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From:   Junio C Hamano <gitster@pobox.com>
To:     "Marc Strapetz via GitGitGadget" <gitgitgadget@gmail.com>
Cc:     git@vger.kernel.org, Marc Strapetz <marc.strapetz@syntevo.com>
Subject: Re: [PATCH v2 2/2] update-index: refresh should rewrite index in
 case of racy timestamps
References: <pull.1105.git.1640181390841.gitgitgadget@gmail.com>
        <pull.1105.v2.git.1641388523.gitgitgadget@gmail.com>
        <dfeabf6af15dfab06bde1ec7dcc2d0576497be9b.1641388523.git.gitgitgadget@gmail.com>
Date:   Wed, 05 Jan 2022 13:03:57 -0800
In-Reply-To: <dfeabf6af15dfab06bde1ec7dcc2d0576497be9b.1641388523.git.gitgitgadget@gmail.com>
        (Marc Strapetz via GitGitGadget's message of "Wed, 05 Jan 2022
        13:15:23 +0000")
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"Marc Strapetz via GitGitGadget" <gitgitgadget@gmail.com> writes:

> +test_expect_success '--refresh has no racy timestamps to fix' '
> +	reset_files &&
> +	test-tool chmtime =1234567891 .git/index &&

Don't some people use Git on VFAT where the time resolution is 2
seconds?  1234567890 and 1234567891 differ only by one second, so
chmtime may not be able to store one of them exactly, so I am not
sure if this guarantees "no racy timestamps to fix".