format-patch: inform user that patch-id generation is unstable

diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh
index 6da48a2e0a461e35f31fdd05712ee5c2bb9fda31..d933af571474f365c8e6ad478f5c833f3b67b315 100644 (file)
--- a/t/annotate-tests.sh
+++ b/t/annotate-tests.sh
@@ -68,6 +68,14 @@ test_expect_success 'blame 1 author' '
        check_count A 2
 '
 
+test_expect_success 'blame in a bare repo without starting commit' '
+       git clone --bare . bare.git &&
+       (
+               cd bare.git &&
+               check_count A 2
+       )
+'
+
 test_expect_success 'blame by tag objects' '
        git tag -m "test tag" testTag &&
        git tag -m "test tag #2" testTag2 testTag &&