A .NET project file describing complex usage of MSBuild to extract binaries from gRPC.

UnityNuGet.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>

    <PublishDir>../Assets/NuGet</PublishDir>
    <TargetFramework>netstandard2.1</TargetFramework>
    <UnityBuildArchitecture>win-x64</UnityBuildArchitecture>
    <ProtobufClientDir>../Assets</ProtobufClientDir>

  </PropertyGroup>

  <ItemGroup>

    <Protobuf Include="Protos/*.proto" GrpcServices="Client" OutputDir="$(ProtobufClientDir)" />

    <PackageReference Include="Grpc.Core" Version="2.46.6" />

    <PackageReference Include="Google.Protobuf" Version="3.23.4" />

    <PackageReference Include="Grpc.Tools" Version="2.56.2" ExcludeAssets="compile" />

  </ItemGroup>

  <Target Name="CleanBeforeRestore" BeforeTargets="Restore">
    <RemoveDir Directories="$(PublishDir)" />
    <RemoveDir Directories="$(ProtobufClientDir)/Protos" />
  </Target>

  <Target Name="CleanAfterPublish" AfterTargets="Publish">
    <ItemGroup>
      <PublishedFilesToDelete Include="$(PublishDir)/$(ProjectName).*" />
      <GrpcVersion Include="%(PackageReference.Version)" Condition="%(Identity) == 'Grpc.Core'" />
    </ItemGroup>

    <PropertyGroup>
      <GrpcVersion>@(GrpcVersion)</GrpcVersion>
      <GrpcRuntimeDir>NuGet/grpc.core/$(GrpcVersion)/runtimes/$(UnityBuildArchitecture)/native</GrpcRuntimeDir>
      <GrpcRuntimePath>$([System.IO.Directory]::GetFiles('$(GrpcRuntimeDir)')[0])</GrpcRuntimePath>
      <GrpcRuntimeExtension>$([System.IO.Path]::GetExtension('$(GrpcRuntimePath)'))</GrpcRuntimeExtension>
    </PropertyGroup>

    <RemoveDir Directories="$(BaseIntermediateOutputPath)" />
    <RemoveDir Directories="$(BaseOutputPath)" />
    <Delete Files="@(PublishedFilesToDelete)" />

    <Copy
      SourceFiles="$(GrpcRuntimePath)"
      DestinationFiles="$(PublishDir)/grpc_csharp_ext$(GrpcRuntimeExtension)"
    />
  </Target>

</Project>