{
  config,
  lib,
  pkgs,
  ...
}:
{
  config.my.scripts.update-org-agenda-cache = {
    enable = lib.mkDefault false;
    install = config.my.emacs.enable;
    service = config.my.emacs.enable;
    name = "update-org-agenda-cache";
    timer = "*:0/30";
    description = "runs a function which builds a cache file.";
    package = pkgs.writeScriptBin "update-org-agenda-cache" ''
      #!/usr/bin/env nix-shell
      #! nix-shell -i bash -p bash
      ${config.services.emacs.package}/bin/emacsclient --eval '(my/update-org-agenda-cache)'
    '';
  };
}