From Fedora Project Wiki

The qemu package maintainers use the qemu-fedora.git git repository in order to maintain the package's patch set.

The basic idea is:

  1. There should be an upstream tag corresponding to the pristine upstream sources - e.g. the kvm-88 tag in qemu-kvm.git corresponds to the qemu-kvm-devel-88 tarball
  2. Each commit in qemu-fedora.git descending from the upstream tag is an individual patch in the RPM
  3. Each commit is preferably cherry-picked from upstream using git cherry-pick -x
  4. Each commit should be signed off by the package maintainer who added it
  5. We match commits to patch filenames using Fedora-patch: meta-data
  6. The patch set should be re-based using git rebase <upstream tag> when moving to a new upstream release

In order to sync the patches from git to CVS, do e.g: 

 $> git clean -f
 $> git format-patch -N kvm-88
 $> for p in 000*.patch; do mv $p /pkgs/qemu/devel/$(awk '/^Fedora-patch: / {print $2;}' $p); done
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