wikimedia/mediawiki-extensions-Translate

<?php
/**
 * Creates a database of keys in all groups, so that namespace and key can be
 * used to get the group they belong to. This is used as a fallback when there
 * is no other way to know which message group a message belongs to.
 *
 * @author Niklas Laxström
 * @license GPL-2.0-or-later
 * @file
 */

use MediaWiki\Extension\Translate\MessageGroupProcessing\MessageGroups;
use MediaWiki\Extension\Translate\Services;

// Standard boilerplate to define $IP
if ( getenv( 'MW_INSTALL_PATH' ) !== false ) {
    $IP = getenv( 'MW_INSTALL_PATH' );
} else {
    $dir = __DIR__;
    $IP = "$dir/../../..";
}
require_once "$IP/maintenance/Maintenance.php";

class CreateMessageIndex extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Creates or updates a message index.' );
        $this->requireExtension( 'Translate' );
    }

    public function execute() {
        MessageGroups::singleton()->recache();
        Services::getInstance()->getMessageIndex()->rebuild();
    }
}

$maintClass = CreateMessageIndex::class;
require_once RUN_MAINTENANCE_IF_MAIN;