$ git clone -n https://gitee.com/mgb01105731/userspace-rcu.git /var/lib/mock/dist-an23-build-128999-46217/root/chroot_tmpdir/scmroot/userspace-rcu
Cloning into '/var/lib/mock/dist-an23-build-128999-46217/root/chroot_tmpdir/scmroot/userspace-rcu'...
$ git reset --hard origin/a23
HEAD is now at 537d2af  add doc package