From: Junio C Hamano <gitster@pobox.com>
Date: Sat, 18 Jan 2020 18:15:22 GMT
Subject: Re: Stat cache in .git/index hinders syncing of repositories
Message-ID: <xmqq7e1od41x.fsf@gitster-ct.c.googlers.com>
In-Reply-To: <87v9p9skjz.fsf@drac>

Christoph Groth <christoph@grothesque.org> writes:

> However, there is one problem with syncing git repositories, that has
> been noticed by multiple people [1]: The file .git/index contains not
> only the “git index”, but also a cache of stat-data of the files in the
> working directory.  Some file synchronizers are able to sync mtimes, but
> syncing ctimes would be bizarre (if it is even possible).

The stat-data in the index file is meant to be a mere optimization,
and after copying .git/index and the working tree files to a new
box, running "git update-index --refresh" would make them in sync,
no?