deleteArchivedRevisions.php

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<?php
require_once( __DIR__ . '/Maintenance.php' );
require_once( __DIR__ . '/deleteArchivedRevisions.inc' );

class DeleteArchivedRevisions extends Maintenance {
        public function __construct() {
                parent::__construct();
                $this->mDescription = "Deletes all archived revisions\nThese revisions will no longer be restorable";
                $this->addOption( 'delete', 'Performs the deletion' );
        }

        public function handleOutput( $str ) {
                $this->output( $str );
        }

        public function execute() {
                $this->output( "Delete archived revisions\n\n" );
                # Data should come off the master, wrapped in a transaction
                if ( $this->hasOption( 'delete' ) ) {
                        DeleteArchivedRevisionsImplementation::doDelete( $this );
                } else {
                        $dbw = wfGetDB( DB_MASTER );
                        $res = $dbw->selectRow( 'archive', 'COUNT(*) as count', array(), __FUNCTION__ );
                        $this->output( "Found {$res->count} revisions to delete.\n" );
                        $this->output( "Please run the script again with the --delete option to really delete the revisions.\n" );
                }
        }
}

$maintClass = "DeleteArchivedRevisions";
require_once( RUN_MAINTENANCE_IF_MAIN );