shorten commit id with slice filter (twig >1.6)

Author: Kendrick

Resources/views/Collector/git.html.twig

@@ -33,7 +33,7 @@
                 {% if collector.commit %}
                     <div class="sf-toolbar-info-piece">
                         {% if collector.commiturl %}
-                            <a href="{{ collector.commiturl }}{{ collector.commit }}" target="_blank">{{ collector.commit }}</a>
+                            <a href="{{ collector.commiturl }}{{ collector.commit }}" target="_blank">{{ collector.commit[:7] }}</a>
                         {% else %}
                             {{ collector.commit }}
                         {% endif %}

composer.json

@@ -13,7 +13,7 @@
   "require": {
     "symfony/framework-bundle": "~2.3",
     "symfony/twig-bundle": "~2.0",
-    "twig/twig": "~1.12"
+    "twig/twig": "~1.6"
   },
   "require-dev": {
     "phpunit/phpunit": "4.8.*"