From ca32f08966f1b51fcb19460f0996bb0c4048e6fe Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Sat, 3 Dec 2011 13:29:22 +0100
Subject: Update to MediaWiki 1.18.0

* also update ArchLinux skin to chagnes in MonoBook
* Use only css to hide our menu bar when printing
---
 maintenance/fixDoubleRedirects.php | 120 +++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 maintenance/fixDoubleRedirects.php

(limited to 'maintenance/fixDoubleRedirects.php')

diff --git a/maintenance/fixDoubleRedirects.php b/maintenance/fixDoubleRedirects.php
new file mode 100644
index 00000000..c1d14dd8
--- /dev/null
+++ b/maintenance/fixDoubleRedirects.php
@@ -0,0 +1,120 @@
+<?php
+/**
+ * Script to fix double redirects.
+ *
+ * Copyright (C) 2011 Ilmari Karonen <nospam@vyznev.net>
+ * http://www.mediawiki.org/
+ *
+ * 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
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author Ilmari Karonen <nospam@vyznev.net>
+ * @ingroup Maintenance
+ */
+
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
+
+class FixDoubleRedirects extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->mDescription = "Script to fix double redirects";
+		$this->addOption( 'async', 'Don\'t fix anything directly, just queue the jobs' );
+		$this->addOption( 'title', 'Fix only redirects pointing to this page', false, true );
+		$this->addOption( 'dry-run', 'Perform a dry run, fix nothing' );		
+	}
+
+	public function execute() {
+		$async = $this->getOption( 'async', false );
+		$dryrun = $this->getOption( 'dry-run', false );
+		$title = $this->getOption( 'title' );
+
+		if ( isset( $title ) ) {
+			$title = Title::newFromText( $title );
+			if ( !$title || !$title->isRedirect() ) {
+				$this->error( $title->getPrefixedText() . " is not a redirect!\n", true );
+			}
+		}
+
+		$dbr = wfGetDB( DB_SLAVE );
+
+		$tables = array( 'redirect', 'pa' => 'page', 'pb' => 'page' );
+		$fields = array(
+			'pa.page_namespace AS pa_namespace',
+			'pa.page_title AS pa_title',
+			'pb.page_namespace AS pb_namespace',
+			'pb.page_title AS pb_title',
+		);
+		$conds = array(
+			'rd_from = pa.page_id',
+			'rd_namespace = pb.page_namespace',
+			'rd_title = pb.page_title',
+			'pb.page_is_redirect' => 1,
+		);
+
+		if ( isset( $title ) ) {
+			$conds['pb.page_namespace'] = $title->getNamespace();
+			$conds['pb.page_title'] = $title->getDBkey();
+		}
+		// TODO: support batch querying
+
+		$res = $dbr->select( $tables, $fields, $conds, __METHOD__ );
+
+		if ( !$res->numRows() ) {
+			$this->output( "No double redirects found.\n" );
+			return;
+		}
+
+		$jobs = array();
+		$n = 0;
+		foreach ( $res as $row ) {
+			$titleA = Title::makeTitle( $row->pa_namespace, $row->pa_title );
+			$titleB = Title::makeTitle( $row->pb_namespace, $row->pb_title );
+
+			$job = new DoubleRedirectJob( $titleA, array( 'reason' => 'maintenance', 'redirTitle' => $titleB->getPrefixedDBkey() ) );
+
+			if ( !$async ) {
+				$success = ( $dryrun ? true : $job->run() );
+				if ( !$success ) {
+					$this->error( "Error fixing " . $titleA->getPrefixedText() . ": " . $job->getLastError() . "\n" );
+				}
+			} else {
+				$jobs[] = $job;
+				// @todo FIXME: Hardcoded constant 10000 copied from DoubleRedirectJob class
+				if ( count( $jobs ) > 10000 ) {
+					$this->queueJobs( $jobs, $dryrun );
+					$jobs = array();
+				}
+			}
+
+			if ( ++$n % 100 == 0 ) {
+				$this->output( "$n...\n" );
+			}
+		}
+
+		if ( count( $jobs ) ) {
+			$this->queueJobs( $jobs, $dryrun );
+		}
+		$this->output( "$n double redirects processed.\n" );
+	}
+
+	protected function queueJobs( $jobs, $dryrun = false ) {
+		$this->output( "Queuing batch of " . count( $jobs ) . " double redirects.\n" );
+		Job::batchInsert( $dryrun ? array() : $jobs );
+	}
+}
+
+$maintClass = "FixDoubleRedirects";
+require_once( RUN_MAINTENANCE_IF_MAIN );
-- 
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