protected virtual DiffInfo LoadFromPackage(string path) { IProcessingContext context = new SimpleProcessingContext(); CommandInstallerContext.Setup(context, Path.GetFileNameWithoutExtension(path), UpgradeAction.Preview, Sitecore.Update.Utils.InstallMode.Install, null, new List <ContingencyEntry>()); ISource <PackageEntry> source = new PackageReader(path); ISink <PackageEntry> installer = DoCreateInstallerSink(context); var sorter = new PackageDumper(source); sorter.Initialize(context); sorter.Populate(installer); installer.Flush(); var commands = new List <ICommand>(sorter.Commands); var engine = new DataEngine { FilterCommands = false, OptimizeCommands = false }; engine.ProcessCommands(ref commands); var info = new DiffInfo(commands, string.Empty, string.Empty, "Generated by ConvertFromPackage command."); MetadataView view = UpdateHelper.LoadMetadata(path); if (view != null) { info.Readme = view.Readme; info.InstallMode = view.Comment; info.Title = view.PackageName; } ; return(info); }