TDS Post-Deploy Step to generate anti-update rollback package - http://wp.me/p2SmN4-fh

TDS Post-Deploy Anti-Update Rollback Package.cs

using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Xml.Linq;
using HedgehogDevelopment.SitecoreProject.PackageInstallPostProcessor.Contracts;
using Sitecore.Diagnostics;

namespace ForwardSlash.TDS.PostDeploy
{
    [Description("Generate anti-update rollback package for latest deployment.")]
    public class GenerateRollback : IPostDeployAction
    {
        public void RunPostDeployAction(XDocument deployedItems, IPostDeployActionHost host, string parameter)
        {
            string tempFolder = Sitecore.Update.Utils.FileUtils.InstallationHistoryRoot;
            string historyFolder = Sitecore.MainUtil.MapPath(tempFolder);

            //get the latest update folder
            var latestFolder = new DirectoryInfo(historyFolder).GetDirectories()
                                            .OrderByDescending(d => d.LastWriteTimeUtc).First();

            Sitecore.Update.Engine.PackageGenerator.ConvertRollbackPackage(
                                    latestFolder.FullName + "\\rollbackPackage.rlb",
                                    latestFolder.FullName + "\\rollbackPackage.update");

            Log.Info("[TDS Post-Deploy] :: Generated rollback file for deployment to " + latestFolder.FullName, this);
        }
    }
}