$ git clone -n https://src.fedoraproject.org/rpms/cacti-spine.git /var/lib/mock/f39-build-1557554-37293/root/chroot_tmpdir/scmroot/cacti-spine
Cloning into '/var/lib/mock/f39-build-1557554-37293/root/chroot_tmpdir/scmroot/cacti-spine'...
$ git fetch origin 982181e71b69d9ffa48c106ec74a52123f889d18:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cacti-spine
 * [new ref]         982181e71b69d9ffa48c106ec74a52123f889d18 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 982181e Update to version 1.2.25