Update ProcessFrameworkReferences and ResolveAppHosts to not look for runtime-specific assets for the any RID

src/Tasks/Microsoft.NET.Build.Tasks/DependencyContextBuilder.cs

@@ -112,7 +112,7 @@ public DependencyContextBuilder(
                 runtimeIdentifier,
                 string.IsNullOrWhiteSpace(platformLibraryName));
 
-            _isPortable = _isFrameworkDependent && string.IsNullOrEmpty(_runtimeIdentifier);
+            _isPortable = _isFrameworkDependent && (string.IsNullOrEmpty(_runtimeIdentifier) || _runtimeIdentifier == "any");
 
             if (_isFrameworkDependent != true || _isPortable != true)
             {
@@ -317,7 +317,7 @@ public DependencyContext Build(string[] userRuntimeAssemblies = null)
              * 1. If runtimeAssemblyGroups, nativeLibraryGroups, dependencies, and resourceAssemblies are all empty, remove this runtimeLibrary as well as any dependencies on it.
              * 2. Add all runtimeLibraries to a list of to-be-processed libraries called libraryCandidatesForRemoval
              * 3. libraryCandidatesForRemoval.Pop() --> if there are no runtimeAssemblyGroups, nativeLibraryGroups, or resourceAssemblies, and either dependencies is empty or all
-             *      dependencies have something else that depends on them, remove it (and from libraryCandidatesForRemoval), adding everything that depends on this to 
+             *      dependencies have something else that depends on them, remove it (and from libraryCandidatesForRemoval), adding everything that depends on this to
              *      libraryCandidatesForRemoval if it isn't already there
              * Repeat 3 until libraryCandidatesForRemoval is empty
              */
@@ -483,8 +483,8 @@ public DependencyContext Build(string[] userRuntimeAssemblies = null)
                 runtimeSignature: string.Empty,
                 _isPortable);
 
-            // Compute the runtime fallback graph 
-            // 
+            // Compute the runtime fallback graph
+            //
             // If the input RuntimeGraph is empty, or we're not compiling
             // for a specific RID, then an runtime fallback graph is empty
             //

src/Tasks/Microsoft.NET.Build.Tasks/GenerateDepsFile.cs

@@ -31,6 +31,11 @@ public class GenerateDepsFile : TaskBase
 
         public string RuntimeIdentifier { get; set; }
 
+        /// <summary>
+        /// Strips the RID if it's any, because that's not reasonable
+        /// </summary>
+        private string EffectiveRuntimeIdentifier => string.IsNullOrEmpty(RuntimeIdentifier) ? null : RuntimeIdentifier == "any" ? null : RuntimeIdentifier;
+
         public string PlatformLibraryName { get; set; }
 
         public ITaskItem[] RuntimeFrameworks { get; set; }
@@ -95,7 +100,7 @@ public class GenerateDepsFile : TaskBase
 
         public bool IncludeProjectsNotInAssetsFile { get; set; }
 
-        // List of runtime identifer (platform part only) to validate for runtime assets
+        // List of runtime identifier (platform part only) to validate for runtime assets
         // If set, the task will warn on any RIDs that aren't in the list
         public string[] ValidRuntimeIdentifierPlatformsForAssets { get; set; }
 
@@ -137,7 +142,7 @@ private void WriteDepsFile(string depsFilePath)
                 LockFile lockFile = new LockFileCache(this).GetLockFile(AssetsFilePath);
                 projectContext = lockFile.CreateProjectContext(
                     TargetFramework,
-                    RuntimeIdentifier,
+                    EffectiveRuntimeIdentifier,
                     PlatformLibraryName,
                     RuntimeFrameworks,
                     IsSelfContained);
@@ -226,7 +231,7 @@ bool ShouldIncludeRuntimeAsset(ITaskItem item)
                     RuntimeFrameworks,
                     isSelfContained: IsSelfContained,
                     platformLibraryName: PlatformLibraryName,
-                    runtimeIdentifier: RuntimeIdentifier,
+                    runtimeIdentifier: EffectiveRuntimeIdentifier,
                     targetFramework: TargetFramework);
             }
 

src/Tasks/Microsoft.NET.Build.Tasks/LockFileExtensions.cs

@@ -94,7 +94,7 @@ public static ProjectContext CreateProjectContext(
         public static bool IsFrameworkDependent(ITaskItem[] runtimeFrameworks, bool isSelfContained, string runtimeIdentifier, bool hasPlatformLibrary)
         {
             return (hasPlatformLibrary || runtimeFrameworks?.Any() == true) &&
-                (!isSelfContained || string.IsNullOrEmpty(runtimeIdentifier));
+                (!isSelfContained || (string.IsNullOrEmpty(runtimeIdentifier) || runtimeIdentifier == "any"));
         }
 
         public static LockFileTargetLibrary GetLibrary(this LockFileTarget lockFileTarget, string libraryName)

src/Tasks/Microsoft.NET.Build.Tasks/ProcessFrameworkReferences.cs

@@ -335,6 +335,7 @@ out List<KnownRuntimePack> knownRuntimePacksForTargetFramework
                 var runtimeRequiredByDeployment
                     = (SelfContained || ReadyToRunEnabled) &&
                       !string.IsNullOrEmpty(RuntimeIdentifier) &&
+                      RuntimeIdentifier != "any" &&
                       selectedRuntimePack != null &&
                       !string.IsNullOrEmpty(selectedRuntimePack.Value.RuntimePackNamePatterns);
 
@@ -372,6 +373,13 @@ var runtimeRequiredByDeployment
                             continue;
                         }
 
+                        if (runtimeIdentifier == "any")
+                        {
+                            // The `any` RID represents a platform-agnostic target. As such, it has no
+                            // platform-specific runtime pack associated with it.
+                            continue;
+                        }
+
                         //  Pass in null for the runtimePacks list, as for these runtime identifiers we only want to
                         //  download the runtime packs, but not use the assets from them
                         ProcessRuntimeIdentifier(runtimeIdentifier, runtimePackForRuntimeIDProcessing, runtimePackVersion, additionalFrameworkReferencesForRuntimePack: null,

src/Tasks/Microsoft.NET.Build.Tasks/ResolveAppHosts.cs

@@ -188,6 +188,13 @@ protected override void ExecuteCore()
             {
                 foreach (var otherRuntimeIdentifier in OtherRuntimeIdentifiers)
                 {
+                    // The 'any' RID represents a platform-agnostic platform. As such, it has no
+                    // apphost pack associated with it.
+                    if (otherRuntimeIdentifier == "any")
+                    {
+                        continue;
+                    }
+
                     //  Download any apphost packages for other runtime identifiers.
                     //  This allows you to specify the list of RIDs in RuntimeIdentifiers and only restore once,
                     //  and then build for each RuntimeIdentifier without restoring separately.

test/Microsoft.DotNet.PackageInstall.Tests/EndToEndToolTests.cs

@@ -260,11 +260,9 @@ public void PackageToolWithAnyRid()
                 .And.Satisfy<string>(EnsurePackageIsFdd);
 
             // top-level package should declare all of the rids
-            var topLevelPackage = packages.First(p => p.EndsWith($"{packageIdentifier}.{toolSettings.ToolPackageVersion}.nupkg"));
-            var settingsXml = GetToolSettingsFile(topLevelPackage);
-            var packageNodes = GetRidsInSettingsFile(settingsXml);
-
-            packageNodes.Should().BeEquivalentTo([.. expectedRids, "any"], "The top-level package should declare all of the RIDs for the tools it contains");
+            var topLevelPackage = packages.FirstOrDefault(p => p.EndsWith($"{packageIdentifier}.{toolSettings.ToolPackageVersion}.nupkg"));
+            topLevelPackage.Should().NotBeNull($"Package {packageIdentifier}.{toolSettings.ToolPackageVersion}.nupkg should be present in the tool packages directory")
+                .And.Satisfy<string>(SupportAllOfTheseRuntimes([.. expectedRids, "any"]));
         }
 
         [Fact]
@@ -353,6 +351,45 @@ public void StripsPackageTypesFromInnerToolPackages()
             foundRids.Should().BeEquivalentTo(expectedRids, "The top-level package should declare all of the RIDs for the tools it contains");
         }
 
+        [Fact]
+        public void MixedPackageTypesBuildInASingleBatchSuccessfully()
+        {
+            var toolSettings = new TestToolBuilder.TestToolSettings()
+            {
+                RidSpecific = true,
+                IncludeAnyRid = true,
+                SelfContained = true // ensure that the RID-specific packages get runtime packs/assets - but the any RID package does not!
+            };
+            string toolPackagesPath = ToolBuilder.CreateTestTool(Log, toolSettings, collectBinlogs: true);
+
+            var packages = Directory.GetFiles(toolPackagesPath, "*.nupkg");
+            var packageIdentifier = toolSettings.ToolPackageId;
+            var ridSpecificPackages = ToolsetInfo.LatestRuntimeIdentifiers.Split(';');
+            packages.Length.Should().Be(ridSpecificPackages.Length + 1 + 1, "There should be one package for the tool-wrapper and one for each RID, and one for the any rid");
+            foreach (string rid in ridSpecificPackages)
+            {
+                var packageName = $"{toolSettings.ToolPackageId}.{rid}.{toolSettings.ToolPackageVersion}";
+                var package = packages.FirstOrDefault(p => p.EndsWith(packageName + ".nupkg"));
+                package.Should()
+                    .NotBeNull($"Package {packageName} should be present in the tool packages directory")
+                    .And.Satisfy<string>(EnsurePackageIsAnExecutable)
+                    .And.Satisfy<string>(EnsurePackageOnlyHasToolRidPackageType);
+            }
+
+            var agnosticFallbackPackageId = $"{toolSettings.ToolPackageId}.any.{toolSettings.ToolPackageVersion}";
+            var agnosticFallbackPackage = packages.FirstOrDefault(p => p.EndsWith(agnosticFallbackPackageId + ".nupkg"));
+            agnosticFallbackPackage.Should()
+                .NotBeNull($"Package {agnosticFallbackPackageId} should be present in the tool packages directory")
+                .And.Satisfy<string>(EnsurePackageIsFdd)
+                .And.Satisfy<string>(EnsurePackageOnlyHasToolRidPackageType);
+
+            // top-level package should declare all of the rids
+            var topLevelPackage = packages.First(p => p.EndsWith($"{packageIdentifier}.{toolSettings.ToolPackageVersion}.nupkg"));
+            topLevelPackage.Should().NotBeNull($"Package {packageIdentifier}.{toolSettings.ToolPackageVersion}.nupkg should be present in the tool packages directory")
+                .And.Satisfy<string>(EnsurePackageHasNoRunner)
+                .And.Satisfy(SupportAllOfTheseRuntimes([..ridSpecificPackages, "any"]));
+        }
+
         private Action<string> EnsurePackageHasToolPackageTypeAnd(string[] additionalPackageTypes) => (string packagePath) =>
         {
             var nuspec = GetPackageNuspec(packagePath);
@@ -363,6 +400,13 @@ private Action<string> EnsurePackageHasToolPackageTypeAnd(string[] additionalPac
                 .And.BeEquivalentTo(expectedPackageTypes, "The PackageType should be 'DotnetTool'.");
         };
 
+        private Action<string> SupportAllOfTheseRuntimes(string[] runtimes) => (string packagePath) =>
+        {
+            var settingsXml = GetToolSettingsFile(packagePath);
+            var rids = GetRidsInSettingsFile(settingsXml);
+            rids.Should().BeEquivalentTo(runtimes, "The tool settings file should contain all of the specified RuntimeIdentifierPackage elements.");
+        };
+
         static void EnsurePackageOnlyHasToolRidPackageType(string packagePath)
         {
             var nuspec = GetPackageNuspec(packagePath);

test/Microsoft.DotNet.PackageInstall.Tests/TestToolBuilder.cs

@@ -28,12 +28,28 @@ public class TestToolSettings
             public string ToolPackageVersion { get; set; } = "1.0.0";
             public string ToolCommandName { get; set; } = "TestTool";
             public string[]? AdditionalPackageTypes { get; set; } = null;
-
             public bool NativeAOT { get; set { field = value; this.RidSpecific = value; } } = false;
             public bool SelfContained { get; set { field = value; this.RidSpecific = value; } } = false;
             public bool Trimmed { get; set { field = value; this.RidSpecific = value; } } = false;
+
+            /// <summary>
+            /// If set, the generated tool will include the <c>any</c> RID in the list of RIDs to target.
+            /// This will cause a framework-dependent, platform-agnostic package to be created.
+            /// </summary>
             public bool IncludeAnyRid { get; set { field = value; } } = false;
+
+            /// <summary>
+            /// If set, the generated tool will target all of the RIDs specified in <see cref="ToolsetInfo.LatestRuntimeIdentifiers"/>.
+            /// Defaults to <see langword="false"/>.
+            /// </summary>
             public bool RidSpecific { get; set; } = false;
+
+            /// <summary>
+            /// If set, the generated tool will include the current executing platform's RID in the list of RIDs to target
+            /// (which is otherwise made of <see cref="ToolsetInfo.LatestRuntimeIdentifiers"/>.) If set to <see langword="false"/>,
+            /// the current RID will be stripped from that set.
+            /// Defaults to <see langword="true"/>.
+            /// </summary>
             public bool IncludeCurrentRid { get; set; } = true;
 
             public string GetIdentifier() {