$ git clone -n https://gitee.com/src-opencloudos-rpms/ocai-agent /var/lib/mock/dist-oc8-build-180417-80099/root/chroot_tmpdir/scmroot/ocai-agent
Cloning into '/var/lib/mock/dist-oc8-build-180417-80099/root/chroot_tmpdir/scmroot/ocai-agent'...
$ git fetch origin d192b4bc55920c80c10a0d4918b3d4277b6a8f68:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ocai-agent
 * [new ref]         d192b4bc55920c80c10a0d4918b3d4277b6a8f68 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d192b4b rebuild for oc8