mirror of
https://github.com/YunoHost-Apps/mediawiki_ynh.git
synced 2024-09-03 19:46:05 +02:00
242 lines
7.3 KiB
PHP
242 lines
7.3 KiB
PHP
<?php
|
|
/**
|
|
* Look for 'orphan' revisions hooked to pages which don't exist and
|
|
* 'childless' pages with no revisions.
|
|
* Then, kill the poor widows and orphans.
|
|
* Man this is depressing.
|
|
*
|
|
* Copyright © 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
|
|
*
|
|
* @file
|
|
* @author <brion@pobox.com>
|
|
* @ingroup Maintenance
|
|
*/
|
|
|
|
require_once __DIR__ . '/Maintenance.php';
|
|
|
|
/**
|
|
* Maintenance script that looks for 'orphan' revisions hooked to pages which
|
|
* don't exist and 'childless' pages with no revisions.
|
|
*
|
|
* @ingroup Maintenance
|
|
*/
|
|
class Orphans extends Maintenance {
|
|
public function __construct() {
|
|
parent::__construct();
|
|
$this->mDescription = "Look for 'orphan' revisions hooked to pages which don't exist\n" .
|
|
"and 'childless' pages with no revisions\n" .
|
|
"Then, kill the poor widows and orphans\n" .
|
|
"Man this is depressing";
|
|
$this->addOption( 'fix', 'Actually fix broken entries' );
|
|
}
|
|
|
|
public function execute() {
|
|
global $wgTitle;
|
|
$wgTitle = Title::newFromText( 'Orphan revision cleanup script' );
|
|
$this->checkOrphans( $this->hasOption( 'fix' ) );
|
|
$this->checkSeparation( $this->hasOption( 'fix' ) );
|
|
# Does not work yet, do not use
|
|
# $this->checkWidows( $this->hasOption( 'fix' ) );
|
|
}
|
|
|
|
/**
|
|
* Lock the appropriate tables for the script
|
|
* @param $db DatabaseBase object
|
|
* @param $extraTable String The name of any extra tables to lock (eg: text)
|
|
*/
|
|
private function lockTables( $db, $extraTable = array() ) {
|
|
$tbls = array( 'page', 'revision', 'redirect' );
|
|
if ( $extraTable ) {
|
|
$tbls = array_merge( $tbls, $extraTable );
|
|
}
|
|
$db->lockTables( array(), $tbls, __METHOD__, false );
|
|
}
|
|
|
|
/**
|
|
* Check for orphan revisions
|
|
* @param $fix bool Whether to fix broken revisions when found
|
|
*/
|
|
private function checkOrphans( $fix ) {
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$page = $dbw->tableName( 'page' );
|
|
$revision = $dbw->tableName( 'revision' );
|
|
|
|
if ( $fix ) {
|
|
$this->lockTables( $dbw );
|
|
}
|
|
|
|
$this->output( "Checking for orphan revision table entries... (this may take a while on a large wiki)\n" );
|
|
$result = $dbw->query( "
|
|
SELECT *
|
|
FROM $revision LEFT OUTER JOIN $page ON rev_page=page_id
|
|
WHERE page_id IS NULL
|
|
" );
|
|
$orphans = $result->numRows();
|
|
if ( $orphans > 0 ) {
|
|
global $wgContLang;
|
|
$this->output( "$orphans orphan revisions...\n" );
|
|
$this->output( sprintf( "%10s %10s %14s %20s %s\n", 'rev_id', 'rev_page', 'rev_timestamp', 'rev_user_text', 'rev_comment' ) );
|
|
foreach ( $result as $row ) {
|
|
$comment = ( $row->rev_comment == '' )
|
|
? ''
|
|
: '(' . $wgContLang->truncate( $row->rev_comment, 40 ) . ')';
|
|
$this->output( sprintf( "%10d %10d %14s %20s %s\n",
|
|
$row->rev_id,
|
|
$row->rev_page,
|
|
$row->rev_timestamp,
|
|
$wgContLang->truncate( $row->rev_user_text, 17 ),
|
|
$comment ) );
|
|
if ( $fix ) {
|
|
$dbw->delete( 'revision', array( 'rev_id' => $row->rev_id ) );
|
|
}
|
|
}
|
|
if ( !$fix ) {
|
|
$this->output( "Run again with --fix to remove these entries automatically.\n" );
|
|
}
|
|
} else {
|
|
$this->output( "No orphans! Yay!\n" );
|
|
}
|
|
|
|
if ( $fix ) {
|
|
$dbw->unlockTables( __METHOD__ );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param $fix bool
|
|
* @todo DON'T USE THIS YET! It will remove entries which have children,
|
|
* but which aren't properly attached (eg if page_latest is bogus
|
|
* but valid revisions do exist)
|
|
*/
|
|
private function checkWidows( $fix ) {
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$page = $dbw->tableName( 'page' );
|
|
$revision = $dbw->tableName( 'revision' );
|
|
|
|
if ( $fix ) {
|
|
$this->lockTables( $dbw );
|
|
}
|
|
|
|
$this->output( "\nChecking for childless page table entries... (this may take a while on a large wiki)\n" );
|
|
$result = $dbw->query( "
|
|
SELECT *
|
|
FROM $page LEFT OUTER JOIN $revision ON page_latest=rev_id
|
|
WHERE rev_id IS NULL
|
|
" );
|
|
$widows = $result->numRows();
|
|
if ( $widows > 0 ) {
|
|
$this->output( "$widows childless pages...\n" );
|
|
$this->output( sprintf( "%10s %11s %2s %s\n", 'page_id', 'page_latest', 'ns', 'page_title' ) );
|
|
foreach ( $result as $row ) {
|
|
printf( "%10d %11d %2d %s\n",
|
|
$row->page_id,
|
|
$row->page_latest,
|
|
$row->page_namespace,
|
|
$row->page_title );
|
|
if ( $fix ) {
|
|
$dbw->delete( 'page', array( 'page_id' => $row->page_id ) );
|
|
}
|
|
}
|
|
if ( !$fix ) {
|
|
$this->output( "Run again with --fix to remove these entries automatically.\n" );
|
|
}
|
|
} else {
|
|
$this->output( "No childless pages! Yay!\n" );
|
|
}
|
|
|
|
if ( $fix ) {
|
|
$dbw->unlockTables( __METHOD__ );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check for pages where page_latest is wrong
|
|
* @param $fix bool Whether to fix broken entries
|
|
*/
|
|
private function checkSeparation( $fix ) {
|
|
$dbw = wfGetDB( DB_MASTER );
|
|
$page = $dbw->tableName( 'page' );
|
|
$revision = $dbw->tableName( 'revision' );
|
|
|
|
if ( $fix ) {
|
|
$this->lockTables( $dbw, array( 'user', 'text' ) );
|
|
}
|
|
|
|
$this->output( "\nChecking for pages whose page_latest links are incorrect... (this may take a while on a large wiki)\n" );
|
|
$result = $dbw->query( "
|
|
SELECT *
|
|
FROM $page LEFT OUTER JOIN $revision ON page_latest=rev_id
|
|
" );
|
|
$found = 0;
|
|
foreach ( $result as $row ) {
|
|
$result2 = $dbw->query( "
|
|
SELECT MAX(rev_timestamp) as max_timestamp
|
|
FROM $revision
|
|
WHERE rev_page=$row->page_id
|
|
" );
|
|
$row2 = $dbw->fetchObject( $result2 );
|
|
if ( $row2 ) {
|
|
if ( $row->rev_timestamp != $row2->max_timestamp ) {
|
|
if ( $found == 0 ) {
|
|
$this->output( sprintf( "%10s %10s %14s %14s\n",
|
|
'page_id', 'rev_id', 'timestamp', 'max timestamp' ) );
|
|
}
|
|
++$found;
|
|
$this->output( sprintf( "%10d %10d %14s %14s\n",
|
|
$row->page_id,
|
|
$row->page_latest,
|
|
$row->rev_timestamp,
|
|
$row2->max_timestamp ) );
|
|
if ( $fix ) {
|
|
# ...
|
|
$maxId = $dbw->selectField(
|
|
'revision',
|
|
'rev_id',
|
|
array(
|
|
'rev_page' => $row->page_id,
|
|
'rev_timestamp' => $row2->max_timestamp ) );
|
|
$this->output( "... updating to revision $maxId\n" );
|
|
$maxRev = Revision::newFromId( $maxId );
|
|
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
|
|
$article = WikiPage::factory( $title );
|
|
$article->updateRevisionOn( $dbw, $maxRev );
|
|
}
|
|
}
|
|
} else {
|
|
$this->output( "wtf\n" );
|
|
}
|
|
}
|
|
|
|
if ( $found ) {
|
|
$this->output( "Found $found pages with incorrect latest revision.\n" );
|
|
} else {
|
|
$this->output( "No pages with incorrect latest revision. Yay!\n" );
|
|
}
|
|
if ( !$fix && $found > 0 ) {
|
|
$this->output( "Run again with --fix to remove these entries automatically.\n" );
|
|
}
|
|
|
|
if ( $fix ) {
|
|
$dbw->unlockTables( __METHOD__ );
|
|
}
|
|
}
|
|
}
|
|
|
|
$maintClass = "Orphans";
|
|
require_once RUN_MAINTENANCE_IF_MAIN;
|