$ git clone -n https://gitee.com/src-opencloudos-rpms/mdadm.git /var/lib/mock/dist-oc8-build-229128-81287/root/chroot_tmpdir/scmroot/mdadm
Cloning into '/var/lib/mock/dist-oc8-build-229128-81287/root/chroot_tmpdir/scmroot/mdadm'...
$ git fetch origin 99a99f81803b9cd752ad951aa8e8e2a3958ae213:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mdadm
 * [new ref]         99a99f81803b9cd752ad951aa8e8e2a3958ae213 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 99a99f8 import mdadm-4.2-19.tl3