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Re: [PATCH 4/9] run-command: add support for timeout in command finisher

From
Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Date
May 21, 2026, 08:39 UTC
Message-ID
<ag7EtmUk3UCpBU4Y@ugly.lan>
In-Reply-To
<b69605a6-e841-47b9-a899-a57e184d3c8b@kdbg.org>
On Thu, May 21, 2026 at 09:21:51AM +0200, Johannes Sixt wrote:
>Please, do not add this infrastructure to core Git, and instead fix the
>communication protocol.
>

there is nothing to fix here. proper error handling including timeout handling should just be part of every protocol handler, and in the case of child processes, forcible termination is part of that.

one can ignore the issue, in which case termination is left to the user by ctrl-c'ing the whole process group. this isn't very user-friendly, because it doesn't report the problem, and it may leave hung processes behind. it is also extremely bad if keeping the parent process alive is a lot more important than the child process, but this doesn't appear to apply to the particular use case.

adding a proxy doesn't fix the problem, it just adds another point of failure.

Previous: Johannes SixtNext: Siddh Raman Pant
Message 9 of 29 in “Add support for an external command for fetching notes”
  1. 0/9 Add support for an external command for fetching notesSiddh Raman Pant, May 19, 2026
  2. 1/9 Documentation/git-range-diff: add missing notes options in synopsisSiddh Raman Pant, May 19, 2026
  3. Junio C HamanoMay 19, 2026
  4. Siddh Raman PantMay 20, 2026
  5. Junio C HamanoMay 21, 2026
  6. Siddh Raman PantMay 21, 2026
  7. 4/9 run-command: add support for timeout in command finisherSiddh Raman Pant, May 19, 2026
  8. Johannes SixtMay 21, 2026
  9. Oswald BuddenhagenMay 21, 2026
  10. Siddh Raman PantMay 21, 2026
  11. Johannes SixtMay 21, 2026
  12. Junio C HamanoMay 22, 2026
  13. Siddh Raman PantMay 22, 2026
  14. Jeff KingMay 22, 2026
  15. Siddh Raman PantMay 22, 2026
  16. 5/9 wrapper: add support for timeout and deadline in read helpersSiddh Raman Pant, May 19, 2026
  17. 6/9 t3301: cover generic displayed notes behaviorSiddh Raman Pant, May 19, 2026
  18. 7/9 notes: support an external command to display notesSiddh Raman Pant, May 19, 2026
  19. Junio C HamanoMay 20, 2026
  20. Siddh Raman PantMay 20, 2026
  21. brian m. carlsonMay 21, 2026
  22. Siddh Raman PantMay 21, 2026
  23. brian m. carlsonMay 21, 2026
  24. 2/9 notes: convert raw arg in format_display_notes() to boolSiddh Raman Pant, May 19, 2026
  25. 3/9 wrapper: add sleep_nanosecSiddh Raman Pant, May 19, 2026
  26. Junio C HamanoMay 19, 2026
  27. Siddh Raman PantMay 20, 2026
  28. 8/9 Documentation: document external notes command optionsSiddh Raman Pant, May 19, 2026
  29. 9/9 t: add tests for external notes commandSiddh Raman Pant, May 19, 2026

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