dotnet-installer/eng/common/internal/Tools.csproj

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (c)  Microsoft.  All Rights Reserved.  Licensed under the Apache License, Version 2.0.  See License.txt in the project root for license information. -->
<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <TargetFramework>net472</TargetFramework>
    <ImportDirectoryBuildTargets>false</ImportDirectoryBuildTargets>
  </PropertyGroup>
  <ItemGroup>
    <!-- Clear references, the SDK may add some depending on UsuingToolXxx settings, but we only want to restore the following -->
    <PackageReference Remove="@(PackageReference)"/>
    <PackageReference Include="Microsoft.DotNet.IBCMerge" Version="$(MicrosoftDotNetIBCMergeVersion)" Condition="'$(UsingToolIbcOptimization)' == 'true'" />
    <PackageReference Include="Drop.App" Version="$(DropAppVersion)" ExcludeAssets="all" Condition="'$(UsingToolVisualStudioIbcTraining)' == 'true'"/>
  </ItemGroup>
  <PropertyGroup>
    <RestoreSources></RestoreSources>
    <RestoreSources Condition="'$(UsingToolIbcOptimization)' == 'true'">
      https://devdiv.pkgs.visualstudio.com/_packaging/dotnet-core-internal-tooling/nuget/v3/index.json;
    </RestoreSources>
    <RestoreSources Condition="'$(UsingToolVisualStudioIbcTraining)' == 'true'">
      $(RestoreSources);
      https://devdiv.pkgs.visualstudio.com/_packaging/VS/nuget/v3/index.json;
    </RestoreSources>
  </PropertyGroup>

  <!-- Repository extensibility point -->
  <Import Project="$(RepositoryEngineeringDir)InternalTools.props" Condition="Exists('$(RepositoryEngineeringDir)InternalTools.props')" />
</Project>