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;