From: Jeff King <peff@peff.net>
Date: Mon, 05 Dec 2016 07:18:22 GMT
Subject: Re: Git v2.11.0 breaks max depth nested alternates
Message-ID: <20161205071822.ndeswelgj5epej5k@sigill.intra.peff.net>
In-Reply-To: <49DE271A91214D6DADBD4DE667A1659B@PhilipOakley>

On Sun, Dec 04, 2016 at 11:22:52AM -0000, Philip Oakley wrote:

> > Ever since 722ff7f876 (receive-pack: quarantine objects until
> > pre-receive accepts, 2016-10-03, v2.11.0), Git has been quarantining
> > objects and packs received during an incoming push into a separate
> > objects directory and using the alternates mechanism to make them
> > available until they are either accepted and moved into the main
> > objects directory or rejected and discarded.
> 
> Is there a step here that after the accepted/rejected stage, it should then
> decrement the limit back to its original value. The problem description
> suggests that might be the case.

No. I thought that at first, too, but this increment happens in the
sub-process which is using the extra level of alternates for its entire
lifetime. So it "resets" it by exiting, and the parent process never
increments its internal value at all.

-Peff