t/t5571-pre-push-hook.sh

#!/bin/sh

test_description='check pre-push hooks'
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME

. ./test-lib.sh

# Setup hook that always succeeds
HOOKDIR="$(git rev-parse --git-dir)/hooks"
HOOK="$HOOKDIR/pre-push"
mkdir -p "$HOOKDIR"
write_script "$HOOK" <<EOF
cat >/dev/null
exit 0
EOF

test_expect_success 'setup' '
	git config push.default upstream &&
	git init --bare repo1 &&
	git remote add parent1 repo1 &&
	test_commit one &&
	git push parent1 HEAD:foreign
'
write_script "$HOOK" <<EOF
cat >/dev/null
exit 1
EOF

COMMIT1="$(git rev-parse HEAD)"
export COMMIT1

test_expect_success 'push with failing hook' '
	test_commit two &&
	test_must_fail git push parent1 HEAD
'

test_expect_success '--no-verify bypasses hook' '
	git push --no-verify parent1 HEAD
'

COMMIT2="$(git rev-parse HEAD)"
export COMMIT2

write_script "$HOOK" <<'EOF'
echo "$1" >actual
echo "$2" >>actual
cat >>actual
EOF

cat >expected <<EOF
parent1
repo1
refs/heads/main $COMMIT2 refs/heads/foreign $COMMIT1
EOF

test_expect_success 'push with hook' '
	git push parent1 main:foreign &&
	diff expected actual
'

test_expect_success 'add a branch' '
	git checkout -b other parent1/foreign &&
	test_commit three
'

COMMIT3="$(git rev-parse HEAD)"
export COMMIT3

cat >expected <<EOF
parent1
repo1
refs/heads/other $COMMIT3 refs/heads/foreign $COMMIT2
EOF

test_expect_success 'push to default' '
	git push &&
	diff expected actual
'

cat >expected <<EOF
parent1
repo1
refs/tags/one $COMMIT1 refs/tags/tag1 $ZERO_OID
HEAD~ $COMMIT2 refs/heads/prev $ZERO_OID
EOF

test_expect_success 'push non-branches' '
	git push parent1 one:tag1 HEAD~:refs/heads/prev &&
	diff expected actual
'

cat >expected <<EOF
parent1
repo1
(delete) $ZERO_OID refs/heads/prev $COMMIT2
EOF

test_expect_success 'push delete' '
	git push parent1 :prev &&
	diff expected actual
'

cat >expected <<EOF
repo1
repo1
HEAD $COMMIT3 refs/heads/other $ZERO_OID
EOF

test_expect_success 'push to URL' '
	git push repo1 HEAD &&
	diff expected actual
'

test_expect_success 'set up many-ref tests' '
	{
		nr=1000 &&
		while test $nr -lt 2000
		do
			nr=$(( $nr + 1 )) &&
			echo "create refs/heads/b/$nr $COMMIT3" || return 1
		done
	} | git update-ref --stdin
'

test_expect_success 'sigpipe does not cause pre-push hook failure' '
	echo "exit 0" | write_script "$HOOK" &&
	git push parent1 "refs/heads/b/*:refs/heads/b/*"
'

test_done