anchor.diff:           --replace 'sed' '${pkgs.gnused}/bin/sed'
       '';
       meta = {
  +      homepage = "https://github.com/duncs/clusterssh/wiki";
         description = "A container for functions of the ClusterSSH programs";
         license = with lib.licenses; [ artistic1 gpl1Plus ];
  -      homepage = "https://github.com/duncs/clusterssh/wiki";
  +      mainProgram = "cssh";
       };
     };
   
  
positive.code:     meta = {
        description = "IO Interface to compressed data files/buffers";
        license = with lib.licenses; [ artistic1 gpl1Plus ];
      };
      # Same as CompressRawZlib
      doCheck = false && !stdenv.isDarwin;
  
negative.code:       homepage = "https://github.com/rurban/perl-compiler";
        description = "Perl compiler";
        license = with lib.licenses; [ artistic1 gpl1Plus ];
        mainProgram = "perlcc";
      };
      doCheck = false; /* test fails */
    };
  