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-rwxr-xr-xt/t1400-update-ref.sh902
1 files changed, 883 insertions, 19 deletions
diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh
index 54ba3df95f..af1b20dd5c 100755
--- a/t/t1400-update-ref.sh
+++ b/t/t1400-update-ref.sh
@@ -6,7 +6,7 @@
test_description='Test git update-ref and basic ref logging'
. ./test-lib.sh
-Z=0000000000000000000000000000000000000000
+Z=$_z40
test_expect_success setup '
@@ -23,6 +23,7 @@ test_expect_success setup '
m=refs/heads/master
n_dir=refs/heads/gu
n=$n_dir/fixes
+outside=foo
test_expect_success \
"create $m" \
@@ -52,9 +53,8 @@ rm -f .git/$m
test_expect_success \
"fail to create $n" \
- "touch .git/$n_dir
- git update-ref $n $A >out 2>err"'
- test $? != 0'
+ "touch .git/$n_dir &&
+ test_must_fail git update-ref $n $A >out 2>err"
rm -f .git/$n_dir out err
test_expect_success \
@@ -75,6 +75,42 @@ test_expect_success "delete $m (by HEAD)" '
'
rm -f .git/$m
+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 \
+ "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" '
+ git update-ref -d HEAD $B &&
+ ! grep "$m" .git/packed-refs &&
+ ! test -f .git/$m
+'
+rm -f .git/$m
+
cp -f .git/HEAD .git/HEAD.orig
test_expect_success "delete symref without dereference" '
git update-ref --no-deref -d HEAD &&
@@ -93,6 +129,32 @@ test_expect_success "delete symref without dereference when the referred ref is
cp -f .git/HEAD.orig .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 $B
"
@@ -112,12 +174,11 @@ test_expect_success "(not) changed .git/$m" "
'
rm -f .git/$m
-: a repository with working tree always has reflog these days...
-: >.git/logs/refs/heads/master
+rm -f .git/logs/refs/heads/master
test_expect_success \
"create $m (logged by touch)" \
'GIT_COMMITTER_DATE="2005-05-26 23:30" \
- git update-ref HEAD '"$A"' -m "Initial Creation" &&
+ git update-ref --create-reflog HEAD '"$A"' -m "Initial Creation" &&
test '"$A"' = $(cat .git/'"$m"')'
test_expect_success \
"update $m (logged by touch)" \
@@ -185,58 +246,58 @@ gd="Thu, 26 May 2005 18:33:00 -0500"
ld="Thu, 26 May 2005 18:43:00 -0500"
test_expect_success \
'Query "master@{May 25 2005}" (before history)' \
- 'rm -f o e
+ 'rm -f o e &&
git rev-parse --verify "master@{May 25 2005}" >o 2>e &&
test '"$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)" \
- 'rm -f o e
+ '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)' \
- 'rm -f o e
+ '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)' \
- 'rm -f o e
+ '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)' \
- 'rm -f o e
+ '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)' \
- 'rm -f o e
+ 'rm -f o e &&
git rev-parse --verify "master@{2005-05-26 23:33:01}" >o 2>e &&
test '"$B"' = $(cat o) &&
- test "warning: Log .git/logs/'"$m has gap after $gd"'." = "$(cat e)"'
+ 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)' \
- 'rm -f o e
+ '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)' \
- 'rm -f o e
+ '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)' \
- 'rm -f o e
+ 'rm -f o e &&
git rev-parse --verify "master@{2005-05-28}" >o 2>e &&
test '"$D"' = $(cat o) &&
- test "warning: Log .git/logs/'"$m unexpectedly ended on $ld"'." = "$(cat e)"'
+ test "warning: Log for ref '"$m unexpectedly ended on $ld"'." = "$(cat e)"'
rm -f .git/$m .git/logs/$m expect
@@ -247,7 +308,7 @@ test_expect_success \
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=$(git rev-parse --verify HEAD)
+ h_TEST=$(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 &&
@@ -285,4 +346,807 @@ 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 &&
+ 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 \"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' '
+ 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 $c
+'
+
+run_with_limited_open_files () {
+ (ulimit -n 32 && "$@")
+}
+
+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