$ git clone -n https://src.fedoraproject.org/rpms/python-zopfli.git /var/lib/mock/f40-build-2204653-51968/root/chroot_tmpdir/scmroot/python-zopfli
Cloning into '/var/lib/mock/f40-build-2204653-51968/root/chroot_tmpdir/scmroot/python-zopfli'...
$ git fetch origin 88df9192c8f1e799f8f9ebb14505f317c5f38a65:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-zopfli
 * [new ref]         88df9192c8f1e799f8f9ebb14505f317c5f38a65 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88df919 Update to 0.2.3 version (#2238032)