$ git clone -n https://gitee.com/src-opencloudos-rpms/openchange /var/lib/mock/dist-oc8-build-27749-8562/root/chroot_tmpdir/scmroot/openchange
Cloning into '/var/lib/mock/dist-oc8-build-27749-8562/root/chroot_tmpdir/scmroot/openchange'...
$ git reset --hard origin/oc8
HEAD is now at ac1c78e import openchange-2.3-30.tl3