t7503: add tests for pre-merge-hookmg/merge-pre-merge-hook

Add tests which make sure that the pre-merge-hook is called when
present, allows/disallows merge commits depending on its return value
and is suppressed by "--no-verify".

Signed-off-by: Michael J Gruber <git@grubix.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 65 insertions, 1 deletions

diff --git a/t/t7503-pre-commit-hook.sh b/t/t7503-pre-commit-hook.sh
index 984889b39d..36ae87f7ef 100755
--- a/t/t7503-pre-commit-hook.sh
+++ b/t/t7503-pre-commit-hook.sh
@@ -1,9 +1,22 @@
 #!/bin/sh
 
-test_description='pre-commit hook'
+test_description='pre-commit and pre-merge hooks'
 
 . ./test-lib.sh
 
+test_expect_success 'root commit' '
+
+	echo "root" > file &&
+	git add file &&
+	git commit -m "zeroth" &&
+	git checkout -b side &&
+	echo "foo" > foo &&
+	git add foo &&
+	git commit -m "make it non-ff" &&
+	git checkout master
+
+'
+
 test_expect_success 'with no hook' '
 
 	echo "foo" > file &&
@@ -12,6 +25,14 @@ test_expect_success 'with no hook' '
 
 '
 
+test_expect_success 'with no hook (merge)' '
+
+	git checkout side &&
+	git merge -m "merge master" master &&
+	git checkout master
+
+'
+
 test_expect_success '--no-verify with no hook' '
 
 	echo "bar" > file &&
@@ -20,15 +41,25 @@ test_expect_success '--no-verify with no hook' '
 
 '
 
+test_expect_success '--no-verify with no hook (merge)' '
+
+	git checkout side &&
+	git merge --no-verify -m "merge master" master &&
+	git checkout master
+
+'
+
 # now install hook that always succeeds
 HOOKDIR="$(git rev-parse --git-dir)/hooks"
 HOOK="$HOOKDIR/pre-commit"
+MERGEHOOK="$HOOKDIR/pre-merge"
 mkdir -p "$HOOKDIR"
 cat > "$HOOK" <<EOF
 #!/bin/sh
 exit 0
 EOF
 chmod +x "$HOOK"
+cp -p "$HOOK" "$MERGEHOOK"
 
 test_expect_success 'with succeeding hook' '
 
@@ -38,6 +69,14 @@ test_expect_success 'with succeeding hook' '
 
 '
 
+test_expect_success 'with succeeding hook (merge)' '
+
+	git checkout side &&
+	git merge -m "merge master" master &&
+	git checkout master
+
+'
+
 test_expect_success '--no-verify with succeeding hook' '
 
 	echo "even more" >> file &&
@@ -46,11 +85,20 @@ test_expect_success '--no-verify with succeeding hook' '
 
 '
 
+test_expect_success '--no-verify with succeeding hook (merge)' '
+
+	git checkout side &&
+	git merge --no-verify -m "merge master" master &&
+	git checkout master
+
+'
+
 # now a hook that fails
 cat > "$HOOK" <<EOF
 #!/bin/sh
 exit 1
 EOF
+cp -p "$HOOK" "$MERGEHOOK"
 
 test_expect_success 'with failing hook' '
 
@@ -68,6 +116,22 @@ test_expect_success '--no-verify with failing hook' '
 
 '
 
+test_expect_success 'with failing hook (merge)' '
+
+	git checkout side &&
+	test_must_fail git merge -m "merge master" master &&
+	git checkout master
+
+'
+
+test_expect_success '--no-verify with failing hook (merge)' '
+
+	git checkout side &&
+	git merge --no-verify -m "merge master" master &&
+	git checkout master
+
+'
+
 chmod -x "$HOOK"
 test_expect_success POSIXPERM 'with non-executable hook' '