$ git clone -n https://gitee.com/src-opencloudos-rpms/rig.git /var/lib/mock/dist-oc9-build-63874-16463/root/chroot_tmpdir/scmroot/rig
Cloning into '/var/lib/mock/dist-oc9-build-63874-16463/root/chroot_tmpdir/scmroot/rig'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rig
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7516683 import rig-1.1-5.tl4