$ git clone -n https://gitee.com/wency_cn/mdadm.git /var/lib/mock/dist-an23-build-490960-74530/root/chroot_tmpdir/scmroot/mdadm
Cloning into '/var/lib/mock/dist-an23-build-490960-74530/root/chroot_tmpdir/scmroot/mdadm'...
$ git fetch origin 1059408f9b6a0d67076b65b66dad6a95d701dcd1:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/mdadm
 * [new ref]         1059408f9b6a0d67076b65b66dad6a95d701dcd1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1059408 Update code from upstream