From: Shawn O. Pearce <spearce@spearce.org>
Date: Sat, 27 Dec 2008 17:26:07 GMT
Subject: Re: [git-new-workdir RFC] Backlinking $workdir/logs/HEAD to $GIT_DIR/logs/workdir?
Message-ID: <20081227172607.GA22075@spearce.org>
In-Reply-To: <20081227121526.GA12120@chistera.yi.org>

Adeodato Simó <dato@net.com.org.es> wrote:
> I use git new-workdir for some of my projects. Apart from the usual
> caveat "don't checkout the same branch twice", I found another small
> issue, surely known: the reflog for HEAD in the workidirs does not exist
> in the source git repo, hence git-gc will happily prune what it believes
> to be dangling commits.
> 
> Would it be, perhaps, be okay to create a logs/workdir/<name>/HEAD
> symlink pointing to $workdir/logs/HEAD, so that this does not happen?

You also need to link the ref.  A log is only scanned if the
ref by the same name is scanned.

So you'd need to create a refs/workdir/<name>/HEAD in the parent
repository.  Using a symlink to point to the HEAD file from the
workdir might just work.

-- 
Shawn.