$ git clone -n https://gitee.com/wenyuzifang/rdma-core.git /var/lib/mock/dist-an23-build-464716-73881/root/chroot_tmpdir/scmroot/rdma-core
Cloning into '/var/lib/mock/dist-an23-build-464716-73881/root/chroot_tmpdir/scmroot/rdma-core'...
$ git fetch origin 1823f3887b0a82c840ab20c58fb0b5a25f0f9a5e:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/rdma-core
 * [new ref]         1823f3887b0a82c840ab20c58fb0b5a25f0f9a5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1823f38 Update code from upstream