tvl-depot/third_party/git/t/t1416-ref-transaction-hooks.sh
Vincent Ambo f4609b896f merge(3p/git): Merge git subtree at v2.29.2
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because
there is some breakage in the git build related to the netrc
credentials helper which someone has taken care of in nixpkgs.

The stable channel is not used for anything other than git, so this
should be fine.

Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 19:45:56 +01:00

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Executable file

#!/bin/sh
test_description='reference transaction hooks'
. ./test-lib.sh
test_expect_success setup '
mkdir -p .git/hooks &&
test_commit PRE &&
PRE_OID=$(git rev-parse PRE) &&
test_commit POST &&
POST_OID=$(git rev-parse POST)
'
test_expect_success 'hook allows updating ref if successful' '
test_when_finished "rm .git/hooks/reference-transaction" &&
git reset --hard PRE &&
write_script .git/hooks/reference-transaction <<-\EOF &&
echo "$*" >>actual
EOF
cat >expect <<-EOF &&
prepared
committed
EOF
git update-ref HEAD POST &&
test_cmp expect actual
'
test_expect_success 'hook aborts updating ref in prepared state' '
test_when_finished "rm .git/hooks/reference-transaction" &&
git reset --hard PRE &&
write_script .git/hooks/reference-transaction <<-\EOF &&
if test "$1" = prepared
then
exit 1
fi
EOF
test_must_fail git update-ref HEAD POST 2>err &&
test_i18ngrep "ref updates aborted by hook" err
'
test_expect_success 'hook gets all queued updates in prepared state' '
test_when_finished "rm .git/hooks/reference-transaction actual" &&
git reset --hard PRE &&
write_script .git/hooks/reference-transaction <<-\EOF &&
if test "$1" = prepared
then
while read -r line
do
printf "%s\n" "$line"
done >actual
fi
EOF
cat >expect <<-EOF &&
$ZERO_OID $POST_OID HEAD
$ZERO_OID $POST_OID refs/heads/master
EOF
git update-ref HEAD POST <<-EOF &&
update HEAD $ZERO_OID $POST_OID
update refs/heads/master $ZERO_OID $POST_OID
EOF
test_cmp expect actual
'
test_expect_success 'hook gets all queued updates in committed state' '
test_when_finished "rm .git/hooks/reference-transaction actual" &&
git reset --hard PRE &&
write_script .git/hooks/reference-transaction <<-\EOF &&
if test "$1" = committed
then
while read -r line
do
printf "%s\n" "$line"
done >actual
fi
EOF
cat >expect <<-EOF &&
$ZERO_OID $POST_OID HEAD
$ZERO_OID $POST_OID refs/heads/master
EOF
git update-ref HEAD POST &&
test_cmp expect actual
'
test_expect_success 'hook gets all queued updates in aborted state' '
test_when_finished "rm .git/hooks/reference-transaction actual" &&
git reset --hard PRE &&
write_script .git/hooks/reference-transaction <<-\EOF &&
if test "$1" = aborted
then
while read -r line
do
printf "%s\n" "$line"
done >actual
fi
EOF
cat >expect <<-EOF &&
$ZERO_OID $POST_OID HEAD
$ZERO_OID $POST_OID refs/heads/master
EOF
git update-ref --stdin <<-EOF &&
start
update HEAD POST $ZERO_OID
update refs/heads/master POST $ZERO_OID
abort
EOF
test_cmp expect actual
'
test_expect_success 'interleaving hook calls succeed' '
test_when_finished "rm -r target-repo.git" &&
git init --bare target-repo.git &&
write_script target-repo.git/hooks/reference-transaction <<-\EOF &&
echo $0 "$@" >>actual
EOF
write_script target-repo.git/hooks/update <<-\EOF &&
echo $0 "$@" >>actual
EOF
cat >expect <<-EOF &&
hooks/update refs/tags/PRE $ZERO_OID $PRE_OID
hooks/reference-transaction prepared
hooks/reference-transaction committed
hooks/update refs/tags/POST $ZERO_OID $POST_OID
hooks/reference-transaction prepared
hooks/reference-transaction committed
EOF
git push ./target-repo.git PRE POST &&
test_cmp expect target-repo.git/actual
'
test_done