$ git clone -n https://src.fedoraproject.org/rpms/python-jupyter-packaging.git /var/lib/mock/f45-build-31228-651/root/chroot_tmpdir/scmroot/python-jupyter-packaging
Cloning into '/var/lib/mock/f45-build-31228-651/root/chroot_tmpdir/scmroot/python-jupyter-packaging'...
$ git fetch origin 733d295a87a7fb46888dadebfcaebde730544793:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jupyter-packaging
 * [new ref]         733d295a87a7fb46888dadebfcaebde730544793 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 733d295 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild