23524cd136
That is the normal way and is also valid to use in maintenance scripts. It helps to avoid issues with phan-taint-check Bug: T216348 Change-Id: I97256083759531c5d08d1720407b68505cb7a61b
122 lines
4.1 KiB
PHP
122 lines
4.1 KiB
PHP
<?php
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/**
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* Remove pages with only 1 revision from the MediaWiki namespace, without
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* flooding recent changes, delete logs, etc.
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* Irreversible (can't use standard undelete) and does not update link tables
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*
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* This is mainly useful to run before maintenance/update.php when upgrading
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* to 1.9, to prevent flooding recent changes/deletion logs. It's intended
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* to be conservative, so it's possible that a few entries will be left for
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* deletion by the upgrade script. It's also possible that it hasn't been
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* tested thouroughly enough, and will delete something it shouldn't; so
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* back up your DB if there's anything in the MediaWiki that is important to
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* you.
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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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* @author Steve Sanbeg
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* based on nukePage by Rob Church
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*/
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require_once __DIR__ . '/Maintenance.php';
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/**
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* Maintenance script that removes pages with only one revision from the
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* MediaWiki namespace.
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*
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* @ingroup Maintenance
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*/
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class NukeNS extends Maintenance {
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public function __construct() {
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parent::__construct();
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$this->addDescription( 'Remove pages with only 1 revision from any namespace' );
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$this->addOption( 'delete', "Actually delete the page" );
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$this->addOption( 'ns', 'Namespace to delete from, default NS_MEDIAWIKI', false, true );
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$this->addOption( 'all', 'Delete everything regardless of revision count' );
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}
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public function execute() {
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$ns = $this->getOption( 'ns', NS_MEDIAWIKI );
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$delete = $this->hasOption( 'delete' );
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$all = $this->hasOption( 'all' );
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$dbw = $this->getDB( DB_MASTER );
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$this->beginTransaction( $dbw, __METHOD__ );
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$res = $dbw->select( 'page', 'page_title', [ 'page_namespace' => $ns ], __METHOD__ );
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$n_deleted = 0;
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foreach ( $res as $row ) {
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// echo "$ns_name:".$row->page_title, "\n";
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$title = Title::makeTitle( $ns, $row->page_title );
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$id = $title->getArticleID();
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// Get corresponding revisions
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$revs = $dbw->selectFieldValues(
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'revision',
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'rev_id',
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[ 'rev_page' => $id ],
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__METHOD__
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);
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$count = count( $revs );
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// skip anything that looks modified (i.e. multiple revs)
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if ( $all || $count == 1 ) {
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# echo $title->getPrefixedText(), "\t", $count, "\n";
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$this->output( "delete: " . $title->getPrefixedText() . "\n" );
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// as much as I hate to cut & paste this, it's a little different, and
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// I already have the id & revs
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if ( $delete ) {
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$dbw->delete( 'page', [ 'page_id' => $id ], __METHOD__ );
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$this->commitTransaction( $dbw, __METHOD__ );
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// Delete revisions as appropriate
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/** @var NukePage $child */
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$child = $this->runChild( NukePage::class, 'nukePage.php' );
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'@phan-var NukePage $child';
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$child->deleteRevisions( $revs );
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$this->purgeRedundantText( true );
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$n_deleted++;
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}
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} else {
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$this->output( "skip: " . $title->getPrefixedText() . "\n" );
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}
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}
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$this->commitTransaction( $dbw, __METHOD__ );
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if ( $n_deleted > 0 ) {
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# update statistics - better to decrement existing count, or just count
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# the page table?
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$pages = $dbw->selectField( 'site_stats', 'ss_total_pages', [], __METHOD__ );
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$pages -= $n_deleted;
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$dbw->update(
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'site_stats',
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[ 'ss_total_pages' => $pages ],
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[ 'ss_row_id' => 1 ],
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__METHOD__
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);
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}
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if ( !$delete ) {
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$this->output( "To update the database, run the script with the --delete option.\n" );
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}
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}
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}
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$maintClass = NukeNS::class;
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require_once RUN_MAINTENANCE_IF_MAIN;
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