public static @NotNull String getCommitsRangeToRebase(@Nullable String baseBranch, @NotNull String rebasingBranch) {
    if (baseBranch == null) {
      return rebasingBranch;
    }
    return baseBranch + ".." + rebasingBranch;
  }
public static @NotNull String getCommitsRangeToRebase(@Nullable String baseBranch, @NotNull String rebasingBranch)