private CompatibilityData GetCompatibilityData(RestoreTargetGraph graph, LibraryIdentity libraryId, PackageSpec packageSpec)
        {
            // Use data from the current lock file if it exists.
            LockFileTargetLibrary targetLibrary = null;
            var target = _lockFile.Targets.FirstOrDefault(t => Equals(t.TargetFramework, graph.Framework) && string.Equals(t.RuntimeIdentifier, graph.RuntimeIdentifier, StringComparison.Ordinal));

            if (target != null)
            {
                targetLibrary = target.Libraries
                                .FirstOrDefault(t => t.Name.Equals(libraryId.Name, StringComparison.OrdinalIgnoreCase) && t.Version.Equals(libraryId.Version));
            }

            IEnumerable <string> files = null;
            var lockFileLibrary        = _lockFile.Libraries
                                         .FirstOrDefault(l => l.Name.Equals(libraryId.Name, StringComparison.OrdinalIgnoreCase) && l.Version.Equals(libraryId.Version));

            if (lockFileLibrary != null)
            {
                files = lockFileLibrary.Files;
            }

            if (files == null || targetLibrary == null)
            {
                // We need to generate some of the data. We'll need the local package info to do that
                var packageInfo = NuGetv3LocalRepositoryUtility.GetPackage(
                    _localRepositories,
                    libraryId.Name,
                    libraryId.Version);

                if (packageInfo == null)
                {
                    return(null);
                }

                // Collect the file list if necessary
                if (files == null)
                {
                    files = packageInfo.Package.Files;
                }

                // Generate the target library if necessary
                if (targetLibrary == null)
                {
                    targetLibrary = LockFileUtils.CreateLockFileTargetLibrary(
                        library: null,
                        package: packageInfo.Package,
                        targetGraph: graph,
                        dependencyType: LibraryIncludeFlags.All);
                }
            }

            return(new CompatibilityData(files, targetLibrary, packageSpec));
        }
        public LockFile CreateLockFile(LockFile previousLockFile,
                                       PackageSpec project,
                                       IEnumerable <RestoreTargetGraph> targetGraphs,
                                       IReadOnlyList <NuGetv3LocalRepository> localRepositories,
                                       RemoteWalkContext context)
        {
            var lockFile = new LockFile()
            {
                Version = _lockFileVersion
            };

            var previousLibraries = previousLockFile?.Libraries.ToDictionary(l => Tuple.Create(l.Name, l.Version));

            if (project.RestoreMetadata?.ProjectStyle == ProjectStyle.PackageReference ||
                project.RestoreMetadata?.ProjectStyle == ProjectStyle.DotnetToolReference)
            {
                AddProjectFileDependenciesForPackageReference(project, lockFile, targetGraphs);
            }
            else
            {
                AddProjectFileDependenciesForSpec(project, lockFile);
            }

            // Record all libraries used
            foreach (var item in targetGraphs.SelectMany(g => g.Flattened).Distinct()
                     .OrderBy(x => x.Data.Match.Library))
            {
                var library = item.Data.Match.Library;

                if (project.Name.Equals(library.Name, StringComparison.OrdinalIgnoreCase))
                {
                    // Do not include the project itself as a library.
                    continue;
                }

                if (library.Type == LibraryType.Project || library.Type == LibraryType.ExternalProject)
                {
                    // Project
                    var localMatch = (LocalMatch)item.Data.Match;

                    var projectLib = new LockFileLibrary()
                    {
                        Name    = library.Name,
                        Version = library.Version,
                        Type    = LibraryType.Project,
                    };

                    // Set the relative path if a path exists
                    // For projects without project.json this will be empty
                    if (!string.IsNullOrEmpty(localMatch.LocalLibrary.Path))
                    {
                        projectLib.Path = PathUtility.GetRelativePath(
                            project.FilePath,
                            localMatch.LocalLibrary.Path,
                            '/');
                    }

                    // The msbuild project path if it exists
                    object msbuildPath;
                    if (localMatch.LocalLibrary.Items.TryGetValue(KnownLibraryProperties.MSBuildProjectPath, out msbuildPath))
                    {
                        var msbuildRelativePath = PathUtility.GetRelativePath(
                            project.FilePath,
                            (string)msbuildPath,
                            '/');

                        projectLib.MSBuildProject = msbuildRelativePath;
                    }

                    lockFile.Libraries.Add(projectLib);
                }
                else if (library.Type == LibraryType.Package)
                {
                    // Packages
                    var packageInfo = NuGetv3LocalRepositoryUtility.GetPackage(localRepositories, library.Name, library.Version);

                    // Add the library if it was resolved, unresolved packages are not added to the assets file.
                    if (packageInfo != null)
                    {
                        var package  = packageInfo.Package;
                        var resolver = packageInfo.Repository.PathResolver;

                        var             sha512          = package.Sha512;
                        var             path            = PathUtility.GetPathWithForwardSlashes(resolver.GetPackageDirectory(package.Id, package.Version));
                        LockFileLibrary lockFileLib     = null;
                        LockFileLibrary previousLibrary = null;

                        if (previousLibraries?.TryGetValue(Tuple.Create(package.Id, package.Version), out previousLibrary) == true)
                        {
                            // Check that the previous library is still valid
                            if (previousLibrary != null &&
                                StringComparer.Ordinal.Equals(path, previousLibrary.Path) &&
                                StringComparer.Ordinal.Equals(sha512, previousLibrary.Sha512))
                            {
                                // We mutate this previous library so we must take a clone of it. This is
                                // important because later, when deciding whether the lock file has changed,
                                // we compare the new lock file to the previous (in-memory) lock file.
                                lockFileLib = previousLibrary.Clone();
                            }
                        }

                        // Create a new lock file library if one doesn't exist already.
                        if (lockFileLib == null)
                        {
                            lockFileLib = CreateLockFileLibrary(package, sha512, path);
                        }

                        // Create a new lock file library
                        lockFile.Libraries.Add(lockFileLib);
                    }
                }
            }

            var libraries = lockFile.Libraries.ToDictionary(lib => Tuple.Create(lib.Name, lib.Version));

            var librariesWithWarnings = new HashSet <LibraryIdentity>();

            var rootProjectStyle = project.RestoreMetadata?.ProjectStyle ?? ProjectStyle.Unknown;

            // Cache package data and selection criteria across graphs.
            var builderCache = new LockFileBuilderCache();

            // Add the targets
            foreach (var targetGraph in targetGraphs
                     .OrderBy(graph => graph.Framework.ToString(), StringComparer.Ordinal)
                     .ThenBy(graph => graph.RuntimeIdentifier, StringComparer.Ordinal))
            {
                var target = new LockFileTarget
                {
                    TargetFramework   = targetGraph.Framework,
                    RuntimeIdentifier = targetGraph.RuntimeIdentifier
                };

                var flattenedFlags = IncludeFlagUtils.FlattenDependencyTypes(_includeFlagGraphs, project, targetGraph);

                // Check if warnings should be displayed for the current framework.
                var tfi = project.GetTargetFramework(targetGraph.Framework);

                bool warnForImportsOnGraph = tfi.Warn &&
                                             (target.TargetFramework is FallbackFramework ||
                                              target.TargetFramework is AssetTargetFallbackFramework);

                foreach (var graphItem in targetGraph.Flattened.OrderBy(x => x.Key))
                {
                    var library = graphItem.Key;

                    // include flags
                    LibraryIncludeFlags includeFlags;
                    if (!flattenedFlags.TryGetValue(library.Name, out includeFlags))
                    {
                        includeFlags = ~LibraryIncludeFlags.ContentFiles;
                    }

                    if (library.Type == LibraryType.Project || library.Type == LibraryType.ExternalProject)
                    {
                        if (project.Name.Equals(library.Name, StringComparison.OrdinalIgnoreCase))
                        {
                            // Do not include the project itself as a library.
                            continue;
                        }

                        var projectLib = LockFileUtils.CreateLockFileTargetProject(
                            graphItem,
                            library,
                            includeFlags,
                            targetGraph,
                            rootProjectStyle);

                        target.Libraries.Add(projectLib);
                        continue;
                    }
                    else if (library.Type == LibraryType.Package)
                    {
                        var packageInfo = NuGetv3LocalRepositoryUtility.GetPackage(localRepositories, library.Name, library.Version);

                        if (packageInfo == null)
                        {
                            continue;
                        }

                        var package = packageInfo.Package;

                        var targetLibrary = LockFileUtils.CreateLockFileTargetLibrary(
                            libraries[Tuple.Create(library.Name, library.Version)],
                            package,
                            targetGraph,
                            dependencyType: includeFlags,
                            targetFrameworkOverride: null,
                            dependencies: graphItem.Data.Dependencies,
                            cache: builderCache);

                        target.Libraries.Add(targetLibrary);

                        // Log warnings if the target library used the fallback framework
                        if (warnForImportsOnGraph && !librariesWithWarnings.Contains(library))
                        {
                            var nonFallbackFramework = new NuGetFramework(target.TargetFramework);

                            var targetLibraryWithoutFallback = LockFileUtils.CreateLockFileTargetLibrary(
                                libraries[Tuple.Create(library.Name, library.Version)],
                                package,
                                targetGraph,
                                targetFrameworkOverride: nonFallbackFramework,
                                dependencyType: includeFlags,
                                dependencies: graphItem.Data.Dependencies,
                                cache: builderCache);

                            if (!targetLibrary.Equals(targetLibraryWithoutFallback))
                            {
                                var libraryName = DiagnosticUtility.FormatIdentity(library);

                                var message = string.Format(CultureInfo.CurrentCulture,
                                                            Strings.Log_ImportsFallbackWarning,
                                                            libraryName,
                                                            GetFallbackFrameworkString(target.TargetFramework),
                                                            nonFallbackFramework);

                                var logMessage = RestoreLogMessage.CreateWarning(
                                    NuGetLogCode.NU1701,
                                    message,
                                    library.Name,
                                    targetGraph.TargetGraphName);

                                _logger.Log(logMessage);

                                // only log the warning once per library
                                librariesWithWarnings.Add(library);
                            }
                        }
                    }
                }

                lockFile.Targets.Add(target);
            }

            PopulatePackageFolders(localRepositories.Select(repo => repo.RepositoryRoot).Distinct(), lockFile);

            AddCentralTransitiveDependencyGroupsForPackageReference(project, lockFile, targetGraphs);

            // Add the original package spec to the lock file.
            lockFile.PackageSpec = project;

            return(lockFile);
        }
示例#3
0
        public LockFile CreateLockFile(
            LockFile previousLockFile,
            PackageSpec project,
            IEnumerable <RestoreTargetGraph> targetGraphs,
            IReadOnlyList <NuGetv3LocalRepository> localRepositories,
            RemoteWalkContext context)
        {
            var lockFile = new LockFile();

            lockFile.Version = _lockFileVersion;

            var previousLibraries = previousLockFile?.Libraries.ToDictionary(l => Tuple.Create(l.Name, l.Version));

            if (project.RestoreMetadata?.ProjectStyle == ProjectStyle.PackageReference)
            {
                AddProjectFileDependenciesForNETCore(project, lockFile, targetGraphs);
            }
            else
            {
                AddProjectFileDependenciesForSpec(project, lockFile);
            }

            // Record all libraries used
            foreach (var item in targetGraphs.SelectMany(g => g.Flattened).Distinct()
                     .OrderBy(x => x.Data.Match.Library))
            {
                var library = item.Data.Match.Library;

                if (project.Name.Equals(library.Name, StringComparison.OrdinalIgnoreCase))
                {
                    // Do not include the project itself as a library.
                    continue;
                }

                if (library.Type == LibraryType.Project || library.Type == LibraryType.ExternalProject)
                {
                    // Project
                    LocalMatch localMatch = (LocalMatch)item.Data.Match;

                    var projectLib = new LockFileLibrary()
                    {
                        Name    = library.Name,
                        Version = library.Version,
                        Type    = LibraryType.Project,
                    };

                    // Set the relative path if a path exists
                    // For projects without project.json this will be empty
                    if (!string.IsNullOrEmpty(localMatch.LocalLibrary.Path))
                    {
                        projectLib.Path = PathUtility.GetRelativePath(
                            project.FilePath,
                            localMatch.LocalLibrary.Path,
                            '/');
                    }

                    // The msbuild project path if it exists
                    object msbuildPath;
                    if (localMatch.LocalLibrary.Items.TryGetValue(KnownLibraryProperties.MSBuildProjectPath, out msbuildPath))
                    {
                        var msbuildRelativePath = PathUtility.GetRelativePath(
                            project.FilePath,
                            (string)msbuildPath,
                            '/');

                        projectLib.MSBuildProject = msbuildRelativePath;
                    }

                    lockFile.Libraries.Add(projectLib);
                }
                else if (library.Type == LibraryType.Package)
                {
                    // Packages
                    var packageInfo = NuGetv3LocalRepositoryUtility.GetPackage(localRepositories, library.Name, library.Version);

                    if (packageInfo == null)
                    {
                        continue;
                    }

                    var package  = packageInfo.Package;
                    var resolver = packageInfo.Repository.PathResolver;

                    LockFileLibrary previousLibrary = null;
                    if (previousLibraries?.TryGetValue(Tuple.Create(package.Id, package.Version), out previousLibrary) == true)
                    {
                        // We mutate this previous library so we must take a clone of it. This is
                        // important because later, when deciding whether the lock file has changed,
                        // we compare the new lock file to the previous (in-memory) lock file.
                        previousLibrary = previousLibrary.Clone();
                    }

                    var sha512 = File.ReadAllText(resolver.GetHashPath(package.Id, package.Version));
                    var path   = PathUtility.GetPathWithForwardSlashes(
                        resolver.GetPackageDirectory(package.Id, package.Version));

                    var lockFileLib = previousLibrary;

                    // If we have the same library in the lock file already, use that.
                    if (previousLibrary == null ||
                        previousLibrary.Sha512 != sha512 ||
                        previousLibrary.Path != path)
                    {
                        lockFileLib = CreateLockFileLibrary(
                            package,
                            sha512,
                            path);
                    }
                    else if (Path.DirectorySeparatorChar != LockFile.DirectorySeparatorChar)
                    {
                        // Fix slashes for content model patterns
                        lockFileLib.Files = lockFileLib.Files
                                            .Select(p => p.Replace(Path.DirectorySeparatorChar, LockFile.DirectorySeparatorChar))
                                            .ToList();
                    }

                    lockFile.Libraries.Add(lockFileLib);

                    var packageIdentity = new PackageIdentity(lockFileLib.Name, lockFileLib.Version);
                    context.PackageFileCache.TryAdd(packageIdentity, lockFileLib.Files);
                }
            }

            var libraries = lockFile.Libraries.ToDictionary(lib => Tuple.Create(lib.Name, lib.Version));

            var warnForImports        = project.TargetFrameworks.Any(framework => framework.Warn);
            var librariesWithWarnings = new HashSet <LibraryIdentity>();

            var rootProjectStyle = project.RestoreMetadata?.ProjectStyle ?? ProjectStyle.Unknown;

            // Add the targets
            foreach (var targetGraph in targetGraphs
                     .OrderBy(graph => graph.Framework.ToString(), StringComparer.Ordinal)
                     .ThenBy(graph => graph.RuntimeIdentifier, StringComparer.Ordinal))
            {
                var target = new LockFileTarget();
                target.TargetFramework   = targetGraph.Framework;
                target.RuntimeIdentifier = targetGraph.RuntimeIdentifier;

                var flattenedFlags = IncludeFlagUtils.FlattenDependencyTypes(_includeFlagGraphs, project, targetGraph);

                var fallbackFramework     = target.TargetFramework as FallbackFramework;
                var warnForImportsOnGraph = warnForImports && fallbackFramework != null;

                foreach (var graphItem in targetGraph.Flattened.OrderBy(x => x.Key))
                {
                    var library = graphItem.Key;

                    // include flags
                    LibraryIncludeFlags includeFlags;
                    if (!flattenedFlags.TryGetValue(library.Name, out includeFlags))
                    {
                        includeFlags = ~LibraryIncludeFlags.ContentFiles;
                    }

                    if (library.Type == LibraryType.Project || library.Type == LibraryType.ExternalProject)
                    {
                        if (project.Name.Equals(library.Name, StringComparison.OrdinalIgnoreCase))
                        {
                            // Do not include the project itself as a library.
                            continue;
                        }

                        var projectLib = LockFileUtils.CreateLockFileTargetProject(
                            graphItem,
                            library,
                            includeFlags,
                            targetGraph,
                            rootProjectStyle);

                        target.Libraries.Add(projectLib);
                        continue;
                    }
                    else if (library.Type == LibraryType.Package)
                    {
                        var packageInfo = NuGetv3LocalRepositoryUtility.GetPackage(localRepositories, library.Name, library.Version);

                        if (packageInfo == null)
                        {
                            continue;
                        }

                        var package = packageInfo.Package;

                        var targetLibrary = LockFileUtils.CreateLockFileTargetLibrary(
                            libraries[Tuple.Create(library.Name, library.Version)],
                            package,
                            targetGraph,
                            dependencyType: includeFlags,
                            targetFrameworkOverride: null,
                            dependencies: graphItem.Data.Dependencies);

                        target.Libraries.Add(targetLibrary);

                        // Log warnings if the target library used the fallback framework
                        if (warnForImportsOnGraph && !librariesWithWarnings.Contains(library))
                        {
                            var nonFallbackFramework = new NuGetFramework(fallbackFramework);

                            var targetLibraryWithoutFallback = LockFileUtils.CreateLockFileTargetLibrary(
                                libraries[Tuple.Create(library.Name, library.Version)],
                                package,
                                targetGraph,
                                targetFrameworkOverride: nonFallbackFramework,
                                dependencyType: includeFlags,
                                dependencies: graphItem.Data.Dependencies);

                            if (!targetLibrary.Equals(targetLibraryWithoutFallback))
                            {
                                var libraryName = $"{library.Name} {library.Version}";
                                _logger.LogWarning(string.Format(CultureInfo.CurrentCulture, Strings.Log_ImportsFallbackWarning, libraryName, String.Join(", ", fallbackFramework.Fallback), nonFallbackFramework));

                                // only log the warning once per library
                                librariesWithWarnings.Add(library);
                            }
                        }
                    }
                }

                lockFile.Targets.Add(target);
            }

            PopulatePackageFolders(localRepositories.Select(repo => repo.RepositoryRoot).Distinct(), lockFile);

            // Add the original package spec to the lock file.
            lockFile.PackageSpec = project;

            return(lockFile);
        }
示例#4
0
        private CompatibilityData GetCompatibilityData(RestoreTargetGraph graph, LibraryIdentity libraryId)
        {
            LockFileTargetLibrary targetLibrary = null;
            var target = _lockFile.Targets.FirstOrDefault(t => Equals(t.TargetFramework, graph.Framework) && string.Equals(t.RuntimeIdentifier, graph.RuntimeIdentifier, StringComparison.Ordinal));

            if (target != null)
            {
                targetLibrary = target.Libraries.FirstOrDefault(t => t.Name.Equals(libraryId.Name) && t.Version.Equals(libraryId.Version));
            }

            IEnumerable <string> files = null;
            var lockFileLibrary        = _lockFile.Libraries.FirstOrDefault(l => l.Name.Equals(libraryId.Name) && l.Version.Equals(libraryId.Version));

            if (lockFileLibrary != null)
            {
                files = lockFileLibrary.Files;
            }

            if (files != null && targetLibrary != null)
            {
                // Everything we need is in the lock file!
                return(new CompatibilityData(lockFileLibrary.Files, targetLibrary));
            }
            else
            {
                // We need to generate some of the data. We'll need the local packge info to do that
                var packageInfo = NuGetv3LocalRepositoryUtility.GetPackage(
                    _localRepositories,
                    libraryId.Name,
                    libraryId.Version);

                if (packageInfo == null)
                {
                    return(null);
                }

                // Collect the file list if necessary
                if (files == null)
                {
                    using (var packageReader = new PackageFolderReader(packageInfo.Package.ExpandedPath))
                    {
                        if (Path.DirectorySeparatorChar != '/')
                        {
                            files = packageReader
                                    .GetFiles()
                                    .Select(p => p.Replace(Path.DirectorySeparatorChar, '/'))
                                    .ToList();
                        }
                        else
                        {
                            files = packageReader.GetFiles().ToList();
                        }
                    }
                }

                // Generate the target library if necessary
                if (targetLibrary == null)
                {
                    targetLibrary = LockFileUtils.CreateLockFileTargetLibrary(
                        library: null,
                        package: packageInfo.Package,
                        targetGraph: graph,
                        dependencyType: LibraryIncludeFlags.All);
                }

                return(new CompatibilityData(files, targetLibrary));
            }
        }
示例#5
0
        public LockFile CreateLockFile(
            LockFile previousLockFile,
            PackageSpec project,
            IEnumerable <RestoreTargetGraph> targetGraphs,
            NuGetv3LocalRepository repository,
            RemoteWalkContext context,
            IEnumerable <ToolRestoreResult> toolRestoreResults)
        {
            var lockFile = new LockFile();

            lockFile.Version = _lockFileVersion;

            var resolver          = new VersionFolderPathResolver(repository.RepositoryRoot);
            var previousLibraries = previousLockFile?.Libraries.ToDictionary(l => Tuple.Create <string, NuGetVersion>(l.Name, l.Version));

            // Use empty string as the key of dependencies shared by all frameworks
            lockFile.ProjectFileDependencyGroups.Add(new ProjectFileDependencyGroup(
                                                         string.Empty,
                                                         project.Dependencies
                                                         .Select(group => group.LibraryRange.ToLockFileDependencyGroupString())
                                                         .OrderBy(group => group, StringComparer.Ordinal)));

            foreach (var frameworkInfo in project.TargetFrameworks
                     .OrderBy(framework => framework.FrameworkName.ToString(),
                              StringComparer.Ordinal))
            {
                lockFile.ProjectFileDependencyGroups.Add(new ProjectFileDependencyGroup(
                                                             frameworkInfo.FrameworkName.ToString(),
                                                             frameworkInfo.Dependencies
                                                             .Select(x => x.LibraryRange.ToLockFileDependencyGroupString())
                                                             .OrderBy(dependency => dependency, StringComparer.Ordinal)));
            }

            // Record all libraries used
            foreach (var item in targetGraphs.SelectMany(g => g.Flattened).Distinct()
                     .OrderBy(x => x.Data.Match.Library))
            {
                var library = item.Data.Match.Library;

                if (project.Name.Equals(library.Name, StringComparison.OrdinalIgnoreCase))
                {
                    // Do not include the project itself as a library.
                    continue;
                }

                if (library.Type == LibraryType.Project || library.Type == LibraryType.ExternalProject)
                {
                    // Project
                    LocalMatch localMatch = (LocalMatch)item.Data.Match;

                    var projectLib = new LockFileLibrary()
                    {
                        Name    = library.Name,
                        Version = library.Version,
                        Type    = LibraryType.Project,
                    };

                    // Set the relative path if a path exists
                    // For projects without project.json this will be empty
                    if (!string.IsNullOrEmpty(localMatch.LocalLibrary.Path))
                    {
                        projectLib.Path = PathUtility.GetRelativePath(
                            project.FilePath,
                            localMatch.LocalLibrary.Path,
                            '/');
                    }

                    // The msbuild project path if it exists
                    object msbuildPath;
                    if (localMatch.LocalLibrary.Items.TryGetValue(KnownLibraryProperties.MSBuildProjectPath, out msbuildPath))
                    {
                        var msbuildRelativePath = PathUtility.GetRelativePath(
                            project.FilePath,
                            (string)msbuildPath,
                            '/');

                        projectLib.MSBuildProject = msbuildRelativePath;
                    }

                    lockFile.Libraries.Add(projectLib);
                }
                else if (library.Type == LibraryType.Package)
                {
                    // Packages
                    var packageInfo = repository.FindPackagesById(library.Name)
                                      .FirstOrDefault(p => p.Version == library.Version);

                    if (packageInfo == null)
                    {
                        continue;
                    }

                    var sha512 = File.ReadAllText(resolver.GetHashPath(packageInfo.Id, packageInfo.Version));

                    LockFileLibrary previousLibrary = null;
                    previousLibraries?.TryGetValue(Tuple.Create(library.Name, library.Version), out previousLibrary);

                    var lockFileLib = previousLibrary;

                    // If we have the same library in the lock file already, use that.
                    if (previousLibrary == null || previousLibrary.Sha512 != sha512)
                    {
                        var path = resolver.GetPackageDirectory(packageInfo.Id, packageInfo.Version);
                        path = PathUtility.GetPathWithForwardSlashes(path);

                        lockFileLib = CreateLockFileLibrary(
                            packageInfo,
                            sha512,
                            path,
                            correctedPackageName: library.Name);
                    }
                    else if (Path.DirectorySeparatorChar != LockFile.DirectorySeparatorChar)
                    {
                        // Fix slashes for content model patterns
                        lockFileLib.Files = lockFileLib.Files
                                            .Select(p => p.Replace(Path.DirectorySeparatorChar, LockFile.DirectorySeparatorChar))
                                            .ToList();
                    }

                    lockFile.Libraries.Add(lockFileLib);

                    var packageIdentity = new PackageIdentity(lockFileLib.Name, lockFileLib.Version);
                    context.PackageFileCache.TryAdd(packageIdentity, lockFileLib.Files);
                }
            }

            var libraries = lockFile.Libraries.ToDictionary(lib => Tuple.Create(lib.Name, lib.Version));

            var warnForImports        = project.TargetFrameworks.Any(framework => framework.Warn);
            var librariesWithWarnings = new HashSet <LibraryIdentity>();

            // Add the targets
            foreach (var targetGraph in targetGraphs
                     .OrderBy(graph => graph.Framework.ToString(), StringComparer.Ordinal)
                     .ThenBy(graph => graph.RuntimeIdentifier, StringComparer.Ordinal))
            {
                var target = new LockFileTarget();
                target.TargetFramework   = targetGraph.Framework;
                target.RuntimeIdentifier = targetGraph.RuntimeIdentifier;

                var flattenedFlags = IncludeFlagUtils.FlattenDependencyTypes(_includeFlagGraphs, project, targetGraph);

                var fallbackFramework     = target.TargetFramework as FallbackFramework;
                var warnForImportsOnGraph = warnForImports && fallbackFramework != null;

                foreach (var graphItem in targetGraph.Flattened.OrderBy(x => x.Key))
                {
                    var library = graphItem.Key;

                    if (library.Type == LibraryType.Project || library.Type == LibraryType.ExternalProject)
                    {
                        if (project.Name.Equals(library.Name, StringComparison.OrdinalIgnoreCase))
                        {
                            // Do not include the project itself as a library.
                            continue;
                        }

                        var localMatch = (LocalMatch)graphItem.Data.Match;

                        // Target framework information is optional and may not exist for csproj projects
                        // that do not have a project.json file.
                        string projectFramework = null;
                        object frameworkInfoObject;
                        if (localMatch.LocalLibrary.Items.TryGetValue(
                                KnownLibraryProperties.TargetFrameworkInformation,
                                out frameworkInfoObject))
                        {
                            // Retrieve the resolved framework name, if this is null it means that the
                            // project is incompatible. This is marked as Unsupported.
                            var targetFrameworkInformation = (TargetFrameworkInformation)frameworkInfoObject;
                            projectFramework = targetFrameworkInformation.FrameworkName?.DotNetFrameworkName
                                               ?? NuGetFramework.UnsupportedFramework.DotNetFrameworkName;
                        }

                        // Create the target entry
                        var lib = new LockFileTargetLibrary()
                        {
                            Name      = library.Name,
                            Version   = library.Version,
                            Type      = LibraryType.Project,
                            Framework = projectFramework,

                            // Find all dependencies which would be in the nuspec
                            // Include dependencies with no constraints, or package/project/external
                            // Exclude suppressed dependencies, the top level project is not written
                            // as a target so the node depth does not matter.
                            Dependencies = graphItem.Data.Dependencies
                                           .Where(
                                d => (d.LibraryRange.TypeConstraintAllowsAnyOf(
                                          LibraryDependencyTarget.PackageProjectExternal)) &&
                                d.SuppressParent != LibraryIncludeFlags.All)
                                           .Select(d => GetDependencyVersionRange(d))
                                           .ToList()
                        };

                        object compileAssetObject;
                        if (localMatch.LocalLibrary.Items.TryGetValue(
                                KnownLibraryProperties.CompileAsset,
                                out compileAssetObject))
                        {
                            var item = new LockFileItem((string)compileAssetObject);
                            lib.CompileTimeAssemblies.Add(item);
                            lib.RuntimeAssemblies.Add(item);
                        }

                        // Add frameworkAssemblies for projects
                        object frameworkAssembliesObject;
                        if (localMatch.LocalLibrary.Items.TryGetValue(
                                KnownLibraryProperties.FrameworkAssemblies,
                                out frameworkAssembliesObject))
                        {
                            lib.FrameworkAssemblies.AddRange((List <string>)frameworkAssembliesObject);
                        }

                        target.Libraries.Add(lib);
                        continue;
                    }
                    else if (library.Type == LibraryType.Package)
                    {
                        var packageInfo = repository.FindPackagesById(library.Name)
                                          .FirstOrDefault(p => p.Version == library.Version);

                        if (packageInfo == null)
                        {
                            continue;
                        }

                        // include flags
                        LibraryIncludeFlags includeFlags;
                        if (!flattenedFlags.TryGetValue(library.Name, out includeFlags))
                        {
                            includeFlags = ~LibraryIncludeFlags.ContentFiles;
                        }

                        var targetLibrary = LockFileUtils.CreateLockFileTargetLibrary(
                            libraries[Tuple.Create(library.Name, library.Version)],
                            packageInfo,
                            targetGraph,
                            resolver,
                            correctedPackageName: library.Name,
                            dependencyType: includeFlags,
                            targetFrameworkOverride: null,
                            dependencies: graphItem.Data.Dependencies);

                        target.Libraries.Add(targetLibrary);

                        // Log warnings if the target library used the fallback framework
                        if (warnForImportsOnGraph && !librariesWithWarnings.Contains(library))
                        {
                            var nonFallbackFramework = new NuGetFramework(fallbackFramework);

                            var targetLibraryWithoutFallback = LockFileUtils.CreateLockFileTargetLibrary(
                                libraries[Tuple.Create(library.Name, library.Version)],
                                packageInfo,
                                targetGraph,
                                resolver,
                                correctedPackageName: library.Name,
                                targetFrameworkOverride: nonFallbackFramework,
                                dependencyType: includeFlags,
                                dependencies: graphItem.Data.Dependencies);

                            if (!targetLibrary.Equals(targetLibraryWithoutFallback))
                            {
                                var libraryName = $"{library.Name} {library.Version}";
                                _logger.LogWarning(string.Format(CultureInfo.CurrentCulture, Strings.Log_ImportsFallbackWarning, libraryName, String.Join(", ", fallbackFramework.Fallback), nonFallbackFramework));

                                // only log the warning once per library
                                librariesWithWarnings.Add(library);
                            }
                        }
                    }
                }

                lockFile.Targets.Add(target);
            }

            PopulateProjectFileToolGroups(project, lockFile);

            PopulateTools(toolRestoreResults, lockFile);

            return(lockFile);
        }