Build.proj

<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
 <PropertyGroup>
  <Root>$(MSBuildThisFileDirectory)</Root>
  <SolutionDir>$(Root)</SolutionDir>
 </PropertyGroup>
 <Target Name="InstallNuGet">
  <MakeDir Directories="$(Root)/.nuget" />
  <MSBuild Projects="$(Root)/.nuget/NuGet.targets"
           Properties="DownloadNuGetExe=true;ProjectDir=$(Root);SolutionDir=$(Root)"
           Targets="RestorePackages" />
 </Target>
 <Target Name="Build" DependsOnTargets="InstallNuGet">
  <Exec Command="tools\psake\psake.bat"
        WorkingDirectory="$(Root)"
        LogStandardErrorAsError="true" />
 </Target>
</Project>