$ git clone -n https://gitee.com/src-opencloudos-rpms/rubberband /var/lib/mock/dist-oc9-epol-build-55351-14780/root/chroot_tmpdir/scmroot/rubberband
Cloning into '/var/lib/mock/dist-oc9-epol-build-55351-14780/root/chroot_tmpdir/scmroot/rubberband'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/rubberband
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9de9c7 import rubberband-3.1.2-2.tl4