$ git clone -n https://src.fedoraproject.org/rpms/python-moreorless.git /var/lib/mock/f45-build-31589-654/root/chroot_tmpdir/scmroot/python-moreorless
Cloning into '/var/lib/mock/f45-build-31589-654/root/chroot_tmpdir/scmroot/python-moreorless'...
$ git fetch origin 5bd71cc863cf4eedcf5843ac280b36d28d8aa1d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-moreorless
 * [new ref]         5bd71cc863cf4eedcf5843ac280b36d28d8aa1d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5bd71cc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild