$ git clone -n https://gitee.com/src-opencloudos-rpms/memtest86plus.git /var/lib/mock/dist-oc9-build-43003-14591/root/chroot_tmpdir/scmroot/memtest86plus
Cloning into '/var/lib/mock/dist-oc9-build-43003-14591/root/chroot_tmpdir/scmroot/memtest86plus'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/memtest86plus
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f02c1e import memtest86+-5.31b-3.tl4