$ git clone -n https://gitee.com/src-opencloudos-rpms/vdo /var/lib/mock/dist-oc8-build-31627-9241/root/chroot_tmpdir/scmroot/vdo
Cloning into '/var/lib/mock/dist-oc8-build-31627-9241/root/chroot_tmpdir/scmroot/vdo'...
$ git reset --hard origin/oc8
HEAD is now at 2136b55 import vdo-6.2.7.17-14.oc8