{upkgs, ...}: {
  home.packages = with upkgs; [
    wallust
  ];

  # writes ./wallust.toml to ~/.config/wallust/wallust.toml
  xdg.configFile."wallust/wallust.toml" = {
    source = ./wallust.toml;
  };

  # writes ./templates to ~/.config/wallust/templates
  xdg.configFile."wallust/templates" = {
    recursive = true;
    source = ./templates;
  };
}