160_request = request ?? throw new ArgumentNullException(nameof(request));

164if (_request.LockFileVersion < LockFileFormat.LegacyVersion || _request.LockFileVersion > LockFileFormat.Version) 168message: $"Assets file version {_request.LockFileVersion} is not supported."); 174var collectorLogger = new RestoreCollectorLogger(_request.Log, collectorLoggerHideWarningsAndErrors); 176collectorLogger.ApplyRestoreInputs(_request.Project); 181_isLockFileEnabled = PackagesLockFileUtilities.IsNuGetLockFileEnabled(_request.Project); 182_enableNewDependencyResolver = _request.Project.RuntimeGraph.Supports.Count == 0 && ShouldUseNewResolverWithLockFile(_isLockFileEnabled, _request.Project) && !_request.Project.RestoreMetadata.UseLegacyDependencyResolver; 183EnvironmentVariableReader = _request.EnvironmentVariableReader; 205int httpSourcesCount = _request.DependencyProviders.RemoteProviders.Count(e => e.IsHttp); 207_request.Project.RestoreMetadata?.RestoreAuditProperties, 208_request.Project.FilePath, 217_request.DependencyProviders.GlobalPackages 220localRepositories.AddRange(_request.DependencyProviders.FallbackPackageFolders); 222var contextForProject = CreateRemoteWalkContext(_request, _logger); 229if (NoOpRestoreUtilities.IsNoOpSupported(_request)) 242bool success = !_request.AdditionalMessages?.Any(m => m.Level == LogLevel.Error) ?? true; 245var packagesLockFilePath = PackagesLockFileUtilities.GetNuGetLockFilePath(_request.Project); 256AnalyzePruningResults(_request.Project, telemetry.TelemetryEvent, _logger); 273if (CommandsEventSource.Instance.IsEnabled()) CommandsEventSource.Instance.RestoreCommand_BuildAssetsFileStart(_request.Project.FilePath); 276_request.ExistingLockFile, 277_request.Project, 282if (CommandsEventSource.Instance.IsEnabled()) CommandsEventSource.Instance.RestoreCommand_BuildAssetsFileStop(_request.Project.FilePath); 292_request.Project, 297_request.ValidateRuntimeAssets, 340_request.ExistingLockFile, 346dependencyGraphSpecFilePath: NoOpRestoreUtilities.GetPersistedDGSpecFilePath(_request), 347dependencyGraphSpec: _request.DependencyGraphSpec, 348_request.ProjectStyle, 353DoNotWriteDependencyGraphSpec = _request.Project.RestoreMetadata.RestoreDoNotWriteDependencyGraphSpec 368success &= AreCentralVersionRequirementsSatisfied(_request, httpSourcesCount); 379telemetry.TelemetryEvent.AddPiiData(ProjectFilePath, _request.Project.FilePath); 380bool isPackageSourceMappingEnabled = _request.PackageSourceMapping?.IsEnabled ?? false; 382telemetry.TelemetryEvent[SourcesCount] = _request.DependencyProviders.RemoteProviders.Count; 384telemetry.TelemetryEvent[LocalSourcesCount] = _request.DependencyProviders.RemoteProviders.Count - httpSourcesCount; 385telemetry.TelemetryEvent[FallbackFoldersCount] = _request.DependencyProviders.FallbackPackageFolders.Count; 387telemetry.TelemetryEvent[UseLegacyDependencyResolver] = _request.Project.RestoreMetadata.UseLegacyDependencyResolver; 389telemetry.TelemetryEvent[TargetFrameworks] = GetTargetFrameworksAsString(_request.Project.TargetFrameworks); 390telemetry.TelemetryEvent[TargetFrameworksCount] = _request.Project.TargetFrameworks.Count; 391telemetry.TelemetryEvent[RuntimeIdentifiersCount] = _request.Project.RuntimeGraph.Runtimes.Count; 392telemetry.TelemetryEvent[TreatWarningsAsErrors] = _request.Project.RestoreMetadata.ProjectWideWarningProperties.AllWarningsAsErrors; 393telemetry.TelemetryEvent[SDKAnalysisLevel] = _request.Project.RestoreMetadata.SdkAnalysisLevel; 394telemetry.TelemetryEvent[UsingMicrosoftNETSdk] = _request.Project.RestoreMetadata.UsingMicrosoftNETSdk; 395telemetry.TelemetryEvent[NETSdkVersion] = _request.Project.RestoreSettings.SdkVersion; 396telemetry.TelemetryEvent[IsPackageInstallationTrigger] = !_request.IsRestoreOriginalAction; 397telemetry.TelemetryEvent[UsesLegacyPackagesDirectory] = !_request.IsLowercasePackagesDirectory; 402var isCpvmEnabled = _request.Project.RestoreMetadata?.CentralPackageVersionsEnabled ?? false; 407var isCentralPackageTransitivePinningEnabled = _request.Project.RestoreMetadata?.CentralPackageTransitivePinningEnabled ?? false; 413PopulatePruningEnabledTelemetry(_request.Project, telemetry.TelemetryEvent); 463if (CommandsEventSource.Instance.IsEnabled()) CommandsEventSource.Instance.RestoreCommand_CalcNoOpRestoreStart(_request.Project.FilePath); 465if (CommandsEventSource.Instance.IsEnabled()) CommandsEventSource.Instance.RestoreCommand_CalcNoOpRestoreStop(_request.Project.FilePath); 468telemetry.TelemetryEvent[ForceRestore] = !_request.AllowNoOp; 471if (noOpCacheFileEvaluation && _request.AllowNoOp && !_request.RestoreForceEvaluate) 475var noOpSuccess = NoOpRestoreUtilities.VerifyRestoreOutput(_request, cacheFile); 483_logger.LogVerbose(string.Format(CultureInfo.CurrentCulture, Strings.Log_RestoreNoOpFinish, _request.Project.Name)); 502_request.LockFilePath, 503new Lazy<LockFile>(() => LockFileUtilities.GetLockFile(_request.LockFilePath, _logger)), 505_request.Project.RestoreMetadata.CacheFilePath, 506_request.ProjectStyle, 513_logger.LogVerbose(string.Format(CultureInfo.CurrentCulture, Strings.Log_RestoreNoOpDGChanged, _request.Project.Name)); 526if (_request.DependencyProviders.RemoteProviders != null) 528foreach (var remoteProvider in _request.DependencyProviders.RemoteProviders) 536if (auditEnabled && _request.DependencyProviders.VulnerabilityInfoProviders != null) 538foreach (var vulnerabilityInfoProvider in _request.DependencyProviders.VulnerabilityInfoProviders) 564_request.Project.RestoreMetadata.SdkAnalysisLevel, 565_request.Project.RestoreMetadata.UsingMicrosoftNETSdk, 622if (CommandsEventSource.Instance.IsEnabled()) CommandsEventSource.Instance.RestoreCommand_BuildRestoreGraphStart(_request.Project.FilePath); 627(resultSuccessful, graphs) = await ExecuteRestoreAsync(_request.DependencyProviders.GlobalPackages, _request.DependencyProviders.FallbackPackageFolders, contextForProject, telemetry, success, token); 632(resultSuccessful, graphs) = await ExecuteLegacyRestoreAsync(_request.DependencyProviders.GlobalPackages, _request.DependencyProviders.FallbackPackageFolders, contextForProject, token, telemetry); 636if (CommandsEventSource.Instance.IsEnabled()) CommandsEventSource.Instance.RestoreCommand_BuildRestoreGraphStop(_request.Project.FilePath); 650var frameworkRuntimePairs = CreateFrameworkRuntimeDefinitions(_request.Project, RequestRuntimeUtility.GetRestoreRuntimes(_request)); 654var restoreTargetGraph = RestoreTargetGraph.Create(_request.Project.RuntimeGraph, Enumerable.Empty<GraphNode<RemoteResolveResult>>(), contextForProject, frameworkRuntimePairs[i].TargetAlias, frameworkRuntimePairs[i].Framework, frameworkRuntimePairs[i].RuntimeIdentifier); 685cacheFilePath = NoOpRestoreUtilities.GetCacheFilePath(_request, assetsFile); 688if (_request.LockFilePath == null 689&& _request.ProjectStyle == ProjectStyle.DotnetCliTool) 691_request.LockFilePath = assetFilePath; 697_request.Project, 701_request, 741if (_request.AdditionalMessages != null) 743logsEnumerable = logsEnumerable.Concat(_request.AdditionalMessages); 754cacheFile.ProjectFilePath = _request.Project.FilePath; 756cacheFile.ExpectedPackageFilePaths = NoOpRestoreUtilities.GetRestoreOutput(_request, assetsFile); 821_request.Project.RestoreMetadata.RestoreAuditProperties, 822_request.Project.FilePath, 824_request.DependencyProviders.VulnerabilityInfoProviders, 825_request.Project.TargetFrameworks, 884IEnumerable<NuGetFramework> badPlatforms = _request.Project.TargetFrameworks 904return EnsureNoAliasesWithDisallowedCharacters(_request.Project, _logger); 1091var project = _request.Project; 1108foreach (var frameworkInfo in _request.Project.TargetFrameworks) 1170foreach (TargetFrameworkInformation targetFrameworkInformation in _request.Project.TargetFrameworks) 1300if (_request.Project.RestoreMetadata.ProjectStyle == ProjectStyle.ProjectJson) 1352if (_request.Project.RestoreMetadata.ProjectStyle == ProjectStyle.DotnetCliTool) 1357return pathComparer.Equals(cacheFile.ProjectFilePath, _request.Project.FilePath); 1412var restorePackagesWithLockFile = _request.Project.RestoreMetadata?.RestoreLockProperties.RestorePackagesWithLockFile; 1423await _request.Log.LogAsync(RestoreLogMessage.CreateError(NuGetLogCode.NU1005, message)); 1432&& _request.IsRestoreOriginalAction 1433&& _request.RestoreForceEvaluate 1434&& _request.Project.RestoreMetadata.RestoreLockProperties.RestoreLockedMode 1436_request.Project.RestoreMetadata.SdkAnalysisLevel, 1437_request.Project.RestoreMetadata.UsingMicrosoftNETSdk, 1440await _request.Log.LogAsync(RestoreLogMessage.CreateWarning(NuGetLogCode.NU1512, Strings.Warning_RestoreLockedModeAndForceEvaluate)); 1444if (!_request.RestoreForceEvaluate && File.Exists(packagesLockFilePath)) 1450if (_request.DependencyGraphSpec != null) 1455LockFileValidationResult lockFileResult = PackagesLockFileUtilities.IsLockFileValid(_request.DependencyGraphSpec, packagesLockFile); 1475_request.Project.GetTargetFramework(target.TargetFramework)?.TargetAlias : 1480else if (_request.IsRestoreOriginalAction && _request.Project.RestoreMetadata.RestoreLockProperties.RestoreLockedMode) 1506var noOpDgSpec = NoOpRestoreUtilities.GetNoOpDgSpec(_request); 1508if (_request.ProjectStyle == ProjectStyle.DotnetCliTool && _request.AllowNoOp) 1511NoOpRestoreUtilities.UpdateRequestBestMatchingToolPathsIfAvailable(_request); 1517if (CacheFileExists(_request.Project.RestoreMetadata.CacheFilePath, out cacheFileAge)) 1519cacheFile = FileUtility.SafeRead(_request.Project.RestoreMetadata.CacheFilePath, (stream, path) => CacheFileFormat.Read(stream, _logger, path)); 1536if (_request.ProjectStyle == ProjectStyle.DotnetCliTool) 1541_request.LockFilePath = null; 1542_request.Project.RestoreMetadata.CacheFilePath = null; 1569var projectLockFilePath = _request.LockFilePath; 1573if (_request.ProjectStyle == ProjectStyle.DotnetCliTool) 1575var toolName = ToolRestoreUtility.GetToolIdOrNullFromSpec(_request.Project); 1582var toolPathResolver = new ToolPathResolver(_request.PackagesDirectory); 1591projectLockFilePath = Path.Combine(_request.RestoreOutputPath, LockFileFormat.AssetsFileName); 1606if (!_request.IsLowercasePackagesDirectory) 1608var originalCase = new OriginalCaseGlobalPackageFolder(_request, _operationId); 1642if (DoesProjectToolsetSupportsDuplicateFrameworks(_request.Project)) 1644return _request.LockFileVersion; 1706bool isPinningEnabled = _request.Project.RestoreMetadata?.CentralPackageVersionsEnabled == true && _request.Project.RestoreMetadata?.CentralPackageTransitivePinningEnabled == true; // If pinning is enabled for this project, the error message can provide details about adding a PackageVersion. 1727_request.Project.Name) 1857if (await ErrorForDuplicateFrameworks(_request, _logger)) 1863if (_request.Project.TargetFrameworks.Count == 0) 1865var message = string.Format(CultureInfo.CurrentCulture, Strings.Log_ProjectDoesNotSpecifyTargetFrameworks, _request.Project.Name, _request.Project.FilePath); 1871_logger.LogInformation(string.Format(CultureInfo.CurrentCulture, Strings.Log_RestoringPackages, _request.Project.FilePath)); 1876var updatedExternalProjects = GetProjectReferences(_request); 1887Name = _request.Project.Name, 1888VersionRange = new VersionRange(_request.Project.Version), 1894var runtimeIds = RequestRuntimeUtility.GetRestoreRuntimes(_request); 1895var projectFrameworkRuntimePairs = CreateFrameworkRuntimeDefinitions(_request.Project, runtimeIds); 1896var hasSupports = _request.Project.RuntimeGraph.Supports.Count > 0; 1898var projectRestoreRequest = new ProjectRestoreRequest(_request, _request.Project, _request.ExistingLockFile, _logger) 1952foreach (FrameworkRuntimeDefinition frameworkRuntimePair in CreateFrameworkRuntimeDefinitions(_request.Project, RequestRuntimeUtility.GetRestoreRuntimes(_request))) 1954allGraphs.Add(RestoreTargetGraph.Create(_request.Project.RuntimeGraph, Enumerable.Empty<GraphNode<RemoteResolveResult>>(), context, frameworkRuntimePair.TargetAlias, frameworkRuntimePair.Framework, frameworkRuntimePair.RuntimeIdentifier)); 1959foreach (var profile in _request.Project.RuntimeGraph.Supports) 1981_request.CompatibilityProfiles.Add(pair); 1986if (success && _request.CompatibilityProfiles.Any()) 1993_request.CompatibilityProfiles, 2040if (_request.Project.TargetFrameworks.Count == 0) 2042var message = string.Format(CultureInfo.CurrentCulture, Strings.Log_ProjectDoesNotSpecifyTargetFrameworks, _request.Project.Name, _request.Project.FilePath); 2049var shouldDoDuplicatesCheck = !DoesProjectToolsetSupportsDuplicateFrameworks(_request.Project); 2053if (await ErrorForDuplicateFrameworks(_request, _logger)) 2060var projectRestoreRequest = new ProjectRestoreRequest(_request, _request.Project, _request.ExistingLockFile, _logger) 2071_logger.LogInformation(string.Format(CultureInfo.CurrentCulture, Strings.Log_RestoringPackages, _request.Project.FilePath)); 2076var updatedExternalProjects = GetProjectReferences(_request); 2083DependencyGraphResolver dependencyGraphResolver = new(_logger, _request, telemetryActivity); 2118foreach (FrameworkRuntimeDefinition frameworkRuntimePair in CreateFrameworkRuntimeDefinitions(_request.Project, RequestRuntimeUtility.GetRestoreRuntimes(_request))) 2120graphs.Add(RestoreTargetGraph.Create(_request.Project.RuntimeGraph, Enumerable.Empty<GraphNode<RemoteResolveResult>>(), context, frameworkRuntimePair.TargetAlias, frameworkRuntimePair.Framework, frameworkRuntimePair.RuntimeIdentifier)); 2125foreach (var profile in _request.Project.RuntimeGraph.Supports) 2145_request.CompatibilityProfiles.Add(pair);