$ git clone -n https://gitee.com/src-opencloudos-rpms/plexus-io.git /var/lib/mock/dist-oc9-build-71455-47556/root/chroot_tmpdir/scmroot/plexus-io
Cloning into '/var/lib/mock/dist-oc9-build-71455-47556/root/chroot_tmpdir/scmroot/plexus-io'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/plexus-io
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e459b9 import plexus-io-3.2.0-6.tl4