From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Rappazzo <rappazzo@gmail.com>
Subject: Re: What's the ".git/gitdir" file?
Date: Tue, 27 Oct 2015 19:26:34 -0400
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References: <87a8r4ary9.fsf@kyleam.com> <xmqqpozzncs0.fsf@gitster.mtv.corp.google.com>
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Cc: Kyle Meyer <kyle@kyleam.com>, Git List <git@vger.kernel.org>,
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	Eric Sunshine <sunshine@sunshineco.com>
To: Junio C Hamano <gitster@pobox.com>
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On Tue, Oct 27, 2015 at 6:54 PM, Junio C Hamano <gitster@pobox.com> wrote:
> Kyle Meyer <kyle@kyleam.com> writes:
>
>> When a ".git" file points to another repo, a ".git/gitdir" file is
>> created in that repo.
>>
>> For example, running
>>
>>     $ mkdir repo-a repo-b
>>     $ cd repo-a
>>     $ git init
>>     $ cd ../repo-b
>>     $ echo "gitdir: ../repo-a/.git" > .git
>>     $ git status
>>
>> results in a file "repo-a/.git/gitdir" that contains
>>
>>     $ cat repo-a/.git/gitdir
>>     .git
>
> Sounds like a bug in the recently added "worktree" stuff.  Perhaps
> update_linked_gitdir() tweaked by 82fde87f (setup: update the right
> file in multiple checkouts, 2015-08-25) is misbehaving?

I noticed that as I was working on the worktree list command that my
linked worktree gitdir files were being clobbered to '.git'.  I
attributed it to my work, but now that you mention it, I think it has
happened with the 2.6.1 release as well.