anchor.diff:  
       # Git
       git
  -    git-crypt
  -    git-lfs
  +    # git-crypt
  +    # git-lfs
       # TODO: gitAndTools.ghi (add package)
       # NOTE: https://github.com/petervanderdoes/gitflow-avh
       gitAndTools.gitflow
  
positive.code:   # '';
  
    programs.fish.interactiveShellInit = ''
      function hicat -d 'Hackish hicat clone via highlight'
        highlight -O xterm256 $argv | less -cR
      end
  
      eval (direnv hook fish)
  
  
negative.code: 
      # Lisp/Scheme
      # clisp-tip # FIXME: https://github.com/NixOS/nixpkgs/issues/20062
      # guile
      # FIXME: racket
      sbcl
  
  