getnuget.targets

<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" DefaultTargets="GetNuget">

  <!--
  This is an MSBuild snippet that can be used to download nuget to the path
  in the property NuGetExePath property.
  
  Usage:
   1. Copy and paste this into your build script
   2. Call the GetNuGet target before you use nuget.exe from $(NuGetExePath)
  -->

  <PropertyGroup>
    <NuGetExePath Condition=" '$(NuGetExePath)'=='' ">$(localappdata)\LigerShark\tools\nuget.exe</NuGetExePath>
    <NuGetDownloadUrl Condition=" '$(NuGetDownloadUrl)'=='' ">http://nuget.org/nuget.exe</NuGetDownloadUrl>
  </PropertyGroup>

  <Target Name="GetNuget" Condition="!Exists('$(NuGetExePath)')">
    <Message Text="Downloading nuget from [$(NuGetDownloadUrl)] to [$(NuGetExePath)]" Importance="high"/>
    <ItemGroup>
      <_nugetexeitem Include="$(NuGetExePath)" />
    </ItemGroup>
    <MakeDir Directories="@(_nugetexeitem->'%(RootDir)%(Directory)')"/>
    <DownloadFile
        Address="$(NuGetDownloadUrl)"
        FileName="$(NuGetExePath)" />
  </Target>

  <PropertyGroup Condition=" '$(ls-msbuildtasks-path)'=='' ">
    <ls-msbuildtasks-path>$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll</ls-msbuildtasks-path>
    <ls-msbuildtasks-path Condition=" !Exists('$(ls-msbuildtasks-path)')">$(MSBuildFrameworkToolsPath)\Microsoft.Build.Tasks.v4.0.dll</ls-msbuildtasks-path>
    <ls-msbuildtasks-path Condition=" !Exists('$(ls-msbuildtasks-path)')">$(windir)\Microsoft.NET\Framework\v4.0.30319\Microsoft.Build.Tasks.v4.0.dll</ls-msbuildtasks-path>
  </PropertyGroup>

  <UsingTask TaskName="DownloadFile" TaskFactory="CodeTaskFactory" AssemblyFile="$(ls-msbuildtasks-path)">
    <!-- http://stackoverflow.com/a/12739168/105999 -->
    <ParameterGroup>
      <Address ParameterType="System.String" Required="true"/>
      <FileName ParameterType="System.String" Required="true" />
    </ParameterGroup>
    <Task>
      <Reference Include="System" />
      <Code Type="Fragment" Language="cs">
        <![CDATA[
            new System.Net.WebClient().DownloadFile(Address, FileName);
        ]]>
      </Code>
    </Task>
  </UsingTask>

</Project>