Directory.Build.targets

<Project>

  <Import Project="Sdk.targets" Sdk="Microsoft.DotNet.Arcade.Sdk" />

  <PropertyGroup>
    <TFMPackTempOutputDir>$([MSBuild]::NormalizeDirectory('$(BaseOutputPath)', 'pack'))</TFMPackTempOutputDir>
  </PropertyGroup>

  <!--
    Disable Arcade util that populates PackTask properties. For these projects, the nuspec already
    contains everything. It's generated when the package is initially deconstructed and tends to be
    unique per package, so there's no benefit to this Arcade util.
  -->
  <Target Name="InitializeStandardNuspecProperties" />

  <Target Name="GetProjectSrc">
    <ItemGroup>
      <!--
        Files that may need the 'constraint' token fixed before they can be assembled. They were
        decompiled with a 3.1 ildasm not compatible with 5.0 ilasm. In some cases the fix is not
        necessary for a given IL filename in a certain TFM, but is necessary for a file with the
        same name in a different TFM. The patch doesn't take a particularly long time, so prefer
        keeping this list simple.
      -->
      <TargetingPackSrcRequiringConstraintPatch
        Include="
          $(MSBuildProjectDirectory)\**\Microsoft.AspNetCore.Components.il;
          $(MSBuildProjectDirectory)\**\Microsoft.AspNetCore.Mvc.Cors.il;
          $(MSBuildProjectDirectory)\**\Microsoft.AspNetCore.Routing.il;
          $(MSBuildProjectDirectory)\**\netstandard.il;
          $(MSBuildProjectDirectory)\**\presentationframework.*.il;
          $(MSBuildProjectDirectory)\**\PresentationFramework.*.il;
          $(MSBuildProjectDirectory)\**\PresentationFramework.il;
          $(MSBuildProjectDirectory)\**\System.Activities.Presentation.il;
          $(MSBuildProjectDirectory)\**\System.ComponentModel.Composition.il;
          $(MSBuildProjectDirectory)\**\System.Data.Common.il;
          $(MSBuildProjectDirectory)\**\System.Data.Entity.il;
          $(MSBuildProjectDirectory)\**\System.Data.il;
          $(MSBuildProjectDirectory)\**\System.Design.il;
          $(MSBuildProjectDirectory)\**\System.Reflection.Metadata.il;
          $(MSBuildProjectDirectory)\**\System.Web.il;
          $(MSBuildProjectDirectory)\**\System.Xml.il;
          $(MSBuildProjectDirectory)\**\System.XML.il;
          $(MSBuildProjectDirectory)\**\WindowsFormsIntegration.il" />

      <!-- Find all IL. Leave out IL that needs to be patched before being built. -->
      <TargetingPackSrc
        Include="$(MSBuildProjectDirectory)\**\*.il"
        Exclude="@(TargetingPackSrcRequiringConstraintPatch)" />
      <TargetingPackSrc
        RelativeOutputAssemblyFile="%(RecursiveDir)%(Filename).dll" />

      <PotentialCompileSrc Include="**\*.cs" />

      <NuGetGeneratedMetadataFile Include="
        .signature.p7s;
        _rels\**;
        [Content_Types].xml;
        " />

      <StructureFile
        Include="**\*.*"
        Exclude="
          @(TargetingPackSrc);
          @(TargetingPackSrcRequiringConstraintPatch);
          @(PotentialCompileSrc);
          **\*.csproj;
          @(NuGetGeneratedMetadataFile);
          "
        Condition="'$(TextOnlyPackage)' != 'true'" />
      <StructureFile
        Include="**\*"
        Exclude="$(MSBuildProjectFullPath)"
        Condition="'$(TextOnlyPackage)' == 'true'"/>

      <StaticAssetFile
        Include="@(StructureFile)"
        Destination="$(TFMPackTempOutputDir)%(RecursiveDir)%(Filename)%(Extension)" />
    </ItemGroup>
  </Target>

  <Target Name="CopyStaticAssetsToOutput"
          BeforeTargets="GenerateNuspec"
          DependsOnTargets="GetProjectSrc">
    <!-- Ensure TFMPackTempOutputDir defined, to avoid globbing entire machine... -->
    <Error Condition="'$(TFMPackTempOutputDir)' == ''" Text="TFMPackTempOutputDir not defined" />

    <Copy
      SourceFiles="@(StaticAssetFile)"
      DestinationFiles="@(StaticAssetFile -> '%(Destination)')" />
  </Target>

  <!--
    Instead of using the nuspec specified by a static property, use one that we find dynamically. In
    this case, the project file has already statically set the nuspec property to some other value,
    which takes priority over Directory.Build.props, so we override it dynamically in this target.

    This target is also a nice place to enforce that we do actually have a nuspec.
  -->
  <Target Name="SetManualPackTaskInputs"
          BeforeTargets="_CalculateInputsOutputsForPack;GenerateNuspec">
    <ItemGroup>
      <NuspecFile Include="*.nuspec" />
    </ItemGroup>

    <Error Condition="@(NuspecFile->Count()) != 1" Text="Expected exactly one nuspec file." />

    <PropertyGroup>
      <NuspecFile>$(TFMPackTempOutputDir)@(NuspecFile)</NuspecFile>
    </PropertyGroup>
  </Target>

</Project>