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From:   Andreas Schwab <schwab@linux-m68k.org>
To:     Michael Herrmann <michael@herrmann.io>
Cc:     Junio C Hamano <gitster@pobox.com>,
        "brian m. carlson" <sandals@crustytoothpaste.net>,
        git@vger.kernel.org
Subject: Re: A puzzle: reset --hard and hard links
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Date:   Tue, 25 Jan 2022 09:49:55 +0100
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        (Michael Herrmann's message of "Mon, 24 Jan 2022 18:50:49 -0300")
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On Jan 24 2022, Michael Herrmann wrote:

> My suspicion is that Git keeps a cache of the stat(...) result of
> files. An additional hard link increases the .st_nlink count of this
> struct. `git reset` compares the cached stat(...) values to the actual
> ones and sees that one has changed. `git status` does the same but is
> smart enough to realize that the additional hard link does not change
> anything. It writes this to the cache. `git reset` should also be
> smart!

See the core.trustctime config.

-- 
Andreas Schwab, schwab@linux-m68k.org
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