Re: rsync busy non-bare git repo 'source' to quiet

From: Jeff King <peff@peff.net>
Date: Mar 8, 2011, 22:38 UTC
Message-ID: <20110308223841.GA6648@sigill.intra.peff.net>
In-Reply-To: <4D76ABB1.9080001@gmail.com>

On Tue, Mar 08, 2011 at 04:20:33PM -0600, Neal Kreitzinger wrote:

> Rsync seems like a simpler solution and more accurate solution for
> creating a copy of an ecosystem of interrelated git repos colocated on
> the same box.

Sure. It is simpler, but not atomic unless you do a multi-stage rsync.

Show 9 quoted lines

> A previous post in the newsgroup states:
> > If you want your rsync backup to be fine, you need to follow some
> >ordering.  You need to copy the refs first (.git/packed-refs and
> >.git/refs/), then the loose objects (.git/objects/??/*), and then all
> >the rest.  If files are copied in a different order while some write
> >operations are performed on the source repository then you may end up
> >with an incoherent repository."
> 
> Would that work?

If you do it in that order, the end result will be a consistent repo. But during the copy, the refs at the destination will point to objects you don't have. I don't know if that matters for your case.

-Peff