$ git clone -n https://gitee.com/zhonglingh/libnccl.git /var/lib/mock/dist-an8-epao-build-394008-72120/root/chroot_tmpdir/scmroot/libnccl
Cloning into '/var/lib/mock/dist-an8-epao-build-394008-72120/root/chroot_tmpdir/scmroot/libnccl'...
$ git reset --hard ace3d46553256c7b74156c390aa8c2693ba1da35
HEAD is now at ace3d46 upgrade to nccl-2.20.5