Re-enable the generation of the msbuildextensions nupkg.

Directory.Build.props

@@ -16,8 +16,7 @@
     <CoreSdkTargetFramework>netcoreapp3.0</CoreSdkTargetFramework>
 
     <ArtifactsShippingSymbolsDir>$(ArtifactsDir)symbols\$(Configuration)\Shipping</ArtifactsShippingSymbolsDir>
-
+    <NoWarn>NU5125;NU5105;NU1701</NoWarn>
-    <NoWarn>NU5125;NU5105</NoWarn>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(DisableSourceLink)' == 'true'">

eng/Versions.props

@@ -45,6 +45,7 @@
   <PropertyGroup>
     <!-- Dependencies from https://github.com/dotnet/sdk (to run tests) -->
     <MicrosoftNETSdkPackageVersion>3.0.100-preview8.19362.4</MicrosoftNETSdkPackageVersion>
+    <MicrosoftNETBuildExtensionsPackageVersion>$(MicrosoftNETSdkPackageVersion)</MicrosoftNETBuildExtensionsPackageVersion>
   </PropertyGroup>
   <PropertyGroup>
     <MicrosoftNETCoreAppPackageVersion>3.0.0-preview8-27912-07</MicrosoftNETCoreAppPackageVersion>
@@ -70,6 +71,10 @@
     <MicrosoftNETTestSdkVersion>15.8.0</MicrosoftNETTestSdkVersion>
     <MicrosoftSourceLinkVersion>1.0.0-beta2-18618-05</MicrosoftSourceLinkVersion>
   </PropertyGroup>
+  <PropertyGroup>
+    <!-- pinned dependency. This package is not being produced outside of the 2.0 branch of corefx and should not change. -->
+    <CLI_NETStandardLibraryNETFrameworkVersion>2.0.1-servicing-26011-01</CLI_NETStandardLibraryNETFrameworkVersion>
+  </PropertyGroup>
   <PropertyGroup>
     <RestoreSources>
       $(RestoreSources);

resources/MSBuildImports/Current/Microsoft.Common.CrossTargeting.targets/ImportAfter/Microsoft.TestPlatform.CrossTargeting.targets

@@ -0,0 +1,84 @@
+<!--
+***********************************************************************************************
+Microsoft.TestPlatform.CrossTargeting.targets
+
+WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
+          created a backup copy.  Incorrect changes to this file will make it
+          impossible to load or build your projects from the command-line or the IDE.
+
+Copyright (c) .NET Foundation. All rights reserved.
+***********************************************************************************************
+-->
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <VSTestTaskAssemblyFile Condition="$(VSTestTaskAssemblyFile) == ''">$(MSBuildExtensionsPath)\Microsoft.TestPlatform.Build.dll</VSTestTaskAssemblyFile>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+  </PropertyGroup>
+  <UsingTask TaskName="Microsoft.TestPlatform.Build.Tasks.VSTestLogsTask" AssemblyFile="$(VSTestTaskAssemblyFile)" />
+  <!--
+  ===================================================================================
+               DispatchToInnerBuildsWithVSTestTarget
+
+     Builds this project with /t:$(InnerVSTestTargets) /p:TargetFramework=X for each
+     value X in $(TargetFrameworks)
+
+     [IN]
+     $(TargetFrameworks) - Semicolon delimited list of target frameworks.
+     $(InnerVSTestTargets) - The targets to build for each target framework
+
+     [OUT]
+     @(InnerOutput) - The combined output items of inner targets across
+                      all target frameworks..
+
+  ===================================================================================
+  -->
+
+  <Target Name="DispatchToInnerBuildsWithVSTestTarget" Returns="@(InnerOutput)">
+    <ItemGroup>
+      <_TargetFramework Include="$(TargetFrameworks)" />
+    </ItemGroup>
+    <MSBuild Projects="$(MSBuildProjectFile)"
+             Condition="'$(TargetFrameworks)' != '' "
+             Targets="$(InnerVSTestTargets)"
+             Properties="TargetFramework=%(_TargetFramework.Identity);VSTestNoBuild=true"
+             ContinueOnError="ErrorAndContinue">
+      <Output ItemName="InnerOutput" TaskParameter="TargetOutputs" />
+    </MSBuild>
+  </Target>
+
+  <!--
+  ==================================================================================
+                                   VSTest
+
+   Cross-targeting version of VSTest.
+
+   [IN]
+   $(TargetFrameworks) - Semicolon delimited list of target frameworks.
+   $(InnerVSTestTargets) - The targets to build for each target framework. Defaults
+                         to 'VSTest' if unset, but allows override to support
+                         `msbuild /p:InnerTargets=X;Y;Z` which will build X, Y,
+                         and Z targets for each target framework.
+
+   [OUT]
+   @(InnerOutput) - The combined output items of the inner targets across
+                    all builds.
+  =================================================================================
+  -->
+  <Target Name="VSTest" >
+    <CallTarget Condition="'$(VSTestNoBuild)' != 'true'" Targets="BuildProject" />
+    <CallTarget Targets="SetVSTestInnerTarget" />
+    <CallTarget Targets="DispatchToInnerBuildsWithVSTestTarget" />
+  </Target>
+
+  <Target Name="BuildProject">
+    <Microsoft.TestPlatform.Build.Tasks.VSTestLogsTask LogType="BuildStarted" />
+    <CallTarget Targets="Build" />
+    <Microsoft.TestPlatform.Build.Tasks.VSTestLogsTask LogType="BuildCompleted" />
+  </Target>
+
+  <Target Name="SetVSTestInnerTarget" Returns="@(InnerOutput)">
+    <PropertyGroup  Condition="'$(InnerVSTestTargets)' == ''">
+      <InnerVSTestTargets>VSTest</InnerVSTestTargets>
+    </PropertyGroup>
+  </Target>
+</Project>

resources/MSBuildImports/Current/Microsoft.Common.targets/ImportAfter/Microsoft.TestPlatform.ImportAfter.targets

@@ -0,0 +1,20 @@
+<!--
+***********************************************************************************************
+Microsoft.TestPlatform.ImportAfter.targets
+
+WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
+          created a backup copy.  Incorrect changes to this file will make it
+          impossible to load or build your projects from the command-line or the IDE.
+
+Copyright (c) .NET Foundation. All rights reserved.
+***********************************************************************************************
+-->
+
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- Import Microsoft.TestPlatform.targets for VSTest target -->
+  <PropertyGroup>
+    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <VSTestTargets Condition="'$(VSTestTargets)'==''">$(MSBuildExtensionsPath)\Microsoft.TestPlatform.targets</VSTestTargets>
+  </PropertyGroup>
+  <Import Condition="Exists('$(VSTestTargets)')" Project="$(VSTestTargets)" />
+</Project>

resources/MSBuildImports/Current/SolutionFile/ImportAfter/Microsoft.NuGet.ImportAfter.targets

@@ -0,0 +1,18 @@
+<!--
+***********************************************************************************************
+Microsoft.NuGet.ImportAfter.targets
+
+WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
+          created a backup copy.  Incorrect changes to this file will make it
+          impossible to load or build your projects from the command-line or the IDE.
+
+Copyright (c) .NET Foundation. All rights reserved.
+***********************************************************************************************
+-->
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!-- Import NuGet.targets for Restore -->
+  <PropertyGroup>
+    <NuGetRestoreTargets Condition="'$(NuGetRestoreTargets)'==''">$(MSBuildExtensionsPath)\NuGet.targets</NuGetRestoreTargets>
+  </PropertyGroup>
+  <Import Condition="Exists('$(NuGetRestoreTargets)')" Project="$(NuGetRestoreTargets)" />
+</Project>

src/core-sdk-tasks/GenerateMSBuildExtensionsSWR.cs

@@ -0,0 +1,83 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Microsoft.Build.Framework;
+using Microsoft.Build.Utilities;
+using System;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace Microsoft.DotNet.Cli.Build
+{
+    public class GenerateMSBuildExtensionsSWR : Task
+    {
+        [Required]
+        public string MSBuildExtensionsLayoutDirectory { get; set; }
+
+        [Required]
+        public string OutputFile { get; set; }
+
+        public override bool Execute()
+        {
+            StringBuilder sb = new StringBuilder(SWR_HEADER);
+
+            AddFolder(sb,
+                      @"MSBuildSdkResolver",
+                      @"MSBuild\15.0\Bin\SdkResolvers\Microsoft.DotNet.MSBuildSdkResolver");
+
+            AddFolder(sb,
+                      @"msbuildExtensions",
+                      @"MSBuild");
+
+            AddFolder(sb,
+                      @"msbuildExtensions-ver",
+                      @"MSBuild\15.0");
+
+            File.WriteAllText(OutputFile, sb.ToString());
+
+            return true;
+        }
+
+        private void AddFolder(StringBuilder sb, string relativeSourcePath, string swrInstallDir)
+        {
+            string sourceFolder = Path.Combine(MSBuildExtensionsLayoutDirectory, relativeSourcePath);
+            var files = Directory.GetFiles(sourceFolder)
+                            .Where(f => !Path.GetExtension(f).Equals(".pdb", StringComparison.OrdinalIgnoreCase))
+                            .ToList();
+            if (files.Any())
+            {
+                sb.Append(@"folder ""InstallDir:\");
+                sb.Append(swrInstallDir);
+                sb.AppendLine(@"\""");
+
+                foreach (var file in files)
+                {
+                    sb.Append(@"  file source=""!(bindpath.sources)\Redist\Common\NetCoreSDK\MSBuildExtensions\");
+                    sb.Append(Path.Combine(relativeSourcePath, Path.GetFileName(file)));
+                    sb.AppendLine("\"");
+                }
+
+                sb.AppendLine();
+            }
+
+            foreach (var subfolder in Directory.GetDirectories(sourceFolder))
+            {
+                string subfolderName = Path.GetFileName(subfolder);
+                string newRelativeSourcePath = Path.Combine(relativeSourcePath, subfolderName);
+                string newSwrInstallDir = Path.Combine(swrInstallDir, subfolderName);
+
+                AddFolder(sb, newRelativeSourcePath, newSwrInstallDir);
+            }
+        }
+
+        readonly string SWR_HEADER = @"use vs
+
+package name=Microsoft.Net.Core.SDK.MSBuildExtensions
+        version=$(Version)
+        vs.package.branch=$(VsSingletonPackageBranch)
+        vs.package.internalRevision=$(PackageInternalRevision)
+
+";
+    }
+}

src/redist/redist.csproj

@@ -30,6 +30,7 @@
   <Import Project="targets\GenerateBundledVersions.targets" />
   <Import Project="targets\Crossgen.targets" />
   <Import Project="targets\GenerateLayout.targets" />
+  <Import Project="targets\GenerateMSBuildExtensions.targets" />
   <Import Project="targets\FileExtensions.targets" />
   
   <Import Project="targets\GenerateArchives.targets" />

src/redist/targets/BuildCoreSdkTasks.targets

@@ -37,5 +37,6 @@
   <UsingTask TaskName="CopyBlobsToLatest" AssemblyFile="$(CoreSdkTaskDll)"/>
   <UsingTask TaskName="GenerateChecksums" AssemblyFile="$(CoreSdkTaskDll)"/>
   <UsingTask TaskName="GetRuntimePackRids" AssemblyFile="$(CoreSdkTaskDll)"/>
+  <UsingTask TaskName="GenerateMSBuildExtensionsSWR" AssemblyFile="$(CoreSdkTaskDll)"/>
 
 </Project>

src/redist/targets/GenerateMSBuildExtensions.targets

@@ -0,0 +1,49 @@
+<Project>
+  <PropertyGroup>
+      <MSBuildExtensionsLayoutDirectory>$(BaseOutputPath)$(Configuration)\MSBuildExtensionsLayout\</MSBuildExtensionsLayoutDirectory>
+
+      <MSBuildExtensionsPackageName>Microsoft.NET.Build.Extensions</MSBuildExtensionsPackageName>
+      <MSBuildExtensionsNuPkgPath>$(NuGetPackageRoot)$(MSBuildExtensionsPackageName.ToLower())/$(MicrosoftNETBuildExtensionsPackageVersion.ToLower())</MSBuildExtensionsNuPkgPath>
+
+      <NETStandardLibraryNETFrameworkPackageName>NETStandard.Library.NETFramework</NETStandardLibraryNETFrameworkPackageName>
+      <NETStandardLibraryNETFrameworkNuPkgPath>$(NuGetPackageRoot)$(NETStandardLibraryNETFrameworkPackageName.ToLower())/$(CLI_NETStandardLibraryNETFrameworkVersion.ToLower())</NETStandardLibraryNETFrameworkNuPkgPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ExtensionPackageToRestore Include="$(MSBuildExtensionsPackageName)" Version="$(MicrosoftNETBuildExtensionsPackageVersion)"/>
+    <ExtensionPackageToRestore Include="$(NETStandardLibraryNETFrameworkPackageName)" Version="$(CLI_NETStandardLibraryNETFrameworkVersion)"/>
+  </ItemGroup>
+
+  <!-- Restore msbuild extensions via PackageReference -->
+  <ItemGroup>
+    <PackageReference Include="@(ExtensionPackageToRestore)" />
+  </ItemGroup>
+
+  <Target Name="GenerateMSBuildExtensions" DependsOnTargets="GenerateBundledVersionsProps">
+    <ItemGroup>
+      <!-- The VSMSBuildExtensionsContent item is for the files that will be included in the VS.Redist.Common.Net.Core.SDK.MSBuildExtensions
+           package and inserted into Visual Studio -->
+      <VSMSBuildExtensionsContent Include="$(MSBuildExtensionsNuPkgPath)\msbuildExtensions\**\*.*"
+                                  Exclude="$(MSBuildExtensionsNuPkgPath)\msbuildExtensions\Microsoft\Microsoft.NET.Build.Extensions\net*\**"
+                                  DeploymentSubpath="msbuildExtensions/"/>
+
+      <!-- Don't include .NET Core MS.NET.Build.Extensions tasks in Full Framework MSBuild layout -->
+      <VSMSBuildExtensionsContent Remove="$(MSBuildExtensionsNuPkgPath)\msbuildExtensions\Microsoft\Microsoft.NET.Build.Extensions\tools\netcoreapp*\**" />
+
+      <VSMSBuildExtensionsContent Include="$(MSBuildExtensionsNuPkgPath)\msbuildExtensions-ver\**\*.*"
+                                  DeploymentSubpath="msbuildExtensions-ver/"/>
+      <VSMSBuildExtensionsContent Include="$(NETStandardLibraryNETFrameworkNuPkgPath)\build\**\*.*"
+                                  Exclude="$(NETStandardLibraryNETFrameworkNuPkgPath)\build\**\*.props;$(NETStandardLibraryNETFrameworkNuPkgPath)\build\**\*.targets"
+                                  DeploymentSubpath="msbuildExtensions/Microsoft/Microsoft.NET.Build.Extensions/" />
+
+      <VSMSBuildExtensionsContent Include="$(SdkResolverLayoutPath)/**/*"
+                                  DeploymentSubpath="MSBuildSdkResolver/" />
+
+      <VSMSBuildExtensionsContent Update="@(VSMSBuildExtensionsContent)">
+        <DestinationPath >$(MSBuildExtensionsLayoutDirectory)/%(VSMSBuildExtensionsContent.DeploymentSubpath)%(RecursiveDir)%(Filename)%(Extension)</DestinationPath>
+      </VSMSBuildExtensionsContent>
+    </ItemGroup>
+
+    <Copy SourceFiles="@(VSMSBuildExtensionsContent)" DestinationFiles="%(VSMSBuildExtensionsContent.DestinationPath)" />
+  </Target>
+</Project>

src/redist/targets/GenerateMSIs.targets

@@ -28,9 +28,9 @@
       <VSToolsResolverNuspecFile>$(MSBuildThisFileDirectory)packaging/windows/clisdk/VS.Tools.Net.Core.SDK.Resolver.nuspec</VSToolsResolverNuspecFile>
       <VSToolsResolverNupkgFile>$(ArtifactsNonShippingPackagesDir)VS.Tools.Net.Core.SDK.Resolver.nupkg</VSToolsResolverNupkgFile>
 
-      <!--<SdkMSBuildExtensionsNuspecFile>$(MSBuildThisFileDirectory)packaging/windows/clisdk/VS.Redist.Common.Net.Core.SDK.MSBuildExtensions.nuspec</SdkMSBuildExtensionsNuspecFile>
+      <SdkMSBuildExtensionsNuspecFile>$(MSBuildThisFileDirectory)packaging/windows/clisdk/VS.Redist.Common.Net.Core.SDK.MSBuildExtensions.nuspec</SdkMSBuildExtensionsNuspecFile>
       <SdkMSBuildExtensionsNupkgFile>$(ArtifactsNonShippingPackagesDir)VS.Redist.Common.Net.Core.SDK.MSBuildExtensions.$(FullNugetVersion).nupkg</SdkMSBuildExtensionsNupkgFile>
-      <SdkMSBuildExtensionsSwrFile>$(ArtifactsNonShippingPackagesDir)VS.Redist.Common.Net.Core.SDK.MSBuildExtensions.swr</SdkMSBuildExtensionsSwrFile>-->
+      <SdkMSBuildExtensionsSwrFile>$(ArtifactsNonShippingPackagesDir)VS.Redist.Common.Net.Core.SDK.MSBuildExtensions.swr</SdkMSBuildExtensionsSwrFile>
     </PropertyGroup>
 
     <PropertyGroup>
@@ -208,24 +208,21 @@
   </Target>
 
   <Target Name="GenerateSdkMSBuildExtensionsNupkg"
-          DependsOnTargets="GenerateLayout;MsiTargetsSetupInputOutputs"
+          DependsOnTargets="GenerateLayout;GenerateMSBuildExtensions;MsiTargetsSetupInputOutputs"
           Condition=" '$(OS)' == 'Windows_NT' And '$(Architecture)' == 'x64' "
           Inputs="$(MSBuildExtensionsLayoutDirectory)/**/*;
                     $(SdkMSBuildExtensionsNuspecFile);
                     $(GenerateNupkgPowershellScript)"
           Outputs="$(SdkMSBuildExtensionsNupkgFile);$(SdkMSBuildExtensionsSwrFile)">
 
-    <!-- Disabling this for now because we don't have the MSBuildExtensions available.
+    <Exec Command="powershell -NoProfile -NoLogo $(GenerateNupkgPowershellScript) ^
-         https://github.com/dotnet/cli/issues/10260 -->
+                      '$(MSBuildExtensionsLayoutDirectory.TrimEnd('\'))' ^
-
-    <!-- <Exec Command="powershell -NoProfile -NoLogo -InformationAction Continue $(GenerateNupkgPowershellScript) ^
-                      '$(MSBuildExtensionsLayoutDirectory)' ^
                       '$(FullNugetVersion)' ^
                       '$(SdkMSBuildExtensionsNuspecFile)' ^
                       '$(SdkMSBuildExtensionsNupkgFile)'" />
       
       <GenerateMSBuildExtensionsSWR MSBuildExtensionsLayoutDirectory="$(MSBuildExtensionsLayoutDirectory)"
-                                    OutputFile="$(SdkMSBuildExtensionsSwrFile)"/> -->
+                                    OutputFile="$(SdkMSBuildExtensionsSwrFile)"/>
 
   </Target>