Directory.Build.props (7 lines of code) (raw):
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<RepoRoot>$(MSBuildThisFileDirectory)</RepoRoot>
<RepoEngPath>$(MSBuildThisFileDirectory)eng</RepoEngPath>
</PropertyGroup>
<Import Project="$(RepoEngPath)/Directory.Build.props" />
</Project>