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<?php |
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namespace BringYourOwnIdeas\UpdateChecker\Extensions; |
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use Composer\Composer; |
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use Composer\Factory; |
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use Composer\IO\NullIO; |
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use Composer\Package\Link; |
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use Composer\Repository\InstalledRepository; |
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use Composer\Repository\RootPackageRepository; |
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use Composer\Repository\RepositoryInterface; |
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use SilverStripe\Core\Environment; |
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use SilverStripe\Core\Extension; |
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class ComposerLoaderExtension extends Extension |
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{ |
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/** |
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* @var Composer |
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*/ |
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protected $composer; |
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/** |
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* @param Composer $composer |
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* @return $this |
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*/ |
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public function setComposer(Composer $composer) |
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{ |
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$this->composer = $composer; |
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return $this; |
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} |
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/** |
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* @return Composer |
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*/ |
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public function getComposer() |
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{ |
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return $this->composer; |
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} |
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/** |
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* Retrieve an array of primary composer dependencies from composer.json. |
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* Packages are filtered by allowed type. |
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* Dependencies in composer.json that do not match any of the given types are not returned. |
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* |
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* @param array|null $allowedTypes An array of "allowed" package types. |
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* @return array[] |
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*/ |
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public function getPackages(array $allowedTypes = null) |
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{ |
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$packages = []; |
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$repository = $this->getRepository(); |
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foreach ($repository->getPackages() as $package) { |
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// Filter out packages that are not "allowed types" |
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if (is_array($allowedTypes) && !in_array($package->getType(), $allowedTypes)) { |
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continue; |
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} |
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// Find the constraint used for installation |
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$constraint = $this->getInstalledConstraint($repository, $package->getName()); |
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$packages[$package->getName()] = [ |
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'constraint' => $constraint, |
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'package' => $package, |
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]; |
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} |
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return $packages; |
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} |
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/** |
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* Provides access to the Composer repository |
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*/ |
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protected function getRepository(): RepositoryInterface |
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{ |
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/** @var Composer $composer */ |
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$composer = $this->getComposer(); |
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return new InstalledRepository([ |
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new RootPackageRepository($composer->getPackage()), |
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$composer->getRepositoryManager()->getLocalRepository() |
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]); |
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} |
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/** |
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* Find all dependency constraints for the given package in the current repository and return the strictest one |
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*/ |
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protected function getInstalledConstraint(InstalledRepository $repository, string $packageName): string |
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{ |
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$constraints = []; |
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foreach ($repository->getDependents($packageName) as $dependent) { |
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/** @var Link $link */ |
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list (, $link) = $dependent; |
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$constraints[] = $link->getPrettyConstraint() ?? ''; |
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} |
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usort($constraints, 'version_compare'); |
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return array_pop($constraints); |
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} |
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/** |
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* Builds an instance of Composer |
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*/ |
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public function onAfterBuild() |
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{ |
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// Mock COMPOSER_HOME if it's not defined already. Composer requires one of the two to be set. |
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if (!Environment::getEnv('COMPOSER_HOME')) { |
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$home = Environment::getEnv('HOME'); |
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if (!$home || !is_dir($home) || !is_writable($home)) { |
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// Set our own directory |
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putenv('COMPOSER_HOME=' . sys_get_temp_dir()); |
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} |
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} |
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$originalDir = getcwd(); |
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if ($originalDir !== BASE_PATH) { |
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chdir(BASE_PATH); |
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} |
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/** @var Composer $composer */ |
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$composer = Factory::create(new NullIO()); |
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$this->setComposer($composer); |
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if ($originalDir !== BASE_PATH) { |
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chdir($originalDir); |
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} |
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} |
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} |
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bringyourownideas /
silverstripe-composer-update-checker
