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git/t/t1400-update-ref.sh
Karthik Nayak 67e943c308 update-ref: use {old,new}-oid instead of {old,new}value 
The `git-update-ref` command is used to modify references. The usage of
{old,new}value in the documentation refers to the OIDs. This is fine
since the command only works with regular references which hold OIDs.
But if the command is updated to support symrefs, we'd also be dealing
with {old,new}-refs.

To improve clarity around what exactly {old,new}value mean, let's rename
it to {old,new}-oid.

Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2024-04-02 10:20:28 -07:00

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#!/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' '
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 <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' '
git branch target2 $A &&
git symbolic-ref refs/heads/symref2 refs/heads/target2 &&
cat >stdin <<-EOF &&
update refs/heads/target2 $C
update refs/heads/symref2 $B
EOF
test_must_fail git update-ref --stdin <stdin 2>err &&
test_grep "fatal: multiple updates for '\''refs/heads/target2'\'' (including one via symref .refs/heads/symref2.) are not allowed" err &&
echo "refs/heads/target2" >expect &&
git symbolic-ref refs/heads/symref2 >actual &&
test_cmp expect actual &&
echo "$A" >expect &&
git rev-parse refs/heads/target2 >actual &&
test_cmp expect actual
'
test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction creating branches does not burst open file limit' '
(
for i in $(test_seq 33)
do
echo "create refs/heads/$i HEAD" || exit 1
done >large_input &&
run_with_limited_open_files git update-ref --stdin <large_input &&
git rev-parse --verify -q refs/heads/33
)
'
test_expect_success ULIMIT_FILE_DESCRIPTORS 'large transaction deleting branches does not burst open file limit' '
(
for i in $(test_seq 33)
do
echo "delete refs/heads/$i HEAD" || exit 1
done >large_input &&
run_with_limited_open_files git update-ref --stdin <large_input &&
test_must_fail git rev-parse --verify -q refs/heads/33
)
'
test_expect_success 'handle per-worktree refs in refs/bisect' '
git commit --allow-empty -m "initial commit" &&
git worktree add -b branch worktree &&
(
cd worktree &&
git commit --allow-empty -m "test commit" &&
git for-each-ref >for-each-ref.out &&
! grep refs/bisect for-each-ref.out &&
git update-ref refs/bisect/something HEAD &&
git rev-parse refs/bisect/something >../worktree-head &&
git for-each-ref | grep refs/bisect/something
) &&
git show-ref >actual &&
! grep 'refs/bisect' actual &&
test_must_fail git rev-parse refs/bisect/something &&
git update-ref refs/bisect/something HEAD &&
git rev-parse refs/bisect/something >main-head &&
! test_cmp main-head worktree-head
'
test_expect_success 'transaction handles empty commit' '
cat >stdin <<-EOF &&
start
prepare
commit
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start prepare commit >expect &&
test_cmp expect actual
'
test_expect_success 'transaction handles empty commit with missing prepare' '
cat >stdin <<-EOF &&
start
commit
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start commit >expect &&
test_cmp expect actual
'
test_expect_success 'transaction handles sole commit' '
cat >stdin <<-EOF &&
commit
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" commit >expect &&
test_cmp expect actual
'
test_expect_success 'transaction handles empty abort' '
cat >stdin <<-EOF &&
start
prepare
abort
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start prepare abort >expect &&
test_cmp expect actual
'
test_expect_success 'transaction exits on multiple aborts' '
cat >stdin <<-EOF &&
abort
abort
EOF
test_must_fail git update-ref --stdin <stdin >actual 2>err &&
printf "%s: ok\n" abort >expect &&
test_cmp expect actual &&
grep "fatal: transaction is closed" err
'
test_expect_success 'transaction exits on start after prepare' '
cat >stdin <<-EOF &&
prepare
start
EOF
test_must_fail git update-ref --stdin <stdin 2>err >actual &&
printf "%s: ok\n" prepare >expect &&
test_cmp expect actual &&
grep "fatal: prepared transactions can only be closed" err
'
test_expect_success 'transaction handles empty abort with missing prepare' '
cat >stdin <<-EOF &&
start
abort
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start abort >expect &&
test_cmp expect actual
'
test_expect_success 'transaction handles sole abort' '
cat >stdin <<-EOF &&
abort
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" abort >expect &&
test_cmp expect actual
'
test_expect_success 'transaction can handle commit' '
cat >stdin <<-EOF &&
start
create $a HEAD
commit
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start commit >expect &&
test_cmp expect actual &&
git rev-parse HEAD >expect &&
git rev-parse $a >actual &&
test_cmp expect actual
'
test_expect_success 'transaction can handle abort' '
cat >stdin <<-EOF &&
start
create $b HEAD
abort
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start abort >expect &&
test_cmp expect actual &&
test_must_fail git show-ref --verify -q $b
'
test_expect_success 'transaction aborts by default' '
cat >stdin <<-EOF &&
start
create $b HEAD
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start >expect &&
test_cmp expect actual &&
test_must_fail git show-ref --verify -q $b
'
test_expect_success 'transaction with prepare aborts by default' '
cat >stdin <<-EOF &&
start
create $b HEAD
prepare
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start prepare >expect &&
test_cmp expect actual &&
test_must_fail git show-ref --verify -q $b
'
test_expect_success 'transaction can commit multiple times' '
cat >stdin <<-EOF &&
start
create refs/heads/branch-1 $A
commit
start
create refs/heads/branch-2 $B
commit
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start commit start commit >expect &&
test_cmp expect actual &&
echo "$A" >expect &&
git rev-parse refs/heads/branch-1 >actual &&
test_cmp expect actual &&
echo "$B" >expect &&
git rev-parse refs/heads/branch-2 >actual &&
test_cmp expect actual
'
test_expect_success 'transaction can create and delete' '
cat >stdin <<-EOF &&
start
create refs/heads/create-and-delete $A
commit
start
delete refs/heads/create-and-delete $A
commit
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start commit start commit >expect &&
test_cmp expect actual &&
test_must_fail git show-ref --verify refs/heads/create-and-delete
'
test_expect_success 'transaction can commit after abort' '
cat >stdin <<-EOF &&
start
create refs/heads/abort $A
abort
start
create refs/heads/abort $A
commit
EOF
git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start abort start commit >expect &&
echo "$A" >expect &&
git rev-parse refs/heads/abort >actual &&
test_cmp expect actual
'
test_expect_success 'transaction cannot restart ongoing transaction' '
cat >stdin <<-EOF &&
start
create refs/heads/restart $A
start
commit
EOF
test_must_fail git update-ref --stdin <stdin >actual &&
printf "%s: ok\n" start >expect &&
test_cmp expect actual &&
test_must_fail git show-ref --verify refs/heads/restart
'
test_expect_success PIPE 'transaction flushes status updates' '
mkfifo in out &&
(git update-ref --stdin <in >out &) &&
exec 9>in &&
exec 8<out &&
test_when_finished "exec 9>&-" &&
test_when_finished "exec 8<&-" &&
echo "start" >&9 &&
echo "start: ok" >expected &&
read line <&8 &&
echo "$line" >actual &&
test_cmp expected actual &&
echo "create refs/heads/flush $A" >&9 &&
echo prepare >&9 &&
echo "prepare: ok" >expected &&
read line <&8 &&
echo "$line" >actual &&
test_cmp expected actual &&
# This must now fail given that we have locked the ref.
test_must_fail git update-ref refs/heads/flush $B 2>stderr &&
grep "fatal: update_ref failed for ref ${SQ}refs/heads/flush${SQ}: cannot lock ref" stderr &&
echo commit >&9 &&
echo "commit: ok" >expected &&
read line <&8 &&
echo "$line" >actual &&
test_cmp expected actual
'
test_done
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