public static Patch Compare(IBackupSource source, IBackupChain target)
{
Trace.WriteLine("Comparing source to destination", "Patch");
var result = new Patch(source, target);
var sourceFiles = source.EnumerateFiles ().ToArray ();
result.RemovedFiles = target.GetFiles().Where(file => sourceFiles.All(a => a.RelativePath.ToLower() != file.ToLower()));
result.AddedOrChangedFiles =
sourceFiles.Where(a => !target.GetFiles().Select(m => m.ToLower()).Contains(a.RelativePath.ToLower()) || target.GetFileSize(a.RelativePath) != a.GetFileSize() || !HashMatches(target, a)).AsParallel ().ToArray ();
return result;
}
public static void ApplyPatch(this IBackupPrototype prototype, Patch patch)
{
patch.ApplyPatch(prototype);
}