anchor.diff:    # List packages installed in system profile. To search, run:
     # $ nix search wget
     environment.systemPackages = with pkgs; [
  -    wget vim curl git ag tmux zsh killall
  +    wget vim curl git ag tmux zsh killall mosh
   
       neovim # TODO: python support?
       # TODO: npm?
  
positive.code: 
      rxvt_unicode dmenu polybarFull
  
      firefox google-chrome
      pass gopass gnupg yubikey-personalization yubikey-personalization-gui
      # TODO: keybase gui https://github.com/danielfullmer/nixos-config/blob/master/profiles/yubikey.nix
  
  
negative.code:     gnome3.adwaita-icon-theme
      gnome3.gnome_themes_standard
      gnome3.zenity
      lxappearance awf arandr
  
      traceroute mtr telnet nmap
      # TODO: bpftrace
  