Using git for patch management in Fedora

[Toshio Kuratomi]

On Tue, Nov 19, 2013 at 05:32:01PM +0000, Daniel P. Berrange wrote:
> On Tue, Nov 19, 2013 at 07:27:20PM +0200, Alek Paunov wrote:
> > On 19.11.2013 16:20, Daniel P. Berrange wrote:
> > >On Tue, Nov 19, 2013 at 01:29:06PM +0000, Richard W.M. Jones wrote:
> > >>On Tue, Nov 19, 2013 at 01:39:50PM +0100, Karel Zak wrote:
> > >>>We have to learn fedpkg to do all the magic ;-) Something like
> > >>>
> > >>>add remote git tree with exploded tree:
> > >>>
> > >>>   fedpkg exploded-tree add ssh://git.fedorahosted.org/git/foo.git
> > >>
> > >>This is all great, but the problem is that co-maintainers and
> > >>provenpackagers need to be (automatically if possible) added to the
> > >>fedorahosted tree.  Otherwise there's a big extra step for them if
> > >>they want to follow the package owner's preferred patching system.
> > >
> > >Ideally the GIT SCM request added to bugzilla when reviews are
> > >approved would have a "Upstream GIT URL" option and would setup
> > >a clone of this, and create branches for the fedora releases,
> > >and apply the same permissioning model from dist-git branches
> > >of the same names.
> > >
> > 
> > What about intermediate step: optional "fNN-upstream" branch in
> > addition to fNN, containing relevant upstream revision as git
> > submodule (preferably referencing fedorahosted mirror, but initially
> > also allowing "external" clones)?
> 
> I think it would be better to keep the upstream repo separate for
> sake of size. People who just want to checkout the latest RPM
> branches don't want to have to pull down 100's of MB, potentially
> GB, worth of GIT repo, when current Fedora GIT repos are a mere
> few MB. Only maintainers actively updating patches need that
> burden.
> 
It probably makes sense to have a "lookaside git" that's similar to the
"lookaside cache".

One note though, I think that in the past one of the discussion points we've
foundered on is whether we want to be mirroring upstream's git repo or
(approximately) upstream's releases.  I think that's probably where we'd
need to start discussion.

-Toshio
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