$ git clone -n https://gitee.com/xiaolunfhb/userspace-rcu.git /var/lib/mock/dist-an8.6-build-105505-45598/root/chroot_tmpdir/scmroot/userspace-rcu
Cloning into '/var/lib/mock/dist-an8.6-build-105505-45598/root/chroot_tmpdir/scmroot/userspace-rcu'...
$ git reset --hard fda0fc0390a24da4c6d9be3bb2caf01622250e23
HEAD is now at fda0fc0 spec: add doc sub package