$ git clone -n https://gitee.com/src-opencloudos-rpms/python-oslo-serialization.git /var/lib/mock/dist-oc9-build-121469-71671/root/chroot_tmpdir/scmroot/python-oslo-serialization
Cloning into '/var/lib/mock/dist-oc9-build-121469-71671/root/chroot_tmpdir/scmroot/python-oslo-serialization'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-oslo-serialization
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7dd3b1b import python-oslo-serialization-5.0.0-8.tl4