ManifestNotFoundException example

protected function configure(): void
    {
        $this->addArgument('name', InputArgument::OPTIONAL, 'The name of the app, has also to be the name of the folder under which the app can be found under custom/apps.');
    }

    /** * @return Manifest[] */
    private function getManifestsFromDir(string $dir): array
    {
        if (!file_exists($dir)) {
            throw new ManifestNotFoundException($dir);
        }

        $finder = new Finder();
        $finder->in($dir)
            ->depth('<= 1')
            ->name('manifest.xml');

        $manifests = [];
        foreach ($finder->files() as $xml) {
            $manifests[] = Manifest::createFromXmlFile($xml->getPathname());
        }