[libvirt] [PATCH] spec: Automatically apply all patches with git

[Jiri Denemark]

On Fri, Nov 21, 2014 at 17:21:07 -0700, Eric Blake wrote:
> On 11/21/2014 01:41 PM, Laine Stump wrote:
> > On 11/21/2014 12:20 PM, Jiri Denemark wrote:
> >> With this change, any patch declared in libvirt.spec with Patch[0-9]* is
> >> automatically applied in %prep. Unlike with the standard %patch[0-9]*,
> >> patches are applied with "git am" to avoid some unexpected results.
> >> However, as a result of this, all patches must be in the right format
> >> for "git am" to be able to apply them; they should ideally be generated
> >> from git using "git format-patch".
> > 
> > I've tried this out in the netcf specfile and it works well there too.
> > So a functional ACK from me. Someone else may have comments on the finer
> > details.
> > 
> > (The one thing I wonder about is this - once this patch is in, git will
> > be required for a build even if there are no patches beyond the original
> > tarball. I don't know if this concerns anyone or not...)
> 
> Doesn't bother me :)  Anyone liable to be developing rpms can be assumed
> to know about git by now.
> 
> >> +if [ $COUNT -gt 0 ]; then
> >> +    xargs git am <$PATCHLIST || exit 1
> > 
> > This is the first I noticed it doesn't use git am -3 (which I always
> > use), but since that option would require the upstream git history to be
> > available, I guess that is pointless here anyway :-)
> 
> Also, _not_ using -3 forces the patch application to be a bit stricter
> (nothing to 3-way fuzz against), so it is actually desirable as proof
> that the patches were generated correctly.
> 
> I'm not seeing any problems in the patch either, and it's had some
> runtime testing in downstream RHEL builds already, so ACK.

Pushed, thanks.

Jirka