public void DownloadVersion(string latestVersion, string target, bool silent)
{
var url = String.Format("https://github.com/fsprojects/Paket/releases/download/{0}/paket.exe", latestVersion);
if (!silent)
{
Console.WriteLine("Starting download from {0}", url);
}
var request = PrepareWebRequest(url);
using (var httpResponse = (HttpWebResponse)request.GetResponse())
{
using (var httpResponseStream = httpResponse.GetResponseStream())
{
const int bufferSize = 4096;
byte[] buffer = new byte[bufferSize];
var tmpFile = BootstrapperHelper.GetTempFile("paket");
using (var fileStream = File.Create(tmpFile))
{
int bytesRead;
while ((bytesRead = httpResponseStream.Read(buffer, 0, bufferSize)) != 0)
{
fileStream.Write(buffer, 0, bytesRead);
}
}
File.Copy(tmpFile, target, true);
File.Delete(tmpFile);
}
}
}
public void SelfUpdate(string latestVersion, bool silent)
{
var executingAssembly = Assembly.GetExecutingAssembly();
string exePath = executingAssembly.Location;
var localVersion = BootstrapperHelper.GetLocalFileVersion(exePath);
if (localVersion.StartsWith(latestVersion))
{
if (!silent)
{
Console.WriteLine("Bootstrapper is up to date. Nothing to do.");
}
return;
}
var url = String.Format("https://github.com/fsprojects/Paket/releases/download/{0}/paket.bootstrapper.exe", latestVersion);
if (!silent)
{
Console.WriteLine("Starting download of bootstrapper from {0}", url);
}
var request = PrepareWebRequest(url);
string renamedPath = Path.GetTempFileName();
string tmpDownloadPath = Path.GetTempFileName();
using (var httpResponse = (HttpWebResponse)request.GetResponse())
{
using (Stream httpResponseStream = httpResponse.GetResponseStream(), toStream = File.Create(tmpDownloadPath))
{
httpResponseStream.CopyTo(toStream);
}
}
try
{
BootstrapperHelper.FileMove(exePath, renamedPath);
BootstrapperHelper.FileMove(tmpDownloadPath, exePath);
if (!silent)
{
Console.WriteLine("Self update of bootstrapper was successful.");
}
}
catch (Exception)
{
if (!silent)
{
Console.WriteLine("Self update failed. Resetting bootstrapper.");
}
BootstrapperHelper.FileMove(renamedPath, exePath);
throw;
}
}
private static void CancelKeyPressed(object sender, ConsoleCancelEventArgs e)
{
Console.WriteLine("Bootstrapper cancelled");
var folder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var target = Path.Combine(folder, "paket.exe");
var exitCode = 1;
if (File.Exists(target))
{
var localVersion = BootstrapperHelper.GetLocalFileVersion(target);
Console.WriteLine("Detected existing paket.exe ({0}). Cancelling normally.", localVersion);
exitCode = 0;
}
Environment.Exit(exitCode);
}
public void SelfUpdate(string latestVersion, bool silent)
{
var executingAssembly = Assembly.GetExecutingAssembly();
string target = executingAssembly.Location;
var localVersion = BootstrapperHelper.GetLocalFileVersion(target);
if (localVersion.StartsWith(latestVersion))
{
if (!silent)
{
Console.WriteLine("Bootstrapper is up to date. Nothing to do.");
}
return;
}
var apiHelper = new NugetApiHelper(PaketBootstrapperNugetPackageName, NugetSource);
const string paketNupkgFile = "paket.bootstrapper.latest.nupkg";
const string paketNupkgFileTemplate = "paket.bootstrapper.{0}.nupkg";
var getLatestFromNugetUrl = apiHelper.GetLatestPackage();
var paketDownloadUrl = getLatestFromNugetUrl;
var paketFile = paketNupkgFile;
if (!String.IsNullOrWhiteSpace(latestVersion))
{
paketDownloadUrl = apiHelper.GetSpecificPackageVersion(latestVersion);
paketFile = String.Format(paketNupkgFileTemplate, latestVersion);
}
var randomFullPath = Path.Combine(Folder, Path.GetRandomFileName());
Directory.CreateDirectory(randomFullPath);
var paketPackageFile = Path.Combine(randomFullPath, paketFile);
if (Directory.Exists(NugetSource))
{
if (String.IsNullOrWhiteSpace(latestVersion))
{
latestVersion = this.GetLatestVersion(false);
}
var sourcePath = Path.Combine(NugetSource, String.Format(paketNupkgFileTemplate, latestVersion));
if (!silent)
{
Console.WriteLine("Starting download from {0}", sourcePath);
}
File.Copy(sourcePath, paketPackageFile);
}
else
{
if (!silent)
{
Console.WriteLine("Starting download from {0}", paketDownloadUrl);
}
using (var client = new WebClient())
{
PrepareWebClient(client, paketDownloadUrl);
client.DownloadFile(paketDownloadUrl, paketPackageFile);
}
}
ZipFile.ExtractToDirectory(paketPackageFile, randomFullPath);
var paketSourceFile = Path.Combine(randomFullPath, "tools", "paket.bootstrapper.exe");
var renamedPath = BootstrapperHelper.GetTempFile("oldBootstrapper");
try
{
BootstrapperHelper.FileMove(target, renamedPath);
BootstrapperHelper.FileMove(paketSourceFile, target);
if (!silent)
{
Console.WriteLine("Self update of bootstrapper was successful.");
}
}
catch (Exception)
{
if (!silent)
{
Console.WriteLine("Self update failed. Resetting bootstrapper.");
}
BootstrapperHelper.FileMove(renamedPath, target);
throw;
}
Directory.Delete(randomFullPath, true);
}
private static void StartPaketBootstrapping(IDownloadStrategy downloadStrategy, DownloadArguments dlArgs, bool silent)
{
Action <Exception> handleException = exception =>
{
if (!File.Exists(dlArgs.Target))
{
Environment.ExitCode = 1;
}
BootstrapperHelper.WriteConsoleError(String.Format("{0} ({1})", exception.Message, downloadStrategy.Name));
};
try
{
var localVersion = BootstrapperHelper.GetLocalFileVersion(dlArgs.Target);
var latestVersion = dlArgs.LatestVersion;
if (latestVersion == String.Empty)
{
latestVersion = downloadStrategy.GetLatestVersion(dlArgs.IgnorePrerelease);
}
if (dlArgs.DoSelfUpdate)
{
if (!silent)
{
Console.WriteLine("Trying self update");
}
downloadStrategy.SelfUpdate(latestVersion, silent);
}
else
{
var currentSemVer = String.IsNullOrEmpty(localVersion) ? new SemVer() : SemVer.Create(localVersion);
var latestSemVer = SemVer.Create(latestVersion);
if (currentSemVer.CompareTo(latestSemVer) != 0)
{
downloadStrategy.DownloadVersion(latestVersion, dlArgs.Target, silent);
if (!silent)
{
Console.WriteLine("Done.");
}
}
else
{
if (!silent)
{
Console.WriteLine("Paket.exe {0} is up to date.", localVersion);
}
}
}
}
catch (WebException exn)
{
var shouldHandleException = true;
if (!File.Exists(dlArgs.Target))
{
if (downloadStrategy.FallbackStrategy != null)
{
var fallbackStrategy = downloadStrategy.FallbackStrategy;
if (!silent)
{
Console.WriteLine("'{0}' download failed. If using Mono, you may need to import trusted certificates using the 'mozroots' tool as none are contained by default. Trying fallback download from '{1}'.",
downloadStrategy.Name, fallbackStrategy.Name);
}
StartPaketBootstrapping(fallbackStrategy, dlArgs, silent);
shouldHandleException = !File.Exists(dlArgs.Target);
}
}
if (shouldHandleException)
{
handleException(exn);
}
}
catch (Exception exn)
{
handleException(exn);
}
}
private static void StartPaketBootstrapping(IDownloadStrategy downloadStrategy, DownloadArguments dlArgs, bool silent)
{
Action <Exception> handleException = exception =>
{
if (!File.Exists(dlArgs.Target))
{
Environment.ExitCode = 1;
}
BootstrapperHelper.WriteConsoleError(String.Format("{0} ({1})", exception.Message, downloadStrategy.Name));
};
try
{
var localVersion = BootstrapperHelper.GetLocalFileVersion(dlArgs.Target);
var latestVersion = dlArgs.LatestVersion;
if (latestVersion == String.Empty)
{
latestVersion = downloadStrategy.GetLatestVersion(dlArgs.IgnorePrerelease);
}
if (dlArgs.DoSelfUpdate)
{
if (!silent)
{
Console.WriteLine("Trying self update");
}
downloadStrategy.SelfUpdate(latestVersion, silent);
}
else
{
if (!localVersion.StartsWith(latestVersion))
{
downloadStrategy.DownloadVersion(latestVersion, dlArgs.Target, silent);
if (!silent)
{
Console.WriteLine("Done.");
}
}
else
{
if (!silent)
{
Console.WriteLine("Paket.exe {0} is up to date.", localVersion);
}
}
}
}
catch (WebException exn)
{
var shouldHandleException = true;
if (!File.Exists(dlArgs.Target))
{
if (downloadStrategy.FallbackStrategy != null)
{
var fallbackStrategy = downloadStrategy.FallbackStrategy;
if (!silent)
{
Console.WriteLine("'{0}' download failed. Try fallback download from '{1}'.", downloadStrategy.Name, fallbackStrategy.Name);
}
StartPaketBootstrapping(fallbackStrategy, dlArgs, silent);
shouldHandleException = !File.Exists(dlArgs.Target);
}
}
if (shouldHandleException)
{
handleException(exn);
}
}
catch (Exception exn)
{
handleException(exn);
}
}
