$ git clone -n https://src.fedoraproject.org/rpms/crossfire-maps.git /var/lib/mock/f45-build-7090-356/root/chroot_tmpdir/scmroot/crossfire-maps
Cloning into '/var/lib/mock/f45-build-7090-356/root/chroot_tmpdir/scmroot/crossfire-maps'...
$ git fetch origin fa5be94fbaf9c0dfdc539487b090a92df0db505e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crossfire-maps
 * [new ref]         fa5be94fbaf9c0dfdc539487b090a92df0db505e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa5be94 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild