$ git clone -n https://gitee.com/src-opencloudos-rpms/iotop.git /var/lib/mock/dist-oc9-build-70088-47386/root/chroot_tmpdir/scmroot/iotop
Cloning into '/var/lib/mock/dist-oc9-build-70088-47386/root/chroot_tmpdir/scmroot/iotop'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/iotop
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ef1678 import iotop-0.6-6.tl4