$ git clone -n https://gitee.com/src-opencloudos-rpms/rear.git /var/lib/mock/dist-oc8-build-38346-12399/root/chroot_tmpdir/scmroot/rear
Cloning into '/var/lib/mock/dist-oc8-build-38346-12399/root/chroot_tmpdir/scmroot/rear'...
$ git reset --hard origin/oc8
HEAD is now at 5edb249 import rear-2.6-9.tl3