anchor.diff:      ];
     };
   
  -  python-global = [
  -    (python27Full.buildEnv.override {
  -      extraLibs = with python27Packages; [
  -        jedi
  -      ];
  -    })
  -    (python3.buildEnv.override {
  -      extraLibs = with python35Packages; [
  -        jedi
  -      ];
  -    })
  -  ];
  -
     games = pkg-set {
       linux = [
         (dwarf-fortress.override {
  
positive.code:       nmap
        fasd
        gnumake
      ];
  
      linux = [
  
negative.code:           ++ dev-tools
            ++ go-env
            ++ node-env
            ++ x11
            ++ games;
        };
  