Get the NuGet CommandLine executable including path (version 2.8.6)

GetNuGetCommandLine.targets

  <UsingTask
    TaskName="GetNuGetCommandLine"
    TaskFactory="CodeTaskFactory"
    AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll">

    <ParameterGroup>
      <SolutionPath ParameterType="System.String" Required="true" />
      <NuGetCommandLine ParameterType="System.String" Output="true" />
    </ParameterGroup>

    <Task>
      <Reference Include="System.Xml" />
      <Reference Include="System.Xml.Linq"/>
      <Using Namespace="System.IO" />
      <Using Namespace="System.Linq" />
      <Using Namespace="System.Xml.Linq" />
      <Code Type="Fragment" Language="cs">
        <![CDATA[
        Log.LogMessage("Getting the NuGet command line.", MessageImportance.High);
        
        var solutionDirectory = this.SolutionPath;
        var nugetDirectory = Path.Combine(solutionDirectory, ".nuget");
        if (Directory.Exists(nugetDirectory))
        {
          var xml = XDocument.Load(Path.Combine(nugetDirectory, "packages.config"));

          Log.LogMessage("XML: " + xml.Root.Elements("packages").ToString(), MessageImportance.High);

          var nuget = (from package in xml.Root.Elements("package")
            where package.Attribute("id").Value.Equals("NuGet.CommandLine", StringComparison.InvariantCultureIgnoreCase)
            select new
            {
              Id = package.Attribute("id").Value,
              Version = package.Attribute("version").Value
            }).FirstOrDefault();

          if (nuget != null)
          {
            this.NuGetCommandLine = Path.Combine(solutionDirectory,
              string.Format("packages\\{0}.{1}\\tools\\NuGet.exe", nuget.Id, nuget.Version));
          }
        }

        if (string.IsNullOrEmpty(this.NuGetCommandLine))
        {
          throw new Exception("NuGet.CommandLine package not installed.");
        }

        Log.LogMessage("Command Line: " + this.NuGetCommandLine, MessageImportance.High);
      ]]>
      </Code>
    </Task>
  </UsingTask>

zBuild.proj

<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <Target Name="Build">
    <GetNuGetCommandLine SolutionPath="$(SolutionDir)">
      <Output TaskParameter="NuGetCommandLine" PropertyName="NuGetCommandLine" />
    </GetNuGetCommandLine>
    
    <!-- The version properties ($(Major), $(Minor), $(Build)) are built in a different target. -->
  
    <!-- Package the project -->
    <Exec Command="$(NuGetCommandLine) pack $(TargetName).nuspec -Properties &quot;Configuration=$(ConfigurationName);Version=$(Major).$(Minor).$(Build);ID=$(TargetName)&quot; -OutputDir &quot;$(OutputDirectory)&quot;" />
  </Target>
</Project>