mergeMessageFileList.php

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<?php
# Start from scratch
define( 'MW_NO_EXTENSION_MESSAGES', 1 );

require_once( dirname( __FILE__ ) . '/Maintenance.php' );

class MergeMessageFileList extends Maintenance {

        function __construct() {
                parent::__construct();
                $this->addOption( 'list-file', 'A file containing a list of extension setup files, one per line.', true, true );
                $this->addOption( 'output', 'Send output to this file (omit for stdout)', false, true );
                $this->mDescription = 'Merge $wgExtensionMessagesFiles from various extensions to produce a ' .
                        'single array containing all message files.';
        }

        public function execute() {
                $lines = file( $this->getOption( 'list-file' ) );
                if ( $lines === false ) {
                        $this->error( 'Unable to open list file.' );
                }
                $mmfl = array( 'setupFiles' => array_map( 'trim', $lines ) );
                if ( $this->hasOption( 'output' ) ) {
                        $mmfl['output'] = $this->getOption( 'output' );
                }

                global $IP, $wgExtensionMessagesFiles;
                foreach ( $mmfl['setupFiles'] as $fileName ) {
                        if ( strval( $fileName ) === '' ) {
                                continue;
                        }
                        $fileName = str_replace( '$IP', $IP, $fileName );
                        fwrite( STDERR, "Loading data from $fileName\n" );
                        include_once( $fileName );
                }
                fwrite( STDERR, "\n" );
                $s =
                        "<" . "?php\n" .
                        "## This file is generated by mergeMessageFileList.php. Do not edit it directly.\n\n" .
                        "if ( defined( 'MW_NO_EXTENSION_MESSAGES' ) ) return;\n\n" .
                        '$wgExtensionMessagesFiles = ' . var_export( $wgExtensionMessagesFiles, true ) . ";\n";

                $dirs = array(
                        $IP,
                        dirname( dirname( __FILE__ ) ),
                        realpath( $IP )
                );

                foreach ( $dirs as $dir ) {
                        $s = preg_replace(
                                "/'" . preg_quote( $dir, '/' ) . "([^']*)'/",
                                '"$IP\1"',
                                $s );
                }

                if ( isset( $mmfl['output'] ) ) {
                        file_put_contents( $mmfl['output'], $s );
                } else {
                        echo $s;
                }
        }
}

$maintClass = 'MergeMessageFileList';
require_once( RUN_MAINTENANCE_IF_MAIN );