$ git clone -n https://src.fedoraproject.org/rpms/xfce4-cpugraph-plugin.git /var/lib/mock/f39-build-1463974-33466/root/chroot_tmpdir/scmroot/xfce4-cpugraph-plugin
Cloning into '/var/lib/mock/f39-build-1463974-33466/root/chroot_tmpdir/scmroot/xfce4-cpugraph-plugin'...
$ git fetch origin ca1ab2e3b9ade8946874ae8e8b8c276e1e7178ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-cpugraph-plugin
 * [new ref]         ca1ab2e3b9ade8946874ae8e8b8c276e1e7178ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca1ab2e Update to v1.2.8