cli.dart

import 'package:path/path.dart' as p;
import 'package:universal_io/io.dart';

part 'dart_cli.dart';
part 'flutter_cli.dart';

/// Abstraction for running commands via command-line.
class _Cmd {
  /// Runs the specified [cmd] with the provided [args].
  static Future<ProcessResult> run(
    String cmd,
    List<String> args, {
    bool throwOnError = true,
    String? workingDirectory,
  }) async {
    final result = await Process.run(
      cmd,
      args,
      workingDirectory: workingDirectory,
      runInShell: true,
    );

    if (throwOnError) {
      _throwIfProcessFailed(result, cmd, args);
    }
    return result;
  }

  static void _throwIfProcessFailed(
    ProcessResult pr,
    String process,
    List<String> args,
  ) {
    if (pr.exitCode != 0) {
      final values = {
        'Standard out': pr.stdout.toString().trim(),
        'Standard error': pr.stderr.toString().trim()
      }..removeWhere((k, v) => v.isEmpty);

      var message = 'Unknown error';
      if (values.isNotEmpty) {
        message = values.entries.map((e) => '${e.key}\n${e.value}').join('\n');
      }

      throw ProcessException(process, args, message, pr.exitCode);
    }
  }
}