From 527c3995488e4797fdf891671263ddf61a62c849 Mon Sep 17 00:00:00 2001
From: Daniel Plaisted <daplaist@microsoft.com>
Date: Wed, 15 Oct 2025 16:05:49 -0400
Subject: [PATCH] Add support for building tool packages with runtime
 identifier set without building RID-specific packages

---
 .../targets/Microsoft.NET.PackTool.targets    | 12 +++---
 .../GivenThatWeWantToPackAToolProject.cs      | 37 +++++++++++++++++++
 2 files changed, 43 insertions(+), 6 deletions(-)

diff --git a/src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.PackTool.targets b/src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.PackTool.targets
index 0ac75dd8f8ae..8fdd129a44c6 100644
--- a/src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.PackTool.targets
+++ b/src/Tasks/Microsoft.NET.Build.Tasks/targets/Microsoft.NET.PackTool.targets
@@ -54,8 +54,8 @@ NOTE: This file is imported from the following contexts, so be aware when writin
     <_ToolRidsAreOnlyShims Condition="'$(RuntimeIdentifiers)' == '' and $(PackAsToolShimRuntimeIdentifiers) != '' ">true</_ToolRidsAreOnlyShims>
     <_UserSpecifiedToolPackageRids Condition="'$(ToolPackageRuntimeIdentifiers)' != ''">$(ToolPackageRuntimeIdentifiers)</_UserSpecifiedToolPackageRids>
     <_UserSpecifiedToolPackageRids Condition="'$(_UserSpecifiedToolPackageRids)' == ''">$(RuntimeIdentifiers)</_UserSpecifiedToolPackageRids>
-    <_HasRIDSpecificTools Condition=" '$(_UserSpecifiedToolPackageRids)' != '' ">true</_HasRIDSpecificTools>
-    <_HasRIDSpecificTools Condition="'$(_HasRIDSpecificTools)' == ''">false</_HasRIDSpecificTools>
+    <CreateRidSpecificToolPackages Condition="'$(CreateRidSpecificToolPackages)' == '' And '$(_UserSpecifiedToolPackageRids)' != '' ">true</CreateRidSpecificToolPackages>
+    <CreateRidSpecificToolPackages Condition="'$(CreateRidSpecificToolPackages)' == ''">false</CreateRidSpecificToolPackages>
 
     <!-- NOTE: this line is load-bearing. This impacts Restore behaviors significantly, so we can't prevent the import of these targets _in general_. -->
     <RuntimeIdentifiers Condition="'$(PackAsToolShimRuntimeIdentifiers)' != ''">$(_UserSpecifiedToolPackageRids);$(PackAsToolShimRuntimeIdentifiers)</RuntimeIdentifiers>
@@ -65,7 +65,7 @@ NOTE: This file is imported from the following contexts, so be aware when writin
     <!-- We need to know if the inner builds are _intended_ to be AOT even if we then explicitly disable AOT for the outer builds.
       Knowing this lets us correctly decide to create the RID-specific inner tools or not when packaging the outer tool. -->
     <_InnerToolsPublishAot>false</_InnerToolsPublishAot>
-    <_InnerToolsPublishAot Condition="$(_HasRIDSpecificTools) and '$(PublishAot)' == 'true'">true</_InnerToolsPublishAot>
+    <_InnerToolsPublishAot Condition="$(CreateRidSpecificToolPackages) and '$(PublishAot)' == 'true'">true</_InnerToolsPublishAot>
 
     <!-- determining if it's safe to change publish-related properties for this evaluation. We can only override default publishing
          behavior if
@@ -164,7 +164,7 @@ NOTE: This file is imported from the following contexts, so be aware when writin
     </PropertyGroup>
 
     <!-- inner-build tool packages get a RID suffix -->
-    <PropertyGroup Condition="'$(_HasRIDSpecificTools)' != '' And '$(RuntimeIdentifier)' != ''">
+    <PropertyGroup Condition="$(CreateRidSpecificToolPackages) And '$(RuntimeIdentifier)' != ''">
       <PackageId>$(PackageId).$(RuntimeIdentifier)</PackageId>
     </PropertyGroup>
   </Target>
@@ -390,7 +390,7 @@ NOTE: This file is imported from the following contexts, so be aware when writin
   <Target Name="SetDotnetToolPackageType" Returns="$(_ToolPackageType)">
 
     <PropertyGroup>
-      <_ToolPackageType Condition="'$(RuntimeIdentifier)' != '' And '$(_HasRIDSpecificTools)' != ''">DotnetToolRidPackage</_ToolPackageType>
+      <_ToolPackageType Condition="'$(RuntimeIdentifier)' != '' And $(CreateRidSpecificToolPackages)">DotnetToolRidPackage</_ToolPackageType>
       <_ToolPackageType Condition="'$(_ToolPackageType)' == ''">DotnetTool</_ToolPackageType>
     </PropertyGroup>
 
@@ -427,7 +427,7 @@ NOTE: This file is imported from the following contexts, so be aware when writin
        We can't call this for AOT'd tools because we can't AOT cross-architecture and cross-platform in .NET today. -->
   <Target Name="_CreateRIDSpecificToolPackages"
     Condition="'$(RuntimeIdentifier)' == ''
-      and $(_HasRIDSpecificTools)
+      and $(CreateRidSpecificToolPackages)
       and !$(_InnerToolsPublishAot)">
     <PropertyGroup>
         <_PackageRids>$(ToolPackageRuntimeIdentifiers)</_PackageRids>
diff --git a/test/Microsoft.NET.ToolPack.Tests/GivenThatWeWantToPackAToolProject.cs b/test/Microsoft.NET.ToolPack.Tests/GivenThatWeWantToPackAToolProject.cs
index c9e05aa6a0d5..36fdf6037ab4 100644
--- a/test/Microsoft.NET.ToolPack.Tests/GivenThatWeWantToPackAToolProject.cs
+++ b/test/Microsoft.NET.ToolPack.Tests/GivenThatWeWantToPackAToolProject.cs
@@ -323,5 +323,42 @@ public void Given_targetplatform_set_It_should_error()
             result.Should().Fail().And.HaveStdOutContaining("NETSDK1146");
 
         }
+
+        [Fact]
+        public void It_packs_with_RuntimeIdentifier()
+        {
+            var testProject = new TestProject("ToolWithRuntimeIdentifier")
+            {
+                TargetFrameworks = ToolsetInfo.CurrentTargetFramework,
+                IsExe = true,
+                RuntimeIdentifier = EnvironmentInfo.GetCompatibleRid()
+            };
+            testProject.AdditionalProperties["PackAsTool"] = "true";
+            testProject.AdditionalProperties["ImplicitUsings"] = "enable";
+            testProject.AdditionalProperties["CreateRidSpecificToolPackages"] = "false";
+            testProject.AdditionalProperties["UseAppHost"] = "false";
+
+
+            var testAsset = _testAssetsManager.CreateTestProject(testProject);
+
+            var packCommand = new PackCommand(testAsset);
+
+            packCommand.Execute().Should().Pass();
+
+            packCommand.GetPackageDirectory().Should().HaveFile($"{testProject.Name}.1.0.0.nupkg");
+            packCommand.GetPackageDirectory().Should().NotHaveFile($"{testProject.Name}.{testProject.RuntimeIdentifier}.1.0.0.nupkg");
+
+            var nupkgPath = packCommand.GetNuGetPackage();
+
+            using (var nupkgReader = new PackageArchiveReader(nupkgPath))
+            {
+                var toolSettingsItem = nupkgReader.GetToolItems().SelectMany(g => g.Items).SingleOrDefault(i => i.Equals($"tools/{testProject.TargetFrameworks}/{testProject.RuntimeIdentifier}/DotnetToolSettings.xml"));
+                toolSettingsItem.Should().NotBeNull();
+
+                var toolSettingsXml = XDocument.Load(nupkgReader.GetStream(toolSettingsItem));
+                toolSettingsXml.Root.Attribute("Version").Value.Should().Be("1");
+            }
+
+        }
     }
 }