From bb4edde9f15a07e6dac0d4dc01731f1e277d34a4 Mon Sep 17 00:00:00 2001
From: Keith Cirkel <github@keithcirkel.co.uk>
Date: Wed, 23 Jul 2014 15:22:34 +0100
Subject: [PATCH] fix(preprocessor): Throw error if can't open file

---
 lib/preprocessor.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/preprocessor.js b/lib/preprocessor.js
index 392c5eb48..f61781987 100644
--- a/lib/preprocessor.js
+++ b/lib/preprocessor.js
@@ -89,6 +89,9 @@ var createPreprocessor = function(config, basePath, injector) {
     }
 
     return fs.readFile(file.originalPath, function(err, buffer) {
+      if (err) {
+        throw err;
+      }
       file.sha = sha1(buffer);
       nextPreprocessor(null, thisFileIsBinary ? buffer : buffer.toString());
     });