Add ScriptHandler

composer.json

@@ -10,7 +10,20 @@
         }
     ],
     "require": {
-        "sculpin/sculpin": "^2.1@dev",
         "dflydev/embedded-composer": "^1.0@dev",
+        "sculpin/sculpin": "^2.1@dev"
+    },
+    "autoload": {
+        "classmap": [
+            "scripts/composer/ScriptHandler.php"
+        ]
+    },
+    "scripts": {
+        "post-install-cmd": [
+            "SculpinSkeleton\\composer\\ScriptHandler::createRequiredFiles"
+        ],
+        "post-update-cmd": [
+            "SculpinSkeleton\\composer\\ScriptHandler::createRequiredFiles"
+        ]
     }
 }

scripts/composer/ScriptHandler.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace SculpinSkeleton\composer;
+
+use Composer\Script\Event;
+use Symfony\Component\Filesystem\Filesystem;
+
+class ScriptHandler
+{
+    public static function createRequiredFiles(Event $event)
+    {
+        $fs = new Filesystem();
+
+        $sculpinRoot = getcwd();
+
+        $dirs = [
+            'app/config',
+            'source',
+        ];
+
+        foreach ($dirs as $dir) {
+            if (!$fs->exists("$sculpinRoot/$dir")) {
+                $fs->mkdir("$sculpinRoot/$dir");
+                $fs->touch("$sculpinRoot/$dir/.gitkeep");
+            }
+        }
+    }
+}