diff --git a/src/Composer/Command/InitCommand.php b/src/Composer/Command/InitCommand.php index aa7213060..cfff0fe29 100644 --- a/src/Composer/Command/InitCommand.php +++ b/src/Composer/Command/InitCommand.php @@ -13,20 +13,22 @@ namespace Composer\Command; use Composer\DependencyResolver\Pool; -use Composer\Json\JsonFile; use Composer\Factory; -use Composer\Repository\RepositoryFactory; +use Composer\Json\JsonFile; use Composer\Package\BasePackage; +use Composer\Package\PackageInterface; use Composer\Package\Version\VersionParser; use Composer\Package\Version\VersionSelector; +use Composer\Repository\ComposerRepository; use Composer\Repository\CompositeRepository; use Composer\Repository\PlatformRepository; +use Composer\Repository\RepositoryFactory; use Composer\Util\ProcessExecutor; use Symfony\Component\Console\Input\InputInterface; use Symfony\Component\Console\Input\InputOption; use Symfony\Component\Console\Output\OutputInterface; -use Symfony\Component\Process\Process; use Symfony\Component\Process\ExecutableFinder; +use Symfony\Component\Process\Process; /** * @author Justin Rainbow @@ -644,6 +646,14 @@ EOT 'Could not find package %s at any version matching your PHP version %s', $name, $phpVersion )); } + $similar = $this->findSimilar($name); + if ($similar) { + throw new \InvalidArgumentException(sprintf( + 'Could not find package %s. Did you mean: %s ?', + $name, + $similar + )); + } throw new \InvalidArgumentException(sprintf( 'Could not find package %s at any version for your minimum-stability (%s). Check the package spelling or your minimum-stability', $name, @@ -653,4 +663,31 @@ EOT return $versionSelector->findRecommendedRequireVersion($package); } + + private function findSimilar($package) + { + $registeredPackages = $this->getPackages(); + $min = (strlen($package) / 4 + 1) * 10 + .1; + $similar = null; + foreach ($registeredPackages as $registeredPackage) { + $levenshtein = levenshtein($package, $registeredPackage, 10, 11, 10); + if ($levenshtein < $min) { + $min = $levenshtein; + $similar = $registeredPackage; + } + } + return $similar; + } + + private function getPackages() + { + $packages = array(); + foreach ($this->repos->getRepositories() as $repository) { + $repositoryPackages = $repository instanceof ComposerRepository ? $repository->getProviderNames() : $repository->getPackages(); + foreach ($repositoryPackages as $repositoryPackage) { + $packages[] = $repositoryPackage instanceof PackageInterface ? $repositoryPackage->getName() : $repositoryPackage; + } + } + return $packages; + } }