private static @NotNull @Nls String formatCommitHashAndAuthor(@NotNull VcsCommitMetadata commit) {
    return formatCommitHashAndAuthor(commit.getId(),
                                     commit.getAuthor(), commit.getAuthorTime(),
                                     commit.getCommitter(), commit.getCommitTime());
  }
private static @NotNull @Nls String formatCommitHashAndAuthor(@NotNull VcsCommitMetadata commit)