gc: make --prune useful again by accepting an optional parameter

diff --git a/t/t7503-pre-commit-hook.sh b/t/t7503-pre-commit-hook.sh
index 2dd5a5e30279e6c3e5ac2be9425c19328a65aff1..b06909599564a1c8afa027b0f9c71ef6bb61d6e4 100755 (executable)
--- a/t/t7503-pre-commit-hook.sh
+++ b/t/t7503-pre-commit-hook.sh
@@ -56,7 +56,7 @@ test_expect_success 'with failing hook' '
 
        echo "another" >> file &&
        git add file &&
-       ! git commit -m "another"
+       test_must_fail git commit -m "another"
 
 '