SZEDER Gábor <szeder.dev@xxxxxxxxx> writes:
> In a while-at-it cleanup replacing a 'cd dir && <...> && cd ..' with a
> subshell, commit 28391a80a9 (receive-pack: allow deletion of corrupt
> refs, 2007-11-29) also moved the assignment of the $old_commit
> variable to that subshell. This variable, however, is used outside of
> that subshell as a parameter of check_push_result(), to check that a
> ref still points to the commit where it is supposed to. With the
> variable remaining unset outside the subshell check_push_result()
> doesn't perform that check at all.
Sigh/Blush. Thanks for finding an old screw-up.
>
> Use 'git -C <dir> cmd...', so we don't need to change directory, and
> thus don't need the subshell either when setting $old_commit.
>
> Furthermore, change check_push_result() to require at least three
> parameters (the repo, the oid, and at least one ref), so it will catch
> similar issues earlier should they ever arise.
>
> Signed-off-by: SZEDER Gábor <szeder.dev@xxxxxxxxx>
> ---
> t/t5516-fetch-push.sh | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
> index 82239138d5..832b79ad40 100755
> --- a/t/t5516-fetch-push.sh
> +++ b/t/t5516-fetch-push.sh
> @@ -94,6 +94,9 @@ mk_child() {
> }
>
> check_push_result () {
> + test $# -ge 3 ||
> + error "bug in the test script: check_push_result requires at least 3 parameters"
> +
> repo_name="$1"
> shift
>
> @@ -553,10 +556,7 @@ test_expect_success 'branch.*.pushremote config order is irrelevant' '
> test_expect_success 'push with dry-run' '
>
> mk_test testrepo heads/master &&
> - (
> - cd testrepo &&
> - old_commit=$(git show-ref -s --verify refs/heads/master)
> - ) &&
> + old_commit=$(git -C testrepo show-ref -s --verify refs/heads/master) &&
> git push --dry-run testrepo : &&
> check_push_result testrepo $old_commit heads/master
> '
