@Override
  public boolean isBaseRevisionChanged(@NotNull VcsRevisionNumber number) {
    if (!myFile.isInLocalFileSystem()) return false;
    final VcsRevisionNumber currentCurrentRevision = myVcs.getDiffProvider().getCurrentRevision(myFile);
    return myBaseRevision != null && !myBaseRevision.equals(currentCurrentRevision);
  }
@Override
  public boolean isBaseRevisionChanged(@NotNull VcsRevisionNumber number)