ExternalProjectPackages.targets

<Project>
  <PropertyGroup>
    <ExternalProjectDirectory>$(ExternalProjectDirectory)</ExternalProjectDirectory>
    <ExternalProjectName>$(ExternalProjectName)</ExternalProjectName>
    <ExternalProjectReference>$(ExternalProjectReference)</ExternalProjectReference>
  </PropertyGroup>

  <Target Name="ConsumeExternalProjectPackages" BeforeTargets="CollectPackageReferences">
    <Error Text="The property ExternalProjectDirectory was not set" Condition="'$(ExternalProjectDirectory)' == ''" />
    <Error Text="The property ExternalProjectDirectory does not end with &quot;/&quot;" Condition="!$(ExternalProjectDirectory.EndsWith('/'))" />
    <Error Text="The property ExternalProjectName was not set" Condition="'$(ExternalProjectName)' == ''" />

    <PropertyGroup>
      <_ExternalProjectReference Condition="'$(ExternalProjectReference)' == ''">$(ExternalProjectDirectory)$(ExternalProjectName).csproj</_ExternalProjectReference>
    </PropertyGroup>

    <PropertyGroup>
      <ExternalProjectPackages>$(MSBuildProjectDirectory)/obj/$(ExternalProjectName).$(MSBuildThisFileName).props</ExternalProjectPackages>
    </PropertyGroup>

    <MSBuild Projects="$(_ExternalProjectReference)" Targets="Restore" />
    <Exec Command="dotnet script $(MSBuildThisFileDirectory)../scripts/ImportableExternalPackages/main.csx -- &quot;$(ExternalProjectDirectory)obj/project.assets.json&quot; &quot;$(ExternalProjectPackages)&quot;" />

    <!-- As we can not import dynamically the .props with the packages inside we use this as workaround -->
    <MSBuild Projects="$(MSBuildThisFileDirectory)OutputImportedPackages.targets" Targets="OutputPackageReferences" Properties="ImportProject=$(ExternalProjectPackages)">
      <Output TaskParameter="TargetOutputs" ItemName="_ExternalProjectPackageReferences" />
    </MSBuild>

    <ItemGroup>
      <PackageReference Include="@(_ExternalProjectPackageReferences)" />
    </ItemGroup>

    <!-- For debug purpose -->
    <!-- <Message Importance="High" Text="%(PackageReference.Identity)" /> -->
  </Target>
</Project>