anchor.diff:                  + " " + fs.fsType
                   + " " + fs.options
                   + " 0"
  -                + " " + (if fs.fsType == "none" then "0" else if fs.mountPoint == "/" then "1" else "2")
  +                + " " + (if fs.fsType == "none" || fs.noCheck then "0" else
  +                         if fs.mountPoint == "/" then "1" else "2")
                   + "\n"
               )}
   
  
positive.code:           example = "data=journal";
            type = types.string;
            merge = pkgs.lib.concatStringsSep ",";
            description = "
              Option used to mount the file system.
            ";
          };
  
          autocreate = mkOption {
  
negative.code:             Automatically create the mount point defined in
              <option>fileSystems.*.mountPoint</option>.
            ";
          };
  
          noCheck = mkOption {
            default = false;
            type = types.bool;
            description = "Disable running fsck on this filesystem.";
          };
        };
      };
  