wikimedia/mediawiki-core

<?php

use Composer\Semver\VersionParser;

require_once __DIR__ . '/Maintenance.php';

class UpdateExtensionJsonSchema extends Maintenance {

    public function __construct() {
        parent::__construct();
        $this->addDescription( 'Updates extension.json files to the latest manifest_version' );
        $this->addArg( 'path', 'Location to the extension.json or skin.json you wish to convert',
            /* $required = */ true );
    }

    public function execute() {
        $filename = $this->getArg( 0 );
        if ( !is_readable( $filename ) ) {
            $this->fatalError( "Error: Unable to read $filename" );
        }

        $json = FormatJson::decode( file_get_contents( $filename ), true );
        if ( !is_array( $json ) ) {
            $this->fatalError( "Error: Invalid JSON" );
        }

        if ( !isset( $json['manifest_version'] ) ) {
            $json['manifest_version'] = 1;
        }

        if ( $json['manifest_version'] == ExtensionRegistry::MANIFEST_VERSION ) {
            $this->output( "Already at the latest version: {$json['manifest_version']}\n" );
            return;
        }

        while ( $json['manifest_version'] !== ExtensionRegistry::MANIFEST_VERSION ) {
            $json['manifest_version'] += 1;
            $func = "updateTo{$json['manifest_version']}";
            $this->$func( $json );
        }

        $this->updateRequiredMwVersion( $json );

        file_put_contents( $filename, FormatJson::encode( $json, "\t", FormatJson::ALL_OK ) . "\n" );
        $this->output( "Updated to {$json['manifest_version']}...\n" );
    }

    /**
     * @param array &$json
     */
    protected function updateRequiredMwVersion( &$json ) {
        if ( !isset( $json['requires'] ) ) {
            $json['requires'] = [];
        }

        $needNewVersion = true;

        // When version is set, parse it and compare against requirement for new manifest
        if ( isset( $json['requires'][ExtensionRegistry::MEDIAWIKI_CORE] ) ) {
            $versionParser = new VersionParser();
            $currentRequired = $versionParser->parseConstraints(
                // @phan-suppress-next-line PhanTypeInvalidDimOffset,PhanTypeMismatchArgument isset check exists
                $json['requires'][ExtensionRegistry::MEDIAWIKI_CORE]
            );
            $newRequired = $versionParser->parseConstraints(
                // The match works only when using an equal comparision
                str_replace( '>=', '==', ExtensionRegistry::MANIFEST_VERSION_MW_VERSION )
            );
            if ( !$currentRequired->matches( $newRequired ) ) {
                $needNewVersion = false;
            }
        }

        if ( $needNewVersion ) {
            // Set or update a requirement on the MediaWiki version
            // that the current MANIFEST_VERSION was introduced in.
            $json['requires'][ExtensionRegistry::MEDIAWIKI_CORE] =
                ExtensionRegistry::MANIFEST_VERSION_MW_VERSION;
        }
    }

    protected function updateTo2( &$json ) {
        if ( isset( $json['config'] ) ) {
            $config = $json['config'];
            $json['config'] = [];
            if ( isset( $config['_prefix'] ) ) {
                $json = wfArrayInsertAfter( $json, [
                    'config_prefix' => $config['_prefix']
                ], 'config' );
                unset( $config['_prefix'] );
            }

            foreach ( $config as $name => $value ) {
                if ( $name[0] !== '@' ) {
                    $json['config'][$name] = [ 'value' => $value ];
                    if ( isset( $value[ExtensionRegistry::MERGE_STRATEGY] ) ) {
                        $json['config'][$name]['merge_strategy'] = $value[ExtensionRegistry::MERGE_STRATEGY];
                        unset( $json['config'][$name]['value'][ExtensionRegistry::MERGE_STRATEGY] );
                    }
                    if ( isset( $config["@$name"] ) ) {
                        // Put 'description' first for better human-legibility.
                        $json['config'][$name] = array_merge(
                            [ 'description' => $config["@$name"] ],
                            $json['config'][$name]
                        );
                    }
                }
            }
        }

        // Re-maps top level keys under attributes
        $attributes = [
            'CodeMirrorPluginModules' => [ 'CodeMirror', 'PluginModules' ],
            'CodeMirrorTagModes' => [ 'CodeMirror', 'TagModes' ],
            'EventLoggingSchemas' => [ 'EventLogging', 'Schemas' ],
            'SyntaxHighlightModels' => [ 'SyntaxHighlight', 'Models' ],
            'VisualEditorAvailableContentModels' => [ 'VisualEditor', 'AvailableContentModels' ],
            'VisualEditorAvailableNamespaces' => [ 'VisualEditor', 'AvailableNamespaces' ],
            'VisualEditorPreloadModules' => [ 'VisualEditor', 'PreloadModules' ],
            'VisualEditorPluginModules' => [ 'VisualEditor', 'PluginModules' ],
        ];

        foreach ( $attributes as $name => $value ) {
            if ( !isset( $json[$name] ) ) {
                continue;
            }

            $json['attributes'][$value[0]][$value[1]] = $json[$name];
            unset( $json[$name] );
        }
    }
}

$maintClass = UpdateExtensionJsonSchema::class;
require_once RUN_MAINTENANCE_IF_MAIN;