Command for clearing result cache

Author: ondrejmirtes

bin/phpstan

@@ -2,6 +2,7 @@
 <?php declare(strict_types=1);
 
 use PHPStan\Command\AnalyseCommand;
+use PHPStan\Command\ClearResultCacheCommand;
 use PHPStan\Command\DumpDependenciesCommand;
 use PHPStan\Command\WorkerCommand;
 
@@ -75,5 +76,6 @@ use PHPStan\Command\WorkerCommand;
 	$application->add(new AnalyseCommand($reversedComposerAutoloaderProjectPaths));
 	$application->add(new DumpDependenciesCommand($reversedComposerAutoloaderProjectPaths));
 	$application->add(new WorkerCommand($reversedComposerAutoloaderProjectPaths));
+	$application->add(new ClearResultCacheCommand($reversedComposerAutoloaderProjectPaths));
 	$application->run();
 })();

src/Analyser/ResultCache/ResultCacheManager.php

@@ -405,4 +405,18 @@ private function getStubFiles(): array
 		return $stubFiles;
 	}
 
+	public function clear(): string
+	{
+		if (!is_file($this->cacheFilePath)) {
+			return dirname($this->cacheFilePath);
+		}
+
+		@unlink($this->cacheFilePath);
+		if (is_file($this->cacheFilePath)) {
+			throw new \PHPStan\ShouldNotHappenException('File still exists.');
+		}
+
+		return dirname($this->cacheFilePath);
+	}
+
 }

src/Command/ClearResultCacheCommand.php

@@ -0,0 +1,82 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Command;
+
+use PHPStan\Analyser\ResultCache\ResultCacheManager;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class ClearResultCacheCommand extends Command
+{
+
+	private const NAME = 'clear-result-cache';
+
+	/** @var string[] */
+	private $composerAutoloaderProjectPaths;
+
+	/**
+	 * @param string[] $composerAutoloaderProjectPaths
+	 */
+	public function __construct(
+		array $composerAutoloaderProjectPaths
+	)
+	{
+		parent::__construct();
+		$this->composerAutoloaderProjectPaths = $composerAutoloaderProjectPaths;
+	}
+
+	protected function configure(): void
+	{
+		$this->setName(self::NAME)
+			->setDescription('Clears the result cache.')
+			->setDefinition([
+				new InputOption('configuration', 'c', InputOption::VALUE_REQUIRED, 'Path to project configuration file'),
+				new InputOption('autoload-file', 'a', InputOption::VALUE_REQUIRED, 'Project\'s additional autoload file path'),
+			]);
+	}
+
+	protected function execute(InputInterface $input, OutputInterface $output): int
+	{
+		$autoloadFile = $input->getOption('autoload-file');
+		$configuration = $input->getOption('configuration');
+
+		if (
+			(!is_string($autoloadFile) && $autoloadFile !== null)
+			|| (!is_string($configuration) && $configuration !== null)
+		) {
+			throw new \PHPStan\ShouldNotHappenException();
+		}
+
+		try {
+			$inceptionResult = CommandHelper::begin(
+				$input,
+				$output,
+				['.'],
+				null,
+				null,
+				$autoloadFile,
+				$this->composerAutoloaderProjectPaths,
+				$configuration,
+				'0',
+				false,
+				false
+			);
+		} catch (\PHPStan\Command\InceptionNotSuccessfulException $e) {
+			return 1;
+		}
+
+		$container = $inceptionResult->getContainer();
+
+		/** @var ResultCacheManager $resultCacheManager */
+		$resultCacheManager = $container->getByType(ResultCacheManager::class);
+		$path = $resultCacheManager->clear();
+
+		$output->writeln('<info>Result cache cleared from directory:</info>');
+		$output->writeln($path);
+
+		return 0;
+	}
+
+}