Refs #4125 Fixes

core/Filechecks.php

@@ -48,8 +48,7 @@ class Filechecks
             $directoryToCheck = SettingsPiwik::rewriteTmpPathWithHostname($directoryToCheck);
 
             // Create an empty directory
-            $isFile = strpos($directoryToCheck, '.') !== false;
-            if (!$isFile && !file_exists($directoryToCheck)) {
+            if (!file_exists($directoryToCheck)) {
                 Filesystem::mkdir($directoryToCheck);
             }
 

core/Updates/2.0-a13.php

@@ -50,9 +50,6 @@ class Piwik_Updates_2_0_a13 extends Updates
         \Piwik\Option::getInstance()->delete('version_Referers');
 
         Updater::updateDatabase(__FILE__, self::getSql());
-        \Piwik\PluginsManager::getInstance()->deactivatePlugin('Referers');
-        \Piwik\PluginsManager::getInstance()->deactivatePlugin('PDFReports');
-
         // Deleting old plugins
         $obsoleteDirectories = array(
             PIWIK_INCLUDE_PATH . '/plugins/Referers',
@@ -64,6 +61,9 @@ class Piwik_Updates_2_0_a13 extends Updates
             }
         }
 
+        \Piwik\PluginsManager::getInstance()->deactivatePlugin('Referers');
+        \Piwik\PluginsManager::getInstance()->deactivatePlugin('PDFReports');
+
         try {
             \Piwik\PluginsManager::getInstance()->activatePlugin('Referrers');
         } catch(Exception $e) {