$ git clone -n https://src.fedoraproject.org/rpms/erlang-basho_stats.git /var/lib/mock/f41-build-side-1-2811233-32927/root/chroot_tmpdir/scmroot/erlang-basho_stats
Cloning into '/var/lib/mock/f41-build-side-1-2811233-32927/root/chroot_tmpdir/scmroot/erlang-basho_stats'...
$ git fetch origin 7485938ca2c55c73a1d808975e44e3f8deccb249:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-basho_stats
 * [new ref]         7485938ca2c55c73a1d808975e44e3f8deccb249 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7485938 Cosmetic changes