Directory.Build.targets

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<Project>

  <Target Name="AddInternalsVisibleTo" BeforeTargets="BeforeCompile" Label="Adds InternalsVisibleTo Attribute and PublicKey (if supplied)">
    <ItemGroup Condition="'@(InternalsVisibleTo->Count())' &gt; 0 ">
      <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleTo">
        <_Parameter1>%(InternalsVisibleTo.Identity)</_Parameter1>
        <_Parameter1 Condition=" '$(SignAssembly)' == 'true' And '$(PublicKey)' != '' ">%(InternalsVisibleTo.Identity), PublicKey=$(PublicKey)</_Parameter1>
      </AssemblyAttribute>
    </ItemGroup>
  </Target>

  <Target Name="PrintTargetFrameworks" Label="Prints the value for the $(TargetFrameworks) property or 'none' if no frameworks apply. Pass TestProjectsOnly=true to get results only if this is a test project.">
    <PropertyGroup>
      <DoOutputTargetFrameworks Condition=" '$(TestProjectsOnly)' != 'true' Or ('$(TestProjectsOnly)' == 'true' And '$(IsTestProject)' == 'true')">true</DoOutputTargetFrameworks>
      <OutputTargetFrameworks Condition=" '$(DoOutputTargetFrameworks)' == 'true' ">$(TargetFramework)</OutputTargetFrameworks>
      <!-- Fallback to TargetFrameworks field if TargetFramework is empty -->
      <OutputTargetFrameworks Condition=" '$(DoOutputTargetFrameworks)' == 'true' And '$(OutputTargetFrameworks)' == '' ">$(TargetFrameworks)</OutputTargetFrameworks>
      <OutputTargetFrameworks Condition=" '$(OutputTargetFrameworks)' == '' ">none</OutputTargetFrameworks>
    </PropertyGroup>
    <Message Text="$(OutputTargetFrameworks)" Importance="high"/>
  </Target>

  <ItemGroup Condition=" '$(SkipGitVersioning.ToLower())' != 'true' ">
    <PackageReference Include="Nerdbank.GitVersioning" PrivateAssets="All" />
  </ItemGroup>

</Project>