private async Task <RestoreSummary> PerformNuGetV2RestoreAsync(PackageRestoreInputs packageRestoreInputs)
{
ReadSettings(packageRestoreInputs);
var packagesFolderPath = GetPackagesFolder(packageRestoreInputs);
var sourceRepositoryProvider = new CommandLineSourceRepositoryProvider(SourceProvider);
var nuGetPackageManager = new NuGetPackageManager(sourceRepositoryProvider, Settings, packagesFolderPath);
var installedPackageReferences = new HashSet <Packaging.PackageReference>(new PackageReferenceComparer());
if (packageRestoreInputs.RestoringWithSolutionFile)
{
installedPackageReferences.AddRange(packageRestoreInputs
.PackagesConfigFiles
.SelectMany(file => GetInstalledPackageReferences(file, allowDuplicatePackageIds: true)));
}
else if (packageRestoreInputs.PackagesConfigFiles.Count > 0)
{
// By default the PackageReferenceFile does not throw
// if the file does not exist at the specified path.
// So we'll need to verify that the file exists.
Debug.Assert(packageRestoreInputs.PackagesConfigFiles.Count == 1,
"Only one packages.config file is allowed to be specified " +
"at a time when not performing solution restore.");
var packageReferenceFile = packageRestoreInputs.PackagesConfigFiles[0];
if (!File.Exists(packageReferenceFile))
{
var message = string.Format(
CultureInfo.CurrentCulture,
LocalizedResourceManager.GetString("RestoreCommandFileNotFound"),
packageReferenceFile);
throw new InvalidOperationException(message);
}
installedPackageReferences.AddRange(
GetInstalledPackageReferences(packageReferenceFile, allowDuplicatePackageIds: true));
}
// EffectivePackageSaveMode is None when -PackageSaveMode is not provided by the user. None is treated as
// Defaultv3 for V3 restore and should be treated as Defaultv2 for V2 restore. This is the case in the
// actual V2 restore flow and should match in this preliminary missing packages check.
var packageSaveMode = EffectivePackageSaveMode == Packaging.PackageSaveMode.None ?
Packaging.PackageSaveMode.Defaultv2 :
EffectivePackageSaveMode;
var missingPackageReferences = installedPackageReferences.Where(reference =>
!nuGetPackageManager.PackageExistsInPackagesFolder(reference.PackageIdentity, packageSaveMode)).ToArray();
if (missingPackageReferences.Length == 0)
{
var message = string.Format(
CultureInfo.CurrentCulture,
LocalizedResourceManager.GetString("InstallCommandNothingToInstall"),
"packages.config");
Console.LogMinimal(message);
return(new RestoreSummary(true));
}
var packageRestoreData = missingPackageReferences.Select(reference =>
new PackageRestoreData(
reference,
new[] { packageRestoreInputs.RestoringWithSolutionFile
? packageRestoreInputs.DirectoryOfSolutionFile
: packageRestoreInputs.PackagesConfigFiles[0] },
isMissing: true));
var packageSources = GetPackageSources(Settings);
var repositories = packageSources
.Select(sourceRepositoryProvider.CreateRepository)
.ToArray();
var installCount = 0;
var failedEvents = new ConcurrentQueue <PackageRestoreFailedEventArgs>();
var packageRestoreContext = new PackageRestoreContext(
nuGetPackageManager,
packageRestoreData,
CancellationToken.None,
packageRestoredEvent: (sender, args) => { Interlocked.Add(ref installCount, args.Restored ? 1 : 0); },
packageRestoreFailedEvent: (sender, args) => { failedEvents.Enqueue(args); },
sourceRepositories: repositories,
maxNumberOfParallelTasks: DisableParallelProcessing
? 1
: PackageManagementConstants.DefaultMaxDegreeOfParallelism);
CheckRequireConsent();
var collectorLogger = new RestoreCollectorLogger(Console);
var signedPackageVerifier = new PackageSignatureVerifier(
SignatureVerificationProviderFactory.GetSignatureVerificationProviders(),
SignedPackageVerifierSettings.Default);
var projectContext = new ConsoleProjectContext(collectorLogger)
{
PackageExtractionContext = new PackageExtractionContext(
Packaging.PackageSaveMode.Defaultv2,
PackageExtractionBehavior.XmlDocFileSaveMode,
collectorLogger,
signedPackageVerifier)
};
if (EffectivePackageSaveMode != Packaging.PackageSaveMode.None)
{
projectContext.PackageExtractionContext.PackageSaveMode = EffectivePackageSaveMode;
}
using (var cacheContext = new SourceCacheContext())
{
cacheContext.NoCache = NoCache;
cacheContext.DirectDownload = DirectDownload;
var downloadContext = new PackageDownloadContext(cacheContext, packagesFolderPath, DirectDownload);
var result = await PackageRestoreManager.RestoreMissingPackagesAsync(
packageRestoreContext,
projectContext,
downloadContext);
if (downloadContext.DirectDownload)
{
GetDownloadResultUtility.CleanUpDirectDownloads(downloadContext);
}
return(new RestoreSummary(
result.Restored,
"packages.config projects",
Settings.Priority.Select(x => Path.Combine(x.Root, x.FileName)),
packageSources.Select(x => x.Source),
installCount,
collectorLogger.Errors.Concat(failedEvents.Select(e => new RestoreLogMessage(LogLevel.Error, NuGetLogCode.Undefined, e.Exception.Message)))));
}
}
private CommandLineSourceRepositoryProvider GetSourceRepositoryProvider()
{
var sourceRepositoryProvider = new CommandLineSourceRepositoryProvider(SourceProvider);
return(sourceRepositoryProvider);
}