$ git clone -n https://gitee.com/zhonglingh/libnccl.git /var/lib/mock/dist-an8-epao-build-394022-72120/root/chroot_tmpdir/scmroot/libnccl
Cloning into '/var/lib/mock/dist-an8-epao-build-394022-72120/root/chroot_tmpdir/scmroot/libnccl'...
$ git fetch origin 0bf36efd73377a65492f851ef99797c384d0a691:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/libnccl
 * [new ref]         0bf36efd73377a65492f851ef99797c384d0a691 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0bf36ef upgrade to nccl-2.20.5