Directory.Build.props

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

 <PropertyGroup>
  <RootDir>$([MSBuild]::EnsureTrailingSlash($([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), .gitignore))))</RootDir>
  <BuildDir>$([MSBuild]::EnsureTrailingSlash($(RootDir)build))</BuildDir>
 </PropertyGroup>

 <PropertyGroup>
  <Nullable>enable</Nullable>
  <IsSharedProject>false</IsSharedProject>
  <IsSharedProject Condition=" ('$(MSBuildProjectExtension)' == '.shproj') OR ('$(MSBuildProjectExtension)' == '.msbuildproj') ">true</IsSharedProject>
  <IsPackable>true</IsPackable>
  <IsPackable Condition=" '$(IsSharedProject)' == 'true' ">false</IsPackable>
  <IsTestProject>$(MSBuildProjectName.EndsWith('Tests'))</IsTestProject>
  <IsExampleProject>$(MSBuildProjectName.EndsWith('Example'))</IsExampleProject>
 </PropertyGroup>

 <ImportGroup Condition=" '$(IsSharedProject)' == 'false' ">
  <Import Project="$(BuildDir)common.props" />
  <Import Project="$(BuildDir)assembly-info.props" />
 </ImportGroup>

 <ImportGroup Condition=" '$(IsExampleProject)' == 'false' ">
  <Import Project="$(BuildDir)code-analysis.props" />
 </ImportGroup>

 <ImportGroup Condition=" '$(IsSharedProject)' == 'false' AND '$(IsTestProject)' == 'false' AND '$(IsExampleProject)' == 'false' ">
  <Import Project="$(BuildDir)nuget.props" />
 </ImportGroup>

 <ImportGroup Condition=" '$(IsSharedProject)' == 'false' AND '$(IsTestProject)' == 'true' ">
  <Import Project="$(BuildDir)test.props" />
 </ImportGroup>

 <ItemGroup Condition=" '$(IsTestProject)' == 'false' ">
  <Using Include="System.Diagnostics.CodeAnalysis" />
 </ItemGroup>

</Project>