public int Run()

in build/Shell.cs [63:121]
55 lines of code
8 McCabe index (conditional complexity)

            public int Run(Action<string> outputCallback = null, Action<string> errorCallback = null)
            {
                var processInfo = new ProcessStartInfo
                {
                    FileName = _exeName,
                    Arguments = _arguments,
                    CreateNoWindow = !_visibleProcess,
                    UseShellExecute = _shareConsole,
                    RedirectStandardError = _streamOutput,
                    RedirectStandardInput = _streamOutput,
                    RedirectStandardOutput = _streamOutput,
                    WorkingDirectory = Directory.GetCurrentDirectory()
                };

                Process process = null;

                try
                {
                    process = Process.Start(processInfo);
                }
                catch (Win32Exception ex)
                {
                    if (ex.Message == "The system cannot find the file specified")
                    {
                        throw new FileNotFoundException(ex.Message, ex);
                    }
                    throw ex;
                }

                if (_streamOutput)
                {
                    if (outputCallback != null)
                    {
                        process.OutputDataReceived += (s, e) =>
                        {
                            if (e.Data != null)
                            {
                                outputCallback(e.Data);
                            }
                        };
                        process.BeginOutputReadLine();
                    }

                    if (errorCallback != null)
                    {
                        process.ErrorDataReceived += (s, e) =>
                        {
                            if (!string.IsNullOrWhiteSpace(e.Data))
                            {
                                errorCallback(e.Data);
                            }
                        };
                        process.BeginErrorReadLine();
                    }
                    process.EnableRaisingEvents = true;
                }
                process.WaitForExit();
                return process.ExitCode;
            }