dir.targets

   1 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   2
   3   <!-- Inline task to bootstrap the build to enable downloading nuget.exe -->
   4   <UsingTask TaskName="DownloadFile" TaskFactory="CodeTaskFactory" AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v12.0.dll">
   5     <ParameterGroup>
   6       <Address ParameterType="System.String" Required="true"/>
   7       <FileName ParameterType="System.String" Required="true" />
   8     </ParameterGroup>
   9     <Task>
  10       <Reference Include="System" />
  11       <Code Type="Fragment" Language="cs">
  12         <![CDATA[
  13            var directory = System.IO.Path.GetDirectoryName(FileName);
  14            System.IO.Directory.CreateDirectory(directory);
  15            var client = new System.Net.WebClient();
  16            client.Proxy = System.Net.WebRequest.DefaultWebProxy;
  17            client.Proxy.Credentials = System.Net.CredentialCache.DefaultCredentials;
  18            client.DownloadFile(Address, FileName);
  19         ]]>
  20       </Code>
  21     </Task>
  22   </UsingTask>
  23
  24   <Target Name="_RestoreBuildTools"
  25     BeforeTargets="Build"
  26     Inputs="$(BuildToolsCoreCLRTargetInputs)"
  27     Outputs="$(BuildToolsCoreCLRTargetOutputs)"
  28     >
  29
  30     <!-- Download latest nuget.exe -->
  31     <DownloadFile
  32       Condition="!Exists($(NuGetToolPath))"
  33       Address="https://nuget.org/nuget.exe"
  34       FileName="$(NuGetToolPath)" />
  35
  36     <!-- Restore build tools -->
  37     <Exec
  38       StandardOutputImportance="Low"
  39       Command="&quot;$(NuGetToolPath)&quot; install &quot;$(PackagesGlobalConfig)&quot;  -o &quot;$(ToolsDir.Trim('\'))&quot; $(NuGetConfigCommandLine)" />
  40
  41     <Touch Files="$(BuildToolsInstallSemaphore)" AlwaysCreate="true" />
  42   </Target>
  43 </Project>