$ git clone -n https://gitee.com/src-opencloudos-rpms/osbuild.git /var/lib/mock/dist-oc8-build-38195-12311/root/chroot_tmpdir/scmroot/osbuild
Cloning into '/var/lib/mock/dist-oc8-build-38195-12311/root/chroot_tmpdir/scmroot/osbuild'...
$ git reset --hard origin/oc8
HEAD is now at 1fd72a6 import osbuild-81-1.tl3