Factor Hot Reload agent implementation into a source package

dotnet · Nov 18, 2024 · 6a78727 · 6a78727
1 parent eaa9056
commit 6a78727
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Showing 20 changed files with 102 additions and 14 deletions.
diff --git a/sdk.sln b/sdk.sln
@@ -210,9 +210,9 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "PublishProfiles", "PublishP
 		src\WebSdk\Publish\Targets\PublishProfiles\Default.pubxml = src\WebSdk\Publish\Targets\PublishProfiles\Default.pubxml
 		src\WebSdk\Publish\Targets\PublishProfiles\DefaultMSDeploy.pubxml = src\WebSdk\Publish\Targets\PublishProfiles\DefaultMSDeploy.pubxml
 		src\WebSdk\Publish\Targets\PublishProfiles\DefaultMSDeployPackage.pubxml = src\WebSdk\Publish\Targets\PublishProfiles\DefaultMSDeployPackage.pubxml
-		src\WebSdk\Publish\Targets\PublishProfiles\DefaultZipDeploy.pubxml = src\WebSdk\Publish\Targets\PublishProfiles\DefaultZipDeploy.pubxml
 		src\WebSdk\Publish\Targets\PublishProfiles\DefaultOneDeploy.pubxml = src\WebSdk\Publish\Targets\PublishProfiles\DefaultOneDeploy.pubxml
 		src\WebSdk\Publish\Targets\PublishProfiles\DefaultWebJobOneDeploy.pubxml = src\WebSdk\Publish\Targets\PublishProfiles\DefaultWebJobOneDeploy.pubxml
+		src\WebSdk\Publish\Targets\PublishProfiles\DefaultZipDeploy.pubxml = src\WebSdk\Publish\Targets\PublishProfiles\DefaultZipDeploy.pubxml
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "PublishTargets", "PublishTargets", "{40E6E4B1-286B-4542-B814-2A3DA29510D1}"
@@ -222,8 +222,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "PublishTargets", "PublishTa
 		src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.Kudu.targets = src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.Kudu.targets
 		src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.MSDeploy.targets = src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.MSDeploy.targets
 		src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.MSDeployPackage.targets = src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.MSDeployPackage.targets
-		src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.ZipDeploy.targets = src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.ZipDeploy.targets
 		src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.OneDeploy.targets = src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.OneDeploy.targets
+		src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.ZipDeploy.targets = src\WebSdk\Publish\Targets\PublishTargets\Microsoft.NET.Sdk.Publish.ZipDeploy.targets
 	EndProjectSection
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "TransformTargets", "TransformTargets", "{DFA91CC3-D6E4-45B7-AF6F-4385288886E4}"
@@ -512,6 +512,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Net.Sdk.Compilers
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.WebTools.AspireService.Tests", "test\Microsoft.WebTools.AspireService.Tests\Microsoft.WebTools.AspireService.Tests.csproj", "{1F0B4B3C-DC88-4740-B04F-1707102E9930}"
 EndProject
+Project("{D954291E-2A0B-460D-934E-DC6B0785DB48}") = "Microsoft.DotNet.HotReload.Agent", "src\BuiltInTools\HotReloadAgent\Microsoft.DotNet.HotReload.Agent.shproj", "{418B10BD-CA42-49F3-8F4A-D8CC90C8A17D}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.DotNet.HotReload.Agent.Package", "src\BuiltInTools\HotReloadAgent.Package\Microsoft.DotNet.HotReload.Agent.Package.csproj", "{2FF79F82-60C1-349A-4726-7783D5A6D5DF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -974,6 +978,10 @@ Global
 		{1F0B4B3C-DC88-4740-B04F-1707102E9930}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1F0B4B3C-DC88-4740-B04F-1707102E9930}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1F0B4B3C-DC88-4740-B04F-1707102E9930}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2FF79F82-60C1-349A-4726-7783D5A6D5DF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2FF79F82-60C1-349A-4726-7783D5A6D5DF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2FF79F82-60C1-349A-4726-7783D5A6D5DF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2FF79F82-60C1-349A-4726-7783D5A6D5DF}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -1153,14 +1161,19 @@ Global
 		{94C8526E-DCC2-442F-9868-3DD0BA2688BE} = {71A9F549-0EB6-41F9-BC16-4A6C5007FC91}
 		{FA579C03-2EB4-4D47-88EE-BFF339E96FAF} = {22AB674F-ED91-4FBC-BFEE-8A1E82F9F05E}
 		{1F0B4B3C-DC88-4740-B04F-1707102E9930} = {580D1AE7-AA8F-4912-8B76-105594E00B3B}
+		{418B10BD-CA42-49F3-8F4A-D8CC90C8A17D} = {71A9F549-0EB6-41F9-BC16-4A6C5007FC91}
+		{2FF79F82-60C1-349A-4726-7783D5A6D5DF} = {71A9F549-0EB6-41F9-BC16-4A6C5007FC91}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {FB8F26CE-4DE6-433F-B32A-79183020BBD6}
 	EndGlobalSection
 	GlobalSection(SharedMSBuildProjectFiles) = preSolution
 		src\Compatibility\ApiCompat\Microsoft.DotNet.ApiCompat.Shared\Microsoft.DotNet.ApiCompat.Shared.projitems*{03c5a84a-982b-4f38-ac73-ab832c645c4a}*SharedItemsImports = 5
 		src\Compatibility\ApiCompat\Microsoft.DotNet.ApiCompat.Shared\Microsoft.DotNet.ApiCompat.Shared.projitems*{0a3c9afd-f6e6-4a5d-83fb-93bf66732696}*SharedItemsImports = 5
+		src\BuiltInTools\HotReloadAgent\Microsoft.DotNet.HotReload.Agent.projitems*{1bbfa19c-03f0-4d27-9d0d-0f8172642107}*SharedItemsImports = 5
 		src\BuiltInTools\AspireService\Microsoft.WebTools.AspireService.projitems*{1f0b4b3c-dc88-4740-b04f-1707102e9930}*SharedItemsImports = 5
+		src\BuiltInTools\HotReloadAgent\Microsoft.DotNet.HotReload.Agent.projitems*{2ff79f82-60c1-349a-4726-7783d5a6d5df}*SharedItemsImports = 5
+		src\BuiltInTools\HotReloadAgent\Microsoft.DotNet.HotReload.Agent.projitems*{418b10bd-ca42-49f3-8f4a-d8cc90c8a17d}*SharedItemsImports = 13
 		src\BuiltInTools\AspireService\Microsoft.WebTools.AspireService.projitems*{445efbd5-6730-4f09-943d-278e77501ffd}*SharedItemsImports = 5
 		src\BuiltInTools\AspireService\Microsoft.WebTools.AspireService.projitems*{94c8526e-dcc2-442f-9868-3dd0ba2688be}*SharedItemsImports = 13
 		src\Compatibility\ApiCompat\Microsoft.DotNet.ApiCompat.Shared\Microsoft.DotNet.ApiCompat.Shared.projitems*{9d36039f-d0a1-462f-85b4-81763c6b02cb}*SharedItemsImports = 13

diff --git a/src/BuiltInTools/DotNetDeltaApplier/Microsoft.Extensions.DotNetDeltaApplier.csproj b/src/BuiltInTools/DotNetDeltaApplier/Microsoft.Extensions.DotNetDeltaApplier.csproj
@@ -1,4 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
+  <Import Project="..\HotReloadAgent\Microsoft.DotNet.HotReload.Agent.projitems" Label="Shared" />
   <PropertyGroup>
     <!--
       dotnet-watch may inject this assembly to .NET 6.0+ app, so we can't target a newer version.
@@ -14,9 +15,10 @@
   <ItemGroup>
     <Compile Include="..\dotnet-watch\EnvironmentVariables_StartupHook.cs" Link="EnvironmentVariables_StartupHook.cs" />
     <Compile Include="..\dotnet-watch\HotReload\NamedPipeContract.cs" />
-    <Compile Include="..\dotnet-watch\HotReload\AgentMessageSeverity.cs" />
-    <Compile Include="..\dotnet-watch\HotReload\ResponseLoggingLevel.cs" />
-    <Compile Include="..\dotnet-watch\HotReload\UpdateDelta.cs" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <InternalsVisibleTo Include="Microsoft.Extensions.DotNetDeltaApplier.Tests"/>
   </ItemGroup>
 
 </Project>
diff --git a/src/BuiltInTools/DotNetDeltaApplier/StartupHook.cs b/src/BuiltInTools/DotNetDeltaApplier/StartupHook.cs
@@ -3,6 +3,7 @@
 
 using System.IO.Pipes;
 using Microsoft.DotNet.Watch;
+using Microsoft.DotNet.HotReload;
 
 /// <summary>
 /// The runtime startup hook looks for top-level type named "StartupHook".

diff --git a/src/BuiltInTools/HotReloadAgent.Package/Microsoft.DotNet.HotReload.Agent.Package.csproj b/src/BuiltInTools/HotReloadAgent.Package/Microsoft.DotNet.HotReload.Agent.Package.csproj
@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <!-- This source package is used by Visual Studio WebTools -->
+    <TargetFramework>$(VisualStudioServiceTargetFramework)</TargetFramework>
+    <GenerateDocumentationFile>false</GenerateDocumentationFile>
+    <DebugType>none</DebugType>
+    <GenerateDependencyFile>false</GenerateDependencyFile>
+    <Nullable>enable</Nullable>
+    <LangVersion>preview</LangVersion>
+
+    <!-- NuGet -->
+    <IsPackable>true</IsPackable>
+    <IsSourcePackage>true</IsSourcePackage>
+    <PackageId>Microsoft.DotNet.HotReload.Agent</PackageId>
+    <IncludeBuildOutput>false</IncludeBuildOutput>
+    <PackageDescription>
+      Package containing sources of Hot Reload agent.
+    </PackageDescription>
+    <!-- Remove once https://github.com/NuGet/Home/issues/8583 is fixed -->
+    <NoWarn>$(NoWarn);NU5128</NoWarn>
+  </PropertyGroup>
+  <ItemGroup>
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
+  </ItemGroup>
+  <Import Project="..\HotReloadAgent\Microsoft.DotNet.HotReload.Agent.projitems" Label="Shared" />
+</Project>
diff --git a/...t-watch/HotReload/AgentMessageSeverity.cs → ...ls/HotReloadAgent/AgentMessageSeverity.cs b/...t-watch/HotReload/AgentMessageSeverity.cs → ...ls/HotReloadAgent/AgentMessageSeverity.cs
@@ -1,7 +1,6 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-namespace Microsoft.DotNet.Watch;
 
 internal enum AgentMessageSeverity : byte
 {

diff --git a/...Tools/DotNetDeltaApplier/AgentReporter.cs → ...ltInTools/HotReloadAgent/AgentReporter.cs b/...Tools/DotNetDeltaApplier/AgentReporter.cs → ...ltInTools/HotReloadAgent/AgentReporter.cs
@@ -1,7 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-namespace Microsoft.DotNet.Watch;
+namespace Microsoft.DotNet.HotReload;
 
 internal sealed class AgentReporter
 {

diff --git a/...ools/DotNetDeltaApplier/HotReloadAgent.cs → ...tInTools/HotReloadAgent/HotReloadAgent.cs b/...ools/DotNetDeltaApplier/HotReloadAgent.cs → ...tInTools/HotReloadAgent/HotReloadAgent.cs
@@ -3,9 +3,11 @@
 
 using System.Collections.Concurrent;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
 using System.Reflection;
 
-namespace Microsoft.DotNet.Watch;
+namespace Microsoft.DotNet.HotReload;
 
 #if NET
 [System.Diagnostics.CodeAnalysis.UnconditionalSuppressMessage("Trimming", "IL2026", Justification = "Hot reload is only expected to work when trimming is disabled.")]

diff --git a/...taApplier/MetadataUpdateHandlerInvoker.cs → ...loadAgent/MetadataUpdateHandlerInvoker.cs b/...taApplier/MetadataUpdateHandlerInvoker.cs → ...loadAgent/MetadataUpdateHandlerInvoker.cs
@@ -1,13 +1,18 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using System.Diagnostics.CodeAnalysis;
 using System.Reflection;
 
-namespace Microsoft.DotNet.Watch;
+namespace Microsoft.DotNet.HotReload;
 
 /// <summary>
 /// Finds and invokes metadata update handlers.
 /// </summary>
+#if NET
+[UnconditionalSuppressMessage("Trimming", "IL2026", Justification = "Hot reload is only expected to work when trimming is disabled.")]
+[UnconditionalSuppressMessage("Trimming", "IL2070", Justification = "Hot reload is only expected to work when trimming is disabled.")]
+#endif
 internal sealed class MetadataUpdateHandlerInvoker(AgentReporter reporter)
 {
     internal sealed class RegisteredActions(IReadOnlyList<Action<Type[]?>> clearCache, IReadOnlyList<Action<Type[]?>> updateApplication)
@@ -163,7 +168,7 @@ internal RegisteredActions GetMetadataUpdateHandlerActions(IEnumerable<Type> han
 
         MethodInfo? GetUpdateMethod(Type handlerType, string name)
         {
-            if (handlerType.GetMethod(name, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static, binder: null, new[] { typeof(Type[]) }, modifiers: null) is MethodInfo updateMethod &&
+            if (handlerType.GetMethod(name, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static, binder: null, [typeof(Type[])], modifiers: null) is MethodInfo updateMethod &&
                 updateMethod.ReturnType == typeof(void))
             {
                 return updateMethod;

diff --git a/src/BuiltInTools/HotReloadAgent/Microsoft.DotNet.HotReload.Agent.projitems b/src/BuiltInTools/HotReloadAgent/Microsoft.DotNet.HotReload.Agent.projitems
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <MSBuildAllProjects Condition="'$(MSBuildVersion)' == '' Or '$(MSBuildVersion)' &lt; '16.0'">$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
+    <HasSharedItems>true</HasSharedItems>
+    <SharedGUID>418B10BD-CA42-49F3-8F4A-D8CC90C8A17D</SharedGUID>
+  </PropertyGroup>
+  <PropertyGroup Label="Configuration">
+    <Import_RootNamespace>Microsoft.DotNet.HotReload</Import_RootNamespace>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="$(MSBuildThisFileDirectory)**\*.cs" />
+  </ItemGroup>
+</Project>
diff --git a/src/BuiltInTools/HotReloadAgent/Microsoft.DotNet.HotReload.Agent.shproj b/src/BuiltInTools/HotReloadAgent/Microsoft.DotNet.HotReload.Agent.shproj
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{418B10BD-CA42-49F3-8F4A-D8CC90C8A17D}</ProjectGuid>
+    <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
+  </PropertyGroup>
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.Default.props" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.Common.props" />
+  <PropertyGroup />
+  <Import Project="Microsoft.DotNet.HotReload.Agent.projitems" Label="Shared" />
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\VisualStudio\v$(VisualStudioVersion)\CodeSharing\Microsoft.CodeSharing.CSharp.targets" />
+</Project>
diff --git a/...t-watch/HotReload/ResponseLoggingLevel.cs → ...ls/HotReloadAgent/ResponseLoggingLevel.cs b/...t-watch/HotReload/ResponseLoggingLevel.cs → ...ls/HotReloadAgent/ResponseLoggingLevel.cs
@@ -1,7 +1,7 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-namespace Microsoft.DotNet.Watch;
+namespace Microsoft.DotNet.HotReload;
 
 internal enum ResponseLoggingLevel : byte
 {

diff --git a/...ols/dotnet-watch/HotReload/UpdateDelta.cs → ...uiltInTools/HotReloadAgent/UpdateDelta.cs b/...ols/dotnet-watch/HotReload/UpdateDelta.cs → ...uiltInTools/HotReloadAgent/UpdateDelta.cs
@@ -2,7 +2,6 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 namespace Microsoft.DotNet.Watch;
-
 internal readonly struct UpdateDelta(Guid moduleId, byte[] metadataDelta, byte[] ilDelta, byte[] pdbDelta, int[] updatedTypes)
 {
     public Guid ModuleId { get; } = moduleId;

diff --git a/src/BuiltInTools/dotnet-watch.slnf b/src/BuiltInTools/dotnet-watch.slnf
@@ -7,12 +7,14 @@
       "src\\BuiltInTools\\BrowserRefresh\\Microsoft.AspNetCore.Watch.BrowserRefresh.csproj",
       "src\\BuiltInTools\\DotNetDeltaApplier\\Microsoft.Extensions.DotNetDeltaApplier.csproj",
       "src\\BuiltInTools\\DotNetWatchTasks\\DotNetWatchTasks.csproj",
+      "src\\BuiltInTools\\HotReloadAgent.Package\\Microsoft.DotNet.HotReload.Agent.Package.csproj",
+      "src\\BuiltInTools\\HotReloadAgent\\Microsoft.DotNet.HotReload.Agent.shproj",
       "src\\BuiltInTools\\dotnet-watch\\dotnet-watch.csproj",
       "test\\Microsoft.AspNetCore.Watch.BrowserRefresh.Tests\\Microsoft.AspNetCore.Watch.BrowserRefresh.Tests.csproj",
       "test\\Microsoft.Extensions.DotNetDeltaApplier.Tests\\Microsoft.Extensions.DotNetDeltaApplier.Tests.csproj",
       "test\\Microsoft.NET.TestFramework\\Microsoft.NET.TestFramework.csproj",
-      "test\\dotnet-watch.Tests\\dotnet-watch.Tests.csproj",
-      "test\\Microsoft.WebTools.AspireService.Tests\\Microsoft.WebTools.AspireService.Tests.csproj"
+      "test\\Microsoft.WebTools.AspireService.Tests\\Microsoft.WebTools.AspireService.Tests.csproj",
+      "test\\dotnet-watch.Tests\\dotnet-watch.Tests.csproj"
     ]
   }
 }
diff --git a/src/BuiltInTools/dotnet-watch/HotReload/BlazorWebAssemblyDeltaApplier.cs b/src/BuiltInTools/dotnet-watch/HotReload/BlazorWebAssemblyDeltaApplier.cs
@@ -4,6 +4,7 @@
 using System.Buffers;
 using System.Collections.Immutable;
 using Microsoft.CodeAnalysis.ExternalAccess.Watch.Api;
+using Microsoft.DotNet.HotReload;
 
 namespace Microsoft.DotNet.Watch
 {

diff --git a/src/BuiltInTools/dotnet-watch/HotReload/DefaultDeltaApplier.cs b/src/BuiltInTools/dotnet-watch/HotReload/DefaultDeltaApplier.cs
@@ -7,6 +7,7 @@
 using System.Diagnostics;
 using System.IO.Pipes;
 using Microsoft.CodeAnalysis.ExternalAccess.Watch.Api;
+using Microsoft.DotNet.HotReload;
 
 namespace Microsoft.DotNet.Watch
 {

diff --git a/src/BuiltInTools/dotnet-watch/HotReload/DeltaApplier.cs b/src/BuiltInTools/dotnet-watch/HotReload/DeltaApplier.cs
@@ -4,6 +4,7 @@
 
 using System.Collections.Immutable;
 using Microsoft.CodeAnalysis.ExternalAccess.Watch.Api;
+using Microsoft.DotNet.HotReload;
 
 namespace Microsoft.DotNet.Watch
 {

diff --git a/src/BuiltInTools/dotnet-watch/HotReload/NamedPipeContract.cs b/src/BuiltInTools/dotnet-watch/HotReload/NamedPipeContract.cs
@@ -1,6 +1,8 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using Microsoft.DotNet.HotReload;
+
 namespace Microsoft.DotNet.Watch
 {
     internal readonly struct UpdatePayload(IReadOnlyList<UpdateDelta> deltas, ResponseLoggingLevel responseLoggingLevel)

diff --git a/src/BuiltInTools/dotnet-watch/dotnet-watch.csproj b/src/BuiltInTools/dotnet-watch/dotnet-watch.csproj
@@ -38,6 +38,10 @@
     <PackageReference Include="NETStandard.Library" VersionOverride="$(NETStandardLibraryVersion)" ExcludeAssets="All" />
 
     <Compile Include="$(RepoRoot)src\Common\PathUtilities.cs" LinkBase="Common" />
+
+    <Compile Include="..\HotReloadAgent\AgentMessageSeverity.cs" LinkBase="AgentContracts" />
+    <Compile Include="..\HotReloadAgent\ResponseLoggingLevel.cs" LinkBase="AgentContracts" />
+    <Compile Include="..\HotReloadAgent\UpdateDelta.cs" LinkBase="AgentContracts" />
   </ItemGroup>
 
   <ItemGroup>

diff --git a/test/Microsoft.Extensions.DotNetDeltaApplier.Tests/HotReloadAgentTest.cs b/test/Microsoft.Extensions.DotNetDeltaApplier.Tests/HotReloadAgentTest.cs
@@ -2,6 +2,7 @@
 // The .NET Foundation licenses this file to you under the MIT license.
 
 using System.Reflection;
+using Microsoft.DotNet.HotReload;
 using Moq;
 
 namespace Microsoft.DotNet.Watch.UnitTests

diff --git a/test/dotnet-watch.Tests/HotReload/UpdatePayloadTests.cs b/test/dotnet-watch.Tests/HotReload/UpdatePayloadTests.cs
@@ -1,6 +1,8 @@
 // Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
+using Microsoft.DotNet.HotReload;
+
 namespace Microsoft.DotNet.Watch.UnitTests
 {
     public class UpdatePayloadTests