Bootstrapper.Program.Main C# (CSharp) Method

        public static int Main(string[] args)
        {
            string exeDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), "NuGet");
            string exePath = Path.Combine(exeDir, @"NuGet.exe");
            try
            {
                var processInfo = new ProcessStartInfo(exePath)
                {
                    UseShellExecute = false,
                    WorkingDirectory = Environment.CurrentDirectory
                };

                if (!File.Exists(exePath))
                {
                    var document = GetConfigDocument();
                    EnsurePackageRestoreConsent(document);
                    ProxyCache.Instance = new ProxyCache(document);
                    // Register a console based credentials provider so that the user get's prompted if a password
                    // is required for the proxy
                    // Setup IHttpClient for the Gallery to locate packages
                    if (!Directory.Exists(exeDir))
                    {
                        Directory.CreateDirectory(exeDir);
                    }
                    
                    new HttpClient().DownloadData(exePath);
                }
                else if ((DateTime.UtcNow - File.GetLastWriteTimeUtc(exePath)).TotalDays > 10)
                {
                    // Check for updates to the exe every 10 days
                    processInfo.Arguments = "update -self";
                    RunProcess(processInfo);
                    File.SetLastWriteTimeUtc(exePath, DateTime.UtcNow);
                }

                processInfo.Arguments = ParseArgs();
                RunProcess(processInfo);
                return 0;
            }
            catch (Exception e)
            {
                WriteError(e);
            }

            return 1;
        }