$ git clone -n https://src.fedoraproject.org/rpms/python-zc-lockfile.git /var/lib/mock/f45-build-33732-674/root/chroot_tmpdir/scmroot/python-zc-lockfile
Cloning into '/var/lib/mock/f45-build-33732-674/root/chroot_tmpdir/scmroot/python-zc-lockfile'...
$ git fetch origin b473c70bfc8b9a2748162391fd3e8db43a7a26f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zc-lockfile
 * [new ref]         b473c70bfc8b9a2748162391fd3e8db43a7a26f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b473c70 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild