Build.proj

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Go" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
	<Import Project="$(MSBuildProjectDirectory)\Build.tasks" />

	<PropertyGroup>
		<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
		<SolutionRoot>$(MSBuildProjectDirectory)</SolutionRoot>
	</PropertyGroup>

	<ItemGroup>
		<RegexTransform Include=" $(SolutionRoot)\CommonAssemblyInfo.cs ">
			<Find>(?&lt;major&gt;\d+)\.(?&lt;minor&gt;\d+)\.(?&lt;build&gt;\d+)\.\d+\.(?&lt;revision&gt;\d+)</Find>
			<ReplaceWith>$(Version)</ReplaceWith>
		</RegexTransform>
	</ItemGroup>

	<Target Name="Go" DependsOnTargets="UpdateAssemblyVersion; Build"></Target>

	<Target Name="UpdateAssemblyVersion" Condition="'$(Version)' != ''">
		<RegexTransform Items="@(RegexTransform)" />
	</Target>

	<Target Name="Build">
		<MSBuild Projects="$(SolutionRoot)\BuildVersionTest.sln" Targets="Build" />
	</Target>
</Project>