1 files changed, 122 insertions, 0 deletions
diff --git a/www/wiki/maintenance/nukeNS.php b/www/wiki/maintenance/nukeNS.php
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+++ b/www/wiki/maintenance/nukeNS.php
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+<?php
+/**
+ * Remove pages with only 1 revision from the MediaWiki namespace, without
+ * flooding recent changes, delete logs, etc.
+ * Irreversible (can't use standard undelete) and does not update link tables
+ *
+ * This is mainly useful to run before maintenance/update.php when upgrading
+ * to 1.9, to prevent flooding recent changes/deletion logs.  It's intended
+ * to be conservative, so it's possible that a few entries will be left for
+ * deletion by the upgrade script.  It's also possible that it hasn't been
+ * tested thouroughly enough, and will delete something it shouldn't; so
+ * back up your DB if there's anything in the MediaWiki that is important to
+ * you.
+ *
+ * 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
+ * @author Steve Sanbeg
+ * based on nukePage by Rob Church
+ */
+
+require_once __DIR__ . '/Maintenance.php';
+
+/**
+ * Maintenance script that removes pages with only one revision from the
+ * MediaWiki namespace.
+ *
+ * @ingroup Maintenance
+ */
+class NukeNS extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->addDescription( 'Remove pages with only 1 revision from any namespace' );
+		$this->addOption( 'delete', "Actually delete the page" );
+		$this->addOption( 'ns', 'Namespace to delete from, default NS_MEDIAWIKI', false, true );
+		$this->addOption( 'all', 'Delete everything regardless of revision count' );
+	}
+
+	public function execute() {
+		$ns = $this->getOption( 'ns', NS_MEDIAWIKI );
+		$delete = $this->hasOption( 'delete' );
+		$all = $this->hasOption( 'all' );
+		$dbw = $this->getDB( DB_MASTER );
+		$this->beginTransaction( $dbw, __METHOD__ );
+
+		$tbl_pag = $dbw->tableName( 'page' );
+		$tbl_rev = $dbw->tableName( 'revision' );
+		$res = $dbw->query( "SELECT page_title FROM $tbl_pag WHERE page_namespace = $ns" );
+
+		$n_deleted = 0;
+
+		foreach ( $res as $row ) {
+			// echo "$ns_name:".$row->page_title, "\n";
+			$title = Title::makeTitle( $ns, $row->page_title );
+			$id = $title->getArticleID();
+
+			// Get corresponding revisions
+			$res2 = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_page = $id" );
+			$revs = [];
+
+			foreach ( $res2 as $row2 ) {
+				$revs[] = $row2->rev_id;
+			}
+			$count = count( $revs );
+
+			// skip anything that looks modified (i.e. multiple revs)
+			if ( $all || $count == 1 ) {
+				# echo $title->getPrefixedText(), "\t", $count, "\n";
+				$this->output( "delete: " . $title->getPrefixedText() . "\n" );
+
+				// as much as I hate to cut & paste this, it's a little different, and
+				// I already have the id & revs
+				if ( $delete ) {
+					$dbw->query( "DELETE FROM $tbl_pag WHERE page_id = $id" );
+					$this->commitTransaction( $dbw, __METHOD__ );
+					// Delete revisions as appropriate
+					$child = $this->runChild( NukePage::class, 'nukePage.php' );
+					$child->deleteRevisions( $revs );
+					$this->purgeRedundantText( true );
+					$n_deleted++;
+				}
+			} else {
+				$this->output( "skip: " . $title->getPrefixedText() . "\n" );
+			}
+		}
+		$this->commitTransaction( $dbw, __METHOD__ );
+
+		if ( $n_deleted > 0 ) {
+			# update statistics - better to decrement existing count, or just count
+			# the page table?
+			$pages = $dbw->selectField( 'site_stats', 'ss_total_pages' );
+			$pages -= $n_deleted;
+			$dbw->update(
+				'site_stats',
+				[ 'ss_total_pages' => $pages ],
+				[ 'ss_row_id' => 1 ],
+				__METHOD__
+			);
+		}
+
+		if ( !$delete ) {
+			$this->output( "To update the database, run the script with the --delete option.\n" );
+		}
+	}
+}
+
+$maintClass = NukeNS::class;
+require_once RUN_MAINTENANCE_IF_MAIN;