Add capability to add a framework switch and also make sure to return…

NuGetUtility.sln

@@ -44,6 +44,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "EmptyCppProject", "tests\ta
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "VersionRangesProject", "tests\targets\VersionRangesProject\VersionRangesProject.csproj", "{6C96D10E-6CB6-4387-922F-C7C97C037495}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MultiTargetProjectWithDifferentDependencies", "tests\targets\MultiTargetProjectWithDifferentDependencies\MultiTargetProjectWithDifferentDependencies.csproj", "{A19BF89A-8B1F-4612-A923-08F52B53DC84}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -285,6 +287,24 @@ Global
 		{6C96D10E-6CB6-4387-922F-C7C97C037495}.TestWindows|x64.Build.0 = Debug|Any CPU
 		{6C96D10E-6CB6-4387-922F-C7C97C037495}.TestWindows|x86.ActiveCfg = Debug|Any CPU
 		{6C96D10E-6CB6-4387-922F-C7C97C037495}.TestWindows|x86.Build.0 = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Debug|x64.Build.0 = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Debug|x86.Build.0 = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Release|x64.ActiveCfg = Release|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Release|x64.Build.0 = Release|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Release|x86.ActiveCfg = Release|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.Release|x86.Build.0 = Release|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.TestWindows|Any CPU.ActiveCfg = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.TestWindows|Any CPU.Build.0 = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.TestWindows|x64.ActiveCfg = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.TestWindows|x64.Build.0 = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.TestWindows|x86.ActiveCfg = Debug|Any CPU
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84}.TestWindows|x86.Build.0 = Debug|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -304,6 +324,7 @@ Global
 		{01704839-219A-4CE2-93F4-DB3CB8773DCE} = {FFB2826C-17A3-4C18-8FFE-A34AB51592F7}
 		{9B107A91-87F9-420C-ADF8-732C77DAFB93} = {FA92392F-D895-4D1E-A5ED-E6DC3C08223E}
 		{6C96D10E-6CB6-4387-922F-C7C97C037495} = {FA92392F-D895-4D1E-A5ED-E6DC3C08223E}
+		{A19BF89A-8B1F-4612-A923-08F52B53DC84} = {FA92392F-D895-4D1E-A5ED-E6DC3C08223E}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {70887D40-0182-4C32-BFA1-B5A02E405F11}

README.md

@@ -23,7 +23,7 @@ Usage: nuget-license [options]
 
 **Options:**
 
-| Option | Description               |
+| Option | Description |
 | ------ | ------------------------- |
 | `--version` | Show version information. |
 | `-i\|--input <INPUT_FILE>` | The project (or solution) file for which to analyze dependency licenses |
@@ -38,6 +38,7 @@ Usage: nuget-license [options]
 | `-err\|--error-only` | If this option is set and there are license validation errors, only the errors are returned as result. Otherwise all validation results are always returned. |
 | `-include-ignored\|--include-ignored-packages` | If this option is set, the packages that are ignored from validation are still included in the output. |
 | `-exclude-projects\|--exclude-projects-matching <EXCLUDED_PROJECTS>` | This option allows to specify project name(s) to exclude from the analysis. This can be useful to exclude test projects from the analysis when supplying a solution file as input. Wildcard characters (*) are supported to specify ranges of ignored projects. The input can either be a file name containing a list of project names in json format or a plain string that is then used as a single entry. |
+| `-f\|--target-framework <TARGET_FRAMEWORK>` | This option allows to select a Target framework mockier (https://learn.microsoft.com/en-us/dotnet/standard/frameworks) for which to analyze dependencies. |
 | `-?\|-h\|--help` | Show help information. |
 
 ## Example tool commands

src/NuGetUtility/NuGetUtility.csproj

@@ -36,18 +36,14 @@
     <PackageReference Include="Microsoft.Build" ExcludeAssets="runtime" Version="17.3.*" />
   </ItemGroup>
 
-  <ItemGroup Condition="'$(TargetFramework)' == 'net7.0'">
-    <PackageReference Include="Microsoft.Build" ExcludeAssets="runtime" Version="17.6.*" />
-  </ItemGroup>
-
   <ItemGroup Condition="'$(TargetFramework)' == 'net8.0'">
-    <PackageReference Include="Microsoft.Build" ExcludeAssets="runtime" Version="17.9.*" />
+    <PackageReference Include="Microsoft.Build" ExcludeAssets="runtime" Version="17.11.*" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFramework)' == 'net472'">
     <PackageReference Include="Microsoft.Bcl.HashCode" Version="1.1.1" />
     <PackageReference Include="System.Collections.Immutable" Version="8.0.0" />
-    <PackageReference Include="Microsoft.Build" ExcludeAssets="runtime" Version="17.9.*" />
+    <PackageReference Include="Microsoft.Build" ExcludeAssets="runtime" Version="17.11.*" />
     <PackageReference Include="PolySharp" Version="1.14.*">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

src/NuGetUtility/Program.cs

@@ -93,6 +93,11 @@ public class Program
             Description = "This option allows to specify project name(s) to exclude from the analysis. This can be useful to exclude test projects from the analysis when supplying a solution file as input. Wildcard characters (*) are supported to specify ranges of ignored projects. The input can either be a file name containing a list of project names in json format or a plain string that is then used as a single entry.")]
         public string? ExcludedProjects { get; } = null;
 
+        [Option(LongName = "target-framework",
+            ShortName = "f",
+            Description = "This option allows to select a Target framework mockier (https://learn.microsoft.com/en-us/dotnet/standard/frameworks) for which to analyze dependencies.")]
+        public string? TargetFramework { get; } = null;
+
         private static string GetVersion()
             => typeof(Program).Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion ?? string.Empty;
 

src/NuGetUtility/ReferencedPackagesReader/ReferencedPackageReader.cs

@@ -25,11 +25,11 @@ public ReferencedPackageReader(IMsBuildAbstraction msBuild,
             _packagesConfigReader = packagesConfigReader;
         }
 
-        public IEnumerable<PackageIdentity> GetInstalledPackages(string projectPath, bool includeTransitive)
+        public IEnumerable<PackageIdentity> GetInstalledPackages(string projectPath, bool includeTransitive, string? targetFramework = null)
         {
             IProject project = _msBuild.GetProject(projectPath);
 
-            if (TryGetInstalledPackagesFromAssetsFile(includeTransitive, project, out IEnumerable<PackageIdentity>? dependencies))
+            if (TryGetInstalledPackagesFromAssetsFile(includeTransitive, project, targetFramework, out IEnumerable<PackageIdentity>? dependencies))
             {
                 return dependencies;
             }
@@ -44,6 +44,7 @@ public IEnumerable<PackageIdentity> GetInstalledPackages(string projectPath, boo
 
         private bool TryGetInstalledPackagesFromAssetsFile(bool includeTransitive,
             IProject project,
+            string? targetFramework,
             [NotNullWhen(true)] out IEnumerable<PackageIdentity>? installedPackages)
         {
             installedPackages = null;
@@ -54,42 +55,37 @@ private bool TryGetInstalledPackagesFromAssetsFile(bool includeTransitive,
 
             var referencedLibraries = new HashSet<ILockFileLibrary>();
 
-            foreach (ILockFileTarget target in assetsFile.Targets!)
+            if (targetFramework is not null)
             {
-                IEnumerable<ILockFileLibrary> referencedLibrariesForTarget =
-                    GetReferencedLibrariesForTarget(project, includeTransitive, assetsFile, target);
-                referencedLibraries.AddRange(referencedLibrariesForTarget);
+                ILockFileTarget target = (assetsFile.Targets?.FirstOrDefault(t => t.TargetFramework.Equals(targetFramework))) ??
+                    throw new ReferencedPackageReaderException($"Target framework {targetFramework} not found.");
+
+                referencedLibraries.AddRange(GetReferencedLibrariesForTarget(includeTransitive, assetsFile, target));
+            }
+            else
+            {
+                foreach (ILockFileTarget target in assetsFile.Targets!)
+                {
+                    referencedLibraries.AddRange(GetReferencedLibrariesForTarget(includeTransitive, assetsFile, target));
+                }
             }
 
             installedPackages = referencedLibraries.Select(r => new PackageIdentity(r.Name, r.Version));
             return true;
         }
 
-        private IEnumerable<ILockFileLibrary> GetReferencedLibrariesForTarget(IProject project,
-            bool includeTransitive,
+        private static IEnumerable<ILockFileLibrary> GetReferencedLibrariesForTarget(bool includeTransitive,
             ILockFile assetsFile,
             ILockFileTarget target)
         {
-            IEnumerable<ILockFileLibrary> referencedLibrariesForTarget = assetsFile.Libraries.Where(l => l.Type != ProjectReferenceIdentifier);
-
+            IEnumerable<ILockFileLibrary> dependencies = target.Libraries.Where(l => l.Type != ProjectReferenceIdentifier);
             if (!includeTransitive)
             {
                 ITargetFrameworkInformation targetFrameworkInformation = GetTargetFrameworkInformation(target, assetsFile);
-                IEnumerable<string> directlyReferencedPackages = _msBuild.GetPackageReferencesFromProjectForFramework(project,
-                    targetFrameworkInformation.FrameworkName.ToString()!);
-
-                referencedLibrariesForTarget =
-                    referencedLibrariesForTarget.Where(l => IsDirectlyReferenced(l, directlyReferencedPackages));
+                IEnumerable<ILibraryDependency> directDependencies = targetFrameworkInformation.Dependencies;
+                return dependencies.Where(d => directDependencies.Any(direct => direct.Name == d.Name));
             }
-
-            return referencedLibrariesForTarget;
-        }
-
-        private bool IsDirectlyReferenced(ILockFileLibrary library,
-            IEnumerable<string> directlyReferencedPackages)
-        {
-            return directlyReferencedPackages.Any(p =>
-                library.Name.Equals(p, StringComparison.OrdinalIgnoreCase));
+            return dependencies;
         }
 
         private static ITargetFrameworkInformation GetTargetFrameworkInformation(ILockFileTarget target,

src/NuGetUtility/Wrapper/MsBuildWrapper/IMsBuildAbstraction.cs

@@ -5,7 +5,6 @@ namespace NuGetUtility.Wrapper.MsBuildWrapper
 {
     public interface IMsBuildAbstraction
     {
-        IEnumerable<string> GetPackageReferencesFromProjectForFramework(IProject project, string framework);
         IProject GetProject(string projectPath);
         IEnumerable<string> GetProjectsFromSolution(string inputPath);
     }

src/NuGetUtility/Wrapper/MsBuildWrapper/MsBuildAbstraction.cs

@@ -3,16 +3,12 @@
 
 using Microsoft.Build.Construction;
 using Microsoft.Build.Evaluation;
-using Microsoft.Build.Exceptions;
-using Microsoft.Build.Execution;
-using Microsoft.Build.Framework;
 using Microsoft.Build.Locator;
 
 namespace NuGetUtility.Wrapper.MsBuildWrapper
 {
     public class MsBuildAbstraction : IMsBuildAbstraction
     {
-        private const string CollectPackageReferences = "CollectPackageReferences";
         private ProjectCollection? _projects;
 
         private ProjectCollection Projects => _projects ??= InitializeProjectCollection();
@@ -22,20 +18,6 @@ public MsBuildAbstraction()
             RegisterMsBuildLocatorIfNeeded();
         }
 
-        public IEnumerable<string> GetPackageReferencesFromProjectForFramework(IProject project,
-            string framework)
-        {
-            var globalProperties = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase)
-            {
-                { "TargetFramework", framework }
-            };
-            var newProject = new ProjectInstance(project.FullPath, globalProperties, null);
-            newProject.Build(new[] { CollectPackageReferences }, new List<ILogger>(), out IDictionary<string, TargetResult>? targetOutputs);
-
-            return targetOutputs.First(e => e.Key.Equals(CollectPackageReferences))
-                .Value.Items.Select(p => p.ItemSpec);
-        }
-
         public IProject GetProject(string projectPath)
         {
 #if !NETFRAMEWORK
@@ -65,18 +47,6 @@ private static void RegisterMsBuildLocatorIfNeeded()
             }
         }
 
-        private static ProjectRootElement TryGetProjectRootElement(string projectPath)
-        {
-            try
-            {
-                return ProjectRootElement.Open(projectPath, ProjectCollection.GlobalProjectCollection)!;
-            }
-            catch (InvalidProjectFileException e)
-            {
-                throw new MsBuildAbstractionException($"Failed to open project: {projectPath}", e);
-            }
-        }
-
         private static ProjectCollection InitializeProjectCollection()
         {
             ProjectCollection collection = ProjectCollection.GlobalProjectCollection;

src/NuGetUtility/Wrapper/NuGetWrapper/Frameworks/INuGetFramework.cs

@@ -6,5 +6,6 @@ namespace NuGetUtility.Wrapper.NuGetWrapper.Frameworks
     public interface INuGetFramework
     {
         string? ToString();
+        bool Equals(string targetFramework);
     }
 }

src/NuGetUtility/Wrapper/NuGetWrapper/Frameworks/WrappedNuGetFramework.cs

@@ -24,6 +24,12 @@ public override bool Equals(object? obj)
             return false;
         }
 
+        public bool Equals(string targetFramework)
+        {
+            var other = NuGetFramework.Parse(targetFramework);
+            return _framework.Equals(other);
+        }
+
         public override int GetHashCode()
         {
             return _framework.GetHashCode();

src/NuGetUtility/Wrapper/NuGetWrapper/ProjectModel/ILibraryDependency.cs

@@ -0,0 +1,10 @@
+// Licensed to the projects contributors.
+// The license conditions are provided in the LICENSE file located in the project root
+
+namespace NuGetUtility.Wrapper.NuGetWrapper.ProjectModel
+{
+    public interface ILibraryDependency
+    {
+        string Name { get; }
+    }
+}

src/NuGetUtility/Wrapper/NuGetWrapper/ProjectModel/ILockFile.cs

@@ -7,7 +7,5 @@ public interface ILockFile
     {
         IPackageSpec PackageSpec { get; }
         IEnumerable<ILockFileTarget>? Targets { get; }
-
-        IEnumerable<ILockFileLibrary> Libraries { get; }
     }
 }

src/NuGetUtility/Wrapper/NuGetWrapper/ProjectModel/ILockFileTarget.cs

@@ -8,5 +8,6 @@ namespace NuGetUtility.Wrapper.NuGetWrapper.ProjectModel
     public interface ILockFileTarget
     {
         INuGetFramework TargetFramework { get; }
+        IEnumerable<ILockFileLibrary> Libraries { get; }
     }
 }

src/NuGetUtility/Wrapper/NuGetWrapper/ProjectModel/ITargetFrameworkInformation.cs

@@ -8,5 +8,6 @@ namespace NuGetUtility.Wrapper.NuGetWrapper.ProjectModel
     public interface ITargetFrameworkInformation
     {
         INuGetFramework FrameworkName { get; }
+        IEnumerable<ILibraryDependency> Dependencies { get; }
     }
 }

src/NuGetUtility/Wrapper/NuGetWrapper/ProjectModel/WrappedLibraryDependency.cs

@@ -0,0 +1,18 @@
+// Licensed to the projects contributors.
+// The license conditions are provided in the LICENSE file located in the project root
+
+using NuGet.LibraryModel;
+
+namespace NuGetUtility.Wrapper.NuGetWrapper.ProjectModel
+{
+    internal class WrappedLibraryDependency : ILibraryDependency
+    {
+        private readonly LibraryDependency _dependency;
+
+        public WrappedLibraryDependency(LibraryDependency dependency)
+        {
+            _dependency = dependency;
+        }
+        public string Name => _dependency.Name;
+    }
+}

src/NuGetUtility/Wrapper/NuGetWrapper/ProjectModel/WrappedLockFileTarget.cs

@@ -16,5 +16,7 @@ public WrappedLockFileTarget(LockFileTarget target)
         }
 
         public INuGetFramework TargetFramework => new WrappedNuGetFramework(_target.TargetFramework);
+
+        public IEnumerable<ILockFileLibrary> Libraries => _target.Libraries.Select(l => new WrappedLockFileTargetLibrary(l));
     }
 }

src/NuGetUtility/Wrapper/NuGetWrapper/ProjectModel/WrappedLockFileTargetLibrary.cs

@@ -0,0 +1,24 @@
+// Licensed to the projects contributors.
+// The license conditions are provided in the LICENSE file located in the project root
+
+using NuGet.ProjectModel;
+using NuGetUtility.Wrapper.NuGetWrapper.Versioning;
+
+namespace NuGetUtility.Wrapper.NuGetWrapper.ProjectModel
+{
+    internal class WrappedLockFileTargetLibrary : ILockFileLibrary
+    {
+        public WrappedLockFileTargetLibrary(LockFileTargetLibrary library)
+        {
+            Type = library.Type ?? throw new ArgumentNullException(nameof(library), $"The field {nameof(library.Type)} on {nameof(library)} must not be null");
+            Name = library.Name ?? throw new ArgumentNullException(nameof(library), $"The field {nameof(library.Name)} on {nameof(library)} must not be null");
+            Version = new WrappedNuGetVersion(library.Version ?? throw new ArgumentNullException(nameof(library), $"The field {nameof(library.Version)} on {nameof(library)} must not be null"));
+        }
+
+        public string Type { get; }
+
+        public string Name { get; }
+
+        public INuGetVersion Version { get; }
+    }
+}

src/NuGetUtility/Wrapper/NuGetWrapper/ProjectModel/WrappedTargetFrameworkInformation.cs

@@ -17,6 +17,8 @@ public WrappedTargetFrameworkInformation(TargetFrameworkInformation info)
 
         public INuGetFramework FrameworkName => new WrappedNuGetFramework(_info.FrameworkName);
 
+        public IEnumerable<ILibraryDependency> Dependencies => _info.Dependencies.Select(library => new WrappedLibraryDependency(library));
+
         public override string ToString()
         {
             return _info.ToString();

tests/NuGetUtility.Test/NuGetUtility.Test.csproj

@@ -30,7 +30,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Selenium.WebDriver" Version="4.21.0" />
+    <PackageReference Include="Selenium.WebDriver" Version="4.24.0" />
     <PackageReference Include="Verify.NUnit" Version="22.5.0" />
   </ItemGroup>