$ git clone -n https://gitee.com/zhonglingh/libnccl.git /var/lib/mock/dist-an8-epao-build-394073-72120/root/chroot_tmpdir/scmroot/libnccl
Cloning into '/var/lib/mock/dist-an8-epao-build-394073-72120/root/chroot_tmpdir/scmroot/libnccl'...
$ git reset --hard cce3e4c4fdb88bfc2847849a091b88e2d01f5853
HEAD is now at cce3e4c upgrade to nccl-2.20.5