Merge "registration: Remove unused variable"

[lhc/web/wiklou.git] / includes / registration / ExtensionRegistry.php

diff --git a/includes/registration/ExtensionRegistry.php b/includes/registration/ExtensionRegistry.php
index df9227a..e46c753 100644 (file)
--- a/includes/registration/ExtensionRegistry.php
+++ b/includes/registration/ExtensionRegistry.php
@@ -11,6 +11,16 @@
  */
 class ExtensionRegistry {
 
+       /**
+        * Version of the highest supported manifest version
+        */
+       const MANIFEST_VERSION = 1;
+
+       /**
+        * Version of the oldest supported manifest version
+        */
+       const OLDEST_MANIFEST_VERSION = 1;
+
        /**
         * @var BagOStuff
         */
@@ -127,11 +137,19 @@ class ExtensionRegistry {
                        if ( !is_array( $info ) ) {
                                throw new Exception( "$path is not a valid JSON file." );
                        }
+                       if ( !isset( $info['manifest_version' ] ) ) {
+                               // For backwards-compatability, assume a version of 1
+                               $info['manifest_version'] = 1;
+                       }
+                       $version = $info['manifest_version'];
+                       if ( $version < self::OLDEST_MANIFEST_VERSION || $version > self::MANIFEST_VERSION ) {
+                               throw new Exception( "$path: unsupported manifest_version: {$version}" );
+                       }
                        $autoload = $this->processAutoLoader( dirname( $path ), $info );
                        // Set up the autoloader now so custom processors will work
                        $GLOBALS['wgAutoloadClasses'] += $autoload;
                        $autoloadClasses += $autoload;
-                       $processor->extractInfo( $path, $info );
+                       $processor->extractInfo( $path, $info, $version );
                }
                $data = $processor->getExtractedInfo();
                // Need to set this so we can += to it later