$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-pv-tools.git /var/lib/mock/v8.3-incoming-9488-28222/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools
Cloning into '/var/lib/mock/v8.3-incoming-9488-28222/root/chroot_tmpdir/scmroot/xcp-ng-pv-tools'...
$ git fetch origin 62724601e5efccc6145a46c6e9b8e8de36cb12ab:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-ng-pv-tools
 * [new ref]         62724601e5efccc6145a46c6e9b8e8de36cb12ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6272460 Merge pull request #7 from xcp-ng-rpms/dnt/winpv-9.0.9137