$ git clone -n https://src.fedoraproject.org/rpms/python-cs.git /var/lib/mock/f45-build-30151-643/root/chroot_tmpdir/scmroot/python-cs
Cloning into '/var/lib/mock/f45-build-30151-643/root/chroot_tmpdir/scmroot/python-cs'...
$ git fetch origin d3622043ad8fd572abb19d960d40a5e844a35696:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cs
 * [new ref]         d3622043ad8fd572abb19d960d40a5e844a35696 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d362204 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild