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

From: Junio C Hamano <gitster@pobox.com>
Date: Oct 28, 2015, 16:23 UTC
Message-ID: <xmqqwpu7klmu.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <CANoM8SWDHyS1P=o1FwZUnE4OVUhhFS+-dFfgPQPE-zeHtGAp3A@mail.gmail.com>

Mike Rappazzo <rappazzo@gmail.com> writes:

Show 28 quoted lines

> 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.

Thanks; I trust those who worked on the worktree feature in 2.6 timeframe would first take a look, OK?