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

From: Junio C Hamano <gitster@pobox.com>
Date: Oct 27, 2015, 22:54 UTC
Message-ID: <xmqqpozzncs0.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <87a8r4ary9.fsf@kyleam.com>

Kyle Meyer <kyle@kyleam.com> writes:

Show 16 quoted lines

> 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?