$ git clone -n https://gitee.com/yummypeng/docker.git /var/lib/mock/dist-an8.5-build-91378-45225/root/chroot_tmpdir/scmroot/docker
Cloning into '/var/lib/mock/dist-an8.5-build-91378-45225/root/chroot_tmpdir/scmroot/docker'...
$ git reset --hard origin/a8
HEAD is now at 3ca8bda Init repo from docker-ce-packaging upstream