code: private String findLogLevel(String[] args) {
          for (String s : args) {
              if (s.startsWith("--log=") && s.length()>6) {
                  return s.substring(6);
              }
              if (s.equals("-verbose")) {
                  return "info";
              }
          }
          return "info";
      }
docs: Find the log level setting.