private async Task PerformV2RestoreAsync(string packagesConfigFilePath, string installPath)
{
var sourceRepositoryProvider = GetSourceRepositoryProvider();
var nuGetPackageManager = new NuGetPackageManager(sourceRepositoryProvider, Settings, installPath, ExcludeVersion);
var installedPackageReferences = GetInstalledPackageReferences(
packagesConfigFilePath,
allowDuplicatePackageIds: true);
var packageRestoreData = installedPackageReferences.Select(reference =>
new PackageRestoreData(
reference,
new[] { packagesConfigFilePath },
isMissing: true));
var packageSources = GetPackageSources(Settings);
Console.PrintPackageSources(packageSources);
var failedEvents = new ConcurrentQueue <PackageRestoreFailedEventArgs>();
var packageRestoreContext = new PackageRestoreContext(
nuGetPackageManager,
packageRestoreData,
CancellationToken.None,
packageRestoredEvent: null,
packageRestoreFailedEvent: (sender, args) => { failedEvents.Enqueue(args); },
sourceRepositories: packageSources.Select(sourceRepositoryProvider.CreateRepository),
maxNumberOfParallelTasks: DisableParallelProcessing ? 1 : PackageManagementConstants.DefaultMaxDegreeOfParallelism,
logger: Console);
var missingPackageReferences = installedPackageReferences.Where(reference =>
!nuGetPackageManager.PackageExistsInPackagesFolder(reference.PackageIdentity)).Any();
if (!missingPackageReferences)
{
var message = string.Format(
CultureInfo.CurrentCulture,
LocalizedResourceManager.GetString("InstallCommandNothingToInstall"),
packagesConfigFilePath);
Console.LogMinimal(message);
}
using (var cacheContext = new SourceCacheContext())
{
cacheContext.NoCache = NoCache;
cacheContext.DirectDownload = DirectDownload;
var clientPolicyContext = ClientPolicyContext.GetClientPolicy(Settings, Console);
var projectContext = new ConsoleProjectContext(Console)
{
PackageExtractionContext = new PackageExtractionContext(
Packaging.PackageSaveMode.Defaultv2,
PackageExtractionBehavior.XmlDocFileSaveMode,
clientPolicyContext,
Console)
};
var downloadContext = new PackageDownloadContext(cacheContext, installPath, DirectDownload)
{
ClientPolicyContext = clientPolicyContext
};
var result = await PackageRestoreManager.RestoreMissingPackagesAsync(
packageRestoreContext,
projectContext,
downloadContext);
if (downloadContext.DirectDownload)
{
GetDownloadResultUtility.CleanUpDirectDownloads(downloadContext);
}
// Use failure count to determine errors. result.Restored will be false for noop restores.
if (failedEvents.Count > 0)
{
// Log errors if they exist
foreach (var message in failedEvents.Select(e => new RestoreLogMessage(LogLevel.Error, NuGetLogCode.Undefined, e.Exception.Message)))
{
await Console.LogAsync(message);
}
throw new ExitCodeException(1);
}
}
}