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/vendor/composer/package-versions-deprecated/src/PackageVersions/ -> Installer.php (source)

   1  <?php
   2  
   3  declare(strict_types=1);
   4  
   5  namespace PackageVersions;
   6  
   7  use Composer\Composer;
   8  use Composer\Config;
   9  use Composer\EventDispatcher\EventSubscriberInterface;
  10  use Composer\IO\IOInterface;
  11  use Composer\Package\AliasPackage;
  12  use Composer\Package\Locker;
  13  use Composer\Package\PackageInterface;
  14  use Composer\Package\RootPackageInterface;
  15  use Composer\Plugin\PluginInterface;
  16  use Composer\Script\Event;
  17  use Composer\Script\ScriptEvents;
  18  use Generator;
  19  use RuntimeException;
  20  
  21  use function array_key_exists;
  22  use function array_merge;
  23  use function chmod;
  24  use function dirname;
  25  use function file_exists;
  26  use function file_put_contents;
  27  use function is_writable;
  28  use function iterator_to_array;
  29  use function rename;
  30  use function sprintf;
  31  use function uniqid;
  32  use function var_export;
  33  
  34  final class Installer implements PluginInterface, EventSubscriberInterface
  35  {
  36      private static $generatedClassTemplate = <<<'PHP'
  37  <?php
  38  
  39  declare(strict_types=1);
  40  
  41  namespace PackageVersions;
  42  
  43  use Composer\InstalledVersions;
  44  use OutOfBoundsException;
  45  
  46  class_exists(InstalledVersions::class);
  47  
  48  /**
  49   * This class is generated by composer/package-versions-deprecated, specifically by
  50   * @see \PackageVersions\Installer
  51   *
  52   * This file is overwritten at every run of `composer install` or `composer update`.
  53   *
  54   * @deprecated in favor of the Composer\InstalledVersions class provided by Composer 2. Require composer-runtime-api:^2 to ensure it is present.
  55   */
  56  %s
  57  {
  58      /**
  59       * @deprecated please use {@see self::rootPackageName()} instead.
  60       *             This constant will be removed in version 2.0.0.
  61       */
  62      const ROOT_PACKAGE_NAME = '%s';
  63  
  64      /**
  65       * Array of all available composer packages.
  66       * Dont read this array from your calling code, but use the \PackageVersions\Versions::getVersion() method instead.
  67       *
  68       * @var array<string, string>
  69       * @internal
  70       */
  71      const VERSIONS          = %s;
  72  
  73      private function __construct()
  74      {
  75      }
  76  
  77      /**
  78       * @psalm-pure
  79       *
  80       * @psalm-suppress ImpureMethodCall we know that {@see InstalledVersions} interaction does not
  81       *                                  cause any side effects here.
  82       */
  83      public static function rootPackageName() : string
  84      {
  85          if (!self::composer2ApiUsable()) {
  86              return self::ROOT_PACKAGE_NAME;
  87          }
  88  
  89          return InstalledVersions::getRootPackage()['name'];
  90      }
  91  
  92      /**
  93       * @throws OutOfBoundsException If a version cannot be located.
  94       *
  95       * @psalm-param key-of<self::VERSIONS> $packageName
  96       * @psalm-pure
  97       *
  98       * @psalm-suppress ImpureMethodCall we know that {@see InstalledVersions} interaction does not
  99       *                                  cause any side effects here.
 100       */
 101      public static function getVersion(string $packageName): string
 102      {
 103          if (self::composer2ApiUsable()) {
 104              return InstalledVersions::getPrettyVersion($packageName)
 105                  . '@' . InstalledVersions::getReference($packageName);
 106          }
 107  
 108          if (isset(self::VERSIONS[$packageName])) {
 109              return self::VERSIONS[$packageName];
 110          }
 111  
 112          throw new OutOfBoundsException(
 113              'Required package "' . $packageName . '" is not installed: check your ./vendor/composer/installed.json and/or ./composer.lock files'
 114          );
 115      }
 116  
 117      private static function composer2ApiUsable(): bool
 118      {
 119          if (!class_exists(InstalledVersions::class, false)) {
 120              return false;
 121          }
 122  
 123          if (method_exists(InstalledVersions::class, 'getAllRawData')) {
 124              $rawData = InstalledVersions::getAllRawData();
 125              if (count($rawData) === 1 && count($rawData[0]) === 0) {
 126                  return false;
 127              }
 128          } else {
 129              $rawData = InstalledVersions::getRawData();
 130              if ($rawData === null || $rawData === []) {
 131                  return false;
 132              }
 133          }
 134  
 135          return true;
 136      }
 137  }
 138  
 139  PHP;
 140  
 141      public function activate(Composer $composer, IOInterface $io)
 142      {
 143          // Nothing to do here, as all features are provided through event listeners
 144      }
 145  
 146      public function deactivate(Composer $composer, IOInterface $io)
 147      {
 148          // Nothing to do here, as all features are provided through event listeners
 149      }
 150  
 151      public function uninstall(Composer $composer, IOInterface $io)
 152      {
 153          // Nothing to do here, as all features are provided through event listeners
 154      }
 155  
 156      /**
 157       * {@inheritDoc}
 158       */
 159      public static function getSubscribedEvents(): array
 160      {
 161          return [ScriptEvents::POST_AUTOLOAD_DUMP => 'dumpVersionsClass'];
 162      }
 163  
 164      /**
 165       * @throws RuntimeException
 166       */
 167      public static function dumpVersionsClass(Event $composerEvent)
 168      {
 169          $composer    = $composerEvent->getComposer();
 170          $rootPackage = $composer->getPackage();
 171          $versions    = iterator_to_array(self::getVersions($composer->getLocker(), $rootPackage));
 172  
 173          if (! array_key_exists('composer/package-versions-deprecated', $versions)) {
 174              //plugin must be globally installed - we only want to generate versions for projects which specifically
 175              //require composer/package-versions-deprecated
 176              return;
 177          }
 178  
 179          $versionClass = self::generateVersionsClass($rootPackage->getName(), $versions);
 180  
 181          self::writeVersionClassToFile($versionClass, $composer, $composerEvent->getIO());
 182      }
 183  
 184      /**
 185       * @param string[] $versions
 186       */
 187      private static function generateVersionsClass(string $rootPackageName, array $versions): string
 188      {
 189          return sprintf(
 190              self::$generatedClassTemplate,
 191              'fin' . 'al ' . 'cla' . 'ss ' . 'Versions', // note: workaround for regex-based code parsers :-(
 192              $rootPackageName,
 193              var_export($versions, true)
 194          );
 195      }
 196  
 197      /**
 198       * @throws RuntimeException
 199       */
 200      private static function writeVersionClassToFile(string $versionClassSource, Composer $composer, IOInterface $io)
 201      {
 202          $installPath = self::locateRootPackageInstallPath($composer->getConfig(), $composer->getPackage())
 203              . '/src/PackageVersions/Versions.php';
 204  
 205          $installDir = dirname($installPath);
 206          if (! file_exists($installDir)) {
 207              $io->write('<info>composer/package-versions-deprecated:</info> Package not found (probably scheduled for removal); generation of version class skipped.');
 208  
 209              return;
 210          }
 211  
 212          if (! is_writable($installDir)) {
 213              $io->write(
 214                  sprintf(
 215                      '<info>composer/package-versions-deprecated:</info> %s is not writable; generation of version class skipped.',
 216                      $installDir
 217                  )
 218              );
 219  
 220              return;
 221          }
 222  
 223          $io->write('<info>composer/package-versions-deprecated:</info> Generating version class...');
 224  
 225          $installPathTmp = $installPath . '_' . uniqid('tmp', true);
 226          file_put_contents($installPathTmp, $versionClassSource);
 227          chmod($installPathTmp, 0664);
 228          rename($installPathTmp, $installPath);
 229  
 230          $io->write('<info>composer/package-versions-deprecated:</info> ...done generating version class');
 231      }
 232  
 233      /**
 234       * @throws RuntimeException
 235       */
 236      private static function locateRootPackageInstallPath(
 237          Config $composerConfig,
 238          RootPackageInterface $rootPackage
 239      ): string {
 240          if (self::getRootPackageAlias($rootPackage)->getName() === 'composer/package-versions-deprecated') {
 241              return dirname($composerConfig->get('vendor-dir'));
 242          }
 243  
 244          return $composerConfig->get('vendor-dir') . '/composer/package-versions-deprecated';
 245      }
 246  
 247      private static function getRootPackageAlias(RootPackageInterface $rootPackage): PackageInterface
 248      {
 249          $package = $rootPackage;
 250  
 251          while ($package instanceof AliasPackage) {
 252              $package = $package->getAliasOf();
 253          }
 254  
 255          return $package;
 256      }
 257  
 258      /**
 259       * @return Generator&string[]
 260       *
 261       * @psalm-return Generator<string, string>
 262       */
 263      private static function getVersions(Locker $locker, RootPackageInterface $rootPackage): Generator
 264      {
 265          $lockData = $locker->getLockData();
 266  
 267          $lockData['packages-dev'] = $lockData['packages-dev'] ?? [];
 268  
 269          $packages = $lockData['packages'];
 270          if (getenv('COMPOSER_DEV_MODE') !== '0') {
 271              $packages = array_merge($packages, $lockData['packages-dev']);
 272          }
 273          foreach ($packages as $package) {
 274              yield $package['name'] => $package['version'] . '@' . (
 275                  $package['source']['reference'] ?? $package['dist']['reference'] ?? ''
 276              );
 277          }
 278  
 279          foreach ($rootPackage->getReplaces() as $replace) {
 280              $version = $replace->getPrettyConstraint();
 281              if ($version === 'self.version') {
 282                  $version = $rootPackage->getPrettyVersion();
 283              }
 284  
 285              yield $replace->getTarget() => $version . '@' . $rootPackage->getSourceReference();
 286          }
 287  
 288          yield $rootPackage->getName() => $rootPackage->getPrettyVersion() . '@' . $rootPackage->getSourceReference();
 289      }
 290  }


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