Subject: Re: [PATCH 1/3] Add a second's delay to t7519 for untracked cache

From: Junio C Hamano <[email-masked]>
Date: Mon, 28 Jun 2021 21:22:37 -0700

"Tao Klerks via GitGitGadget" <[email-masked]> writes:

> From: Tao Klerks <[email-masked]>
>
> In t7519 there is a test that writes files to disk, and immediately
> writes the untracked index. Because of mtime-comparison logic
> that uses a 1-second resolution, this means the cached entries
> are not trusted/used under some circumstances (see
> read-cache.c#is_racy_stat()).
>
> Untracked cache tests in t7063 use a 1-second delay to avoid
> this issue. We should do the same here.

We shouldn't waste wallclock time by slowing down tests, which
already take way too much time.  If you can use "test-tool chmtime"
to pretend as if the index file was written earlier than it actually
is, that would be a better solution.

> +avoid_racy() {

Style (see below).

> +	sleep 1
> +}
> +
>  dirty_repo () {