$ git clone -n https://gitee.com/yummypeng/docker.git /var/lib/mock/dist-an8.6-build-91935-45363/root/chroot_tmpdir/scmroot/docker
Cloning into '/var/lib/mock/dist-an8.6-build-91935-45363/root/chroot_tmpdir/scmroot/docker'...
$ git reset --hard 7e991f5f92e2fccb84c0117c83107787fb1908a1
HEAD is now at 7e991f5 Init repo from docker-ce-packaging upstream