pharext\Updater::run PHP Method

    public function run($argc, array $argv)
    {
        $errs = [];
        $prog = array_shift($argv);
        foreach ($this->args->parse(--$argc, $argv) as $error) {
            $errs[] = $error;
        }
        if ($this->args["help"]) {
            $this->header();
            $this->help($prog);
            exit;
        }
        try {
            foreach (["signature", "license", "version"] as $opt) {
                if ($this->args[$opt]) {
                    printf("%s\n", $this->metadata($opt));
                    exit;
                }
            }
        } catch (\Exception $e) {
            $this->error("%s\n", $e->getMessage());
            exit(self::EARGS);
        }
        foreach ($this->args->validate() as $error) {
            $errs[] = $error;
        }
        if ($errs) {
            if (!$this->args["quiet"]) {
                $this->header();
            }
            foreach ($errs as $err) {
                $this->error("%s\n", $err);
            }
            printf("\n");
            if (!$this->args["quiet"]) {
                $this->help($prog);
            }
            exit(self::EARGS);
        }
        foreach ($this->args[0] as $file) {
            $info = new SplFileInfo($file);
            while ($info->isLink()) {
                $info = new SplFileInfo($info->getLinkTarget());
            }
            if ($info->isFile()) {
                if (!$this->updatePackage($info)) {
                    $this->warn("Cannot upgrade pre-v3 packages\n");
                }
            } else {
                $this->error("File '%s' does not exist\n", $file);
                exit(self::EARGS);
            }
        }
    }