Aetheria/Directory.Build.targets

<Project>
  <Target Name="VerifyCultLibRevision"
          BeforeTargets="ResolveProjectReferences"
          Condition="'$(SkipCultLibRevisionCheck)' != 'true' and '@(ProjectReference->AnyHaveMetadataValue('Identity', '$(CultLibRoot)\packages\cultmath\src\CultMath\CultMath.csproj'))' == 'true'">
    <Error Condition="!Exists('$(CultLibRoot)\packages\cultmath\src\CultMath\CultMath.csproj')"
           Text="CultLibRoot '$(CultLibRoot)' does not contain the required CultMath project." />
    <Exec Command="&quot;$(GitExecutable)&quot; -C &quot;$(CultLibRoot)&quot; rev-parse HEAD"
          ConsoleToMSBuild="true"
          StandardOutputImportance="Low">
      <Output TaskParameter="ConsoleOutput" PropertyName="ActualCultLibRevision" />
    </Exec>
    <Error Condition="'$([System.String]::Copy($(ActualCultLibRevision)).Trim())' != '$(CultLibRevision)'"
           Text="CultLib must be revision $(CultLibRevision); found $([System.String]::Copy($(ActualCultLibRevision)).Trim()). Set CultLibRoot to the admitted clean worktree." />
    <Exec Command="&quot;$(GitExecutable)&quot; -C &quot;$(CultLibRoot)&quot; status --porcelain --untracked-files=normal"
          ConsoleToMSBuild="true"
          StandardOutputImportance="Low">
      <Output TaskParameter="ConsoleOutput" PropertyName="CultLibStatus" />
    </Exec>
    <Error Condition="'$([System.String]::Copy($(CultLibStatus)).Trim())' != ''"
           Text="CultLibRoot must be clean before Aetheria consumes it." />
  </Target>
</Project>