private LockFile CreateLockFile(PackageSpec project, List<RestoreTargetGraph> targetGraphs, NuGetv3LocalRepository repository)
{
var lockFile = new LockFile();
using (var sha512 = SHA512.Create())
{
foreach (var item in targetGraphs.SelectMany(g => g.Flattened).Distinct().OrderBy(x => x.Data.Match.Library))
{
var library = item.Data.Match.Library;
var packageInfo = repository.FindPackagesById(library.Name)
.FirstOrDefault(p => p.Version == library.Version);
if (packageInfo == null)
{
continue;
}
var lockFileLib = CreateLockFileLibrary(
packageInfo,
sha512,
correctedPackageName: library.Name);
lockFile.Libraries.Add(lockFileLib);
}
}
// Use empty string as the key of dependencies shared by all frameworks
lockFile.ProjectFileDependencyGroups.Add(new ProjectFileDependencyGroup(
string.Empty,
project.Dependencies.Select(x => x.LibraryRange.ToString())));
foreach (var frameworkInfo in project.TargetFrameworks)
{
lockFile.ProjectFileDependencyGroups.Add(new ProjectFileDependencyGroup(
frameworkInfo.FrameworkName.ToString(),
frameworkInfo.Dependencies.Select(x => x.LibraryRange.ToString())));
}
// Add the targets
foreach (var targetGraph in targetGraphs)
{
var target = new LockFileTarget();
target.TargetFramework = targetGraph.Framework;
target.RuntimeIdentifier = targetGraph.RuntimeIdentifier;
foreach (var library in targetGraph.Flattened.Select(g => g.Key).OrderBy(x => x))
{
var packageInfo = repository.FindPackagesById(library.Name)
.FirstOrDefault(p => p.Version == library.Version);
if (packageInfo == null)
{
continue;
}
var targetLibrary = CreateLockFileTargetLibrary(
packageInfo,
targetGraph,
new DefaultPackagePathResolver(repository.RepositoryRoot),
correctedPackageName: library.Name);
target.Libraries.Add(targetLibrary);
}
lockFile.Targets.Add(target);
}
return lockFile;
}
private Task<RestoreTargetGraph[]> WalkRuntimeDependencies(LibraryRange projectRange, RestoreTargetGraph graph, RuntimeGraph projectRuntimeGraph, RemoteDependencyWalker walker, RemoteWalkContext context, NuGetv3LocalRepository localRepository)
{
// Load runtime specs
_log.LogVerbose("Scanning packages for runtime.json files...");
var runtimeGraph = projectRuntimeGraph;
graph.Graph.ForEach(node =>
{
var match = node?.Item?.Data?.Match;
if (match == null)
{
return;
}
// Locate the package in the local repository
var package = localRepository.FindPackagesById(match.Library.Name).FirstOrDefault(p => p.Version == match.Library.Version);
if (package != null)
{
var nextGraph = LoadRuntimeGraph(package);
if (nextGraph != null)
{
_log.LogVerbose($"Merging in runtimes defined in {match.Library}");
runtimeGraph = RuntimeGraph.Merge(runtimeGraph, nextGraph);
}
}
});
var resultGraphs = new List<Task<RestoreTargetGraph>>();
foreach (var runtimeName in projectRuntimeGraph.Runtimes.Keys)
{
_log.LogInformation($"Restoring packages for {graph.Framework} on {runtimeName}");
resultGraphs.Add(WalkDependencies(projectRange, graph.Framework, runtimeName, runtimeGraph, walker, context));
}
return Task.WhenAll(resultGraphs);
}
private void WriteTargetsAndProps(PackageSpec project, List<RestoreTargetGraph> targetGraphs, NuGetv3LocalRepository repository)
{
// Get the runtime-independent graphs
var tfmGraphs = targetGraphs.Where(g => string.IsNullOrEmpty(g.RuntimeIdentifier)).ToList();
if (tfmGraphs.Count > 1)
{
var name = $"{project.Name}.nuget.targets";
var path = Path.Combine(project.BaseDirectory, name);
_log.LogInformation($"Generating MSBuild file {name}");
GenerateMSBuildErrorFile(path);
return;
}
var graph = tfmGraphs[0];
var pathResolver = new DefaultPackagePathResolver(repository.RepositoryRoot);
var targets = new List<string>();
var props = new List<string>();
foreach (var library in graph.Flattened.Distinct().OrderBy(g => g.Data.Match.Library))
{
var package = repository.FindPackagesById(library.Key.Name).FirstOrDefault(p => p.Version == library.Key.Version);
if (package != null)
{
var criteria = graph.Conventions.Criteria.ForFramework(graph.Framework);
var contentItemCollection = new ContentItemCollection();
using (var nupkgStream = File.OpenRead(package.ZipPath))
{
var reader = new PackageReader(nupkgStream);
contentItemCollection.Load(reader.GetFiles());
}
// Find MSBuild thingies
var buildItems = contentItemCollection.FindBestItemGroup(criteria, graph.Conventions.Patterns.MSBuildFiles);
if (buildItems != null)
{
// We need to additionally filter to items that are named "{packageId}.targets" and "{packageId}.props"
// Filter by file name here and we'll filter by extension when we add things to the lists.
var items = buildItems.Items
.Where(item => Path.GetFileNameWithoutExtension(item.Path).Equals(package.Id, StringComparison.OrdinalIgnoreCase))
.ToList();
targets.AddRange(items
.Select(c => c.Path)
.Where(path => Path.GetExtension(path).Equals(".targets", StringComparison.OrdinalIgnoreCase))
.Select(path => Path.Combine(pathResolver.GetPackageDirectory(package.Id, package.Version), path.Replace('/', Path.DirectorySeparatorChar))));
props.AddRange(items
.Select(c => c.Path)
.Where(path => Path.GetExtension(path).Equals(".props", StringComparison.OrdinalIgnoreCase))
.Select(path => Path.Combine(pathResolver.GetPackageDirectory(package.Id, package.Version), path.Replace('/', Path.DirectorySeparatorChar))));
}
}
}
// Generate the files as needed
var targetsName = $"{project.Name}.nuget.targets";
var propsName = $"{project.Name}.nuget.props";
var targetsPath = Path.Combine(project.BaseDirectory, targetsName);
var propsPath = Path.Combine(project.BaseDirectory, propsName);
if (targets.Any())
{
_log.LogInformation($"Generating MSBuild file {targetsName}");
GenerateImportsFile(repository, targetsPath, targets);
}
else if (File.Exists(targetsPath))
{
File.Delete(targetsPath);
}
if (props.Any())
{
_log.LogInformation($"Generating MSBuild file {propsName}");
GenerateImportsFile(repository, propsPath, props);
}
else if (File.Exists(propsPath))
{
File.Delete(propsPath);
}
}