> When a git command is on the left side of a pipe, the pipe will swallow
> its exit status, preventing us from detecting failures in said commands.
> Restructure the tests to put the output in a temporary file to avoid
> this problem.
>
> Signed-off-by: Elijah Newren <new...@gmail.com>
> ---
> t/t7406-submodule-update.sh | 24 +++++++++++++++---------
> 1 file changed, 15 insertions(+), 9 deletions(-)
>
> diff --git a/t/t7406-submodule-update.sh b/t/t7406-submodule-update.sh
> index e2405c96b5..c8971abd07 100755
> --- a/t/t7406-submodule-update.sh
> +++ b/t/t7406-submodule-update.sh
> @@ -922,7 +928,7 @@ test_expect_success 'submodule update clone shallow
> submodule' '
> sed -e "s#url = ../#url = file://$pwd/#" <.gitmodules
> >.gitmodules.tmp &&
> mv -f .gitmodules.tmp .gitmodules &&
> git submodule update --init --depth=$commit_count &&
> - test 1 = $(git -C submodule log --oneline | wc -l)
> + test 1 = $(git -C submodule rev-list --count HEAD)
> )
> '
>
> @@ -938,7 +944,7 @@ test_expect_success 'submodule update clone shallow
> submodule outside of depth'
> test_i18ngrep "Direct fetching of that commit failed." actual &&
> git -C ../submodule config uploadpack.allowReachableSHA1InWant
> true &&
> git submodule update --init --depth=1 >actual &&
> - test 1 = $(git -C submodule log --oneline | wc -l)
> + test 1 = $(git -C submodule rev-list --count HEAD)
> )
> '
These two hunks don't have the desired effect, because command
substitutions used like this will hide the exit code anyway. I'd
suggest
git -C submodule log --oneline >out &&
test_line_count = 1 out
instead, with the additional benefit of a nice error message on
failure.