$ git clone -n https://src.fedoraproject.org/rpms/python-rtslib.git /var/lib/mock/f45-build-32843-664/root/chroot_tmpdir/scmroot/python-rtslib
Cloning into '/var/lib/mock/f45-build-32843-664/root/chroot_tmpdir/scmroot/python-rtslib'...
$ git fetch origin b156c8b6b9b3a99a012d304a21403fd8d3d6ad2c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rtslib
 * [new ref]         b156c8b6b9b3a99a012d304a21403fd8d3d6ad2c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b156c8b Use github release tarball until upstream doc fix