init without trunk

vendor/incenteev/composer-parameter-handler/ScriptHandler.php

@@ -0,0 +1,37 @@
+<?php
+
+namespace Incenteev\ParameterHandler;
+
+use Composer\Script\Event;
+
+class ScriptHandler
+{
+    public static function buildParameters(Event $event)
+    {
+        $extras = $event->getComposer()->getPackage()->getExtra();
+
+        if (!isset($extras['incenteev-parameters'])) {
+            throw new \InvalidArgumentException('The parameter handler needs to be configured through the extra.incenteev-parameters setting.');
+        }
+
+        $configs = $extras['incenteev-parameters'];
+
+        if (!is_array($configs)) {
+            throw new \InvalidArgumentException('The extra.incenteev-parameters setting must be an array or a configuration object.');
+        }
+
+        if (array_keys($configs) !== range(0, count($configs) - 1)) {
+            $configs = array($configs);
+        }
+
+        $processor = new Processor($event->getIO());
+
+        foreach ($configs as $config) {
+            if (!is_array($config)) {
+                throw new \InvalidArgumentException('The extra.incenteev-parameters setting must be an array of configuration objects.');
+            }
+
+            $processor->processFile($config);
+        }
+    }
+}