{
  pkgs,
  config,
  lib,
  ...
}:
{
  programs.bat = {
    enable = true;

    extraPackages = with pkgs.bat-extras; [
      batdiff
      batman
    ];

    rose-pine.enable = true;

    config = {
      style = "auto";
    };
  };

  home.sessionVariables = lib.mkIf config.home.preferXdgDirectories {
    BATDIFF_USE_DELTA = "true";
  };

  programs.fish = lib.mkIf config.programs.fish.enable {
    functions = {
      cat = {
        wraps = "bat";
        body = # fish
          "bat $argv";
      };

      cath = {
        wraps = "bat";
        body = # fish
          "bat --plain --language=help $argv";
      };
    };

    shellAbbrs = {
      B = {
        position = "anywhere";
        setCursor = true;
        expansion = # fish
          "% | bat";
      };

      "-h" = {
        position = "anywhere";
        expansion = # fish
          "-h | cath";
      };

      "--help" = {
        position = "anywhere";
        expansion = # fish
          "--help | cath";
      };

      help = {
        position = "anywhere";
        expansion = # fish
          "help | cath";
      };
    };
  };
}