pack-bitmap: make bitmap header handling hash agnostic

diff --git a/t/t4053-diff-no-index.sh b/t/t4053-diff-no-index.sh
index 453e6c35eb89fd82649401cb20a462c560a102cf..4331b3118a07f900305fa783914091f73653bb45 100755 (executable)
--- a/t/t4053-diff-no-index.sh
+++ b/t/t4053-diff-no-index.sh
@@ -127,4 +127,22 @@ test_expect_success 'diff --no-index from repo subdir respects config (implicit)
        test_cmp expect actual.head
 '
 
+test_expect_success 'diff --no-index from repo subdir with absolute paths' '
+       cat <<-EOF >expect &&
+       1       1       $(pwd)/non/git/{a => b}
+       EOF
+       test_expect_code 1 \
+               git -C repo/sub diff --numstat \
+               "$(pwd)/non/git/a" "$(pwd)/non/git/b" >actual &&
+       test_cmp expect actual
+'
+
+test_expect_success 'diff --no-index allows external diff' '
+       test_expect_code 1 \
+               env GIT_EXTERNAL_DIFF="echo external ;:" \
+               git diff --no-index non/git/a non/git/b >actual &&
+       echo external >expect &&
+       test_cmp expect actual
+'
+
 test_done