Viewing file:  RepositoryUtils.php (2.26 KB) -rw-r--r--
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<?php declare(strict_types=1);
/*
* 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\Repository;
use Composer\Package\PackageInterface;
/**
* @author Jordi Boggiano <j.boggiano@seld.be>
*
* @see RepositorySet for ways to work with sets of repos
*/
class RepositoryUtils
{
/**
* Find all of $packages which are required by $requirer, either directly or transitively
*
* Require-dev is ignored
*
* @template T of PackageInterface
* @param array<T> $packages
* @param list<T> $bucket Do not pass this in, only used to avoid recursion with circular deps
* @return list<T>
*/
public static function filterRequiredPackages(array $packages, PackageInterface $requirer, array $bucket = []): array
{
$requires = $requirer->getRequires();
foreach ($packages as $candidate) {
foreach ($candidate->getNames() as $name) {
if (isset($requires[$name])) {
if (!in_array($candidate, $bucket, true)) {
$bucket[] = $candidate;
$bucket = self::filterRequiredPackages($packages, $candidate, $bucket);
}
break;
}
}
}
return $bucket;
}
/**
* Unwraps CompositeRepository, InstalledRepository and optionally FilterRepository to get a flat array of pure repository instances
*
* @return RepositoryInterface[]
*/
public static function flattenRepositories(RepositoryInterface $repo, bool $unwrapFilterRepos = true): array
{
// unwrap filter repos
if ($unwrapFilterRepos && $repo instanceof FilterRepository) {
$repo = $repo->getRepository();
}
if (!$repo instanceof CompositeRepository) {
return [$repo];
}
$repos = [];
foreach ($repo->getRepositories() as $r) {
foreach (self::flattenRepositories($r, $unwrapFilterRepos) as $r2) {
$repos[] = $r2;
}
}
return $repos;
}
}
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