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<?php |
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declare(strict_types=1); |
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namespace PackageVersions; |
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use Composer\Composer; |
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use Composer\Config; |
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use Composer\EventDispatcher\EventSubscriberInterface; |
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use Composer\IO\IOInterface; |
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use Composer\Package\AliasPackage; |
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use Composer\Package\Locker; |
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use Composer\Package\PackageInterface; |
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use Composer\Package\RootPackageInterface; |
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use Composer\Plugin\PluginInterface; |
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use Composer\Script\Event; |
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use Composer\Script\ScriptEvents; |
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use Generator; |
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use RuntimeException; |
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use function array_key_exists; |
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use function array_merge; |
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use function chmod; |
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use function dirname; |
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use function file_exists; |
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use function file_put_contents; |
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use function iterator_to_array; |
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use function rename; |
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use function sprintf; |
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use function uniqid; |
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use function var_export; |
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final class Installer implements PluginInterface, EventSubscriberInterface |
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{ |
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/** @var string */ |
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private static $generatedClassTemplate = <<<'PHP' |
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<?php |
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declare(strict_types=1); |
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namespace PackageVersions; |
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/** |
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* This class is generated by ocramius/package-versions, specifically by |
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* @see \PackageVersions\Installer |
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* |
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* This file is overwritten at every run of `composer install` or `composer update`. |
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*/ |
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%s |
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{ |
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public const ROOT_PACKAGE_NAME = '%s'; |
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public const VERSIONS = %s; |
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private function __construct() |
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{ |
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} |
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/** |
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* @throws \OutOfBoundsException If a version cannot be located. |
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*/ |
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public static function getVersion(string $packageName) : string |
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{ |
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if (isset(self::VERSIONS[$packageName])) { |
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return self::VERSIONS[$packageName]; |
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} |
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throw new \OutOfBoundsException( |
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'Required package "' . $packageName . '" is not installed: cannot detect its version' |
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); |
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} |
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} |
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PHP; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function activate(Composer $composer, IOInterface $io) : void |
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{ |
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// Nothing to do here, as all features are provided through event listeners |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public static function getSubscribedEvents() : array |
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{ |
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return [ |
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1 |
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ScriptEvents::POST_INSTALL_CMD => 'dumpVersionsClass', |
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1 |
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ScriptEvents::POST_UPDATE_CMD => 'dumpVersionsClass', |
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]; |
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} |
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/** |
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* @throws RuntimeException |
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*/ |
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public static function dumpVersionsClass(Event $composerEvent) : void |
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{ |
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$composer = $composerEvent->getComposer(); |
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$rootPackage = $composer->getPackage(); |
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$versions = iterator_to_array(self::getVersions($composer->getLocker(), $rootPackage)); |
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if (! array_key_exists('ocramius/package-versions', $versions)) { |
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//plugin must be globally installed - we only want to generate versions for projects which specifically |
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//require ocramius/package-versions |
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1 |
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return; |
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} |
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$versionClass = self::generateVersionsClass($rootPackage->getName(), $versions); |
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self::writeVersionClassToFile($versionClass, $composer, $composerEvent->getIO()); |
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} |
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/** |
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* @param string[] $versions |
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*/ |
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private static function generateVersionsClass(string $rootPackageName, array $versions) : string |
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{ |
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return sprintf( |
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self::$generatedClassTemplate, |
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'fin' . 'al ' . 'cla' . 'ss ' . 'Versions', // note: workaround for regex-based code parsers :-( |
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$rootPackageName, |
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var_export($versions, true) |
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); |
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} |
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/** |
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* @throws RuntimeException |
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*/ |
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private static function writeVersionClassToFile(string $versionClassSource, Composer $composer, IOInterface $io) : void |
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{ |
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$installPath = self::locateRootPackageInstallPath($composer->getConfig(), $composer->getPackage()) |
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. '/src/PackageVersions/Versions.php'; |
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if (! file_exists(dirname($installPath))) { |
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$io->write('<info>ocramius/package-versions:</info> Package not found (probably scheduled for removal); generation of version class skipped.'); |
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1 |
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return; |
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} |
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$io->write('<info>ocramius/package-versions:</info> Generating version class...'); |
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$installPathTmp = $installPath . '_' . uniqid('tmp', true); |
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file_put_contents($installPathTmp, $versionClassSource); |
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chmod($installPathTmp, 0664); |
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rename($installPathTmp, $installPath); |
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$io->write('<info>ocramius/package-versions:</info> ...done generating version class'); |
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} |
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/** |
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* @throws RuntimeException |
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*/ |
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private static function locateRootPackageInstallPath( |
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Config $composerConfig, |
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RootPackageInterface $rootPackage |
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) : string { |
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if (self::getRootPackageAlias($rootPackage)->getName() === 'ocramius/package-versions') { |
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return dirname($composerConfig->get('vendor-dir')); |
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} |
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return $composerConfig->get('vendor-dir') . '/ocramius/package-versions'; |
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} |
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private static function getRootPackageAlias(RootPackageInterface $rootPackage) : PackageInterface |
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{ |
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$package = $rootPackage; |
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while ($package instanceof AliasPackage) { |
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$package = $package->getAliasOf(); |
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} |
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return $package; |
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} |
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/** |
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* @return Generator|string[] |
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*/ |
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private static function getVersions(Locker $locker, RootPackageInterface $rootPackage) : Generator |
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{ |
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$lockData = $locker->getLockData(); |
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$lockData['packages-dev'] = $lockData['packages-dev'] ?? []; |
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foreach (array_merge($lockData['packages'], $lockData['packages-dev']) as $package) { |
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yield $package['name'] => $package['version'] . '@' . ( |
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$package['source']['reference']?? $package['dist']['reference'] ?? '' |
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); |
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} |
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foreach ($rootPackage->getReplaces() as $replace) { |
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$version = $replace->getPrettyConstraint(); |
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if ($version === 'self.version') { |
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$version = $rootPackage->getPrettyVersion(); |
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} |
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yield $replace->getTarget() => $version . '@' . $rootPackage->getSourceReference(); |
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} |
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yield $rootPackage->getName() => $rootPackage->getPrettyVersion() . '@' . $rootPackage->getSourceReference(); |
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} |
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} |
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Ocramius /
PackageVersions
