$ git clone -n https://src.fedoraproject.org/rpms/rygel.git /var/lib/mock/f45-build-35523-695/root/chroot_tmpdir/scmroot/rygel
Cloning into '/var/lib/mock/f45-build-35523-695/root/chroot_tmpdir/scmroot/rygel'...
$ git fetch origin 427ef4fb3d2a69fbd35e95db70b473c70911b634:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rygel
 * [new ref]         427ef4fb3d2a69fbd35e95db70b473c70911b634 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 427ef4f Update to 46.0