rose-pine-nix/home-manager/bat.nix

{ config, pkgs, lib, ... }:
let cfg = config.programs.bat.catppuccin; in
{
  options.programs.bat.catppuccin = {
    enable = lib.mkEnableOption "Catppuccin theme";
    flavour = lib.mkOption {
      type = lib.types.enum [ "latte" "frappe" "macchiato" "mocha" ];
      default = config.catppuccin.flavour;
      description = "Catppuccin flavour for bat";
    };
  };

  config = {
    home.activation.batCache = "${pkgs.bat}/bin/bat cache --build";

    programs.bat = lib.mkIf cfg.enable {
      enable = true;
      config.theme = "Catppuccin-${cfg.flavour}";
      themes."Catppuccin-${cfg.flavour}" = builtins.readFile (pkgs.fetchFromGitHub
        {
          owner = "catppuccin";
          repo = "bat";
          rev = "ba4d16880d63e656acced2b7d4e034e4a93f74b1";
          sha256 = "sha256-6WVKQErGdaqb++oaXnY3i6/GuH2FhTgK0v4TN4Y0Wbw=";
        } + /Catppuccin-${cfg.flavour}.tmTheme);
    };
  };
}