$ git clone -n https://gitee.com/src-opencloudos-rpms/grafana-pcp.git /var/lib/mock/dist-oc9-build-229462-81349/root/chroot_tmpdir/scmroot/grafana-pcp
Cloning into '/var/lib/mock/dist-oc9-build-229462-81349/root/chroot_tmpdir/scmroot/grafana-pcp'...
$ git fetch origin e8d9a85236d3641b2a65172a2de2f8e35f40fd20:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/grafana-pcp
 * [new ref]         e8d9a85236d3641b2a65172a2de2f8e35f40fd20 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8d9a85 import grafana-pcp-5.3.0-3.tl4