anchor.diff:      gdb
       gnumake
       ruby
  +    HEAD.bundler_HEAD
  +    HEAD.bundix
       # For haskell development via `nix-shell`; run `sudo nix-channel --add
       # <nixpkgs-unstable>`, then do `sudo nix-channel --update`.
       # <nixpkgs-unstable> is located at
  
positive.code:     cmus
      evince
      pidgin
      HEAD.texLiveFull
    ];
  
  
negative.code:     mutt
      htop
      dhcpcd
      utillinuxCurses
  
      # Archiving
      p7zip
      unzip
      lzma
      unrar
  
      # Programming tools
      git
  