<?php
/**
- * Copy all files in one container of one backend to another.
+ * Copy all files in some containers of one backend to another.
*
- * This can also be used to re-shard the files for one backend using the
- * config of second backend. The second backend should have the same config
- * as the first, except for it having a different name and different sharding
- * configuration. The backend should be made read-only while this runs.
- * After this script finishes, the old files in the containers can be deleted.
- *
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or