From 51e5c0766ccead6619c7334b739672f56d7a2829 Mon Sep 17 00:00:00 2001
From: Morris Jobke <hey@morrisjobke.de>
Date: Tue, 28 Mar 2017 17:43:39 -0600
Subject: [PATCH] Fix check for cache value in JSCombiner

* fixes following log output, because there was empty string
  stored in the cache

Invalid argument supplied for foreach() at lib/private/Template/JSCombiner.php#108

Signed-off-by: Morris Jobke <hey@morrisjobke.de>
---
 lib/private/Template/JSCombiner.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/private/Template/JSCombiner.php b/lib/private/Template/JSCombiner.php
index 0f30fb915f..9b5d646158 100644
--- a/lib/private/Template/JSCombiner.php
+++ b/lib/private/Template/JSCombiner.php
@@ -98,7 +98,7 @@ class JSCombiner {
 		$fileName = str_replace('.json', '.js', $fileName) . '.deps';
 		try {
 			$deps = $this->depsCache->get($folder->getName() . '-' . $fileName);
-			if ($deps === null) {
+			if ($deps === null || $deps === '') {
 				$depFile = $folder->getFile($fileName);
 				$deps = $depFile->getContent();
 				$this->depsCache->set($folder->getName() . '-' . $fileName, $deps);