$ git clone -n https://src.fedoraproject.org/rpms/python-arviz.git /var/lib/mock/f40-build-2717240-72749/root/chroot_tmpdir/scmroot/python-arviz
Cloning into '/var/lib/mock/f40-build-2717240-72749/root/chroot_tmpdir/scmroot/python-arviz'...
$ git fetch origin 552e13fbc7ecb0861921419a593e506d58a3acf6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-arviz
 * [new ref]         552e13fbc7ecb0861921419a593e506d58a3acf6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 552e13f New upstream source 0.17.1