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<?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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @author Brion Vibber <brion at pobox.com>
* @addtogroup maintenance
*/
$options = array( 'dry-run' );
require_once( 'commandLine.inc' );
require_once( 'FiveUpgrade.inc' );
class CapsCleanup extends FiveUpgrade {
function CapsCleanup( $dryrun = false, $namespace=0 ) {
parent::FiveUpgrade();
$this->maxLag = 10; # if slaves are lagged more than 10 secs, wait
$this->dryrun = $dryrun;
$this->namespace = intval( $namespace );
}
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=' . $this->namespace,
array( &$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 ) ) {
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 == $this->namespace ) {
$talk = $target->getTalkPage();
$row->page_namespace = $talk->getNamespace();
if( $talk->exists() ) {
return $this->processPage( $row );
}
}
} else {
$this->progress( 0 );
}
}
}
$wgUser->setName( 'Conversion script' );
$ns = isset( $options['namespace'] ) ? $options['namespace'] : 0;
$caps = new CapsCleanup( isset( $options['dry-run'] ), $ns );
$caps->cleanup();
?>
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