Disable Source Link's EmbedUntrackedSources in desktop WPF projects

src/Assets/TestProjects/DesktopWpf/FxWpf/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly:ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]

src/Assets/TestProjects/DesktopWpf/FxWpf/FxWpf.csproj

@@ -0,0 +1,20 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net472</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <LangVersion>latest</LangVersion>
+    <IntermediateOutputPath>$(MSBuildThisFileDirectory)\..\obj\</IntermediateOutputPath>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
+    <Reference Include="WindowsBase" />
+    <Reference Include="System.Xaml" />
+
+    <Page Include="MainWindow.xaml" />
+  </ItemGroup>
+
+</Project>

src/Assets/TestProjects/DesktopWpf/FxWpf/MainWindow.xaml

@@ -0,0 +1,12 @@
+<Window x:Class="FxWpf.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:FxWpf"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+
+    </Grid>
+</Window>

src/Assets/TestProjects/DesktopWpf/FxWpf/MainWindow.xaml.cs

@@ -0,0 +1,23 @@
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace FxWpf;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        // InitializeComponent();
+    }
+}

src/Assets/TestProjects/DesktopWpf/FxWpf/Program.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Windows;
+
+class C
+{
+    [STAThread]
+    static void Main(string[] args)
+    {
+        var app = new Application();
+        var window = new Window();
+        app.Run(window);
+    }
+}

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

@@ -20,7 +20,8 @@ Copyright (c) .NET Foundation. All rights reserved.
     <_SourceLinkSdkSubDir>build</_SourceLinkSdkSubDir>
     <_SourceLinkSdkSubDir Condition="'$(IsCrossTargetingBuild)' == 'true'">buildMultiTargeting</_SourceLinkSdkSubDir>
 
-    <EmbedUntrackedSources Condition="'$(EmbedUntrackedSources)' == ''">true</EmbedUntrackedSources>
+    <!-- Workaround for https://github.com/dotnet/sdk/issues/36585 (Desktop XAML targets do not produce correct #line directives) -->
+    <EmbedUntrackedSources Condition="'$(EmbedUntrackedSources)' == '' and '$(ImportFrameworkWinFXTargets)' != 'true'">true</EmbedUntrackedSources>
   </PropertyGroup>
 
   <Import Project="$(MSBuildThisFileDirectory)..\..\Microsoft.Build.Tasks.Git\build\Microsoft.Build.Tasks.Git.targets"/>

src/Tests/Microsoft.NET.Build.Tests/SourceLinkTests.cs

@@ -295,7 +295,11 @@ public void Cpp()
                 .CopyTestAsset("NetCoreCsharpAppReferenceCppCliLib")
                 .WithSource();
 
-            testAsset = WithProperties(testAsset, ("EnableManagedPackageReferenceSupport", "true"));
+            var intDir = Path.Combine(testAsset.Path, "NETCoreCppCliTest", "IntDir");
+
+            testAsset = WithProperties(testAsset,
+                ("EnableManagedPackageReferenceSupport", "true"),
+                ("IntermediateOutputPath", intDir));
 
             CreateGitFiles(testAsset.Path, "https://github.com/org/repo");
 
@@ -306,15 +310,34 @@ public void Cpp()
 
             buildCommand.Execute("-p:Platform=x64").Should().Pass();
 
-            var outputDir = Path.Combine(testAsset.Path, "NETCoreCppCliTest", "x64", "Debug");
-            var sourceLinkFilePath = Path.Combine(outputDir, "NETCoreCppCliTest.sourcelink.json");
+            var sourceLinkFilePath = Path.Combine(intDir, "NETCoreCppCliTest.sourcelink.json");
             var actualContent = File.ReadAllText(sourceLinkFilePath, Encoding.UTF8);
             var expectedPattern = Path.Combine(testAsset.Path, "*").Replace("\\", "\\\\");
             var expectedSourceLink = $$$"""{"documents":{"{{{expectedPattern}}}":"https://raw.githubusercontent.com/org/repo/1200000000000000000000000000000000000000/*"}}""";
             Assert.Equal(expectedSourceLink, actualContent);
 
+            var outputDir = Path.Combine(testAsset.Path, "NETCoreCppCliTest", "x64", "Debug");
             var pdbText = File.ReadAllText(Path.Combine(outputDir, "NETCoreCppCliTest.pdb"), Encoding.UTF8);
             Assert.Contains(expectedSourceLink, pdbText);
         }
+
+        [FullMSBuildOnlyFact]
+        public void LegacyDesktopWpf()
+        {
+            var testAsset = _testAssetsManager
+                .CopyTestAsset("DesktopWpf")
+                .WithSource();
+
+            CreateGitFiles(testAsset.Path, "https://github.com/org/repo");
+
+            var buildCommand = new BuildCommand(testAsset, relativePathToProject: "FxWpf")
+            {
+                WorkingDirectory = Path.Combine(testAsset.Path, "FxWpf")
+            };
+
+            buildCommand.Execute().Should().Pass();
+
+            Assert.True(File.Exists(Path.Combine(testAsset.Path, "obj", "net472", "MainWindow.g.cs")));
+        }
     }
 }