From 78c60c25c86e9e00d603e29113fae3eb2f8d1bc7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20M=C3=BCller?= <thomas.mueller@tmit.eu>
Date: Wed, 2 Oct 2013 13:00:05 +0200
Subject: [PATCH] only perform files upgrade in case there are actually entries
 in the old fscache table

---
 lib/private/files/cache/upgrade.php | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/private/files/cache/upgrade.php b/lib/private/files/cache/upgrade.php
index cfb9a11731..e3a46896cb 100644
--- a/lib/private/files/cache/upgrade.php
+++ b/lib/private/files/cache/upgrade.php
@@ -192,7 +192,15 @@ class Upgrade {
 	 */
 	static function needUpgrade($user) {
 		$cacheVersion = (int)\OCP\Config::getUserValue($user, 'files', 'cache_version', 4);
-		return $cacheVersion < 5;
+		if ($cacheVersion < 5) {
+			$legacy = new \OC\Files\Cache\Legacy($user);
+			if ($legacy->hasItems()) {
+				return true;
+			}
+			self::upgradeDone($user);
+		}
+
+		return false;
 	}
 
 	/**