<?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;
/**
* Downloader interface.
*
* @author Konstantin Kudryashov <ever.zet@gmail.com>
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
interface DownloaderInterface
{
/**
* Returns installation source (either source or dist).
*
* @return string "source" or "dist"
*/
public function getInstallationSource();
/**
* Downloads specific package into specific folder.
*
* @param PackageInterface $package package instance
* @param string $path download path
*/
public function download(PackageInterface $package, $path);
/**
* Updates specific package in specific folder from initial to target version.
*
* @param PackageInterface $initial initial package
* @param PackageInterface $target updated package
* @param string $path download path
*/
public function update(PackageInterface $initial, PackageInterface $target, $path);
/**
* Removes specific package from specific folder.
*
* @param PackageInterface $package package instance
* @param string $path download path
*/
public function remove(PackageInterface $package, $path);
/**
* Sets whether to output download progress information or not
*
* @param bool $outputProgress
* @return DownloaderInterface
*/
public function setOutputProgress($outputProgress);
}