anchor.diff:  
   $wgWBClientSettings['entitySources'] = [
           'local' => [
  -                'repoDatabase' => 'repo',
  +                'repoDatabase' => $wgDBname,
                   'baseUri' => $wgWBClientSettings['repoUrl'] . '/entity',
                   'entityNamespaces' => [
                           'item' => WB_REPO_NS_ITEM,
  
positive.code: <?php
  # DO NOT EDIT - This file is being maintained by Chef
  
  $wgEnableWikibaseRepo = true;
  $wgEnableWikibaseClient = true;
  
negative.code:     $wgExtraNamespaces[WB_NS_PROPERTY] = 'Property';
      $wgExtraNamespaces[WB_NS_PROPERTY_TALK] = 'Property_talk';
  
      $wgWBRepoSettings['entitySources'] = function ( SettingsArray $settings ) {
          global $wgServer;
  
          $entityNamespaces = [
              'item' => WB_NS_ITEM,
              'property' => WB_NS_PROPERTY,
          ];
  
          $hookContainer = MediaWikiServices::getInstance()->getHookContainer();
          $hookContainer->run( 'WikibaseRepoEntityNamespaces', [ &$entityNamespaces ] );
  
          return [
               $settings->getSetting( 'localEntitySourceName' ) => [
                                      'entityNamespaces' => $entityNamespaces,
                                      'repoDatabase' => false,
                                      'baseUri' => $wgServer . '/entity/',
                                      'rdfNodeNamespacePrefix' => 'wd',
                                      'rdfPredicateNamespacePrefix' => '',
                                      'interwikiPrefix' => '',
               ],
          ];
      };
  
      // Make sure we use the same keys on repo and clients, so we can share cached objects.
      $wgWBRepoSettings['sharedCacheKeyPrefix'] = $wgDBname . ':WBL';
      $wgWBRepoSettings['sharedCacheKeyGroup'] = $wgDBname;
  
      // Include Wikibase items in the regular search result by default
      $wgNamespacesToBeSearchedDefault[WB_NS_ITEM] = true;
  