build.proj

<Project Sdk="Microsoft.Build.Traversal">
  <Import Project="eng\mgmt\Directory.Build.Mgmt.props" />

  <ItemGroup>
    <ProjectReference Include="eng\mgmt.proj">
      <AdditionalProperties Condition="'$(Scope)' != ''">Scope=$(Scope)</AdditionalProperties>
    </ProjectReference>
    <ProjectReference Include="eng\service.proj">
      <AdditionalProperties Condition="'$(Scope)' != ''">Scope=$(Scope)</AdditionalProperties>
    </ProjectReference>
  </ItemGroup>
</Project>