--- /dev/null
+<?php
+/**
+ * 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
+ * of which the content is equal to the system default.
+ *
+ * @ingroup Maintenance
+ */
+class DeleteEqualMessages extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->addDescription( 'Deletes all pages in the MediaWiki namespace that are equal to '
+ . 'the default message' );
+ $this->addOption( 'delete', 'Actually delete the pages (default: dry run)' );
+ $this->addOption( 'delete-talk', 'Don\'t leave orphaned talk pages behind during deletion' );
+ $this->addOption( 'lang-code', 'Check for subpages of this language code (default: root '
+ . 'page against content language). Use value "*" to run for all mwfile language code '
+ . 'subpages (including the base pages that override content language).', false, true );
+ }
+
+ /**
+ * @param string|bool $langCode See --lang-code option.
+ * @param array &$messageInfo
+ */
+ protected function fetchMessageInfo( $langCode, array &$messageInfo ) {
+ global $wgContLang;
+
+ if ( $langCode ) {
+ $this->output( "\n... fetching message info for language: $langCode" );
+ $nonContLang = true;
+ } else {
+ $this->output( "\n... fetching message info for content language" );
+ $langCode = $wgContLang->getCode();
+ $nonContLang = false;
+ }
+
+ /* Based on SpecialAllmessages::reallyDoQuery #filter=modified */
+
+ $l10nCache = Language::getLocalisationCache();
+ $messageNames = $l10nCache->getSubitemList( 'en', 'messages' );
+ // Normalise message names for NS_MEDIAWIKI page_title
+ $messageNames = array_map( [ $wgContLang, 'ucfirst' ], $messageNames );
+
+ $statuses = AllMessagesTablePager::getCustomisedStatuses(
+ $messageNames, $langCode, $nonContLang );
+ // getCustomisedStatuses is stripping the sub page from the page titles, add it back
+ $titleSuffix = $nonContLang ? "/$langCode" : '';
+
+ foreach ( $messageNames as $key ) {
+ $customised = isset( $statuses['pages'][$key] );
+ if ( $customised ) {
+ $actual = wfMessage( $key )->inLanguage( $langCode )->plain();
+ $default = wfMessage( $key )->inLanguage( $langCode )->useDatabase( false )->plain();
+
+ $messageInfo['relevantPages']++;
+
+ if (
+ // Exclude messages that are empty by default, such as sitenotice, specialpage
+ // summaries and accesskeys.
+ $default !== '' && $default !== '-' &&
+ $actual === $default
+ ) {
+ $hasTalk = isset( $statuses['talks'][$key] );
+ $messageInfo['results'][] = [
+ 'title' => $key . $titleSuffix,
+ 'hasTalk' => $hasTalk,
+ ];
+ $messageInfo['equalPages']++;
+ if ( $hasTalk ) {
+ $messageInfo['equalPagesTalks']++;
+ }
+ }
+ }
+ }
+ }
+
+ public function execute() {
+ $doDelete = $this->hasOption( 'delete' );
+ $doDeleteTalk = $this->hasOption( 'delete-talk' );
+ $langCode = $this->getOption( 'lang-code' );
+
+ $messageInfo = [
+ 'relevantPages' => 0,
+ 'equalPages' => 0,
+ 'equalPagesTalks' => 0,
+ 'results' => [],
+ ];
+
+ $this->output( 'Checking for pages with default message...' );
+
+ // Load message information
+ if ( $langCode ) {
+ $langCodes = Language::fetchLanguageNames( null, 'mwfile' );
+ if ( $langCode === '*' ) {
+ // All valid lang-code subpages in NS_MEDIAWIKI that
+ // override the messsages in that language
+ foreach ( $langCodes as $key => $value ) {
+ $this->fetchMessageInfo( $key, $messageInfo );
+ }
+ // Lastly, the base pages in NS_MEDIAWIKI that override
+ // messages in content language
+ $this->fetchMessageInfo( false, $messageInfo );
+ } else {
+ if ( !isset( $langCodes[$langCode] ) ) {
+ $this->error( 'Invalid language code: ' . $langCode, 1 );
+ }
+ $this->fetchMessageInfo( $langCode, $messageInfo );
+ }
+ } else {
+ $this->fetchMessageInfo( false, $messageInfo );
+ }
+
+ if ( $messageInfo['equalPages'] === 0 ) {
+ // No more equal messages left
+ $this->output( "\ndone.\n" );
+
+ return;
+ }
+
+ $this->output( "\n{$messageInfo['relevantPages']} pages in the MediaWiki namespace "
+ . "override messages." );
+ $this->output( "\n{$messageInfo['equalPages']} pages are equal to the default message "
+ . "(+ {$messageInfo['equalPagesTalks']} talk pages).\n" );
+
+ if ( !$doDelete ) {
+ $list = '';
+ foreach ( $messageInfo['results'] as $result ) {
+ $title = Title::makeTitle( NS_MEDIAWIKI, $result['title'] );
+ $list .= "* [[$title]]\n";
+ if ( $result['hasTalk'] ) {
+ $title = Title::makeTitle( NS_MEDIAWIKI_TALK, $result['title'] );
+ $list .= "* [[$title]]\n";
+ }
+ }
+ $this->output( "\nList:\n$list\nRun the script again with --delete to delete these pages" );
+ if ( $messageInfo['equalPagesTalks'] !== 0 ) {
+ $this->output( " (include --delete-talk to also delete the talk pages)" );
+ }
+ $this->output( "\n" );
+
+ return;
+ }
+
+ $user = User::newSystemUser( 'MediaWiki default', [ 'steal' => true ] );
+ if ( !$user ) {
+ $this->error( "Invalid username", true );
+ }
+ global $wgUser;
+ $wgUser = $user;
+
+ // Hide deletions from RecentChanges
+ $user->addGroup( 'bot' );
+
+ // Handle deletion
+ $this->output( "\n...deleting equal messages (this may take a long time!)..." );
+ $dbw = $this->getDB( DB_MASTER );
+ foreach ( $messageInfo['results'] as $result ) {
+ wfWaitForSlaves();
+ $dbw->ping();
+ $title = Title::makeTitle( NS_MEDIAWIKI, $result['title'] );
+ $this->output( "\n* [[$title]]" );
+ $page = WikiPage::factory( $title );
+ $error = ''; // Passed by ref
+ $success = $page->doDeleteArticle( 'No longer required', false, 0, true, $error, $user );
+ if ( !$success ) {
+ $this->output( " (Failed!)" );
+ }
+ if ( $result['hasTalk'] && $doDeleteTalk ) {
+ $title = Title::makeTitle( NS_MEDIAWIKI_TALK, $result['title'] );
+ $this->output( "\n* [[$title]]" );
+ $page = WikiPage::factory( $title );
+ $error = ''; // Passed by ref
+ $success = $page->doDeleteArticle( 'Orphaned talk page of no longer required message',
+ false, 0, true, $error, $user );
+ if ( !$success ) {
+ $this->output( " (Failed!)" );
+ }
+ }
+ }
+ $this->output( "\n\ndone!\n" );
+ }
+}
+
+$maintClass = "DeleteEqualMessages";
+require_once RUN_MAINTENANCE_IF_MAIN;
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff