From 12f8c2377f512d01e53a315e538ab945c5cbe5ba Mon Sep 17 00:00:00 2001
From: Daniel Plaisted <daplaist@microsoft.com>
Date: Fri, 11 Aug 2017 07:09:01 -0700
Subject: [PATCH] Generate properties to pass to the next stage of the build

---
 Directory.Build.props                         |  2 +-
 build/OutputDirectories.props                 |  3 ++
 build/Prepare.targets                         | 30 ++++++++++++++++++-
 build/Stage0.props                            | 14 +++++++--
 build/Test.targets                            |  9 ++++--
 build/test/RunTest.proj                       |  1 +
 .../dotnet-cli-build/DotNetMSBuildTool.cs     |  9 +++++-
 .../ArgumentForwardingTests.csproj            |  3 +-
 8 files changed, 62 insertions(+), 9 deletions(-)

diff --git a/Directory.Build.props b/Directory.Build.props
index b11a199be..7271e92ed 100644
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -47,9 +47,9 @@ tools\TestAssetsDependencies\TestAssetsDependencies.csproj
   <Import Project="build/FileExtensions.props" />
   <Import Project="build/InputDirectories.props" />
   <Import Project="build/MSBuildExtensions.props" />
+  <Import Project="build/Stage0.props" />
   <Import Project="build/OutputDirectories.props" />
   <Import Project="build/BuildDefaults.props" />
-  <Import Project="build/Stage0.props" />
   <Import Project="build/VersionBadge.props" />
   <Import Project="build/BundledRuntimes.props" />
   <Import Project="build/CrossGen.props" />
diff --git a/build/OutputDirectories.props b/build/OutputDirectories.props
index d13ca56ba..46407809d 100644
--- a/build/OutputDirectories.props
+++ b/build/OutputDirectories.props
@@ -1,5 +1,6 @@
 <Project>
   <PropertyGroup>
+      <CliBuildStage Condition="'$(CliBuildStage)' == '' And '$(CliOuterBuildStage)' != ''">$([MSBuild]::Add($(CliOuterBuildStage), '1'))</CliBuildStage>
       <CliBuildStage Condition="'$(CliBuildStage)' == ''">2</CliBuildStage>
 
       <!-- BaseOutputDirectory is the root output path for this stage and RID
@@ -28,5 +29,7 @@
       <GeneratedMSBuildExtensionsDirectory>$(IntermediateDirectory)/GeneratedMSBuildExtensions</GeneratedMSBuildExtensionsDirectory>
       <MSBuildExtensionsLayoutDirectory>$(IntermediateDirectory)/MSBuildExtensionsLayout</MSBuildExtensionsLayoutDirectory>
       <SdkResolverOutputDirectory>$(MSBuildExtensionsLayoutDirectory)/MSBuildSdkResolver</SdkResolverOutputDirectory>
+    
+      <NextStagePropsPath>$(BaseOutputDirectory)/PreviousStage.props</NextStagePropsPath>
   </PropertyGroup>
 </Project>
diff --git a/build/Prepare.targets b/build/Prepare.targets
index 942ade9fb..8c3cc1442 100644
--- a/build/Prepare.targets
+++ b/build/Prepare.targets
@@ -4,7 +4,7 @@
   <Import Project="prepare/CheckPrereqs.targets" />
 
   <Target Name="Prepare"
-          DependsOnTargets="Init;DownloadHostAndSharedFxArtifacts;RestoreSrcPackages;RestoreToolsPackages;IsolateArtifactsFromDirectoryBuildFiles" />
+          DependsOnTargets="Init;DownloadHostAndSharedFxArtifacts;RestoreSrcPackages;RestoreToolsPackages;IsolateArtifactsFromDirectoryBuildFiles;CreatePropsForNextStage" />
 
   <Target Name="Init"
           DependsOnTargets="PrintBuildInfo;
@@ -104,4 +104,32 @@
           SkipUnchangedFiles="true" />
   </Target>
 
+  <Target Name="CreatePropsForNextStage">
+    <PropertyGroup>
+     
+      <NextStagePropsContent>
+&lt;Project&gt;
+    &lt;PropertyGroup&gt;
+        &lt;PreviousStageDirectory&gt;$(OutputDirectory)&lt;/PreviousStageDirectory&gt;
+        &lt;PreviousStageDotnet&gt;$(DotnetInOutputDirectory)&lt;/PreviousStageDotnet&gt;
+        &lt;CliOuterBuildStage&gt;$(CliBuildStage)&lt;/CliOuterBuildStage&gt;
+    &lt;/PropertyGroup&gt;
+&lt;/Project&gt;
+      </NextStagePropsContent>
+
+      <ExistingNextStagePropsContent Condition=" Exists('$(NextStagePropsPath)') ">
+        $([System.IO.File]::ReadAllText($(NextStagePropsPath)))
+      </ExistingNextStagePropsContent>
+
+      <ShouldOverwriteNextStagePropsFile>false</ShouldOverwriteNextStagePropsFile>
+      <ShouldOverwriteNextStagePropsFile
+        Condition=" '$(ExistingNextStagePropsContent.Trim())' != '$(NextStagePropsContent.Trim())' ">true</ShouldOverwriteNextStagePropsFile>
+    </PropertyGroup>
+
+    <WriteLinesToFile File="$(NextStagePropsPath)"
+                  Lines="$(NextStagePropsContent)"
+                  Condition=" '$(ShouldOverwriteNextStagePropsFile)' == 'true' "
+                  Overwrite="true"  />
+  </Target>
+
 </Project>
diff --git a/build/Stage0.props b/build/Stage0.props
index e5a6a0b50..1432a048a 100644
--- a/build/Stage0.props
+++ b/build/Stage0.props
@@ -1,8 +1,18 @@
 <Project>
-    <PropertyGroup>
+    <PropertyGroup Condition="'$(PreviousStageProps)' == ''">
       <Stage0Directory>$(RepoRoot)/.dotnet_stage0/$(Architecture)</Stage0Directory>
-      <Stage0PjDirectory>$(RepoRoot)/.dotnet_stage0PJ/$(Architecture)</Stage0PjDirectory>
       <DotnetStage0>$(Stage0Directory)/dotnet$(ExeExtension)</DotnetStage0>
+    </PropertyGroup>
+
+    <Import Project="$(PreviousStageProps)" Condition="'$(PreviousStageProps)' != ''" />
+  
+    <PropertyGroup Condition="'$(PreviousStageProps)' != ''">
+      <Stage0Directory>$(PreviousStageDirectory)</Stage0Directory>
+      <DotnetStage0>$(PreviousStageDotnet)</DotnetStage0>
+    </PropertyGroup>
+
+
+    <PropertyGroup>
       <IsDesktopAvailable>False</IsDesktopAvailable>
       <IsDesktopAvailable Condition=" '$(OSName)' == 'win' ">True</IsDesktopAvailable>
     </PropertyGroup>
diff --git a/build/Test.targets b/build/Test.targets
index 04c6a7f67..9c31620aa 100644
--- a/build/Test.targets
+++ b/build/Test.targets
@@ -26,6 +26,7 @@
           Configuration=$(Configuration);
           TestArtifactsDir=$(TestArtifactsDir);
           TestPackagesDir=$(TestPackagesDir);
+          PreviousStageProps=$(NextStagePropsPath);
           TestProject=%(TestProjects.Identity);
           TestResultXmlDir=$(TestResultXmlDir);
           ToolPath=$(OutputDirectory);
@@ -54,13 +55,15 @@
           DependsOnTargets="PrepareTests;
                             CreateTestAssetPackageNuPkgs;">
     <DotNetRestore ToolPath="$(OutputDirectory)"
-                   ProjectPath="&quot;$(TestDirectory)/Microsoft.DotNet.Cli.Tests.sln&quot;" />
+                   ProjectPath="&quot;$(TestDirectory)/Microsoft.DotNet.Cli.Tests.sln&quot;"
+                   AdditionalParameters="/p:PreviousStageProps=$(NextStagePropsPath)" />
   </Target>
 
   <Target Name="BuildTests"
           DependsOnTargets="RestoreTests;">
     <DotNetBuild ToolPath="$(OutputDirectory)"
                  ProjectPath="&quot;$(TestDirectory)/Microsoft.DotNet.Cli.Tests.sln&quot;"
+                 AdditionalParameters="/p:PreviousStageProps=$(NextStagePropsPath)"
                  MaxCpuCount="1" />
   </Target>
 
@@ -71,7 +74,7 @@
     <DotNetRestore ToolPath="$(OutputDirectory)"
                    WorkingDirectory="$([System.IO.Directory]::GetParent('%(TestPackageProject.ProjectPath)'))"
                    ProjectPath="%(TestPackageProject.ProjectPath)"
-                   AdditionalParameters="/p:RestoreAdditionalProjectSources=$(TestOutputDir)/packages"
+                   AdditionalParameters="/p:RestoreAdditionalProjectSources=$(TestOutputDir)/packages /p:PreviousStageProps=$(NextStagePropsPath)"
                    />
  
     <!-- https://github.com/NuGet/Home/issues/4063 -->
@@ -79,7 +82,7 @@
                 ProjectPath="%(TestPackageProject.ProjectPath)"
                 ToolPath="$(OutputDirectory)"
                 VersionSuffix="%(TestPackageProject.VersionSuffix)"
-                MsbuildArgs="%(TestPackageProject.MsbuildArgs) /p:SdkNuGetVersion=$(SdkNugetVersion) /p:RestoreAdditionalProjectSources=$(TestOutputDir)/packages" />
+                MsbuildArgs="%(TestPackageProject.MsbuildArgs) /p:SdkNuGetVersion=$(SdkNugetVersion) /p:RestoreAdditionalProjectSources=$(TestOutputDir)/packages /p:PreviousStageProps=$(NextStagePropsPath)" />
 
   </Target>
 
diff --git a/build/test/RunTest.proj b/build/test/RunTest.proj
index cff315a14..0454d8a6f 100644
--- a/build/test/RunTest.proj
+++ b/build/test/RunTest.proj
@@ -14,6 +14,7 @@
     <ItemGroup>
       <EnvironmentVariables Include="TEST_ARTIFACTS=$(TestArtifactsDir)" />
       <EnvironmentVariables Include="TEST_PACKAGES=$(TestPackagesDir)" />
+      <EnvironmentVariables Include="PreviousStageProps=$(PreviousStageProps)" />
     </ItemGroup>
 
     <DotNetTest EnvironmentVariables="@(EnvironmentVariables)"
diff --git a/build_projects/dotnet-cli-build/DotNetMSBuildTool.cs b/build_projects/dotnet-cli-build/DotNetMSBuildTool.cs
index 18cca3ab3..f0ab3f3a5 100644
--- a/build_projects/dotnet-cli-build/DotNetMSBuildTool.cs
+++ b/build_projects/dotnet-cli-build/DotNetMSBuildTool.cs
@@ -13,11 +13,13 @@ namespace Microsoft.DotNet.Cli.Build
 
         public string Verbosity { get; set; }
 
+        public string AdditionalParameters { get; set; }
+
         protected override string Args
         {
             get
             {
-                return $"{GetVerbosityArg()} {GetMaxCpuCountArg()}";
+                return $"{GetVerbosityArg()} {GetMaxCpuCountArg()} {GetAdditionalParameters()}";
             }
         }
 
@@ -40,5 +42,10 @@ namespace Microsoft.DotNet.Cli.Build
 
             return null;
         }
+
+        private string GetAdditionalParameters()
+        {
+            return AdditionalParameters;
+        }
     }
 }
diff --git a/test/ArgumentForwardingTests/ArgumentForwardingTests.csproj b/test/ArgumentForwardingTests/ArgumentForwardingTests.csproj
index 4c5a4fc06..c787c0f03 100644
--- a/test/ArgumentForwardingTests/ArgumentForwardingTests.csproj
+++ b/test/ArgumentForwardingTests/ArgumentForwardingTests.csproj
@@ -24,7 +24,8 @@
   <Target Name="PrecompileScript" 
           BeforeTargets="Build" 
           Condition=" '$(IsCrossTargetingBuild)' != 'true' And '$(OS)' == 'Windows_NT'">
-    <Exec Command="$(DotnetInOutputDirectory) publish ../ArgumentsReflector/ArgumentsReflector.csproj --output $(OutputPath)" />
+
+    <Exec Command="$(PreviousStageDotnet) publish ../ArgumentsReflector/ArgumentsReflector.csproj --output $(OutputPath)" />
   </Target>
 
 </Project>