Prova/Directory.TargetFrameworks.props at master · Digvijay/Prova · GitHub

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<Project>

  <!--
    Shared target-framework policy for the Sustainable .NET Toolkit repositories.

    Goals:
      * Keep supporting the current LTS (net8.0) so existing consumers are not stranded.
      * Build and test on the current release (net10.0).
      * Build and test on the next release (net11.0) so that breaking changes are found during the
        preview window rather than on release day.

    The preview target framework is opt-in rather than auto-detected. Auto-detection was tried and
    does not work: TargetFrameworks has to be known during evaluation of Directory.Build.props,
    which MSBuild imports from Microsoft.Common.props before the SDK defines NETCoreSdkVersion, so
    the SDK version is not observable at that point. An opt-in switch is deterministic, keeps a
    plain `dotnet build` working on every SDK, and lets CI turn the preview leg on explicitly.

    Enable it with either:
        dotnet build -p:IncludePreviewTargetFramework=true
        $env:INCLUDE_PREVIEW_TFM = 'true'

    Building the preview target framework requires a matching preview SDK to be installed.
  -->

  <PropertyGroup Condition="'$(IncludePreviewTargetFramework)' == '' and '$(INCLUDE_PREVIEW_TFM)' != ''">
    <IncludePreviewTargetFramework>$(INCLUDE_PREVIEW_TFM)</IncludePreviewTargetFramework>
  </PropertyGroup>

  <PropertyGroup Condition="'$(IncludePreviewTargetFramework)' == ''">
    <IncludePreviewTargetFramework>false</IncludePreviewTargetFramework>
  </PropertyGroup>

  <PropertyGroup>
    <!-- The preview framework. Bump this one place when the next preview opens. -->
    <ToolkitPreviewTargetFramework>net11.0</ToolkitPreviewTargetFramework>

    <!-- Frameworks for shipping libraries: current LTS plus current release. -->
    <ToolkitLibraryTargetFrameworks>net8.0;net10.0</ToolkitLibraryTargetFrameworks>
    <ToolkitLibraryTargetFrameworks Condition="'$(IncludePreviewTargetFramework)' == 'true'">$(ToolkitLibraryTargetFrameworks);$(ToolkitPreviewTargetFramework)</ToolkitLibraryTargetFrameworks>

    <!-- Frameworks for tests, samples and executables: current release, plus preview. -->
    <ToolkitAppTargetFrameworks>net10.0</ToolkitAppTargetFrameworks>
    <ToolkitAppTargetFrameworks Condition="'$(IncludePreviewTargetFramework)' == 'true'">$(ToolkitAppTargetFrameworks);$(ToolkitPreviewTargetFramework)</ToolkitAppTargetFrameworks>

    <!--
      Frameworks for the primary test projects. Tests must run on every framework the library
      ships, otherwise a target framework is published without ever having been executed. Sannr's
      tests, for example, ran only on net8.0 while the package shipped net8.0 and net10.0.
    -->
    <ToolkitTestTargetFrameworks>net8.0;net10.0</ToolkitTestTargetFrameworks>
    <ToolkitTestTargetFrameworks Condition="'$(IncludePreviewTargetFramework)' == 'true'">$(ToolkitTestTargetFrameworks);$(ToolkitPreviewTargetFramework)</ToolkitTestTargetFrameworks>
  </PropertyGroup>

</Project>