$ git clone -n https://src.fedoraproject.org/rpms/python-rlp.git /var/lib/mock/f45-build-39954-765/root/chroot_tmpdir/scmroot/python-rlp
Cloning into '/var/lib/mock/f45-build-39954-765/root/chroot_tmpdir/scmroot/python-rlp'...
$ git fetch origin 3eca8c011e1c3582502ea6b3e3000b982249a069:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rlp
 * [new ref]         3eca8c011e1c3582502ea6b3e3000b982249a069 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3eca8c0 Update to 5.0.0