Bob\Cli::run PHP Method

    function run($argv = null)
    {
        try {
            $this->opts->parse($argv);
        } catch (Optparse\Exception $e) {
            fwrite(STDERR, "{$e->getMessage()}\n\n");
            fwrite(STDERR, $this->formatUsage());
            return 1;
        }
        $this->application['log.verbose'] = (bool) $this->opts['verbose'];
        $this->application->trace = $this->trace;
        $this->application->forceRun = $this->forceRun;
        if ($this->opts['version']) {
            printf("Bob %s\n", \Bob::VERSION);
            return 0;
        }
        if ($this->opts["init"]) {
            return $this->initProject() ? 0 : 1;
        }
        if ($this->opts["help"]) {
            fwrite(STDERR, $this->formatUsage());
            return 0;
        }
        if ($dir = $this->opts["chdir"]) {
            if (!is_dir($dir)) {
                $this->logger()->err(sprintf('Directory not found: "%s"', $dir));
                return 1;
            }
            $this->logger()->info(sprintf('Changing working directory to "%s"', realpath($dir)));
            chdir($dir);
        }
        $this->application['config.load_path'] = array_merge($this->application['config.load_path'], explode(':', @$_SERVER['BOB_CONFIG_PATH']));
        try {
            $this->application->init();
        } catch (\Exception $e) {
            fwrite(STDERR, $e);
            return 127;
        }
        if ($this->opts["tasks"]) {
            fwrite(STDERR, $this->formatTasksAndDescriptions());
            return 0;
        }
        $this->withErrorHandling(array($this, 'runTasks'));
    }