[InterNetNews/inn] ae4f21: pullnews: Retrieve overview data by chunks

[Julien ÉLIE]

  Branch: refs/heads/2.7
  Home:   https://github.com/InterNetNews/inn
  Commit: ae4f21e73d4202f5dee7a0f6786134625ec77abb
      https://github.com/InterNetNews/inn/commit/ae4f21e73d4202f5dee7a0f6786134625ec77abb
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2023-03-20 (Mon, 20 Mar 2023)

  Changed paths:
    M frontends/pullnews.in

  Log Message:
  -----------
  pullnews: Retrieve overview data by chunks

When -L is used, do not download all overview data at the beginning
(it may take a long time for a newsgroup will millions of articles),
but instead do it by chunks, aligned with the progress width.