{ buildApp, nextcloudVersion }:
assert nextcloudVersion >= 17 && nextcloudVersion <= 19;
buildApp rec {
  appName = "calendar";
  version = "2.0.3";
  url = "https://github.com/nextcloud/${appName}/releases/download/v${version}/${appName}.tar.gz";
  sha256 = "17pjsa657p9n1kslqkfcxd6n4ssh2yd4f5l5ww79mixfs34idbl9";
}