@Nullable
  private static Url realTargetUrl(@NotNull SvnVcs vcs, @NotNull WorkingCopyInfo info, @NotNull Url targetBranchUrl) {
    Info svnInfo = vcs.getInfo(info.getLocalPath());
    Url url = svnInfo != null ? svnInfo.getUrl() : null;

    return url != null && isAncestor(targetBranchUrl, url) ? url : null;
  }
@Nullable
  private static Url realTargetUrl(@NotNull SvnVcs vcs, @NotNull WorkingCopyInfo info, @NotNull Url targetBranchUrl)