t/Makefile: add a rule to re-run previously-failed tests

diff --git a/t/t4204-patch-id.sh b/t/t4204-patch-id.sh
index 84a809690e786c1278d0885b4b441c6ce3bbe4f0..0288c17ec60b803d2815fb1b704c35f74e4a7753 100755 (executable)
--- a/t/t4204-patch-id.sh
+++ b/t/t4204-patch-id.sh
@@ -143,6 +143,20 @@ test_expect_success 'patch-id supports git-format-patch MIME output' '
        test_cmp patch-id_master patch-id_same
 '
 
+test_expect_success 'patch-id respects config from subdir' '
+       test_config patchid.stable true &&
+       mkdir subdir &&
+
+       # copy these because test_patch_id() looks for them in
+       # the current directory
+       cp bar-then-foo foo-then-bar subdir &&
+
+       (
+               cd subdir &&
+               test_patch_id irrelevant patchid.stable=true
+       )
+'
+
 cat >nonl <<\EOF
 diff --git i/a w/a
 index e69de29..2e65efe 100644