import 'dart:io' show File;

import 'package:package_config/package_config.dart';

// fire ./app/bin/main.dart
Future<void> main(List<String> arguments) async {
  var filePath = arguments[0];
  var file = File(filePath);

  var config = await findPackageConfig(file.parent);
  String? configPath;

  if (config != null) {
    // getter like this
    configPath = config.relativePath;
  }

  // ./app/.dart_tool/package_config.json
  print(configPath);
}