From e6101b6d72a02fc550f1655215d0518219b759d8 Mon Sep 17 00:00:00 2001
From: Brion Vibber <brion@users.mediawiki.org>
Date: Thu, 30 Jun 2005 00:37:56 +0000
Subject: [PATCH] first draft of caps-cleanup script renames all capital
 namespace-0 pages and their talk pages to lowercase if there's not a conflict

---
 maintenance/cleanupCaps.php | 156 ++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100644 maintenance/cleanupCaps.php

diff --git a/maintenance/cleanupCaps.php b/maintenance/cleanupCaps.php
new file mode 100644
index 0000000000..7d59c8b055
--- /dev/null
+++ b/maintenance/cleanupCaps.php
@@ -0,0 +1,156 @@
+<?php
+/*
+ * Script to clean up broken page links when somebody turns on $wgCapitalLinks.
+ *
+ * Usage: php cleanupCaps.php [--dry-run]
+ * Options:
+ *   --dry-run  don't actually try moving them
+ * 
+ * Copyright (C) 2005 Brion Vibber <brion@pobox.com>
+ * http://www.mediawiki.org/
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or 
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @author Brion Vibber <brion at pobox.com>
+ * @package MediaWiki
+ * @subpackage maintenance
+ */
+
+$options = array( 'dry-run' );
+
+require_once( 'commandLine.inc' );
+require_once( 'FiveUpgrade.inc' );
+
+class CapsCleanup extends FiveUpgrade {
+	function CapsCleanup( $dryrun = false ) {
+		parent::FiveUpgrade();
+		
+		$this->maxLag = 10; # if slaves are lagged more than 10 secs, wait
+		$this->dryrun = $dryrun;
+	}
+	
+	function cleanup() {
+		global $wgCapitalLinks;
+		if( $wgCapitalLinks ) {
+			echo "\$wgCapitalLinks is on -- no need for caps links cleanup.\n";
+			return false;
+		}
+		
+		$this->runTable( 'page', 'WHERE page_namespace=0',
+			array( &$this, 'processPage' ) );
+	}
+	
+	function init( $count, $table ) {
+		$this->processed = 0;
+		$this->updated = 0;
+		$this->count = $count;
+		$this->startTime = wfTime();
+		$this->table = $table;
+	}
+	
+	function progress( $updated ) {
+		$this->updated += $updated;
+		$this->processed++;
+		if( $this->processed % 100 != 0 ) {
+			return;
+		}
+		$portion = $this->processed / $this->count;
+		$updateRate = $this->updated / $this->processed;
+		
+		$now = wfTime();
+		$delta = $now - $this->startTime;
+		$estimatedTotalTime = $delta / $portion;
+		$eta = $this->startTime + $estimatedTotalTime;
+		
+		printf( "%s: %6.2f%% done on %s; ETA %s [%d/%d] %.2f/sec <%.2f%% updated>\n",
+			wfTimestamp( TS_DB, intval( $now ) ),
+			$portion * 100.0,
+			$this->table,
+			wfTimestamp( TS_DB, intval( $eta ) ),
+			$this->processed,
+			$this->count,
+			$this->processed / $delta,
+			$updateRate * 100.0 );
+		flush();
+	}
+	
+	function runTable( $table, $where, $callback ) {
+		$fname = 'CapsCleanup::buildTable';
+		
+		$count = $this->dbw->selectField( $table, 'count(*)', '', $fname );
+		$this->init( $count, 'page' );
+		$this->log( "Processing $table..." );
+		
+		$tableName = $this->dbr->tableName( $table );
+		$sql = "SELECT * FROM $tableName $where";
+		$result = $this->dbr->query( $sql, $fname );
+		
+		while( $row = $this->dbr->fetchObject( $result ) ) {
+			$updated = call_user_func( $callback, $row );
+		}
+		$this->log( "Finished $table... $this->updated of $this->processed rows updated" );
+		$this->dbr->freeResult( $result );
+	}
+	
+	function processPage( $row ) {
+		global $wgContLang;
+		
+		$current = Title::makeTitle( $row->page_namespace, $row->page_title );
+		$display = $current->getPrefixedText();
+		$upper = $row->page_title;
+		$lower = $wgContLang->lcfirst( $row->page_title );
+		if( $upper == $lower ) {
+			$this->log( "\"$display\" already lowercase." );
+			return $this->progress( 0 );
+		}
+		
+		$target = Title::makeTitle( $row->page_namespace, $lower );
+		$targetDisplay = $target->getPrefixedText();
+		if( $target->exists() ) {
+			$this->log( "\"$display\" skipped; \"$targetDisplay\" already exists" );
+			return $this->progress( 0 );
+		}
+		
+		if( $this->dryrun ) {
+			$this->log( "\"$display\" -> \"$targetDisplay\": DRY RUN, NOT MOVED" );
+			$ok = true;
+		} else {
+			$ok = $current->moveTo( $target, false, 'Converting page titles to lowercase' );
+			$this->log( "\"$display\" -> \"$targetDisplay\": $ok" );
+		}
+		if( $ok === true ) {
+			$this->progress( 1 );
+			
+			if( $row->page_namespace == NS_MAIN ) {
+				$talk = Title::makeTitle( NS_TALK, $row->page_title );
+				$xrow = $row;
+				$row->page_namespace = NS_TALK;
+				if( $talk->exists() ) {
+					return $this->processPage( $row );
+				}
+			}
+		} else {
+			$this->progress( 0 );
+		}
+	}
+
+}
+
+$wgUser->setName( 'Conversion script' );
+$caps = new CapsCleanup( isset( $options['dry-run'] ) );
+$caps->cleanup();
+
+?>
-- 
2.20.1