$ git clone -n https://gitee.com/wenyuzifang/rdma-core.git /var/lib/mock/dist-an23-build-470187-74061/root/chroot_tmpdir/scmroot/rdma-core
Cloning into '/var/lib/mock/dist-an23-build-470187-74061/root/chroot_tmpdir/scmroot/rdma-core'...
$ git fetch origin aa6a13a96b3848455a189a07d4706217b5e4293b:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rdma-core
 * [new ref]         aa6a13a96b3848455a189a07d4706217b5e4293b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa6a13a Update code from upstream