Directory.Build.targets

<Project>
  <Target Name="SetNuGetPackageOutputs" AfterTargets="Pack" Condition=" '$(GITHUB_OUTPUT)' != '' ">
    <PropertyGroup>
      <_PackageNamesPath>$(ArtifactsPath)\package-names.txt</_PackageNamesPath>
    </PropertyGroup>
    <ReadLinesFromFile File="$(_PackageNamesPath)">
      <Output TaskParameter="Lines" ItemName="_PackageNames" />
    </ReadLinesFromFile>
    <ItemGroup>
      <_PackageNames Include="$(PackageId)" />
    </ItemGroup>
    <RemoveDuplicates Inputs="@(_PackageNames)">
      <Output TaskParameter="Filtered" ItemName="_UniquePackageNames" />
    </RemoveDuplicates>
    <PropertyGroup>
      <_UniquePackageNames>@(_UniquePackageNames->'%(Identity)', ',')</_UniquePackageNames>
    </PropertyGroup>
    <WriteLinesToFile File="$(_PackageNamesPath)" Lines="@(_UniquePackageNames)" Overwrite="true" WriteOnlyWhenDifferent="true" />
    <WriteLinesToFile File="$(GITHUB_OUTPUT)" Lines="package-names=$(_UniquePackageNames)" />
    <WriteLinesToFile File="$(GITHUB_OUTPUT)" Lines="package-version=$(Version)" />
  </Target>
</Project>