Supply RuntimeIdentifier graph to NuGet

Fix #3325

Author: dsplaisted

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

@@ -49,9 +49,6 @@ public class ProcessFrameworkReferences : TaskBase
         [Output]
         public ITaskItem[] PackagesToDownload { get; set; }
 
-        [Output]
-        public ITaskItem[] LegacyFrameworkPackages { get; set; }
-
         [Output]
         public ITaskItem[] RuntimeFrameworks { get; set; }
 
@@ -84,7 +81,6 @@ protected override void ExecuteCore()
             var frameworkReferenceMap = FrameworkReferences.ToDictionary(fr => fr.ItemSpec, StringComparer.OrdinalIgnoreCase);
 
             List<ITaskItem> packagesToDownload = new List<ITaskItem>();
-            List<ITaskItem> legacyFrameworkPackages = new List<ITaskItem>();
             List<ITaskItem> runtimeFrameworks = new List<ITaskItem>();
             List<ITaskItem> targetingPacks = new List<ITaskItem>();
             List<ITaskItem> runtimePacks = new List<ITaskItem>();
@@ -112,18 +108,6 @@ protected override void ExecuteCore()
                     continue;
                 }
 
-                if (frameworkReference != null && !string.IsNullOrEmpty(knownFrameworkReference.LegacyFrameworkPackages))
-                {
-                    foreach (var packageAndVersion in knownFrameworkReference.LegacyFrameworkPackages.Split(';'))
-                    {
-                        var items = packageAndVersion.Split('/');
-                        TaskItem packageToReference = new TaskItem(items[0]);
-                        packageToReference.SetMetadata(MetadataKeys.Version, items[1]);
-
-                        legacyFrameworkPackages.Add(packageToReference);
-                    }
-                }
-
                 //  Get the path of the targeting pack in the targeting pack root (e.g. dotnet/ref)
                 TaskItem targetingPack = new TaskItem(knownFrameworkReference.Name);
                 targetingPack.SetMetadata(MetadataKeys.PackageName, knownFrameworkReference.TargetingPackName);
@@ -230,11 +214,6 @@ protected override void ExecuteCore()
                 PackagesToDownload = packagesToDownload.ToArray();
             }
 
-            if (legacyFrameworkPackages.Any())
-            {
-                LegacyFrameworkPackages = legacyFrameworkPackages.ToArray();
-            }
-
             if (runtimeFrameworks.Any())
             {
                 RuntimeFrameworks = runtimeFrameworks.ToArray();
@@ -412,19 +391,6 @@ public KnownFrameworkReference(ITaskItem item)
 
             public string Profile => _item.GetMetadata("Profile");
 
-            public string LegacyFrameworkPackages
-            {
-                get
-                {
-                    var packages = _item.GetMetadata("LegacyFrameworkPackages");
-                    if (string.IsNullOrEmpty(packages))
-                    {
-                        packages = _item.GetMetadata("PackagesToReference");
-                    }
-                    return packages;
-                }
-            }
-
             public NuGetFramework TargetFramework { get; }
         }
     }

src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.Sdk.Common.targets

@@ -25,6 +25,9 @@ Copyright (c) .NET Foundation. All rights reserved.
           Should be re-visited when multiple TFM support is added to Dependencies logic.
     -->
     <DefaultImplicitPackages>Microsoft.NETCore.App;NETStandard.Library</DefaultImplicitPackages>
+
+    <!-- Set RuntimeIdentifier graph for NuGet -->
+    <RuntimeIdentifierGraphPath Condition="'$(RuntimeIdentifierGraphPath)' == ''">$(BundledRuntimeIdentifierGraphFile)</RuntimeIdentifierGraphPath>
   </PropertyGroup>
 
   <!--

src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.Sdk.FrameworkReferenceResolution.targets

@@ -70,7 +70,6 @@ Copyright (c) .NET Foundation. All rights reserved.
                                 EnableTargetingPackDownload="$(EnableTargetingPackDownload)">
 
       <Output TaskParameter="PackagesToDownload" ItemName="_PackageToDownload" />
-      <Output TaskParameter="LegacyFrameworkPackages" ItemName="_LegacyFrameworkPackage" />
       <Output TaskParameter="RuntimeFrameworks" ItemName="RuntimeFramework" />
       <Output TaskParameter="TargetingPacks" ItemName="TargetingPack" />
       <Output TaskParameter="RuntimePacks" ItemName="RuntimePack" />
@@ -121,17 +120,6 @@ Copyright (c) .NET Foundation. All rights reserved.
                         PrivateAssets="all"
                         ExcludeAssets="all" />
     </ItemGroup>
-
-    <!-- Only add these "legacy" package references if there are already existing package references,
-         as they are only needed in those scenarios (for example supplying the RID graph to
-         NuGet, or preventing older versions of Framework packages from being used). -->
-    <ItemGroup Condition="'@(PackageReference)' != '' and '$(DisableImplicitFrameworkReferences)' != 'true'">
-      <PackageReference Include="@(_LegacyFrameworkPackage)"
-                        IsImplicitlyDefined="true"
-                        PrivateAssets="all"
-                        ExcludeAssets="all" />
-    </ItemGroup>
-
   </Target>
 
   <!--