$ git clone -n https://github.com/xcp-ng-rpms/xcp-featured.git /var/lib/mock/v8.3-u-pcoval2-10522-29078/root/chroot_tmpdir/scmroot/xcp-featured
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10522-29078/root/chroot_tmpdir/scmroot/xcp-featured'...
$ git fetch origin 97b156bee72d65c85b969c56f3bad3f58f99b742:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xcp-featured
 * [new ref]         97b156bee72d65c85b969c56f3bad3f58f99b742 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97b156b bump release for test build