242df680ce
It's unreasonable to expect newbies to know that "bug 12345" means "Task T14345" except where it doesn't, so let's just standardise on the real numbers. This includes renaming fixBug20757.php to fixT22757.php for similar consistency. Change-Id: If81a590d658fbd82c20c54ac47dfdc8856745ca3
140 lines
4 KiB
PHP
140 lines
4 KiB
PHP
<?php
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/**
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* Fix double redirects.
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*
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* Copyright © 2011 Ilmari Karonen <nospam@vyznev.net>
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* https://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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* @author Ilmari Karonen <nospam@vyznev.net>
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* @ingroup Maintenance
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script that fixes double redirects.
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*
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* @ingroup Maintenance
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*/
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class FixDoubleRedirects extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Script to fix double redirects' );
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$this->addOption( 'async', 'Don\'t fix anything directly, just queue the jobs' );
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$this->addOption( 'title', 'Fix only redirects pointing to this page', false, true );
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$this->addOption( 'dry-run', 'Perform a dry run, fix nothing' );
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}
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public function execute() {
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$async = $this->getOption( 'async', false );
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$dryrun = $this->getOption( 'dry-run', false );
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if ( $this->hasOption( 'title' ) ) {
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$title = Title::newFromText( $this->getOption( 'title' ) );
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if ( !$title || !$title->isRedirect() ) {
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$this->error( $title->getPrefixedText() . " is not a redirect!\n", true );
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}
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} else {
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$title = null;
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}
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$dbr = $this->getDB( DB_REPLICA );
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// See also SpecialDoubleRedirects
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$tables = [
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'redirect',
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'pa' => 'page',
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'pb' => 'page',
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];
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$fields = [
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'pa.page_namespace AS pa_namespace',
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'pa.page_title AS pa_title',
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'pb.page_namespace AS pb_namespace',
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'pb.page_title AS pb_title',
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];
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$conds = [
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'rd_from = pa.page_id',
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'rd_namespace = pb.page_namespace',
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'rd_title = pb.page_title',
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'rd_interwiki IS NULL OR rd_interwiki = ' . $dbr->addQuotes( '' ), // T42352
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'pb.page_is_redirect' => 1,
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];
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if ( $title != null ) {
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$conds['pb.page_namespace'] = $title->getNamespace();
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$conds['pb.page_title'] = $title->getDBkey();
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}
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// TODO: support batch querying
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$res = $dbr->select( $tables, $fields, $conds, __METHOD__ );
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if ( !$res->numRows() ) {
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$this->output( "No double redirects found.\n" );
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return;
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}
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$jobs = [];
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$processedTitles = "\n";
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$n = 0;
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foreach ( $res as $row ) {
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$titleA = Title::makeTitle( $row->pa_namespace, $row->pa_title );
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$titleB = Title::makeTitle( $row->pb_namespace, $row->pb_title );
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$processedTitles .= "* [[$titleA]]\n";
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$job = new DoubleRedirectJob( $titleA, [
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'reason' => 'maintenance',
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'redirTitle' => $titleB->getPrefixedDBkey()
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] );
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if ( !$async ) {
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$success = ( $dryrun ? true : $job->run() );
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if ( !$success ) {
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$this->error( "Error fixing " . $titleA->getPrefixedText()
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. ": " . $job->getLastError() . "\n" );
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}
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} else {
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$jobs[] = $job;
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// @todo FIXME: Hardcoded constant 10000 copied from DoubleRedirectJob class
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if ( count( $jobs ) > 10000 ) {
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$this->queueJobs( $jobs, $dryrun );
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$jobs = [];
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}
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}
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if ( ++$n % 100 == 0 ) {
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$this->output( "$n...\n" );
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}
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}
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if ( count( $jobs ) ) {
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$this->queueJobs( $jobs, $dryrun );
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}
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$this->output( "$n double redirects processed" . $processedTitles . "\n" );
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}
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protected function queueJobs( $jobs, $dryrun = false ) {
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$this->output( "Queuing batch of " . count( $jobs ) . " double redirects.\n" );
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JobQueueGroup::singleton()->push( $dryrun ? [] : $jobs );
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}
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}
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$maintClass = "FixDoubleRedirects";
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require_once RUN_MAINTENANCE_IF_MAIN;
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