$ git clone -n https://gitee.com/mgb01105731/userspace-rcu.git /var/lib/mock/dist-an23-build-129009-46217/root/chroot_tmpdir/scmroot/userspace-rcu
Cloning into '/var/lib/mock/dist-an23-build-129009-46217/root/chroot_tmpdir/scmroot/userspace-rcu'...
$ git reset --hard 537d2af6706fbdb3002734e8b3ca3e92f9a9a73c
HEAD is now at 537d2af  add doc package