anchor.diff:  String pubserver;
   bool force = false;
   bool pubVerbose = false;
  +bool retryRequest = false;
  +bool retryAuto = false;
   int limit;
  +List failedUpload = [];
  +List completedUpload = [];
   
   // Authentication stuff
   
  
positive.code:   parser.addFlag("force", help: "Force client library update even if no changes", negatable: false);
    parser.addFlag("pub", help: "Publish library to pub", negatable: false);
    parser.addFlag("pub-verbose", help: "Make pub output verbose", negatable: false);
    parser.addFlag("help", abbr: "h", help: "Display this information and exit", negatable: false);
  
    var result;
  
negative.code:     if (result["pub-verbose"] != null && result["pub-verbose"] == true) {
        pubVerbose = true;
      }
  
      if (result["retry-request"] != null && result["retry-request"] == true) {
        retryRequest = true;
      }
  
      if (result["retry-auto"] != null && result["retry-auto"] == true) {
        retryAuto = true;
      }
    }
  
    if (result["limit"] != null) limit = int.parse(result["limit"]);
  