$ git clone -n https://src.fedoraproject.org/rpms/xfce4-fsguard-plugin.git /var/lib/mock/f45-build-38760-728/root/chroot_tmpdir/scmroot/xfce4-fsguard-plugin
Cloning into '/var/lib/mock/f45-build-38760-728/root/chroot_tmpdir/scmroot/xfce4-fsguard-plugin'...
$ git fetch origin e72f3f400aeec1cc98bcaa8a87df053ecd3ec9f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-fsguard-plugin
 * [new ref]         e72f3f400aeec1cc98bcaa8a87df053ecd3ec9f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e72f3f4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild