$ git clone -n https://src.fedoraproject.org/rpms/python-sphinx-removed-in.git /var/lib/mock/f45-build-33083-666/root/chroot_tmpdir/scmroot/python-sphinx-removed-in
Cloning into '/var/lib/mock/f45-build-33083-666/root/chroot_tmpdir/scmroot/python-sphinx-removed-in'...
$ git fetch origin 8d411d4824a17458cac255c7f1ee09ab05009a70:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinx-removed-in
 * [new ref]         8d411d4824a17458cac255c7f1ee09ab05009a70 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d411d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild