$ git clone -n https://src.fedoraproject.org/rpms/python-pari-jupyter.git /var/lib/mock/f41-build-855807-167429/root/chroot_tmpdir/scmroot/python-pari-jupyter
Cloning into '/var/lib/mock/f41-build-855807-167429/root/chroot_tmpdir/scmroot/python-pari-jupyter'...
$ git fetch origin d257a3db3429c1ceba3842c021be650ab2deb1b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pari-jupyter
 * [new ref]         d257a3db3429c1ceba3842c021be650ab2deb1b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d257a3d Rebuild for pari 2.17.0