$ git clone -n https://gitee.com/src-opencloudos-rpms/python-reno.git /var/lib/mock/dist-oc9-build-53294-14748/root/chroot_tmpdir/scmroot/python-reno
Cloning into '/var/lib/mock/dist-oc9-build-53294-14748/root/chroot_tmpdir/scmroot/python-reno'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-reno
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92e9517 import python-reno-3.3.0-2.tl4