Travis: Prefer source

wjzijderveld · wjzijderveld · commit b3dbd81779d4 · 2014-10-21T13:08:57.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,7 +6,7 @@ php:
 
 before_script:
   - curl -s https://getcomposer.org/installer | php
-  - php composer.phar install --dev
+  - php composer.phar install --dev --prefer-source
 
 notifications:
   irc: 
