#!/bin/sh # # Copyright (c) 2006 Shawn Pearce # test_description='Test git update-ref and basic ref logging' . ./test-lib.sh Z=$_z40 m=refs/heads/master n_dir=refs/heads/gu n=$n_dir/fixes outside=refs/foo bare=bare-repo create_test_commits () { prfx="$1" for name in A B C D E F do test_tick && T=$(git write-tree) && sha1=$(echo $name | git commit-tree $T) && eval $prfx$name=$sha1 done } test_expect_success setup ' create_test_commits "" && mkdir $bare && cd $bare && git init --bare && create_test_commits "bare" && cd - ' test_expect_success "create $m" ' git update-ref $m $A && test $A = $(cat .git/$m) ' test_expect_success "create $m with oldvalue verification" ' git update-ref $m $B $A && test $B = $(cat .git/$m) ' test_expect_success "fail to delete $m with stale ref" ' test_must_fail git update-ref -d $m $A && test $B = "$(cat .git/$m)" ' test_expect_success "delete $m" ' test_when_finished "rm -f .git/$m" && git update-ref -d $m $B && test_path_is_missing .git/$m ' test_expect_success "delete $m without oldvalue verification" ' test_when_finished "rm -f .git/$m" && git update-ref $m $A && test $A = $(cat .git/$m) && git update-ref -d $m && test_path_is_missing .git/$m ' test_expect_success "fail to create $n" ' test_when_finished "rm -f .git/$n_dir" && touch .git/$n_dir && test_must_fail git update-ref $n $A ' test_expect_success "create $m (by HEAD)" ' git update-ref HEAD $A && test $A = $(cat .git/$m) ' test_expect_success "create $m (by HEAD) with oldvalue verification" ' git update-ref HEAD $B $A && test $B = $(cat .git/$m) ' test_expect_success "fail to delete $m (by HEAD) with stale ref" ' test_must_fail git update-ref -d HEAD $A && test $B = $(cat .git/$m) ' test_expect_success "delete $m (by HEAD)" ' test_when_finished "rm -f .git/$m" && git update-ref -d HEAD $B && test_path_is_missing .git/$m ' test_expect_success "deleting current branch adds message to HEAD's log" ' test_when_finished "rm -f .git/$m" && git update-ref $m $A && git symbolic-ref HEAD $m && git update-ref -m delete-$m -d $m && test_path_is_missing .git/$m && grep "delete-$m$" .git/logs/HEAD ' test_expect_success "deleting by HEAD adds message to HEAD's log" ' test_when_finished "rm -f .git/$m" && git update-ref $m $A && git symbolic-ref HEAD $m && git update-ref -m delete-by-head -d HEAD && test_path_is_missing .git/$m && grep "delete-by-head$" .git/logs/HEAD ' test_expect_success 'update-ref does not create reflogs by default' ' test_when_finished "git update-ref -d $outside" && git update-ref $outside $A && git rev-parse $A >expect && git rev-parse $outside >actual && test_cmp expect actual && test_must_fail git reflog exists $outside ' test_expect_success 'update-ref creates reflogs with --create-reflog' ' test_when_finished "git update-ref -d $outside" && git update-ref --create-reflog $outside $A && git rev-parse $A >expect && git rev-parse $outside >actual && test_cmp expect actual && git reflog exists $outside ' test_expect_success 'creates no reflog in bare repository' ' git -C $bare update-ref $m $bareA && git -C $bare rev-parse $bareA >expect && git -C $bare rev-parse $m >actual && test_cmp expect actual && test_must_fail git -C $bare reflog exists $m ' test_expect_success 'core.logAllRefUpdates=true creates reflog in bare repository' ' test_when_finished "git -C $bare config --unset core.logAllRefUpdates && \ rm $bare/logs/$m" && git -C $bare config core.logAllRefUpdates true && git -C $bare update-ref $m $bareB && git -C $bare rev-parse $bareB >expect && git -C $bare rev-parse $m >actual && test_cmp expect actual && git -C $bare reflog exists $m ' test_expect_success 'core.logAllRefUpdates=true does not create reflog by default' ' test_config core.logAllRefUpdates true && test_when_finished "git update-ref -d $outside" && git update-ref $outside $A && git rev-parse $A >expect && git rev-parse $outside >actual && test_cmp expect actual && test_must_fail git reflog exists $outside ' test_expect_success 'core.logAllRefUpdates=always creates reflog by default' ' test_config core.logAllRefUpdates always && test_when_finished "git update-ref -d $outside" && git update-ref $outside $A && git rev-parse $A >expect && git rev-parse $outside >actual && test_cmp expect actual && git reflog exists $outside ' test_expect_success 'core.logAllRefUpdates=always creates no reflog for ORIG_HEAD' ' test_config core.logAllRefUpdates always && git update-ref ORIG_HEAD $A && test_must_fail git reflog exists ORIG_HEAD ' test_expect_success '--no-create-reflog overrides core.logAllRefUpdates=always' ' test_config core.logAllRefUpdates true && test_when_finished "git update-ref -d $outside" && git update-ref --no-create-reflog $outside $A && git rev-parse $A >expect && git rev-parse $outside >actual && test_cmp expect actual && test_must_fail git reflog exists $outside ' test_expect_success "create $m (by HEAD)" ' git update-ref HEAD $A && test $A = $(cat .git/$m) ' test_expect_success 'pack refs' ' git pack-refs --all ' test_expect_success "move $m (by HEAD)" ' git update-ref HEAD $B $A && test $B = $(cat .git/$m) ' test_expect_success "delete $m (by HEAD) should remove both packed and loose $m" ' test_when_finished "rm -f .git/$m" && git update-ref -d HEAD $B && ! grep "$m" .git/packed-refs && test_path_is_missing .git/$m ' cp -f .git/HEAD .git/HEAD.orig test_expect_success 'delete symref without dereference' ' test_when_finished "cp -f .git/HEAD.orig .git/HEAD" && git update-ref --no-deref -d HEAD && test_path_is_missing .git/HEAD ' test_expect_success 'delete symref without dereference when the referred ref is packed' ' test_when_finished "cp -f .git/HEAD.orig .git/HEAD" && echo foo >foo.c && git add foo.c && git commit -m foo && git pack-refs --all && git update-ref --no-deref -d HEAD && test_path_is_missing .git/HEAD ' git update-ref -d $m test_expect_success 'update-ref -d is not confused by self-reference' ' git symbolic-ref refs/heads/self refs/heads/self && test_when_finished "rm -f .git/refs/heads/self" && test_path_is_file .git/refs/heads/self && test_must_fail git update-ref -d refs/heads/self && test_path_is_file .git/refs/heads/self ' test_expect_success 'update-ref --no-deref -d can delete self-reference' ' git symbolic-ref refs/heads/self refs/heads/self && test_when_finished "rm -f .git/refs/heads/self" && test_path_is_file .git/refs/heads/self && git update-ref --no-deref -d refs/heads/self && test_path_is_missing .git/refs/heads/self ' test_expect_success 'update-ref --no-deref -d can delete reference to bad ref' ' >.git/refs/heads/bad && test_when_finished "rm -f .git/refs/heads/bad" && git symbolic-ref refs/heads/ref-to-bad refs/heads/bad && test_when_finished "rm -f .git/refs/heads/ref-to-bad" && test_path_is_file .git/refs/heads/ref-to-bad && git update-ref --no-deref -d refs/heads/ref-to-bad && test_path_is_missing .git/refs/heads/ref-to-bad ' test_expect_success '(not) create HEAD with old sha1' ' test_must_fail git update-ref HEAD $A $B ' test_expect_success "(not) prior created .git/$m" ' test_when_finished "rm -f .git/$m" && test_path_is_missing .git/$m ' test_expect_success 'create HEAD' ' git update-ref HEAD $A ' test_expect_success '(not) change HEAD with wrong SHA1' ' test_must_fail git update-ref HEAD $B $Z ' test_expect_success "(not) changed .git/$m" ' test_when_finished "rm -f .git/$m" && ! test $B = $(cat .git/$m) ' rm -f .git/logs/refs/heads/master test_expect_success "create $m (logged by touch)" ' test_config core.logAllRefUpdates false && GIT_COMMITTER_DATE="2005-05-26 23:30" \ git update-ref --create-reflog HEAD $A -m "Initial Creation" && test $A = $(cat .git/$m) ' test_expect_success "update $m (logged by touch)" ' test_config core.logAllRefUpdates false && GIT_COMMITTER_DATE="2005-05-26 23:31" \ git update-ref HEAD $B $A -m "Switch" && test $B = $(cat .git/$m) ' test_expect_success "set $m (logged by touch)" ' test_config core.logAllRefUpdates false && GIT_COMMITTER_DATE="2005-05-26 23:41" \ git update-ref HEAD $A && test $A = $(cat .git/$m) ' test_expect_success 'empty directory removal' ' git branch d1/d2/r1 HEAD && git branch d1/r2 HEAD && test_path_is_file .git/refs/heads/d1/d2/r1 && test_path_is_file .git/logs/refs/heads/d1/d2/r1 && git branch -d d1/d2/r1 && test_path_is_missing .git/refs/heads/d1/d2 && test_path_is_missing .git/logs/refs/heads/d1/d2 && test_path_is_file .git/refs/heads/d1/r2 && test_path_is_file .git/logs/refs/heads/d1/r2 ' test_expect_success 'symref empty directory removal' ' git branch e1/e2/r1 HEAD && git branch e1/r2 HEAD && git checkout e1/e2/r1 && test_when_finished "git checkout master" && test_path_is_file .git/refs/heads/e1/e2/r1 && test_path_is_file .git/logs/refs/heads/e1/e2/r1 && git update-ref -d HEAD && test_path_is_missing .git/refs/heads/e1/e2 && test_path_is_missing .git/logs/refs/heads/e1/e2 && test_path_is_file .git/refs/heads/e1/r2 && test_path_is_file .git/logs/refs/heads/e1/r2 && test_path_is_file .git/logs/HEAD ' cat >expect <<EOF $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 Initial Creation $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000 Switch $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000 EOF test_expect_success "verifying $m's log (logged by touch)" ' test_when_finished "rm -rf .git/$m .git/logs expect" && test_cmp expect .git/logs/$m ' test_expect_success "create $m (logged by config)" ' test_config core.logAllRefUpdates true && GIT_COMMITTER_DATE="2005-05-26 23:32" \ git update-ref HEAD $A -m "Initial Creation" && test $A = $(cat .git/$m) ' test_expect_success "update $m (logged by config)" ' test_config core.logAllRefUpdates true && GIT_COMMITTER_DATE="2005-05-26 23:33" \ git update-ref HEAD'" $B $A "'-m "Switch" && test $B = $(cat .git/$m) ' test_expect_success "set $m (logged by config)" ' test_config core.logAllRefUpdates true && GIT_COMMITTER_DATE="2005-05-26 23:43" \ git update-ref HEAD $A && test $A = $(cat .git/$m) ' cat >expect <<EOF $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 +0000 Initial Creation $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 +0000 Switch $B $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 +0000 EOF test_expect_success "verifying $m's log (logged by config)" ' test_when_finished "rm -f .git/$m .git/logs/$m expect" && test_cmp expect .git/logs/$m ' git update-ref $m $D cat >.git/logs/$m <<EOF 0000000000000000000000000000000000000000 $C $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500 $C $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150350 -0500 $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500 $F $Z $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500 $Z $E $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150980 -0500 EOF ed="Thu, 26 May 2005 18:32:00 -0500" gd="Thu, 26 May 2005 18:33:00 -0500" ld="Thu, 26 May 2005 18:43:00 -0500" test_expect_success 'Query "master@{May 25 2005}" (before history)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{May 25 2005}" >o 2>e && test $C = $(cat o) && test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)" ' test_expect_success 'Query master@{2005-05-25} (before history)' ' test_when_finished "rm -f o e" && git rev-parse --verify master@{2005-05-25} >o 2>e && test $C = $(cat o) && echo test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)" ' test_expect_success 'Query "master@{May 26 2005 23:31:59}" (1 second before history)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{May 26 2005 23:31:59}" >o 2>e && test $C = $(cat o) && test "warning: Log for '\''master'\'' only goes back to $ed." = "$(cat e)" ' test_expect_success 'Query "master@{May 26 2005 23:32:00}" (exactly history start)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{May 26 2005 23:32:00}" >o 2>e && test $C = $(cat o) && test "" = "$(cat e)" ' test_expect_success 'Query "master@{May 26 2005 23:32:30}" (first non-creation change)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{May 26 2005 23:32:30}" >o 2>e && test $A = $(cat o) && test "" = "$(cat e)" ' test_expect_success 'Query "master@{2005-05-26 23:33:01}" (middle of history with gap)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e && test $B = $(cat o) && test "warning: Log for ref $m has gap after $gd." = "$(cat e)" ' test_expect_success 'Query "master@{2005-05-26 23:38:00}" (middle of history)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{2005-05-26 23:38:00}" >o 2>e && test $Z = $(cat o) && test "" = "$(cat e)" ' test_expect_success 'Query "master@{2005-05-26 23:43:00}" (exact end of history)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{2005-05-26 23:43:00}" >o 2>e && test $E = $(cat o) && test "" = "$(cat e)" ' test_expect_success 'Query "master@{2005-05-28}" (past end of history)' ' test_when_finished "rm -f o e" && git rev-parse --verify "master@{2005-05-28}" >o 2>e && test $D = $(cat o) && test "warning: Log for ref $m unexpectedly ended on $ld." = "$(cat e)" ' rm -f .git/$m .git/logs/$m expect test_expect_success 'creating initial files' ' test_when_finished rm -f M && echo TEST >F && git add F && GIT_AUTHOR_DATE="2005-05-26 23:30" \ GIT_COMMITTER_DATE="2005-05-26 23:30" git commit -m add -a && h_TEST=$(git rev-parse --verify HEAD) && echo The other day this did not work. >M && echo And then Bob told me how to fix it. >>M && echo OTHER >F && GIT_AUTHOR_DATE="2005-05-26 23:41" \ GIT_COMMITTER_DATE="2005-05-26 23:41" git commit -F M -a && h_OTHER=$(git rev-parse --verify HEAD) && GIT_AUTHOR_DATE="2005-05-26 23:44" \ GIT_COMMITTER_DATE="2005-05-26 23:44" git commit --amend && h_FIXED=$(git rev-parse --verify HEAD) && echo Merged initial commit and a later commit. >M && echo $h_TEST >.git/MERGE_HEAD && GIT_AUTHOR_DATE="2005-05-26 23:45" \ GIT_COMMITTER_DATE="2005-05-26 23:45" git commit -F M && h_MERGED=$(git rev-parse --verify HEAD) ' cat >expect <<EOF $Z $h_TEST $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 commit (initial): add $h_TEST $h_OTHER $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150860 +0000 commit: The other day this did not work. $h_OTHER $h_FIXED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151040 +0000 commit (amend): The other day this did not work. $h_FIXED $h_MERGED $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117151100 +0000 commit (merge): Merged initial commit and a later commit. EOF test_expect_success 'git commit logged updates' ' test_cmp expect .git/logs/$m ' unset h_TEST h_OTHER h_FIXED h_MERGED test_expect_success 'git cat-file blob master:F (expect OTHER)' ' test OTHER = $(git cat-file blob master:F) ' test_expect_success 'git cat-file blob master@{2005-05-26 23:30}:F (expect TEST)' ' test TEST = $(git cat-file blob "master@{2005-05-26 23:30}:F") ' test_expect_success 'git cat-file blob master@{2005-05-26 23:42}:F (expect OTHER)' ' test OTHER = $(git cat-file blob "master@{2005-05-26 23:42}:F") ' a=refs/heads/a b=refs/heads/b c=refs/heads/c E='""' F='%s\0' pws='path with space' test_expect_success 'stdin test setup' ' echo "$pws" >"$pws" && git add -- "$pws" && git commit -m "$pws" ' test_expect_success '-z fails without --stdin' ' test_must_fail git update-ref -z $m $m $m 2>err && test_i18ngrep "usage: git update-ref" err ' test_expect_success 'stdin works with no input' ' >stdin && git update-ref --stdin <stdin && git rev-parse --verify -q $m ' test_expect_success 'stdin fails on empty line' ' echo "" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: empty command in input" err ' test_expect_success 'stdin fails on only whitespace' ' echo " " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: whitespace before command: " err ' test_expect_success 'stdin fails on leading whitespace' ' echo " create $a $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: whitespace before command: create $a $m" err ' test_expect_success 'stdin fails on unknown command' ' echo "unknown $a" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: unknown command: unknown $a" err ' test_expect_success 'stdin fails on unbalanced quotes' ' echo "create $a \"master" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: badly quoted argument: \\\"master" err ' test_expect_success 'stdin fails on invalid escape' ' echo "create $a \"ma\zter\"" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: badly quoted argument: \\\"ma\\\\zter\\\"" err ' test_expect_success 'stdin fails on junk after quoted argument' ' echo "create \"$a\"master" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: unexpected character after quoted argument: \\\"$a\\\"master" err ' test_expect_success 'stdin fails create with no ref' ' echo "create " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: create: missing <ref>" err ' test_expect_success 'stdin fails create with no new value' ' echo "create $a" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: create $a: missing <newvalue>" err ' test_expect_success 'stdin fails create with too many arguments' ' echo "create $a $m $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: create $a: extra input: $m" err ' test_expect_success 'stdin fails update with no ref' ' echo "update " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: update: missing <ref>" err ' test_expect_success 'stdin fails update with no new value' ' echo "update $a" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: update $a: missing <newvalue>" err ' test_expect_success 'stdin fails update with too many arguments' ' echo "update $a $m $m $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: update $a: extra input: $m" err ' test_expect_success 'stdin fails delete with no ref' ' echo "delete " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: delete: missing <ref>" err ' test_expect_success 'stdin fails delete with too many arguments' ' echo "delete $a $m $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: delete $a: extra input: $m" err ' test_expect_success 'stdin fails verify with too many arguments' ' echo "verify $a $m $m" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: verify $a: extra input: $m" err ' test_expect_success 'stdin fails option with unknown name' ' echo "option unknown" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: option unknown: unknown" err ' test_expect_success 'stdin fails with duplicate refs' ' cat >stdin <<-EOF && create $a $m create $b $m create $a $m EOF test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: multiple updates for ref '"'"'$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\\163ter\"" >stdin && git update-ref --stdin <stdin && git rev-parse $m >expect && git rev-parse $a >actual && test_cmp expect actual ' test_expect_success 'stdin update ref creates with zero old value' ' echo "update $b $m $Z" >stdin && git update-ref --stdin <stdin && git rev-parse $m >expect && git rev-parse $b >actual && test_cmp expect actual && git update-ref -d $b ' test_expect_success 'stdin update ref creates with empty old value' ' echo "update $b $m $E" >stdin && git update-ref --stdin <stdin && git rev-parse $m >expect && git rev-parse $b >actual && test_cmp expect actual ' test_expect_success 'stdin create ref works with path with space to blob' ' echo "create refs/blobs/pws \"$m:$pws\"" >stdin && git update-ref --stdin <stdin && git rev-parse "$m:$pws" >expect && git rev-parse refs/blobs/pws >actual && test_cmp expect actual && git update-ref -d refs/blobs/pws ' test_expect_success 'stdin update ref fails with wrong old value' ' echo "update $c $m $m~1" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: cannot lock ref '"'"'$c'"'"'" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin update ref fails with bad old value' ' echo "update $c $m does-not-exist" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin create ref fails with bad new value' ' echo "create $c does-not-exist" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: create $c: invalid <newvalue>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin create ref fails with zero new value' ' echo "create $c " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: create $c: zero <newvalue>" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin update ref works with right old value' ' echo "update $b $m~1 $m" >stdin && git update-ref --stdin <stdin && git rev-parse $m~1 >expect && git rev-parse $b >actual && test_cmp expect actual ' test_expect_success 'stdin delete ref fails with wrong old value' ' echo "delete $a $m~1" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: cannot lock ref '"'"'$a'"'"'" err && git rev-parse $m >expect && git rev-parse $a >actual && test_cmp expect actual ' test_expect_success 'stdin delete ref fails with zero old value' ' echo "delete $a " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: delete $a: zero <oldvalue>" err && git rev-parse $m >expect && git rev-parse $a >actual && test_cmp expect actual ' test_expect_success 'stdin update symref works option no-deref' ' git symbolic-ref TESTSYMREF $b && cat >stdin <<-EOF && option no-deref update TESTSYMREF $a $b EOF git update-ref --stdin <stdin && git rev-parse TESTSYMREF >expect && git rev-parse $a >actual && test_cmp expect actual && git rev-parse $m~1 >expect && git rev-parse $b >actual && test_cmp expect actual ' test_expect_success 'stdin delete symref works option no-deref' ' git symbolic-ref TESTSYMREF $b && cat >stdin <<-EOF && option no-deref delete TESTSYMREF $b EOF git update-ref --stdin <stdin && test_must_fail git rev-parse --verify -q TESTSYMREF && git rev-parse $m~1 >expect && git rev-parse $b >actual && test_cmp expect actual ' test_expect_success 'stdin 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 && 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 $B EOF test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: multiple updates for '\''HEAD'\'' (including one via its referent .refs/heads/target1.) are not allowed" err && echo "refs/heads/target1" >expect && git symbolic-ref HEAD >actual && test_cmp expect actual && echo "$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 $B EOF test_must_fail git update-ref --stdin <stdin 2>err && grep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err && echo "refs/heads/target2" >expect && git symbolic-ref refs/heads/symref2 >actual && test_cmp expect actual && echo "$A" >expect && git rev-parse refs/heads/target2 >actual && test_cmp expect actual ' run_with_limited_open_files () { (ulimit -n 32 && "$@") } test_lazy_prereq ULIMIT_FILE_DESCRIPTORS 'run_with_limited_open_files true' test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction creating branches does not burst open file limit' ' ( for i in $(test_seq 33) do echo "create refs/heads/$i HEAD" done >large_input && run_with_limited_open_files git update-ref --stdin <large_input && git rev-parse --verify -q refs/heads/33 ) ' test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction deleting branches does not burst open file limit' ' ( for i in $(test_seq 33) do echo "delete refs/heads/$i HEAD" done >large_input && run_with_limited_open_files git update-ref --stdin <large_input && test_must_fail git rev-parse --verify -q refs/heads/33 ) ' test_expect_success 'handle per-worktree refs in refs/bisect' ' git commit --allow-empty -m "initial commit" && git worktree add -b branch worktree && ( cd worktree && git commit --allow-empty -m "test commit" && git for-each-ref >for-each-ref.out && ! grep refs/bisect for-each-ref.out && git update-ref refs/bisect/something HEAD && git rev-parse refs/bisect/something >../worktree-head && git for-each-ref | grep refs/bisect/something ) && test_path_is_missing .git/refs/bisect && test_must_fail git rev-parse refs/bisect/something && git update-ref refs/bisect/something HEAD && git rev-parse refs/bisect/something >main-head && ! test_cmp main-head worktree-head ' test_done