$ git clone -n https://src.fedoraproject.org/rpms/wlsunset.git /var/lib/mock/f45-build-38435-724/root/chroot_tmpdir/scmroot/wlsunset
Cloning into '/var/lib/mock/f45-build-38435-724/root/chroot_tmpdir/scmroot/wlsunset'...
$ git fetch origin ae6d80a16160016bf20b30af042e7711de08a825:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wlsunset
 * [new ref]         ae6d80a16160016bf20b30af042e7711de08a825 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae6d80a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild