$ git clone -n https://gitee.com/src-opencloudos-rpms/plexus-archiver.git /var/lib/mock/dist-oc9-build-71446-47556/root/chroot_tmpdir/scmroot/plexus-archiver
Cloning into '/var/lib/mock/dist-oc9-build-71446-47556/root/chroot_tmpdir/scmroot/plexus-archiver'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/plexus-archiver
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51e4d2f import plexus-archiver-4.2.7-5.tl4