anchor.diff:      };
     };
   
  -  plumb = mkDerivation rec {
  +  plumb = mkTmuxPlugin rec {
       pluginName = "plumb";
       version = "0.1.1";
       src = fetchFromGitHub {
  
positive.code:     };
    };
  
    cpu = mkDerivation {
      pluginName = "cpu";
      version = "unstable-2020-07-25";
      src = fetchFromGitHub {
  
negative.code:     };
    };
  
    yank = mkTmuxPlugin {
      pluginName = "yank";
      version = "unstable-2019-12-02";
      src = fetchFromGitHub {
  