{pkgs, ...}: {
  programs.fish = {
    enable = true;
    generateCompletions = true;

    interactiveShellInit = let
      greetings =
        [
          # Official _cry64 quotes
          "Do butterflies cry when they're sad?"
          "I hope they do"
          "I think Alice is lost..."
          "I once again retreat to the sanctuary of my virtual realm"

          # Unknown
          "Welcome weary traveler to my shop"

          # Legend of Zelda
          "It's dangerous to go alone! Take this."

          # ULTRAKILL
          "Something wicked this way comes"
          "May your L's be many... and your bitches few"

          # Terraria
          "What a horrible night to have a curse."
          "The ancient spirits of light and dark have been released."

          # Calamity
          "The god of the stars rejects your offering. The ritual can only be performed at night."
          "You should have just died..."
          "Supreme Witch, Calamitas has killed every player!"

          # Key Fairy
          "A broken heart beats in fractals"

          # Signalis
          "Remember our promise"
        ]
        |> map (x: "\"${x}\"")
        |> builtins.concatStringsSep " ";
    in ''
      # 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 greetings ${greetings}
        echo -n $greetings[(random 1 (count $greetings))]
      end

      function gitignore -a type
        curl -sL "https://www.gitignore.io/api/$type"
      end

      function decompile
        objdump --disassemble --demangle --debugging --debugging-tags $argv | bat --language asm
      end

      set -g fish_greeting (rand_greet)
    '';

    plugins = [
      {
        name = "grc";
        src = pkgs.fishPlugins.grc.src;
      }
    ];
  };
}