aspnetcore/build/tasks/BuildGraph/GraphBuilder.cs

51 lines
2.0 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Microsoft.Build.Utilities;
namespace RepoTools.BuildGraph
{
public static class GraphBuilder
{
public static IList<GraphNode> Generate(IList<Repository> repositories, TaskLoggingHelper log)
{
// Build global list of primary projects
var primaryProjects = repositories.SelectMany(c => c.Projects)
.ToDictionary(p => p.Name, StringComparer.OrdinalIgnoreCase);
var graphNodes = repositories.Select(r => new GraphNode { Repository = r })
.ToDictionary(r => r.Repository);
foreach (var project in repositories.SelectMany(r => r.AllProjects))
{
var thisProjectRepositoryNode = graphNodes[project.Repository];
foreach (var packageDependency in project.PackageReferences)
{
if (primaryProjects.TryGetValue(packageDependency, out var dependencyProject))
{
var dependencyRepository = dependencyProject.Repository;
var dependencyNode = graphNodes[dependencyRepository];
if (ReferenceEquals(thisProjectRepositoryNode, dependencyNode))
{
log.LogWarning("{0} has a package reference to a package produced in the same repo. {1} -> {2}", project.Repository.Name, Path.GetFileName(project.Path), packageDependency);
}
else
{
thisProjectRepositoryNode.Incoming.Add(dependencyNode);
}
dependencyNode.Outgoing.Add(thisProjectRepositoryNode);
}
}
}
return graphNodes.Values.ToList();
}
}
}