From: Santi Béjar <sbejar@gmail.com>
Date: Thu, 24 May 2007 12:23:25 GMT
Subject: Re: [RFC] Fourth round of support for cloning submodules
Message-ID: <8aa486160705240523q7c8e2813x9e46efe16dea8321@mail.gmail.com>
In-Reply-To: <20070524114354.GN942MdfPADPa@greensroom.kotnet.org>

On 5/24/07, Sven Verdoolaege <skimo@kotnet.org> wrote:
> On Thu, May 24, 2007 at 12:31:33PM +0100, Johannes Schindelin wrote:
> > On Thu, 24 May 2007, Sven Verdoolaege wrote:
> > > OK... so what should git-update-server-info put in this file for submodules?
> > > Or, equivalently, what should be the output of ls-remote?
> > >
> > > Right now its a list of pairs of revs(sha1) and refs.
> > > For submodules we want a connection between a submodule name
> > > and one or more URLs where the submodule can be found.
> > > How are you going to squeeze that into info/refs without confusing
> > > older versions of git?
> >
> > I wonder if the "ref^{blub}" syntax could be used for that: change "blub"
> > to the URL, or "sub:URL" or something.
>
> Just to be clear, would it look like the following?
>
> e8a6e39ecfbd391a54b9c3329fd3c6e33d745abd        refs/heads/bernstein
> c5c64e3fe48302f0c4581985f9c68d615f7bcb4e        refs/heads/master
> 3fa7ded19a8da868d3af7c942f86358e6720f0c7        refs/heads/submodule
> /home/sverdool/public_html/cloog.git    cloog^{URL}
> http://www.liacs.nl/~sverdool/cloog.git cloog^{URL}
>
> Is there no code out there that expects the "rev" part to be
> exactly 40 characters?
> Or do you propose we put the URL in a blob and put the object sha1
> in there.  If so, who's going to create these blobs for the git://
> and ssh:// protocols?  upload-pack?

There was a thread about adding symrefs to this as:

ref: refs/heads/master    HEAD
c5c64e3fe48302f0c4581985f9c68d615f7bcb4e        refs/heads/master

we could extend this for subproject support as:

subproject: kernel:URL    refs/heads/master
subproject: gcc:URL    refs/heads/master

And it allows to define different URL for different branches
(linux-2.6.git for master and linux-2.4.git for old, for example).

Just my 0.02 cents.

Santi

>
> Thanks for the discussion, btw.
> I hope we can come up with something that's acceptable to everyone.
>
> skimo
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