From: Nicolas Pitre <nico@fluxnic.net>
Date: Fri, 25 Sep 2009 19:53:09 GMT
Subject: Re: git clone sending unneeded objects
Message-ID: <alpine.LFD.2.00.0909251551290.4997@xanadu.home>
In-Reply-To: <vpqvdj6izt6.fsf@bauges.imag.fr>

On Fri, 25 Sep 2009, Matthieu Moy wrote:

> Jason Merrill <jason@redhat.com> writes:
> 
> > On 08/09/2009 03:43 AM, Andreas Schwab wrote:
> >> Nicolas Pitre<nico@cam.org>  writes:
> >>
> >>> If you do a clone using the git:// protocol and the server sends you
> >>> only the ref for the trunk branch,
> >>
> >> A clone will fetch all branches from refs/heads/*.
> >>
> >>> then it should send you only objects reachable from that branch.
> >>
> >> Apparantly this does not work.  I'd guess the extra objects are needed
> >> due to the delta compression.
> >
> > I just tried doing a clone of the GCC repository, then git gc
> > --prune=now, and another clone specifying --reference to the first,
> > and it wanted to download all the unreachable objects again.  So it
> > doesn't seem to be a compression issue.
> >
> > This is with git 1.6.4 on both ends.
> 
> Which protocol did you use?
> 
> If you use git:// or ssh://, it's normally a security feature that Git
> sends you only reachable objects. If it doesn't, it's a serious bug.

I did reproduce the issue with git:// back when this discussion started. 
I also asked for more information about the remote which didn't come 
forth.


Nicolas