$ git clone -n https://gitee.com/Weisson/userspace-rcu.git /var/lib/mock/dist-an8.8-build-297337-65827/root/chroot_tmpdir/scmroot/userspace-rcu
Cloning into '/var/lib/mock/dist-an8.8-build-297337-65827/root/chroot_tmpdir/scmroot/userspace-rcu'...
$ git reset --hard 7a82761e0e45a27928de6962bee5b0b99d49f2de
HEAD is now at 7a82761 SW 6b does not support opcode mb anymore.