protected override void DownloadVersionCore(string latestVersion, string target, PaketHashFile hashfile)
{
var url = String.Format(Constants.PaketExeDownloadUrlTemplate, latestVersion);
ConsoleImpl.WriteInfo("Starting download from {0}", url);
var tmpFile = BootstrapperHelper.GetTempFile("paket");
WebRequestProxy.DownloadFile(url, tmpFile);
if (!BootstrapperHelper.ValidateHash(FileSystemProxy, hashfile, latestVersion, tmpFile))
{
ConsoleImpl.WriteWarning("Hash of downloaded paket.exe is invalid, retrying once");
WebRequestProxy.DownloadFile(url, tmpFile);
if (!BootstrapperHelper.ValidateHash(FileSystemProxy, hashfile, latestVersion, tmpFile))
{
ConsoleImpl.WriteWarning("Hash of downloaded paket.exe still invalid (Using the file anyway)");
}
else
{
ConsoleImpl.WriteTrace("Hash of downloaded file successfully found in {0}", hashfile);
}
}
else
{
ConsoleImpl.WriteTrace("Hash of downloaded file successfully found in {0}", hashfile);
}
FileSystemProxy.CopyFile(tmpFile, target, true);
FileSystemProxy.DeleteFile(tmpFile);
}
protected override void DownloadVersionCore(string latestVersion, string target, PaketHashFile hashFile)
{
var cached = Path.Combine(PaketCacheDir, latestVersion, "paket.exe");
if (!FileSystemProxy.FileExists(cached))
{
ConsoleImpl.WriteInfo("Version {0} not found in cache.", latestVersion);
DownloadAndPlaceInCache(latestVersion, target, cached, hashFile);
return;
}
FileSystemProxy.WaitForFileFinished(cached);
if (!BootstrapperHelper.ValidateHash(FileSystemProxy, hashFile, latestVersion, cached))
{
ConsoleImpl.WriteWarning("Version {0} found in cache but it's hashFile isn't valid.", latestVersion);
DownloadAndPlaceInCache(latestVersion, target, cached, hashFile);
return;
}
ConsoleImpl.WriteInfo("Copying version {0} from cache.", latestVersion);
ConsoleImpl.WriteTrace("{0} -> {1}", cached, target);
using (var targetStream = FileSystemProxy.CreateExclusive(target))
using (var cachedStream = FileSystemProxy.OpenRead(cached))
{
cachedStream.CopyTo(targetStream);
}
}
protected override void DownloadVersionCore(string latestVersion, string target, string hashfile)
{
var cached = Path.Combine(_paketCacheDir, latestVersion, "paket.exe");
if (!FileSystemProxy.FileExists(cached))
{
ConsoleImpl.WriteInfo("Version {0} not found in cache.", latestVersion);
DownloadAndPlaceInCache(latestVersion, target, cached, hashfile);
return;
}
if (!BootstrapperHelper.ValidateHash(FileSystemProxy, hashfile, latestVersion, cached))
{
ConsoleImpl.WriteWarning("Version {0} found in cache but it's hash isn't valid.", latestVersion);
DownloadAndPlaceInCache(latestVersion, target, cached, hashfile);
return;
}
ConsoleImpl.WriteInfo("Copying version {0} from cache.", latestVersion);
ConsoleImpl.WriteTrace("{0} -> {1}", cached, target);
FileSystemProxy.CopyFile(cached, target, true);
}
