From b6d4e88dce25afdc89c077ae1697fe6bfd6153ec Mon Sep 17 00:00:00 2001
From: Utkarsh Umesan Pillai <66651184+utpilla@users.noreply.github.com>
Date: Wed, 23 Jun 2021 17:22:50 -0700
Subject: [PATCH] Add ContractDependencyPaths for ApiCompat (#2098)

---
 build/Common.prod.props | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/build/Common.prod.props b/build/Common.prod.props
index c88612ce4e2..c97f40a0ed9 100644
--- a/build/Common.prod.props
+++ b/build/Common.prod.props
@@ -10,14 +10,25 @@
       <PrivateAssets>All</PrivateAssets>
     </PackageReference>
   </ItemGroup>
+
   <ItemGroup Condition="'$(MinVerTagPrefix)' == 'core-' AND '$(CheckAPICompatibility)' == 'true'">
     <PackageReference Include="Microsoft.DotNet.ApiCompat" Version="6.0.0-beta.21308.1" PrivateAssets="All" />
     <ResolvedMatchingContract Include="..\LastMajorVersionBinaries\$(AssemblyName)\$(OTelPreviousStableVer)\lib\$(TargetFramework)\$(AssemblyName).dll" />
   </ItemGroup>
+
   <Target Name="PreBuild" BeforeTargets="PreBuildEvent" Condition="'$(MinVerTagPrefix)' == 'core-' AND '$(CheckAPICompatibility)' == 'true'">
     <Exec Command="powershell -ExecutionPolicy Unrestricted -File &quot;$(RepoRoot)\build\PreBuild.ps1&quot; -package $(AssemblyName) -version &quot;$(OTelPreviousStableVer)&quot;" />
   </Target>
 
+  <Target Name="FindContractDependencyPaths" BeforeTargets="ValidateApiCompatForSrc" AfterTargets="ResolveAssemblyReferences" Condition="'$(MinVerTagPrefix)' == 'core-' AND '$(CheckAPICompatibility)' == 'true'">
+    <ItemGroup>
+      <_ReferencePathDirectories Include="@(ReferencePath -> '%(RootDir)%(Directory)')" />
+    </ItemGroup>
+    <PropertyGroup>
+      <ContractDependencyPaths>@(_ReferencePathDirectories->Distinct())</ContractDependencyPaths>
+    </PropertyGroup>
+  </Target>
+
   <PropertyGroup>
     <CodeAnalysisRuleSet>$(MSBuildThisFileDirectory)/OpenTelemetry.prod.ruleset</CodeAnalysisRuleSet>
     <NoWarn>$(NoWarn),1573,1712</NoWarn>