Refactoring builds out into separate model types (Github, Bitbucket, Local) and builder to use build->createWorkingCopy() to make build directory. Fixes #29

PHPCI/BuildFactory.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace PHPCI;
+use PHPCI\Model\Build,
+	PHPCI\Model\Build\LocalBuild,
+	PHPCI\Model\Build\GithubBuild,
+	PHPCI\Model\Build\BitbucketBuild;
+
+class BuildFactory
+{
+	public static function getBuild(Build $base)
+	{
+		switch($base->getProject()->getType())
+		{
+			case 'local':
+				$type = 'LocalBuild';
+			break;
+
+			case 'github':
+				$type = 'GithubBuild';
+			break;
+
+			case 'bitbucket':
+				$type = 'BitbucketBuild';
+			break;
+		}
+
+		$type = '\\PHPCI\\Model\\Build\\' . $type;
+
+		return new $type($base->getDataArray());
+	}
+}