$ git clone -n https://src.fedoraproject.org/rpms/crossfire-maps.git /var/lib/mock/f41-build-1034551-18640/root/chroot_tmpdir/scmroot/crossfire-maps
Cloning into '/var/lib/mock/f41-build-1034551-18640/root/chroot_tmpdir/scmroot/crossfire-maps'...
$ git fetch origin 25eeead4aff1ee541b67ba2b7b4ba6a7b2f31442:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/crossfire-maps
 * [new ref]         25eeead4aff1ee541b67ba2b7b4ba6a7b2f31442 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 25eeead Eliminate use of obsolete %patchN syntax (#2283636)