$ git clone -n https://gitee.com/wenyuzifang/mdadm.git /var/lib/mock/dist-an23-build-464693-73881/root/chroot_tmpdir/scmroot/mdadm
Cloning into '/var/lib/mock/dist-an23-build-464693-73881/root/chroot_tmpdir/scmroot/mdadm'...
$ git fetch origin 35d8fd49d72efd764daa999fa178e4eacabc3855:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/mdadm
 * [new ref]         35d8fd49d72efd764daa999fa178e4eacabc3855 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 35d8fd4 Update code from upstream