Re: [PATCH 1/2] t1450: add tests for NUL in headers of commits and tags

[Eric Sunshine <sunshine@sunshineco.com>]

On Thu, Nov 19, 2015 at 11:20 AM, René Scharfe <l.s.r@web.de> wrote:
> Signed-off-by: Rene Scharfe <l.s.r@web.de>
> ---
> diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh
> @@ -176,6 +176,18 @@ test_expect_success 'integer overflow in timestamps is reported' '
> +test_expect_success 'commit with NUL in header' '
> +       git cat-file commit HEAD >basis &&
> +       sed "s/author ./author Q/" <basis | q_to_nul >commit-NUL-header &&
> +       new=$(git hash-object -t commit -w --stdin <commit-NUL-header) &&
> +       test_when_finished "remove_object $new" &&
> +       git update-ref refs/heads/bogus "$new" &&
> +       test_when_finished "git update-ref -d refs/heads/bogus" &&
> +       test_must_fail git fsck 2>out &&
> +       cat out &&

What is the purpose of this 'cat'?

> +       grep "error in commit $new.*unterminated header: NUL at offset" out
> +'
> @@ -276,6 +288,26 @@ test_expect_success 'tag with bad tagger' '
> +test_expect_failure 'tag with NUL in header' '
> +       sha=$(git rev-parse HEAD) &&
> +       q_to_nul >tag-NUL-header <<-EOF &&
> +       object $sha
> +       type commit
> +       tag contains-Q-in-header
> +       tagger T A Gger <tagger@example.com> 1234567890 -0000
> +
> +       This is an invalid tag.
> +       EOF
> +
> +       tag=$(git hash-object --literally -t tag -w --stdin <tag-NUL-header) &&
> +       test_when_finished "remove_object $tag" &&
> +       echo $tag >.git/refs/tags/wrong &&
> +       test_when_finished "git update-ref -d refs/tags/wrong" &&
> +       test_must_fail git fsck --tags 2>out &&
> +       cat out &&

Ditto.

> +       grep "error in tag $tag.*unterminated header: NUL at offset" out
> +'
> +
> --
> 2.6.3