public void DownloadVersion(string latestVersion, string target)
{
var url = String.Format(Constants.PaketExeDownloadUrlTemplate, latestVersion);
ConsoleImpl.WriteDebug("Starting download from {0}", url);
var tmpFile = BootstrapperHelper.GetTempFile("paket");
using (var fileStream = FileProxy.Create(tmpFile))
{
WebRequestProxy.DownloadFile(url, fileStream, HttpBufferSize);
}
FileProxy.Copy(tmpFile, target, true);
FileProxy.Delete(tmpFile);
}
public void SelfUpdate(string latestVersion)
{
var executingAssembly = Assembly.GetExecutingAssembly();
string exePath = executingAssembly.Location;
var localVersion = FileProxy.GetLocalFileVersion(exePath);
if (localVersion.StartsWith(latestVersion))
{
ConsoleImpl.WriteDebug("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);
ConsoleImpl.WriteDebug("Starting download of bootstrapper from {0}", url);
string renamedPath = BootstrapperHelper.GetTempFile("oldBootstrapper");
string tmpDownloadPath = BootstrapperHelper.GetTempFile("newBootstrapper");
using (var toStream = FileProxy.Create(tmpDownloadPath))
{
WebRequestProxy.DownloadFile(url, toStream, HttpBufferSize);
}
try
{
FileProxy.FileMove(exePath, renamedPath);
FileProxy.FileMove(tmpDownloadPath, exePath);
ConsoleImpl.WriteDebug("Self update of bootstrapper was successful.");
}
catch (Exception)
{
ConsoleImpl.WriteDebug("Self update failed. Resetting bootstrapper.");
FileProxy.FileMove(renamedPath, exePath);
throw;
}
}
