Remove unused globals

[lhc/web/wiklou.git] / maintenance / refreshLinks.php

diff --git a/maintenance/refreshLinks.php b/maintenance/refreshLinks.php
index 45e77a7..420f555 100644 (file)
--- a/maintenance/refreshLinks.php
+++ b/maintenance/refreshLinks.php
@@ -1,5 +1,7 @@
 <?php
 /**
+ * Refresh link tables.
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
@@ -58,19 +60,17 @@ class RefreshLinks extends Maintenance {
         */
        private function doRefreshLinks( $start, $newOnly = false, $maxLag = false,
                                                $end = 0, $redirectsOnly = false, $oldRedirectsOnly = false ) {
-               global $wgUser, $wgParser, $wgUseTidy;
+               global $wgParser, $wgUseTidy;
 
                $reportingInterval = 100;
                $dbr = wfGetDB( DB_SLAVE );
                $start = intval( $start );
 
-               # Don't generate TeX PNGs (lack of a sensible current directory causes errors anyway)
-               $wgUser->setOption( 'math', MW_MATH_SOURCE );
+               // Give extensions a chance to optimize settings
+               wfRunHooks( 'MaintenanceRefreshLinksInit', array( $this ) );
 
                # Don't generate extension images (e.g. Timeline)
-               if ( method_exists( $wgParser, "clearTagHooks" ) ) {
-                       $wgParser->clearTagHooks();
-               }
+               $wgParser->clearTagHooks();
 
                # Don't use HTML tidy
                $wgUseTidy = false;
@@ -79,18 +79,31 @@ class RefreshLinks extends Maintenance {
 
                if ( $oldRedirectsOnly ) {
                        # This entire code path is cut-and-pasted from below.  Hurrah.
-                       $res = $dbr->query(
-                               "SELECT page_id " .
-                               "FROM page " .
-                               "LEFT JOIN redirect ON page_id=rd_from " .
-                               "WHERE page_is_redirect=1 AND rd_from IS NULL AND " .
-                               ( $end == 0 ? "page_id >= $start"
-                                                  : "page_id BETWEEN $start AND $end" ),
-                               __METHOD__
+
+                       $conds = array(
+                               "page_is_redirect=1",
+                               "rd_from IS NULL"
+                       );
+
+                       if ( $end == 0 ) {
+                               $conds[] = "page_id >= $start";
+                       } else {
+                               $conds[] = "page_id BETWEEN $start AND $end";
+                       }
+
+                       $res = $dbr->select(
+                               array( 'page', 'redirect' ),
+                               'page_id',
+                               $conds,
+                               __METHOD__,
+                               array(),
+                               array( 'redirect' => array( "LEFT JOIN", "page_id=rd_from" ) )
                        );
                        $num = $dbr->numRows( $res );
                        $this->output( "Refreshing $num old redirects from $start...\n" );
 
+                       $i = 0;
+
                        foreach ( $res as $row ) {
                                if ( !( ++$i % $reportingInterval ) ) {
                                        $this->output( "$i\n" );
@@ -116,10 +129,11 @@ class RefreshLinks extends Maintenance {
                                        $this->output( "$i\n" );
                                        wfWaitForSlaves( $maxLag );
                                }
-                               if ( $redirectsOnly )
+                               if ( $redirectsOnly ) {
                                        $this->fixRedirect( $row->page_id );
-                               else
+                               } else {
                                        self::fixLinksFromArticle( $row->page_id );
+                               }
                        }
                } else {
                        if ( !$end ) {
@@ -160,29 +174,27 @@ class RefreshLinks extends Maintenance {
         * @param $id int The page_id of the redirect
         */
        private function fixRedirect( $id ) {
-               global $wgTitle, $wgArticle;
-
-               $wgTitle = Title::newFromID( $id );
+               $title = Title::newFromID( $id );
                $dbw = wfGetDB( DB_MASTER );
 
-               if ( is_null( $wgTitle ) ) {
+               if ( is_null( $title ) ) {
                        // This page doesn't exist (any more)
                        // Delete any redirect table entry for it
                        $dbw->delete( 'redirect', array( 'rd_from' => $id ),
                                __METHOD__ );
                        return;
                }
-               $wgArticle = new Article( $wgTitle );
+               $article = new Article( $title );
 
-               $rt = $wgArticle->followRedirect();
+               $rt = $article->followRedirect();
 
                if ( !$rt || !is_object( $rt ) ) {
-                       // $wgTitle is not a redirect
+                       // $title is not a redirect
                        // Delete any redirect table entry for it
                        $dbw->delete( 'redirect', array( 'rd_from' => $id ),
                                __METHOD__ );
                } else {
-                       $wgArticle->updateRedirectOn( $dbw, $rt );
+                       $article->updateRedirectOn( $dbw, $rt );
                }
        }
 
@@ -191,26 +203,26 @@ class RefreshLinks extends Maintenance {
         * @param $id int The page_id
         */
        public static function fixLinksFromArticle( $id ) {
-               global $wgTitle, $wgParser;
+               global $wgParser;
 
-               $wgTitle = Title::newFromID( $id );
+               $title = Title::newFromID( $id );
                $dbw = wfGetDB( DB_MASTER );
 
                LinkCache::singleton()->clear();
 
-               if ( is_null( $wgTitle ) ) {
+               if ( is_null( $title ) ) {
                        return;
                }
                $dbw->begin();
 
-               $revision = Revision::newFromTitle( $wgTitle );
+               $revision = Revision::newFromTitle( $title );
                if ( !$revision ) {
                        return;
                }
 
                $options = new ParserOptions;
-               $parserOutput = $wgParser->parse( $revision->getText(), $wgTitle, $options, true, true, $revision->getId() );
-               $update = new LinksUpdate( $wgTitle, $parserOutput, false );
+               $parserOutput = $wgParser->parse( $revision->getText(), $title, $options, true, true, $revision->getId() );
+               $update = new LinksUpdate( $title, $parserOutput, false );
                $update->doUpdate();
                $dbw->commit();
        }
@@ -279,4 +291,4 @@ class RefreshLinks extends Maintenance {
 }
 
 $maintClass = 'RefreshLinks';
-require_once( DO_MAINTENANCE );
+require_once( RUN_MAINTENANCE_IF_MAIN );