{
  config,
  lib,
  pkgs,
  self,
  ...
}: {
  home-manager.users.${config.user} = {
    # install keys into gpg keyring
    programs.gpg = {
      enable = true;
      # FIXME: this is broken, fails during home-manager activation :(
      #
      # publicKeys =
      #   map (path: {
      #     source = path;
      #     trust = 5;
      #   })
      #   self.lib.gpgKeys;
    };

    # global gpg agent
    services.gpg-agent = {
      enable = true;
      enableExtraSocket = true;
      enableSshSupport = true;
      pinentry.package = pkgs.pinentry-curses;
    };
  };
}