Detect nonexistent/wrong scanFiles and scanDirectories

Author: ondrejmirtes

src/Command/CommandHelper.php

@@ -356,6 +356,26 @@ public static function begin(
 self::executeBootstrapFile($bootstrapFileFromArray, $container, $errorOutput, $debugEnabled);
 }
 
+foreach ($container->getParameter('scanFiles') as $scannedFile) {
+if (is_file($scannedFile)) {
+continue;
+}
+
+$errorOutput->writeLineFormatted(sprintf('Scanned file %s does not exist.', $scannedFile));
+
+throw new \PHPStan\Command\InceptionNotSuccessfulException();
+}
+
+foreach ($container->getParameter('scanDirectories') as $scannedDirectory) {
+if (is_dir($scannedDirectory)) {
+continue;
+}
+
+$errorOutput->writeLineFormatted(sprintf('Scanned directory %s does not exist.', $scannedDirectory));
+
+throw new \PHPStan\Command\InceptionNotSuccessfulException();
+}
+
 /** @var FileFinder $fileFinder */
 $fileFinder = $container->getByType(FileFinder::class);