{
  config,
  lib,
  pkgs,
  ...
}: {
  options = {
    morphBashToFish = lib.mkEnableOption "morphBashToFish";
  };

  # TODO: make the greeting controllable (ie so my VPS can be different)
  config = {
    programs.fish = {
      enable = true;
      interactiveShellInit = ''
        # add dotnet completions if it exists (ie we're in a virtual environment)
        if type -q dotnet
          complete -f -c dotnet -a "(dotnet complete (commandline -cp))"
        end

        function rand_greet
          set weary "Welcome weary traveller to my shop"
          set alone "It's dangerous to go alone! Take this."
          set sad "Do butterflies cry when they're sad?"
          set alice "I think Alice is lost..."
          set greetings "$weary" "$alone" "$sad" "$alice"
          echo -n $greetings[(random 1 (count $greetings))]
        end

        set -g fish_greeting (rand_greet)
      '';
      plugins = [
        {
          name = "grc";
          src = pkgs.fishPlugins.grc.src;
        }
      ];
    };
  };
}