Cache dist files only

WyriHaximus · WyriHaximus · commit 00efd7015545 · 2017-06-27T17:39:28.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,7 +2,7 @@ language: php
 
 cache:
   directories:
-    - $HOME/.composer/cache
+    - $HOME/.composer/cache/files
 
 php:
   - 5.4
