getCurrentBranch static method

Future<String?> getCurrentBranch(String? root)

Gets the current Git branch name Returns null if in detached HEAD state or throws GitException if there's an error.

Implementation

static Future<String?> getCurrentBranch(String? root) async {
  try {
    final result = await Process.run('git', ['branch', '--show-current'], workingDirectory: root);

    if (result.exitCode != 0) {
      // In detached HEAD state, this command returns empty output
      final output = result.stdout.toString().trim();
      if (output.isEmpty) {
        return null;
      }
      throw const GitException('Failed to get current branch');
    }

    final output = result.stdout.toString().trim();
    return output.isEmpty ? null : output;
  } on ProcessException catch (e) {
    throw GitException('Git command not found: ${e.message}');
  } catch (e) {
    throw GitException('Unexpected error: $e');
  }
}