From: Stephen Bash <bash@genarts.com>
Date: Mon, 13 Dec 2010 19:50:50 GMT
Subject: Re: Splitting a repository but sharing the common parts of the object database
Message-ID: <31673515.186200.1292269850925.JavaMail.root@mail.hq.genarts.com>
In-Reply-To: <20101213192053.GA30315@burratino>

----- Original Message -----
> From: "Jonathan Nieder" <jrnieder@gmail.com>
> To: "Phillip Susi" <psusi@cfl.rr.com>
> Cc: git@vger.kernel.org
> Sent: Monday, December 13, 2010 2:20:53 PM
> Subject: Re: Splitting a repository but sharing the common parts of the object database
> Hi Phillip,
> 
> Phillip Susi wrote:
> 
> > If I run a repack -a, then the new project has everything copied out
> > of the archive and into its new main pack, rather than continuing to
> > use the archive repository for old history, and just pack everything
> > since then. I guess I am looking for is somewhere between a full repack
> > and an incremental; a way to make repack -a discard existing local
> > packs, but to respect the alternate packs and omit objects they contain
> > from the new local pack.
> 
> You might be interested in girocco's fork support. See
> http://repo.or.cz/w/girocco.git/blob/HEAD:/jobd/gc.sh for starters.

You might also be interested in Pro Git's entry on git-replace:

  http://progit.org/2010/03/17/replace.html

It's a completely different approach than what you're suggesting, but might open up new and interesting avenues.

Stephen