<?xml version="1.0" encoding="utf-8"?>
<!--
***********************************************************************************************
depProj.targets

WARNING:  DO NOT MODIFY this file unless you are knowledgeable about MSBuild and have
          created a backup copy.  Incorrect changes to this file will make it
          impossible to load or build your projects from the command-line or the IDE.

This file defines the steps in the standard build process specific for NuGet deployment
projects. The remainder of the build process is defined in Microsoft.Common.targets, 
which is imported by this file.

Licensed to the .NET Foundation under one or more agreements.
The .NET Foundation licenses this file to you under the MIT license.
See the LICENSE file in the project root for more information.
***********************************************************************************************
-->
<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <!-- Deployment project
       Restores NuGet dependencies and copies them to the output directory.
       
       NuGetTargetMoniker - determined by the TargetFramework* and TargetPlatform* 
                            properties of the project, can be overidden.
       NuGetRuntimeIdentifier - defaults to win-$(PlatformTarget), can be overidden
       NuGetDeploySourceItem - defaults to ReferenceCopyLocalPaths, can be overidden to
                               specify Reference (for compile assets) or Analyzer(for
                               analyzer assets)
                         
       For the appropriate behavior of P2P references the project should set the 
       TargetName and TargetExt to match one of the files that will be copied
       from the packages.
  -->
  
  <PropertyGroup>
    <NuGetDeploySourceItem Condition="'$(NuGetDeploySourceItem)' == ''">ReferenceCopyLocalPaths</NuGetDeploySourceItem>

    <!-- suppress the attempt to copy build output. -->
    <CopyBuildOutputToOutputDirectory>false</CopyBuildOutputToOutputDirectory>

    <!-- make sure we tell nuget targets to copy, even if output type would not by default -->
    <CopyNuGetImplementations>true</CopyNuGetImplementations>

    <!-- by default there shouldn't be any assets in depproj files that require signing -->
    <SkipSigning Condition="'$(SkipSigning)' == ''">true</SkipSigning>
  </PropertyGroup>
  
  <Target Name="CoreCompile">

    <Error Condition="'$(NuGetDeploySourceItem)' != 'ReferenceCopyLocalPaths' AND
                      '$(NuGetDeploySourceItem)' != 'Reference' AND
                      '$(NuGetDeploySourceItem)' != 'Analyzer'"
           Text="Unexpected value for NuGetDeploySourceItem:'$(NuGetDeploySourceItem)'.  Expected ReferenceCopyLocalPaths, Reference, or Analyzer." />

    <ItemGroup>
      <!-- Don't set IntermediateAssembly since this is not produced -->
      <IntermediateAssembly Remove="@(IntermediateAssembly)" />
      
      <NuGetDeploy Include="@($(NuGetDeploySourceItem))" />
      <!-- filter to only items that came from packages -->
      <!-- the following condition must be applied after the include because msbuild doesn't seem
           to support property-defined-item-names in a metadata statement -->
      <NuGetDeploy Remove="@(NuGetDeploy)" Condition="'%(NugetDeploy.NuGetPackageId)' == ''" />
      
      <!-- remove all existing items from NuGet packages we'll be defining these in our own item -->
      <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="'%(ReferenceCopyLocalPaths.NuGetPackageId)' != ''"/>
      <Reference Remove="@(Reference)" Condition="'%(Reference.NuGetPackageId)' != ''"/>
      <Analyzer Remove="@(Analyzer)" Condition="'%(Analyzer.NuGetPackageId)' != ''"/>

      <!-- add items defined by NuGetDeployItem property to ReferenceCopyLocalPaths -->
      <ReferenceCopyLocalPaths Include="@(NuGetDeploy)" />
    </ItemGroup>

    <Error Condition="'@(NuGetDeploy)' == ''" Text="Error no assets were resolved from NuGet packages." />
    <Message Importance="High" Text="%(FullPath) (%(NuGetPackageId).%(NuGetPackageVersion)) -&gt; @(NuGetDeploy->'%(FileName)%(Extension)')" />
    
    <!-- Include marker files if an extension has been provided -->
    <!-- internal builds use this to distinguish files which have already been signed -->
    <Touch Condition="'$(DeployMarkerExtension)' != ''" Files="@(NuGetDeploy->'$(TargetDir)%(FileName)$(DeployMarkerExtension)')" AlwaysCreate="true">
      <Output TaskParameter="TouchedFiles" ItemName="FileWrites"/>
    </Touch>
  </Target>
  
  <Import Project="$(MSBuildToolsPath)\Microsoft.Common.targets" />

  <!-- Required by Common.Targets but not used for depproj -->
  <Target Name="CreateManifestResourceNames" />
  
</Project>
