$ git clone -n https://src.fedoraproject.org/rpms/wlmaker.git /var/lib/mock/f45-build-38413-724/root/chroot_tmpdir/scmroot/wlmaker
Cloning into '/var/lib/mock/f45-build-38413-724/root/chroot_tmpdir/scmroot/wlmaker'...
$ git fetch origin f77ce58f803e561997ffbdd29c3eb482628db8a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wlmaker
 * [new ref]         f77ce58f803e561997ffbdd29c3eb482628db8a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f77ce58 Update to 0.8.1