echo $m >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update fails with empty old ref-target" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + git symbolic-ref refs/heads/symref $a && + format_command $type "symref-update refs/heads/symref" "$m" "ref" "" >stdin && + test_must_fail git update-ref --stdin $type --no-deref <stdin && + echo $a >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update creates (with deref)" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + format_command $type "symref-update refs/heads/symref" "$a" >stdin && + git update-ref --stdin $type <stdin && + echo $a >expect && + git symbolic-ref --no-recurse refs/heads/symref >actual && + test_cmp expect actual && + test-tool ref-store main for-each-reflog-ent refs/heads/symref >actual && + grep "$Z $(git rev-parse $a)" actual + ' + + test_expect_success "stdin $type symref-update regular ref to symref with correct old-oid" ' + test_when_finished "git symbolic-ref -d --no-recurse refs/heads/regularref" && + git update-ref --no-deref refs/heads/regularref $a && + format_command $type "symref-update refs/heads/regularref" "$a" "oid" "$(git rev-parse $a)" >stdin && + git update-ref --stdin $type <stdin && + echo $a >expect && + git symbolic-ref --no-recurse refs/heads/regularref >actual && + test_cmp expect actual && + test-tool ref-store main for-each-reflog-ent refs/heads/regularref >actual && + grep "$(git rev-parse $a) $(git rev-parse $a)" actual + ' + + test_expect_success "stdin $type symref-update regular ref to symref fails with wrong old-oid" ' + test_when_finished "git update-ref -d refs/heads/regularref" && + git update-ref --no-deref refs/heads/regularref $a && + format_command $type "symref-update refs/heads/regularref" "$a" "oid" "$(git rev-parse refs/heads/target2)" >stdin && + test_must_fail git update-ref --stdin $type <stdin 2>err && + grep "fatal: cannot lock ref ${SQ}refs/heads/regularref${SQ}: is at $(git rev-parse $a) but expected $(git rev-parse refs/heads/target2)" err && + echo $(git rev-parse $a) >expect && + git rev-parse refs/heads/regularref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update regular ref to symref fails with invalid old-oid" ' + test_when_finished "git update-ref -d refs/heads/regularref" && + git update-ref --no-deref refs/heads/regularref $a && + format_command $type "symref-update refs/heads/regularref" "$a" "oid" "not-a-ref-oid" >stdin && + test_must_fail git update-ref --stdin $type <stdin 2>err && + grep "fatal: symref-update refs/heads/regularref: invalid oid: not-a-ref-oid" err && + echo $(git rev-parse $a) >expect && + git rev-parse refs/heads/regularref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update existing symref with zero old-oid" ' + test_when_finished "git symbolic-ref -d --no-recurse refs/heads/symref" && + git symbolic-ref refs/heads/symref refs/heads/target2 && + format_command $type "symref-update refs/heads/symref" "$a" "oid" "$Z" >stdin && + test_must_fail git update-ref --stdin $type <stdin 2>err && + grep "fatal: cannot lock ref ${SQ}refs/heads/symref${SQ}: reference already exists" err && + echo refs/heads/target2 >expect && + git symbolic-ref refs/heads/symref >actual && + test_cmp expect actual + ' + + test_expect_success "stdin $type symref-update regular ref to symref (with deref)" ' + test_when_finished "git symbolic-ref -d refs/heads/symref" && + test_when_finished "git update-ref -d --no-deref refs/heads/symref2" && + git update-ref refs/heads/symref2 $a && + git symbolic-ref --no-recurse refs/heads/symref refs/heads/symref2 && + format_command $type "symref-update refs/heads/symref" "$a" >stdin && + git update-ref $type --stdin <stdin && + echo $a >expect && + git symbolic-ref --no-recurse refs/heads/symref2 >actual && + test_cmp expect actual && + echo refs/heads/symref2 >expect && + git symbolic-ref --no-recurse refs/heads/symref >actual && + test_cmp expect actual && + test-tool ref-store main for-each-reflog-ent refs/heads/symref >actual && + grep "$(git rev-parse $a) $(git rev-parse $a)" actual + ' + + test_expect_success "stdin $type symref-update regular ref to symref" ' + test_when_finished "git symbolic-ref -d --no-recurse refs/heads/regularref" && + git update-ref --no-deref refs/heads/regularref $a && + format_command $type "symref-update refs/heads/regularref" "$a" >stdin && + git update-ref $type --stdin <stdin && + echo $a >expect && + git symbolic-ref --no-recurse refs/heads/regularref >actual && + test_cmp expect actual && + test-tool ref-store main for-each-reflog-ent refs/heads/regularref >actual && + grep "$(git rev-parse $a) $(git rev-parse $a)" actual + ' + + test_expect_success "stdin $type batch-updates" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit commit && + head=$(git rev-parse HEAD) && + + format_command $type "update refs/heads/ref1" "$head" "$Z" >stdin && + format_command $type "update refs/heads/ref2" "$head" "$Z" >>stdin && + git update-ref $type --stdin --batch-updates <stdin && + echo $head >expect && + git rev-parse refs/heads/ref1 >actual && + test_cmp expect actual && + git rev-parse refs/heads/ref2 >actual && + test_cmp expect actual + ) + ' + + test_expect_success "stdin $type batch-updates with invalid new_oid" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + git update-ref refs/heads/ref1 $head && + git update-ref refs/heads/ref2 $head && + + format_command $type "update refs/heads/ref1" "$old_head" "$head" >stdin && + format_command $type "update refs/heads/ref2" "$(test_oid 001)" "$head" >>stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/ref1 >actual && + test_cmp expect actual && + echo $head >expect && + git rev-parse refs/heads/ref2 >actual && + test_cmp expect actual && + test_grep -q "invalid new value provided" stdout + ) + ' + + test_expect_success "stdin $type batch-updates with non-commit new_oid" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + head_tree=$(git rev-parse HEAD^{tree}) && + git update-ref refs/heads/ref1 $head && + git update-ref refs/heads/ref2 $head && + + format_command $type "update refs/heads/ref1" "$old_head" "$head" >stdin && + format_command $type "update refs/heads/ref2" "$head_tree" "$head" >>stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/ref1 >actual && + test_cmp expect actual && + echo $head >expect && + git rev-parse refs/heads/ref2 >actual && + test_cmp expect actual && + test_grep -q "invalid new value provided" stdout + ) + ' + + test_expect_success "stdin $type batch-updates with non-existent ref" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + git update-ref refs/heads/ref1 $head && + + format_command $type "update refs/heads/ref1" "$old_head" "$head" >stdin && + format_command $type "update refs/heads/ref2" "$old_head" "$head" >>stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/ref1 >actual && + test_cmp expect actual && + test_must_fail git rev-parse refs/heads/ref2 && + test_grep -q "reference does not exist" stdout + ) + ' + + test_expect_success "stdin $type batch-updates with dangling symref" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + git update-ref refs/heads/ref1 $head && + git symbolic-ref refs/heads/ref2 refs/heads/nonexistent && + + format_command $type "update refs/heads/ref1" "$old_head" "$head" >stdin && + format_command $type "update refs/heads/ref2" "$old_head" "$head" >>stdin && + git update-ref $type --no-deref --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/ref1 >actual && + test_cmp expect actual && + echo $head >expect && + test_must_fail git rev-parse refs/heads/ref2 && + test_grep -q "reference does not exist" stdout + ) + ' + + test_expect_success "stdin $type batch-updates with regular ref as symref" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + git update-ref refs/heads/ref1 $head && + git update-ref refs/heads/ref2 $head && + + format_command $type "update refs/heads/ref1" "$old_head" "$head" >stdin && + format_command $type "symref-update refs/heads/ref2" "$old_head" "ref" "refs/heads/nonexistent" >>stdin && + git update-ref $type --no-deref --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/ref1 >actual && + test_cmp expect actual && + echo $head >expect && + echo $head >expect && + git rev-parse refs/heads/ref2 >actual && + test_cmp expect actual && + test_grep -q "expected symref but found regular ref" stdout + ) + ' + + test_expect_success "stdin $type batch-updates with invalid old_oid" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + git update-ref refs/heads/ref1 $head && + git update-ref refs/heads/ref2 $head && + + format_command $type "update refs/heads/ref1" "$old_head" "$head" >stdin && + format_command $type "update refs/heads/ref2" "$old_head" "$Z" >>stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/ref1 >actual && + test_cmp expect actual && + echo $head >expect && + git rev-parse refs/heads/ref2 >actual && + test_cmp expect actual && + test_grep -q "reference already exists" stdout + ) + ' + + test_expect_success "stdin $type batch-updates with incorrect old oid" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + git update-ref refs/heads/ref1 $head && + git update-ref refs/heads/ref2 $head && + + format_command $type "update refs/heads/ref1" "$old_head" "$head" >stdin && + format_command $type "update refs/heads/ref2" "$head" "$old_head" >>stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/ref1 >actual && + test_cmp expect actual && + echo $head >expect && + git rev-parse refs/heads/ref2 >actual && + test_cmp expect actual && + test_grep -q "incorrect old value provided" stdout + ) + ' + + test_expect_success "stdin $type batch-updates refname conflict" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + git update-ref refs/heads/ref/foo $head && + + format_command $type "update refs/heads/ref/foo" "$old_head" "$head" >stdin && + format_command $type "update refs/heads/ref" "$old_head" "" >>stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/ref/foo >actual && + test_cmp expect actual && + test_grep -q "refname conflict" stdout + ) + ' + + test_expect_success "stdin $type batch-updates refname conflict new ref" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit one && + old_head=$(git rev-parse HEAD) && + test_commit two && + head=$(git rev-parse HEAD) && + git update-ref refs/heads/ref/foo $head && + + format_command $type "update refs/heads/foo" "$old_head" "" >stdin && + format_command $type "update refs/heads/ref" "$old_head" "" >>stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + echo $old_head >expect && + git rev-parse refs/heads/foo >actual && + test_cmp expect actual && + test_grep -q "refname conflict" stdout + ) + ' + + test_expect_success "stdin $type batch-updates delete incorrect symbolic ref" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit c1 && + head=$(git rev-parse HEAD) && + git symbolic-ref refs/heads/symbolic refs/heads/non-existent && + + format_command $type "delete refs/heads/symbolic" "$head" >stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + test_grep "reference does not exist" stdout + ) + ' + + test_expect_success "stdin $type batch-updates delete with incorrect old_oid" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit c1 && + git branch new-branch && + test_commit c2 && + head=$(git rev-parse HEAD) && + + format_command $type "delete refs/heads/new-branch" "$head" >stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + test_grep "incorrect old value provided" stdout + ) + ' + + test_expect_success "stdin $type batch-updates delete non-existent ref" ' + git init repo && + test_when_finished "rm -fr repo" && + ( + cd repo && + test_commit commit && + head=$(git rev-parse HEAD) && + + format_command $type "delete refs/heads/non-existent" "$head" >stdin && + git update-ref $type --stdin --batch-updates <stdin >stdout && + test_grep "reference does not exist" stdout + ) + ' +done + +test_expect_success 'update-ref should also create reflog for HEAD' ' + test_commit to-rewind && + git rev-parse HEAD >expect && + head=$(git symbolic-ref HEAD) && + git update-ref --create-reflog "$head" HEAD~ && + git rev-parse HEAD@{1} >actual && + test_cmp expect actual +' + +test_expect_success REFFILES 'empty directories are pruned when aborting a transaction' ' + test_path_is_missing .git/refs/heads/nested && + git update-ref --stdin <<-EOF && + create refs/heads/nested/something HEAD + prepare + abort + EOF + test_path_is_missing .git/refs/heads/nested +' + +test_expect_success REFFILES 'empty directories are pruned when not committing' ' + test_path_is_missing .git/refs/heads/nested && + git update-ref --stdin <<-EOF && + create refs/heads/nested/something HEAD + prepare + EOF + test_path_is_missing .git/refs/heads/nested +' + +test_done |