$ git clone -n https://gitee.com/src-opencloudos-rpms/rhc-worker-playbook /var/lib/mock/dist-oc8-build-20215-4755/root/chroot_tmpdir/scmroot/rhc-worker-playbook
Cloning into '/var/lib/mock/dist-oc8-build-20215-4755/root/chroot_tmpdir/scmroot/rhc-worker-playbook'...
$ git reset --hard origin/oc8
HEAD is now at 26a8af1 import rhc-worker-playbook-0.1.8-1.oc8