In t1430, we check whether deleting the branch "../../foo"
will delete ".git/foo". However, this is not that
interesting a test; the precious file ".git/foo" does not
look like a ref, so even if we did not notice the "escape"
from the "refs/" hierarchy, we would fail for that reason
(i.e., if you turned refname_is_safe into a noop, the test
still passes).
Let's add an additional test for the same thing, but with a
file that actually looks like a ref. That will make sure we
are exercising the refname_is_safe code. While we're at it,
let's also make the code work a little harder by adding some
extra paths and some empty path components.
Signed-off-by: Jeff King <p...@peff.net>
---
This was originally included to exercise refname_is_safe(), because in
the v1 series I refactored it (here I just avoid calling it entirely).
So it's not as important in v2. But AFAICT, we do not exercise
refname_is_safe() at all in the test suite without this patch, so it's
probably a good thing to do regardless.
t/t1430-bad-ref-name.sh | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/t/t1430-bad-ref-name.sh b/t/t1430-bad-ref-name.sh
index 468e856..16d0b8b 100755
--- a/t/t1430-bad-ref-name.sh
+++ b/t/t1430-bad-ref-name.sh
@@ -68,6 +68,14 @@ test_expect_success 'branch -D cannot delete non-ref in .git
dir' '
test_cmp expect .git/my-private-file
'
+test_expect_success 'branch -D cannot delete ref in .git dir' '
+ git rev-parse HEAD >.git/my-private-file &&
+ git rev-parse HEAD >expect &&
+ git branch foo/legit &&
+ test_must_fail git branch -D foo////./././../../../my-private-file &&
+ test_cmp expect .git/my-private-file
+'
+
test_expect_success 'branch -D cannot delete absolute path' '
git branch -f extra &&
test_must_fail git branch -D "$(pwd)/.git/refs/heads/extra" &&
--
2.4.0.rc2.384.g7297a4a
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