CreatePrivateMSBuildEnvironment.proj

<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" InitialTargets="CheckForBootstrap" ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <Import Project="dir.props" />

  <ItemGroup>
    <InstalledVersionedExtensions Include="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\**\*.targets" />
    <InstalledVersionedExtensions Include="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\**\*.props" />

    <ShimTargets Include="Microsoft.Data.Entity.targets" />
    <ShimTargets Include="Microsoft.ServiceModel.targets" />
    <ShimTargets Include="Microsoft.WinFx.targets" />
    <ShimTargets Include="Microsoft.WorkflowBuildExtensions.targets" />
    <ShimTargets Include="Microsoft.Xaml.targets" />
    <ShimTargets Include="Workflow.Targets" />
    <ShimTargets Include="Workflow.VisualBasic.Targets" />

    <InstalledMicrosoftExtensions Include="$(MSBuildExtensionsPath)\Microsoft\**\*.props" />
    <InstalledMicrosoftExtensions Include="$(MSBuildExtensionsPath)\Microsoft\**\*.targets" />

    <InstalledNuGetFiles Include="$(MSBuildExtensionsPath)\Microsoft\NuGet\*" />

    <FreshlyBuiltBinaries Include="$(OutputPath)**\*.dll" />
    <FreshlyBuiltBinaries Include="$(OutputPath)*.exe" />
    <FreshlyBuiltBinaries Include="$(OutputPath)*.pdb" />
    <FreshlyBuiltBinaries Include="$(OutputPath)*.exe.config" />

    <FreshlyBuiltProjects Include="$(OutputPath)*props" />
    <FreshlyBuiltProjects Include="$(OutputPath)*targets" />
    <FreshlyBuiltProjects Include="$(OutputPath)*tasks" />
  </ItemGroup>

  <Target Name="Build">
    <!-- Copy in props and targets from the machine-installed MSBuildExtensionsPath -->
    <Copy SourceFiles="@(InstalledVersionedExtensions)"
          DestinationFiles="@(InstalledVersionedExtensions->'$(BootstrapDestination)$(TargetMSBuildToolsVersion)\%(RecursiveDir)%(Filename)%(Extension)')" />
    <Copy SourceFiles="@(InstalledMicrosoftExtensions)"
          DestinationFiles="@(InstalledMicrosoftExtensions->'$(BootstrapDestination)Microsoft\%(RecursiveDir)%(Filename)%(Extension)')" />

    <Copy SourceFiles="@(InstalledNuGetFiles)"
          DestinationFiles="@(InstalledNuGetFiles->'$(BootstrapDestination)Microsoft\NuGet\%(Filename)%(Extension)')" />

    <!-- Delete shim projects, because they point where we can't follow. -->
    <!-- It would be better to just not copy these. -->
    <Delete Files="@(ShimTargets->'$(BootstrapDestination)$(TargetMSBuildToolsVersion)\Bin\%(FileName)%(Extension)')" />

    <!-- Copy our binaries -->
    <Copy SourceFiles="@(FreshlyBuiltBinaries)"
          DestinationFiles="@(FreshlyBuiltBinaries -> '$(BootstrapDestination)$(TargetMSBuildToolsVersion)\Bin\%(RecursiveDir)%(Filename)%(Extension)')" />

    <!-- Copy our freshly-built props and targets, overwriting anything we copied from the machine -->
    <Copy SourceFiles="@(FreshlyBuiltProjects)"
          DestinationFolder="$(BootstrapDestination)$(TargetMSBuildToolsVersion)\Bin" />
  </Target>

  <Target Name="CheckForBootstrap">
    <Error Text="You must not build $(MSBuildThisFile) with BootstrapBuildPath set.  It needs to see the 'machine-installed' MSBuildExtensionsPath."
           Condition="'$(BootstrapBuildPath)' != ''" />
  </Target>
</Project>