$ git clone -n https://src.fedoraproject.org/rpms/python-exabgp.git /var/lib/mock/f45-build-53918-930/root/chroot_tmpdir/scmroot/python-exabgp
Cloning into '/var/lib/mock/f45-build-53918-930/root/chroot_tmpdir/scmroot/python-exabgp'...
$ git fetch origin da6529848af5ac5031ba1f13690e32c43ee4f4f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-exabgp
 * [new ref]         da6529848af5ac5031ba1f13690e32c43ee4f4f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at da65298 Update to version 5.0.13 (resolves rhbz#2521279)