From: Jeff King <peff@peff.net>
Date: Fri, 12 Feb 2016 18:27:33 GMT
Subject: Re: `.git` symlink makes `git submodule add` fail
Message-ID: <20160212182733.GA19973@sigill.intra.peff.net>
In-Reply-To: <xmqq60xtvlj9.fsf@gitster.mtv.corp.google.com>

On Fri, Feb 12, 2016 at 10:19:38AM -0800, Junio C Hamano wrote:

> >> Is this a bug, or is the ability to symlink `.git` just a happy coincidence?
> >
> > It has never been supported.
> 
> Oops, hit "send" too early.
> 
> We have support for a "gitdir:" facility that would work even on a
> filesystem that cannot do symlinks (see gitrepository-layout(5)),
> and both the higher-level submodule Porcelain and the more recent
> "worktree" experimental code do use it.

And the way to convince git to make the link for you is with clone's
"--separate-git-dir" option.

-Peff