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//-----------------------------------------------------------------------
// <copyright file="NuGetPack.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.BuildTasks {
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Xml.Linq;
using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;
/// <summary>
/// Creates a .nupkg archive from a .nuspec file and content files.
/// </summary>
public class NuGetPack : ToolTask {
/// <summary>
/// Gets or sets the path to the .nuspec file.
/// </summary>
[Required]
public ITaskItem NuSpec { get; set; }
/// <summary>
/// Gets or sets the base directory, the contents of which gets included in the .nupkg archive.
/// </summary>
public ITaskItem BaseDirectory { get; set; }
/// <summary>
/// Gets or sets the path to the directory that will contain the generated .nupkg archive.
/// </summary>
public ITaskItem OutputPackageDirectory { get; set; }
/// <summary>
/// Returns the fully qualified path to the executable file.
/// </summary>
/// <returns>
/// The fully qualified path to the executable file.
/// </returns>
protected override string GenerateFullPathToTool() {
return this.ToolPath;
}
/// <summary>
/// Gets the name of the executable file to run.
/// </summary>
/// <returns>The name of the executable file to run.</returns>
protected override string ToolName {
get { return "NuGet.exe"; }
}
/// <summary>
/// Runs the exectuable file with the specified task parameters.
/// </summary>
/// <returns>
/// true if the task runs successfully; otherwise, false.
/// </returns>
public override bool Execute() {
if (this.OutputPackageDirectory != null && Path.GetDirectoryName(this.OutputPackageDirectory.ItemSpec).Length > 0) {
Directory.CreateDirectory(Path.GetDirectoryName(this.OutputPackageDirectory.ItemSpec));
}
string fullPackagePath = this.DeriveFullPackagePath();
this.Log.LogMessage("Creating NuGet package '{0}'.", fullPackagePath);
bool result = base.Execute();
if (result) {
this.Log.LogMessage(MessageImportance.High, "Successfully created package '{0}'.", fullPackagePath);
}
return result;
}
/// <summary>
/// Returns a string value containing the command line arguments to pass directly to the executable file.
/// </summary>
/// <returns>
/// A string value containing the command line arguments to pass directly to the executable file.
/// </returns>
protected override string GenerateCommandLineCommands() {
var args = new CommandLineBuilder();
args.AppendSwitch("pack");
args.AppendFileNameIfNotNull(this.NuSpec);
args.AppendSwitchIfNotNull("-BasePath ", this.BaseDirectory);
args.AppendSwitchIfNotNull("-OutputDirectory ", this.OutputPackageDirectory);
return args.ToString();
}
/// <summary>
/// Derives the path to the generated .nupkg file.
/// </summary>
/// <returns>A relative path.</returns>
private string DeriveFullPackagePath() {
var spec = XDocument.Load(this.NuSpec.ItemSpec);
var metadata = spec.Element("package").Element("metadata");
string id = metadata.Element("id").Value;
string version = metadata.Element("version").Value;
string baseDirectory = this.OutputPackageDirectory != null ? this.OutputPackageDirectory.ItemSpec : String.Empty;
return Path.Combine(baseDirectory, String.Format("{0}.{1}.nupkg", id, version));
}
}
}
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