$ git clone -n https://src.fedoraproject.org/rpms/xfce4-cpugraph-plugin.git /var/lib/mock/f45-build-38763-728/root/chroot_tmpdir/scmroot/xfce4-cpugraph-plugin
Cloning into '/var/lib/mock/f45-build-38763-728/root/chroot_tmpdir/scmroot/xfce4-cpugraph-plugin'...
$ git fetch origin 3b016b8619a0b68f1238d95e19b48979e56dfd1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-cpugraph-plugin
 * [new ref]         3b016b8619a0b68f1238d95e19b48979e56dfd1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b016b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild