$ git clone -n https://src.fedoraproject.org/rpms/python-eth-keys.git /var/lib/mock/f45-build-30535-646/root/chroot_tmpdir/scmroot/python-eth-keys
Cloning into '/var/lib/mock/f45-build-30535-646/root/chroot_tmpdir/scmroot/python-eth-keys'...
$ git fetch origin 70eb49ec2069b189728ac6f73aea1e38405cee7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-eth-keys
 * [new ref]         70eb49ec2069b189728ac6f73aea1e38405cee7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70eb49e Update to 0.8.0