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);
}
