<Project ToolsVersion="15.0">
  <Target Name="PublishAll" AfterTargets="Publish"
          Condition="'$(RuntimeIdentifier)'=='' and '$(RuntimeIdentifiers)'!=''">
    <ItemGroup>
      <RIDsToPublish Include="$(RuntimeIdentifiers)" />
    </ItemGroup>

    <MSBuild Projects="$(MSBuildProjectFullPath)" Targets="Publish"
             Properties="RuntimeIdentifier=%(RIDsToPublish.Identity)"
             RemoveProperties="RuntimeIdentifiers"/>
  </Target>

  <Target Name="PublishRID" AfterTargets="Publish"
          Condition="'$(RuntimeIdentifier)'!=''">
    <Message Importance="High" Text="Published $(RuntimeIdentifier)" />
  </Target>
</Project>