request-pull: resurrect for-linus -> tags/for-linus DWIM

diff --git a/t/t4053-diff-no-index.sh b/t/t4053-diff-no-index.sh
index 979e98398bebc21fe664ca4a19770e5b251bfc97..2ab3c487340569d7f2f8164776907ef30df2d415 100755 (executable)
--- a/t/t4053-diff-no-index.sh
+++ b/t/t4053-diff-no-index.sh
@@ -29,4 +29,30 @@ test_expect_success 'git diff --no-index relative path outside repo' '
        )
 '
 
+test_expect_success 'git diff --no-index with broken index' '
+       (
+               cd repo &&
+               echo broken >.git/index &&
+               git diff --no-index a ../non/git/a
+       )
+'
+
+test_expect_success 'git diff outside repo with broken index' '
+       (
+               cd repo &&
+               git diff ../non/git/a ../non/git/b
+       )
+'
+
+test_expect_success 'git diff --no-index executed outside repo gives correct error message' '
+       (
+               GIT_CEILING_DIRECTORIES=$TRASH_DIRECTORY/non &&
+               export GIT_CEILING_DIRECTORIES &&
+               cd non/git &&
+               test_must_fail git diff --no-index a 2>actual.err &&
+               echo "usage: git diff --no-index <path> <path>" >expect.err &&
+               test_cmp expect.err actual.err
+       )
+'
+
 test_done