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<?php
/**
* Deletes all pages in the MediaWiki namespace which were last edited by
* "MediaWiki default".
*
* 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
* @ingroup Maintenance
*/
require_once __DIR__ . '/Maintenance.php';
/**
* Maintenance script that deletes all pages in the MediaWiki namespace
* which were last edited by "MediaWiki default".
*
* @ingroup Maintenance
*/
class DeleteDefaultMessages extends Maintenance {
public function __construct() {
parent::__construct();
$this->addDescription( 'Deletes all pages in the MediaWiki namespace' .
' which were last edited by "MediaWiki default"' );
$this->addOption( 'dry-run', 'Perform a dry run, delete nothing' );
}
public function execute() {
global $wgUser;
$this->output( "Checking existence of old default messages..." );
$dbr = $this->getDB( DB_REPLICA );
$actorQuery = ActorMigration::newMigration()
->getWhere( $dbr, 'rev_user', User::newFromName( 'MediaWiki default' ) );
$res = $dbr->select(
[ 'page', 'revision' ] + $actorQuery['tables'],
[ 'page_namespace', 'page_title' ],
[
'page_namespace' => NS_MEDIAWIKI,
$actorQuery['conds'],
],
__METHOD__,
[],
[ 'revision' => [ 'JOIN', 'page_latest=rev_id' ] ] + $actorQuery['joins']
);
if ( $dbr->numRows( $res ) == 0 ) {
// No more messages left
$this->output( "done.\n" );
return;
}
$dryrun = $this->hasOption( 'dry-run' );
if ( $dryrun ) {
foreach ( $res as $row ) {
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
$this->output( "\n* [[$title]]" );
}
$this->output( "\n\nRun again without --dry-run to delete these pages.\n" );
return;
}
// Deletions will be made by $user temporarly added to the bot group
// in order to hide it in RecentChanges.
$user = User::newSystemUser( 'MediaWiki default', [ 'steal' => true ] );
if ( !$user ) {
$this->fatalError( "Invalid username" );
}
$user->addGroup( 'bot' );
$wgUser = $user;
// Handle deletion
$this->output( "\n...deleting old default messages (this may take a long time!)...", 'msg' );
$dbw = $this->getDB( DB_MASTER );
foreach ( $res as $row ) {
wfWaitForSlaves();
$dbw->ping();
$title = Title::makeTitle( $row->page_namespace, $row->page_title );
$page = WikiPage::factory( $title );
$error = ''; // Passed by ref
// FIXME: Deletion failures should be reported, not silently ignored.
$page->doDeleteArticle( 'No longer required', false, 0, true, $error, $user );
}
$this->output( "done!\n", 'msg' );
}
}
$maintClass = DeleteDefaultMessages::class;
require_once RUN_MAINTENANCE_IF_MAIN;
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