Directory.Build.props

<Project InitialTargets="VerifyBuildProps">
  <!-- See: https://docs.microsoft.com/en-us/visualstudio/msbuild/customize-your-build?view=vs-2019#directorybuildprops-and-directorybuildtargets -->
  <PropertyGroup>
    <MSBuildAllProjects>$(MSBuildAllProjects);$(MSBuildThisFileFullPath)</MSBuildAllProjects>
    <IsOfficialBuild Condition="'$(IsOfficialBuild)' == ''">false</IsOfficialBuild>

    <!-- Because the default value in MSBuild doesn't get set until after Directory.Build.props, and we need it, we set the default here. -->
    <Configuration Condition="'$(Configuration)' == ''">Debug</Configuration>
  </PropertyGroup>

  <PropertyGroup Label="Build layout">
    <RepoRoot>$(MSBuildThisFileDirectory)</RepoRoot>
    <SrcRoot>$(RepoRoot)src\</SrcRoot>
  </PropertyGroup>

  <PropertyGroup Label="Official build defaults" Condition="'$(IsOfficialBuild)' == 'true'">
    <Enable_Telemetry>true</Enable_Telemetry>
  </PropertyGroup>

  <!-- Use our dev nuget config when requested. -->
  <PropertyGroup Label="Dev Nuget config" Condition="'$(UseNugetDevConfig)' == 'true' and '$(IsOfficialBuild)' != 'true'">
    <RestoreConfigFile Condition="'$(RestoreConfigFile)' == ''">$(RepoRoot)nuget.dev.config</RestoreConfigFile>

    <!-- since we're using dev nuget packages, lets prevent dirtying up the local nuget cache folder -->
    <RestorePackagesPath>$(RepoRoot)obj\.nuget-cache</RestorePackagesPath>
  </PropertyGroup>

  <Target Name="VerifyBuildProps">
    <Error Condition="'$(isOfficialBuild)' == 'true' and '$(UseNugetDevConfig)' == 'true'"
           Text="UseNugetDevConfig cannot be set for official builds." />
    <Error Condition="'$(isOfficialBuild)' == 'true' and '$(PublishToDevNugetFeed)' == 'true'"
           Text="PublishToDevNugetFeed cannot be set for official builds." />

    <Error Condition="('$(UseNugetDevConfig)' == 'true' or '$(PublishToDevNugetFeed)' == 'true') and '$(NUGET_LOCAL_DEV_PACKAGES)' == ''"
           Text="The environment variable 'NUGET_LOCAL_DEV_PACKAGES' is not set. This is required to use any of the arguments: UseNugetDevConfig, PublishToDevNugetFeed" />
    <Error Condition="'$(NUGET_LOCAL_DEV_PACKAGES)' != '' and !Exists('$(NUGET_LOCAL_DEV_PACKAGES)')"
           Text="The environment variable 'NUGET_LOCAL_DEV_PACKAGES' is set, but does not exist. Ensure it exists if specified." />
  </Target>
</Project>