anchor.diff:        python27Full
         python3
         direnv
  +      unzip
       ];
   
       linux = [
  
positive.code:     linux = [
        pavucontrol
        feh
      ];
    };
  
    games = pkg-set {
      linux = [
        (dwarf-fortress.override {
          theme = dwarf-fortress-packages.cla-theme;
        })
      ];
    };
  in
  
negative.code:         paths =
            nvim-paths
            ++ nix-tools
            ++ linux-tools
            ++ my-tools
            ++ security
            ++ dev-tools
            ++ go-env
            ++ node-env
            ++ x11;
        };
  
        python2-tools = pkgs.buildEnv {
  