Re: What's the ".git/gitdir" file?

From: Mike Rappazzo <rappazzo@gmail.com>
Date: Oct 27, 2015, 23:26 UTC
Message-ID: <CANoM8SWDHyS1P=o1FwZUnE4OVUhhFS+-dFfgPQPE-zeHtGAp3A@mail.gmail.com>
In-Reply-To: <xmqqpozzncs0.fsf@gitster.mtv.corp.google.com>

On Tue, Oct 27, 2015 at 6:54 PM, Junio C Hamano <gitster@pobox.com> wrote:

Show 22 quoted lines

> 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.