Subject: Re: [RFC PATCH 3/4] submodule: cache superproject gitdir during absorbgitdirs

From: Junio C Hamano <[email-masked]>
Date: Mon, 14 Jun 2021 15:18:11 +0900

Emily Shaffer <[email-masked]> writes:

> +	test . -ef "$(git -C sub1 config submodule.superprojectGitDir)" &&

Unfortunately "test f1 -ef f2", "test f1 -nt f2", etc. are not part
of POSIX.

When in doubt, check

  https://pubs.opengroup.org/onlinepubs/9699919799/utilities/toc.html

Thanks.