297 lines
8.4 KiB
PHP
297 lines
8.4 KiB
PHP
<?php
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# Copyright (C) 2005-2007 Brion Vibber <brion@pobox.com>
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# http://www.mediawiki.org/
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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# http://www.gnu.org/copyleft/gpl.html
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/**
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* @file
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* @ingroup Maintenance
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*/
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$options = array( 'fix', 'suffix', 'help' );
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/** */
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require_once( 'commandLine.inc' );
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if(isset( $options['help'] ) ) {
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print <<<ENDS
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usage: namespaceDupes.php [--fix] [--suffix=<text>] [--help]
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--help : this help message
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--fix : attempt to automatically fix errors
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--suffix=<text> : dupes will be renamed with correct namespace with <text>
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appended after the article name.
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--prefix=<text> : Do an explicit check for the given title prefix
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in place of the standard namespace list.
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--verbose : Display output for checked namespaces without conflicts
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--wiki=<wiki> : enter the wiki database to edit
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ENDS;
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die;
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}
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class NamespaceConflictChecker {
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function NamespaceConflictChecker( $db, $verbose=false ) {
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$this->db = $db;
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$this->verbose = $verbose;
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}
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function checkAll( $fix, $suffix = '' ) {
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global $wgContLang, $wgNamespaceAliases, $wgCanonicalNamespaceNames;
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global $wgCapitalLinks;
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$spaces = array();
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// List interwikis first, so they'll be overridden
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// by any conflicting local namespaces.
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foreach( $this->getInterwikiList() as $prefix ) {
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$name = $wgContLang->ucfirst( $prefix );
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$spaces[$name] = 0;
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}
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// Now pull in all canonical and alias namespaces...
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foreach( $wgCanonicalNamespaceNames as $ns => $name ) {
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// This includes $wgExtraNamespaces
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if( $name !== '' ) {
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$spaces[$name] = $ns;
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}
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}
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foreach( $wgContLang->getNamespaces() as $ns => $name ) {
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if( $name !== '' ) {
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$spaces[$name] = $ns;
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}
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}
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foreach( $wgNamespaceAliases as $name => $ns ) {
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$spaces[$name] = $ns;
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}
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foreach( $wgContLang->namespaceAliases as $name => $ns ) {
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$spaces[$name] = $ns;
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}
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// We'll need to check for lowercase keys as well,
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// since we're doing case-sensitive searches in the db.
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foreach( $spaces as $name => $ns ) {
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$moreNames = array();
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$moreNames[] = $wgContLang->uc( $name );
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$moreNames[] = $wgContLang->ucfirst( $wgContLang->lc( $name ) );
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$moreNames[] = $wgContLang->ucwords( $name );
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$moreNames[] = $wgContLang->ucwords( $wgContLang->lc( $name ) );
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$moreNames[] = $wgContLang->ucwordbreaks( $name );
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$moreNames[] = $wgContLang->ucwordbreaks( $wgContLang->lc( $name ) );
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if( !$wgCapitalLinks ) {
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foreach( $moreNames as $altName ) {
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$moreNames[] = $wgContLang->lcfirst( $altName );
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}
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$moreNames[] = $wgContLang->lcfirst( $name );
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}
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foreach( array_unique( $moreNames ) as $altName ) {
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if( $altName !== $name ) {
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$spaces[$altName] = $ns;
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}
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}
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}
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ksort( $spaces );
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asort( $spaces );
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$ok = true;
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foreach( $spaces as $name => $ns ) {
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$ok = $this->checkNamespace( $ns, $name, $fix, $suffix ) && $ok;
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}
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return $ok;
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}
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private function getInterwikiList() {
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$result = $this->db->select( 'interwiki', array( 'iw_prefix' ) );
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$prefixes = array();
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while( $row = $this->db->fetchObject( $result ) ) {
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$prefixes[] = $row->iw_prefix;
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}
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$this->db->freeResult( $result );
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return $prefixes;
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}
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function checkNamespace( $ns, $name, $fix, $suffix = '' ) {
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if( $ns == 0 ) {
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$header = "Checking interwiki prefix: \"$name\"\n";
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} else {
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$header = "Checking namespace $ns: \"$name\"\n";
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}
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$conflicts = $this->getConflicts( $ns, $name );
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$count = count( $conflicts );
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if( $count == 0 ) {
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if( $this->verbose ) {
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echo $header;
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echo "... no conflicts detected!\n";
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}
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return true;
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}
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echo $header;
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echo "... $count conflicts detected:\n";
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$ok = true;
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foreach( $conflicts as $row ) {
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$resolvable = $this->reportConflict( $row, $suffix );
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$ok = $ok && $resolvable;
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if( $fix && ( $resolvable || $suffix != '' ) ) {
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$ok = $this->resolveConflict( $row, $resolvable, $suffix ) && $ok;
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}
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}
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return $ok;
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}
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/**
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* @todo: do this for reals
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*/
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function checkPrefix( $key, $prefix, $fix, $suffix = '' ) {
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echo "Checking prefix \"$prefix\" vs namespace $key\n";
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return $this->checkNamespace( $key, $prefix, $fix, $suffix );
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}
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function getConflicts( $ns, $name ) {
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$page = 'page';
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$table = $this->db->tableName( $page );
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$prefix = $this->db->strencode( $name );
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$likeprefix = str_replace( '_', '\\_', $prefix);
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$encNamespace = $this->db->addQuotes( $ns );
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$titleSql = "TRIM(LEADING '$prefix:' FROM {$page}_title)";
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if( $ns == 0 ) {
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// An interwiki; try an alternate encoding with '-' for ':'
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$titleSql = "CONCAT('$prefix-',$titleSql)";
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}
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$sql = "SELECT {$page}_id AS id,
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{$page}_title AS oldtitle,
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$encNamespace AS namespace,
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$titleSql AS title
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FROM {$table}
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WHERE {$page}_namespace=0
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AND {$page}_title LIKE '$likeprefix:%'";
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$result = $this->db->query( $sql, 'NamespaceConflictChecker::getConflicts' );
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$set = array();
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while( $row = $this->db->fetchObject( $result ) ) {
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$set[] = $row;
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}
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$this->db->freeResult( $result );
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return $set;
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}
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function reportConflict( $row, $suffix ) {
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$newTitle = Title::makeTitleSafe( $row->namespace, $row->title );
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if( is_null($newTitle) || !$newTitle->canExist() ) {
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// Title is also an illegal title...
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// For the moment we'll let these slide to cleanupTitles or whoever.
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printf( "... %d (0,\"%s\")\n",
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$row->id,
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$row->oldtitle );
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echo "... *** cannot resolve automatically; illegal title ***\n";
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return false;
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}
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printf( "... %d (0,\"%s\") -> (%d,\"%s\") [[%s]]\n",
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$row->id,
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$row->oldtitle,
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$newTitle->getNamespace(),
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$newTitle->getDBkey(),
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$newTitle->getPrefixedText() );
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$id = $newTitle->getArticleId();
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if( $id ) {
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echo "... *** cannot resolve automatically; page exists with ID $id ***\n";
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return false;
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} else {
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return true;
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}
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}
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function resolveConflict( $row, $resolvable, $suffix ) {
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if( !$resolvable ) {
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echo "... *** old title {$row->title}\n";
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while( true ) {
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$row->title .= $suffix;
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echo "... *** new title {$row->title}\n";
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$title = Title::makeTitleSafe( $row->namespace, $row->title );
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if ( ! $title ) {
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echo "... !!! invalid title\n";
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return false;
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}
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if ( $id = $title->getArticleId() ) {
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echo "... *** page exists with ID $id ***\n";
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} else {
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break;
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}
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}
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echo "... *** using suffixed form [[" . $title->getPrefixedText() . "]] ***\n";
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}
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$tables = array( 'page' );
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foreach( $tables as $table ) {
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$this->resolveConflictOn( $row, $table );
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}
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return true;
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}
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function resolveConflictOn( $row, $table ) {
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echo "... resolving on $table... ";
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$newTitle = Title::makeTitleSafe( $row->namespace, $row->title );
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$this->db->update( $table,
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array(
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"{$table}_namespace" => $newTitle->getNamespace(),
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"{$table}_title" => $newTitle->getDBkey(),
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),
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array(
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"{$table}_namespace" => 0,
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"{$table}_title" => $row->oldtitle,
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),
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__METHOD__ );
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echo "ok.\n";
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return true;
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}
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}
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$wgTitle = Title::newFromText( 'Namespace title conflict cleanup script' );
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$verbose = isset( $options['verbose'] );
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$fix = isset( $options['fix'] );
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$suffix = isset( $options['suffix'] ) ? $options['suffix'] : '';
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$prefix = isset( $options['prefix'] ) ? $options['prefix'] : '';
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$key = isset( $options['key'] ) ? intval( $options['key'] ) : 0;
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$dbw = wfGetDB( DB_MASTER );
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$duper = new NamespaceConflictChecker( $dbw, $verbose );
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if( $prefix ) {
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$retval = $duper->checkPrefix( $key, $prefix, $fix, $suffix );
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} else {
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$retval = $duper->checkAll( $fix, $suffix );
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}
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if( $retval ) {
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echo "\nLooks good!\n";
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exit( 0 );
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} else {
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echo "\nOh noeees\n";
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exit( -1 );
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}
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