Directory.Build.targets

<Project>
  <!-- Properties which should be set after the project has been evaluated -->
  <PropertyGroup Condition=" '$(MSBuildProjectExtension)' == '.csproj' ">
    <PackageId Condition=" '$(PackageId)' == '' ">$(AssemblyName)</PackageId>
    <Description Condition=" '$(Description)' == ''">$(PackageId)</Description>
  </PropertyGroup>

  <Import Project="eng\Baseline.Designer.props" />

  <PropertyGroup Condition=" '$(IsPackable)' != 'false' AND '$(IsServicingBuild)' == 'true' ">
    <IsPackageInThisPatch Condition="'$(IsPackageInThisPatch)' == ''">$(PackagesInPatch.Contains(' $(PackageId);'))</IsPackageInThisPatch>
    <!-- Suppress creation of .nupkg for servicing builds. -->
    <IsPackable Condition=" '$(IsPackageInThisPatch)' != 'true' ">false</IsPackable>
  </PropertyGroup>

  <PropertyGroup Condition=" '$(IsPackageInThisPatch)' != 'true' AND '$(BaselinePackageVersion)' != '' AND '$(IsServicingBuild)' == 'true' ">
    <!-- This keeps assembly and package versions consistent across patches. If a package is not included in a patch, its version should stay at the baseline. -->
    <AssemblyVersion Condition="$(BaselinePackageVersion.Contains('-'))">$(BaselinePackageVersion.Substring(0, $(BaselinePackageVersion.IndexOf('-')))).0</AssemblyVersion>
    <AssemblyVersion Condition="! $(BaselinePackageVersion.Contains('-'))">$(BaselinePackageVersion).0</AssemblyVersion>
    <!--
      Ideally, we would also set the project version to match the baseline in case NuGet turns a ProjectReference into a nuspec depenendency, but
      NuGet does not currently handle conflicts between packages and projects which have the same package id/version.

      See https://github.com/NuGet/Home/issues/6795
    -->
    <!-- <Version>$(BaselinePackageVersion)</Version> -->
    <!-- <PackageVersion>$(BaselinePackageVersion)</PackageVersion> -->
  </PropertyGroup>

  <PropertyGroup>
    <!-- Implementation projects are the projects which produce nuget packages or shipping assemblies. -->
    <IsImplementationProject Condition=" '$(IsImplementationProject)' == '' AND '$(IsTestAssetProject)' != 'true' AND '$(IsUnitTestProject)' != 'true' AND '$(IsBenchmarkProject)' != 'true' AND '$(IsSampleProject)' != 'true' AND '$(IsReferenceAssemblyProject)' == 'false' ">true</IsImplementationProject>
    <!-- This determines whether a project is available as a <Reference> to other projects in this repo. -->
    <IsProjectReferenceProvider Condition=" '$(IsProjectReferenceProvider)' == '' AND '$(IsImplementationProject)' == 'true' AND '$(PackAsTool)' != 'true' ">true</IsProjectReferenceProvider>

    <HasReferenceAssembly Condition="'$(HasReferenceAssembly)' == '' AND '$(IsProjectReferenceProvider)' == 'true' AND '$(IsShipping)' == 'true'">true</HasReferenceAssembly>
    <HasReferenceAssembly Condition="'$(HasReferenceAssembly)' == ''">false</HasReferenceAssembly>
  </PropertyGroup>

  <ItemGroup>
    <!-- Track compiler separately from Arcade.-->
    <PackageReference Include="Microsoft.Net.Compilers.Toolset"
        Version="$(MicrosoftNetCompilersToolsetVersion)"
        PrivateAssets="all"
        IsImplicitlyDefined="true" />
  </ItemGroup>

  <ItemGroup Condition="'$(Language)' == 'C#' AND '$(IsReferenceAssemblyProject)' == 'true'">
    <Compile Include="$(SharedSourceRoot)ReferenceAssemblyInfo.cs" LinkBase="Properties" />
  </ItemGroup>

  <Import Project="eng\targets\Packaging.targets" Condition=" '$(MSBuildProjectExtension)' == '.csproj' " />
  <Import Project="eng\targets\ResolveReferences.targets" Condition=" '$(DisableReferenceRestrictions)' != 'true' AND '$(MSBuildProjectExtension)' == '.csproj' " />
  <Import Project="eng\targets\ReferenceAssembly.targets" Condition=" '$(HasReferenceAssembly)' == 'true' " />
  <Import Project="Sdk.targets" Sdk="Microsoft.DotNet.Arcade.Sdk" />
  <Import Project="eng\Workarounds.AfterArcade.targets" />
  <Import Project="eng\targets\Npm.Common.targets"  Condition="'$(MSBuildProjectExtension)' == '.npmproj'" />
</Project>