/usr/share/php/Composer/Installer/MetapackageInstaller.php is in composer 1.0.0~beta2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* 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\Installer;
use Composer\Repository\InstalledRepositoryInterface;
use Composer\Package\PackageInterface;
/**
* Metapackage installation manager.
*
* @author Martin HasoĊ <martin.hason@gmail.com>
*/
class MetapackageInstaller implements InstallerInterface
{
/**
* {@inheritDoc}
*/
public function supports($packageType)
{
return $packageType === 'metapackage';
}
/**
* {@inheritDoc}
*/
public function isInstalled(InstalledRepositoryInterface $repo, PackageInterface $package)
{
return $repo->hasPackage($package);
}
/**
* {@inheritDoc}
*/
public function install(InstalledRepositoryInterface $repo, PackageInterface $package)
{
$repo->addPackage(clone $package);
}
/**
* {@inheritDoc}
*/
public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target)
{
if (!$repo->hasPackage($initial)) {
throw new \InvalidArgumentException('Package is not installed: '.$initial);
}
$repo->removePackage($initial);
$repo->addPackage(clone $target);
}
/**
* {@inheritDoc}
*/
public function uninstall(InstalledRepositoryInterface $repo, PackageInterface $package)
{
if (!$repo->hasPackage($package)) {
throw new \InvalidArgumentException('Package is not installed: '.$package);
}
$repo->removePackage($package);
}
/**
* {@inheritDoc}
*/
public function getInstallPath(PackageInterface $package)
{
return '';
}
}
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