<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Downloader;
use Composer\Package\PackageInterface;
/**
* VCS Capable Downloader interface.
*
* @author Steve Buzonas <steve@fancyguy.com>
*/
interface VcsCapableDownloaderInterface
{
/**
* Gets the VCS Reference for the package at path
*
* @param PackageInterface $package package directory
* @param string $path package directory
* @return string|null reference or null
*/
public function getVcsReference(PackageInterface $package, $path);
}