Sdk.targets

<Project>

  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk"
       Condition="!Exists('$(MSBuildProjectExtensionsPath)SmallSharp.sdks.targets')" />

  <Import Project="$(MSBuildProjectExtensionsPath)SmallSharp.sdks.targets"
       Condition="Exists('$(MSBuildProjectExtensionsPath)SmallSharp.sdks.targets')" />

  <Import Project="..\build\SmallSharp.targets" />

  <Target Name="ImplicitPackageReferenceFromStartupFile" 
          BeforeTargets="_GenerateProjectRestoreGraphPerFramework;ResolvePackageAssets;CompileDesignTime;CollectUpToDateCheckInputDesignTime"
          DependsOnTargets="StartupFile"
          Condition="'$(StartupFile)' != '' and Exists('$(StartupFile)')">

    <!-- Optimize for restore success on first run without previously running our targets -->
    <ReadLinesFromFile File="$(StartupFile)">
      <Output TaskParameter="Lines" ItemName="_StartupFileLines" />
    </ReadLinesFromFile>

    <ItemGroup>
      <_PkgLines Include="@(_StartupFileLines)"
                 Condition="$([MSBuild]::ValueOrDefault('%(Identity)', '').StartsWith('#:package '))" />

      <_PkgReference Include="$([MSBuild]::ValueOrDefault('%(_PkgLines.Identity)', '').Substring(10))" />

      <PackageReference Condition="'@(_PkgReference)' != ''" Include="$([MSBuild]::ValueOrDefault('%(_PkgReference.Identity)', '').Split('@')[0])">
        <Version>$([MSBuild]::ValueOrDefault('%(_PkgReference.Identity)', '').Split('@')[1])</Version>
      </PackageReference>
    </ItemGroup>

  </Target>

</Project>