From c518eaf0e05bda3268bcc197d85a3c3a4605ee39 Mon Sep 17 00:00:00 2001
From: Aaron Schulz <aschulz@wikimedia.org>
Date: Mon, 27 Apr 2015 17:36:02 -0700
Subject: [PATCH] Removed LocalFile::purgeHistory method

* This just purges an unused key as OldLocalFile::getCacheKey
  simply returns false (rather than a key with "oldfile" in it)

Change-Id: Ic7dda9bf192803a75eaa9bd3bb5a145ad1409dd2
---
 includes/filerepo/file/LocalFile.php | 19 -------------------
 maintenance/eraseArchivedFile.php    |  1 -
 maintenance/purgeChangedFiles.php    |  2 --
 3 files changed, 22 deletions(-)

diff --git a/includes/filerepo/file/LocalFile.php b/includes/filerepo/file/LocalFile.php
index b4cced385b..d368d901e5 100644
--- a/includes/filerepo/file/LocalFile.php
+++ b/includes/filerepo/file/LocalFile.php
@@ -844,23 +844,6 @@ class LocalFile extends File {
 	function purgeMetadataCache() {
 		$this->loadFromDB( File::READ_LATEST );
 		$this->saveToCache();
-		$this->purgeHistory();
-	}
-
-	/**
-	 * Purge the shared history (OldLocalFile) cache.
-	 *
-	 * @note This used to purge old thumbnails as well.
-	 */
-	function purgeHistory() {
-		global $wgMemc;
-
-		$hashedName = md5( $this->getName() );
-		$oldKey = $this->repo->getSharedCacheKey( 'oldfile', $hashedName );
-
-		if ( $oldKey ) {
-			$wgMemc->delete( $oldKey );
-		}
 	}
 
 	/**
@@ -1667,7 +1650,6 @@ class LocalFile extends File {
 		$this->purgeOldThumbnails( $archiveName );
 		if ( $status->isOK() ) {
 			$this->purgeDescription();
-			$this->purgeHistory();
 		}
 
 		if ( $wgUseSquid ) {
@@ -2565,7 +2547,6 @@ class LocalFileRestoreBatch {
 			} else {
 				wfDebug( __METHOD__ . " restored {$status->successCount} as archived versions\n" );
 				$this->file->purgeDescription();
-				$this->file->purgeHistory();
 			}
 		}
 
diff --git a/maintenance/eraseArchivedFile.php b/maintenance/eraseArchivedFile.php
index 94ca604de9..8fdcef3ab4 100644
--- a/maintenance/eraseArchivedFile.php
+++ b/maintenance/eraseArchivedFile.php
@@ -73,7 +73,6 @@ class EraseArchivedFile extends Maintenance {
 
 		$this->output( "Purging all thumbnails for file '$filename'..." );
 		$file->purgeCache();
-		$file->purgeHistory();
 		$this->output( "done.\n" );
 
 		if ( $afile instanceof ArchivedFile ) {
diff --git a/maintenance/purgeChangedFiles.php b/maintenance/purgeChangedFiles.php
index d21a296d70..b98e95f4b6 100644
--- a/maintenance/purgeChangedFiles.php
+++ b/maintenance/purgeChangedFiles.php
@@ -166,7 +166,6 @@ class PurgeChangedFiles extends Maintenance {
 
 				// Purge current version and any versions in oldimage table
 				$file->purgeCache();
-				$file->purgeHistory();
 
 				if ( $logType === 'delete' ) {
 					// If there is an orphaned storage file... delete it
@@ -191,7 +190,6 @@ class PurgeChangedFiles extends Maintenance {
 						$target = $params['4::target'];
 						$targetFile = $repo->newFile( Title::makeTitle( NS_FILE, $target ) );
 						$targetFile->purgeCache();
-						$targetFile->purgeHistory();
 						$this->verbose( "Purged file {$target}; move target @{$row->log_timestamp}.\n" );
 					}
 				}
-- 
2.20.1