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<?php |
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declare(strict_types=1); |
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namespace PackageVersions; |
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use Generator; |
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use OutOfBoundsException; |
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use UnexpectedValueException; |
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use function array_key_exists; |
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use function array_merge; |
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use function file_exists; |
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use function file_get_contents; |
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use function getcwd; |
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use function iterator_to_array; |
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use function json_decode; |
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use function json_encode; |
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use function sprintf; |
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/** |
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* @internal |
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* |
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* This is a fallback for {@see \PackageVersions\Versions::getVersion()} |
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* Do not use this class directly: it is intended to be only used when |
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* {@see \PackageVersions\Versions} fails to be generated, which typically |
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* happens when running composer with `--no-scripts` flag) |
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*/ |
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final class FallbackVersions |
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{ |
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public const ROOT_PACKAGE_NAME = 'unknown/root-package@UNKNOWN'; |
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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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* @throws UnexpectedValueException If the composer.lock file could not be located. |
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*/ |
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public static function getVersion(string $packageName) : string |
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{ |
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$versions = iterator_to_array(self::getVersions(self::getComposerLockPath())); |
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if (! array_key_exists($packageName, $versions)) { |
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1 |
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throw new OutOfBoundsException( |
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'Required package "' . $packageName . '" is not installed: check your ./vendor/composer/installed.json and/or ./composer.lock files' |
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); |
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} |
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return $versions[$packageName]; |
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} |
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/** |
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* @throws UnexpectedValueException |
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*/ |
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private static function getComposerLockPath() : string |
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{ |
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$checkedPaths = [ |
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// The top-level project's ./vendor/composer/installed.json |
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getcwd() . '/vendor/composer/installed.json', |
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// The top-level project's ./composer.lock |
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getcwd() . '/composer.lock', |
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// This package's composer.lock |
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__DIR__ . '/../../composer.lock', |
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]; |
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foreach ($checkedPaths as $path) { |
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if (file_exists($path)) { |
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return $path; |
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} |
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} |
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throw new UnexpectedValueException(sprintf( |
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'PackageVersions could not locate the `vendor/composer/installed.json` or your `composer.lock` ' |
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. 'location. This is assumed to be in %s. If you customized your composer vendor directory and ran composer ' |
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. 'installation with --no-scripts or if you deployed without the required composer files, then you are on ' |
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1 |
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. 'your own, and we can\'t really help you. Fix your shit and cut the tooling some slack.', |
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1 |
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json_encode($checkedPaths) |
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)); |
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} |
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private static function getVersions(string $composerLockFile) : Generator |
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{ |
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$lockData = json_decode(file_get_contents($composerLockFile), true); |
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if (array_key_exists('content-hash', $lockData)) { |
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// assume a composer.lock file and merge the packages and packages-dev into an array |
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$lockData = array_merge($lockData['packages'], $lockData['packages-dev'] ?? []); |
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} |
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3 |
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foreach ($lockData 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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yield self::ROOT_PACKAGE_NAME; |
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} |
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} |
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Ocramius /
PackageVersions
