Re: git clone sending unneeded objects

From: Matthieu Moy <matthieu.moy@grenoble-inp.fr>
Date: Sep 25, 2009, 19:34 UTC
Message-ID: <vpqvdj6izt6.fsf@bauges.imag.fr>
In-Reply-To: <4ABD0669.7050309@redhat.com>

Jason Merrill <jason@redhat.com> writes:

Show 19 quoted lines

> 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.

-- 
Matthieu Moy
http://www-verimag.imag.fr/~moy/