anchor.diff:  
       # Tools
       autojump
  +    automake
       awscli
       coreutils
       # TODO: csvprintf (create package)
  
positive.code:     nix-repl
  
      # Shell
      fish
  
      # SML
  
negative.code:     gnused
      gnutar
      highlight
      htop
      mosh
      # TODO: p7zip
      rlwrap
      silver-searcher
      # FIXME: sshfs-fuse
      sloccount
      tree
      wakatime # FIXME: update to 6.2.
      watchman
  
      # Virtualization
      # FIXME: xhyve
  