$ git clone -n https://src.fedoraproject.org/rpms/python-eth-rlp.git /var/lib/mock/f45-build-39937-765/root/chroot_tmpdir/scmroot/python-eth-rlp
Cloning into '/var/lib/mock/f45-build-39937-765/root/chroot_tmpdir/scmroot/python-eth-rlp'...
$ git fetch origin 70ab5e451ee4d1f99ee01f88a9e270a8f14c4684:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-eth-rlp
 * [new ref]         70ab5e451ee4d1f99ee01f88a9e270a8f14c4684 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70ab5e4 Update to 3.0.0