wikimedia/mediawiki-core

<?php

require_once __DIR__ . '/Maintenance.php';

class ValidateRegistrationFile extends Maintenance {
    public function __construct() {
        parent::__construct();
        $this->addArg(
            'path',
            'Path or glob pattern to extension.json/skin.json file.',
            true
        );
    }

    public function execute() {
        $validator = new ExtensionJsonValidator( function ( $msg ) {
            $this->fatalError( $msg );
        } );
        $validator->checkDependencies();
        $paths = glob( $this->getArg( 0 ) );
        foreach ( $paths as $path ) {
            try {
                $validator->validate( $path );
                $this->output( "$path validates against the schema!\n" );
            } catch ( ExtensionJsonValidationError $e ) {
                $this->fatalError( $e->getMessage() );
            }
        }
    }
}

$maintClass = ValidateRegistrationFile::class;
require_once RUN_MAINTENANCE_IF_MAIN;