public function getEnvironmentPaths($project) {
		$baseDir = $this->getEnvironmentDir() . '/' . $project;

		$paths = array();
		if(!file_exists($baseDir)) {
			throw new Exception('Environment directory '.$baseDir.' doesn\'t exist. Create it first.');
		}
		// Search the directory for config files.
		foreach(scandir($baseDir) as $environmentFile) {
			if(preg_match('/\.rb$/', $environmentFile)) {
				// Config found, wrap it into an object.
				$paths[] = "$baseDir/$environmentFile";
			}
		}
		sort($paths);
		return array_values($paths);
	}