RE: [PATCH] repack: respect gc.pid lock

[David Turner <David.Turner@twosigma.com>]

> -----Original Message-----
> From: Jeff King [mailto:peff@peff.net]
> Sent: Monday, April 17, 2017 11:42 PM
> To: David Turner <David.Turner@twosigma.com>
> Cc: git@vger.kernel.org; christian.couder@gmail.com; mfick@codeaurora.org;
> jacob.keller@gmail.com
> Subject: Re: [PATCH] repack: respect gc.pid lock
> 
> On Mon, Apr 17, 2017 at 11:29:18PM +0000, David Turner wrote:
> 
> > We saw this failure in the logs multiple  times (with three different
> > shas, while a gc was running):
> > April 12, 2017 06:45 -> ERROR -> 'git -c repack.writeBitmaps=true repack -A -d
> --pack-kept-objects' in [repo] failed:
> > fatal: packfile ./objects/pack/pack-[sha].pack cannot be accessed
> > Possibly some other repack was also running at the time as well.
> >
> > My colleague also saw it while manually doing gc (again while repacks
> > were likely to be running):
> 
> This is sort of a side question, but...why are you running other repacks alongside
> git-gc? It seems like you ought to be doing one or the other.

But actually, it would be kind of nice if git would help protect us from doing this?