anchor.diff:      };
     };
   
  -  tilish = mkDerivation {
  +  tilish = mkTmuxPlugin {
       pluginName = "tilish";
       version = "2020-08-12";
       src = fetchFromGitHub {
  
positive.code:     };
    };
  
    dracula = mkDerivation rec {
      pluginName = "dracula";
      version = "unstable-2021-02-18";
      src = fetchFromGitHub {
  
negative.code:       sha256 = "1zg9k8yk1iw01vl8m44w4sv20lln4l0lq9dafc09lxmgxm9dllj4";
      };
    };
  }
  