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Re: [PATCH v4 00/10] builtin/maintenance: introduce "geometric" strategy

From
Junio C Hamano <gitster@pobox.com>
Date
Oct 27, 2025, 15:53 UTC
Message-ID
<xmqqtszkjq8d.fsf@gitster.g>
In-Reply-To
<20251027-pks-maintenance-geometric-strategy-v4-0-18049e4a0adf@pks.im>
Patrick Steinhardt <ps@pks.im> writes:
Show 5 quoted lines
> Changes in v4:
>   - Fix a flaky test because git-repack(1) always decides to rewrite the
>     MIDX, even though no packs have changed. This isn't a new issue, and
>     other maintenance tasks behave the same. So I decided to punt on it
>     for now.

Thanks, but this round raced against 'next', so let me fabricate the following and queue it instead.

------- >8 -------
From: Patrick Steinhardt <ps@pks.im>
Date: Mon, 27 Oct 2025 09:30:50 +0100
Subject: [PATCH] t7900: fix a flaky test due to git-repack always regenerating .midx

When a supposedly no-op "git repack" runs across a second boundary, because the command always touches the MIDX file and updates its timestamp, "ls -l $GIT_DIR/objects/pack/" before and after the operation can change, which causes such a test to fail. Only compare the *.pack files in the directory before and after the operation to work around this flakyness.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
[jc: taken from diff to v4 from v3 that was already merged to 'next']
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 t/t7900-maintenance.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/t/t7900-maintenance.sh b/t/t7900-maintenance.sh
index 0d76693fee..614184a097 100755
--- a/t/t7900-maintenance.sh
+++ b/t/t7900-maintenance.sh
@@ -500,9 +500,9 @@ test_expect_success 'geometric repacking task' '
 
 		# Repacking should now cause a no-op geometric repack because
 		# no packfiles need to be combined.
-		ls -l .git/objects/pack >before &&
+		ls -l .git/objects/pack/*.pack >before &&
 		run_and_verify_geometric_pack 1 &&
-		ls -l .git/objects/pack >after &&
+		ls -l .git/objects/pack/*.pack >after &&
 		test_cmp before after &&
 
 		# This incremental change creates a new packfile that only
-- 
2.51.2-678-g0cd646409c
Previous: Patrick SteinhardtNext: Patrick Steinhardt
Message 67 of 69 in “builtin/maintenance: introduce "geometric" strategy”
  1. 0/8 builtin/maintenance: introduce "geometric" strategyPatrick Steinhardt, Oct 16, 2025
  2. 1/8 builtin/gc: remove global `repack` variablePatrick Steinhardt, Oct 16, 2025
  3. Justin ToblerOct 16, 2025
  4. Taylor BlauOct 17, 2025
  5. 2/8 builtin/gc: make `too_many_loose_objects()` reusable without GC configPatrick Steinhardt, Oct 16, 2025
  6. Junio C HamanoOct 16, 2025
  7. 3/8 builtin/maintenance: introduce "geometric-repack" taskPatrick Steinhardt, Oct 16, 2025
  8. Justin ToblerOct 16, 2025
  9. Patrick SteinhardtOct 17, 2025
  10. Taylor BlauOct 17, 2025
  11. Patrick SteinhardtOct 21, 2025
  12. Taylor BlauOct 23, 2025
  13. Patrick SteinhardtOct 24, 2025
  14. 4/8 builtin/maintenance: don't silently ignore invalid strategyPatrick Steinhardt, Oct 16, 2025
  15. 5/8 builtin/maintenance: run maintenance tasks depending on typePatrick Steinhardt, Oct 16, 2025
  16. 6/8 builtin/maintenance: extend "maintenance.strategy" to manual maintenancePatrick Steinhardt, Oct 16, 2025
  17. 7/8 builtin/maintenance: make "gc" strategy accessiblePatrick Steinhardt, Oct 16, 2025
  18. 8/8 builtin/maintenance: introduce "geometric" strategyPatrick Steinhardt, Oct 16, 2025
  19. 0/9 builtin/maintenance: introduce "geometric" strategyPatrick Steinhardt, Oct 21, 2025
  20. 1/9 builtin/gc: remove global `repack` variablePatrick Steinhardt, Oct 21, 2025
  21. 2/9 builtin/gc: make `too_many_loose_objects()` reusable without GC configPatrick Steinhardt, Oct 21, 2025
  22. 3/9 builtin/maintenance: introduce "geometric-repack" taskPatrick Steinhardt, Oct 21, 2025
  23. Taylor BlauOct 23, 2025
  24. Patrick SteinhardtOct 24, 2025
  25. 4/9 builtin/maintenance: make the geometric factor configurablePatrick Steinhardt, Oct 21, 2025
  26. Taylor BlauOct 23, 2025
  27. Patrick SteinhardtOct 24, 2025
  28. Taylor BlauOct 24, 2025
  29. 5/9 builtin/maintenance: don't silently ignore invalid strategyPatrick Steinhardt, Oct 21, 2025
  30. Taylor BlauOct 23, 2025
  31. 6/9 builtin/maintenance: run maintenance tasks depending on typePatrick Steinhardt, Oct 21, 2025
  32. Taylor BlauOct 23, 2025
  33. 7/9 builtin/maintenance: extend "maintenance.strategy" to manual maintenancePatrick Steinhardt, Oct 21, 2025
  34. 8/9 builtin/maintenance: make "gc" strategy accessiblePatrick Steinhardt, Oct 21, 2025
  35. 9/9 builtin/maintenance: introduce "geometric" strategyPatrick Steinhardt, Oct 21, 2025
  36. Taylor BlauOct 23, 2025
  37. Patrick SteinhardtOct 24, 2025
  38. Junio C HamanoOct 23, 2025
  39. Taylor BlauOct 23, 2025
  40. 00/10 builtin/maintenance: introduce "geometric" strategyPatrick Steinhardt, Oct 24, 2025
  41. 01/10 builtin/gc: remove global `repack` variablePatrick Steinhardt, Oct 24, 2025
  42. 02/10 builtin/gc: make `too_many_loose_objects()` reusable without GC configPatrick Steinhardt, Oct 24, 2025
  43. 03/10 builtin/maintenance: introduce "geometric-repack" taskPatrick Steinhardt, Oct 24, 2025
  44. Jeff KingOct 25, 2025
  45. Patrick SteinhardtOct 27, 2025
  46. Jeff KingOct 27, 2025
  47. 04/10 builtin/maintenance: make the geometric factor configurablePatrick Steinhardt, Oct 24, 2025
  48. 05/10 builtin/maintenance: don't silently ignore invalid strategyPatrick Steinhardt, Oct 24, 2025
  49. 06/10 builtin/maintenance: improve readability of strategiesPatrick Steinhardt, Oct 24, 2025
  50. 07/10 builtin/maintenance: run maintenance tasks depending on typePatrick Steinhardt, Oct 24, 2025
  51. 08/10 builtin/maintenance: extend "maintenance.strategy" to manual maintenancePatrick Steinhardt, Oct 24, 2025
  52. 09/10 builtin/maintenance: make "gc" strategy accessiblePatrick Steinhardt, Oct 24, 2025
  53. 10/10 builtin/maintenance: introduce "geometric" strategyPatrick Steinhardt, Oct 24, 2025
  54. Taylor BlauOct 24, 2025
  55. Junio C HamanoOct 24, 2025
  56. 00/10 builtin/maintenance: introduce "geometric" strategyPatrick Steinhardt, Oct 27, 2025
  57. 01/10 builtin/gc: remove global `repack` variablePatrick Steinhardt, Oct 27, 2025
  58. 02/10 builtin/gc: make `too_many_loose_objects()` reusable without GC configPatrick Steinhardt, Oct 27, 2025
  59. 03/10 builtin/maintenance: introduce "geometric-repack" taskPatrick Steinhardt, Oct 27, 2025
  60. 04/10 builtin/maintenance: make the geometric factor configurablePatrick Steinhardt, Oct 27, 2025
  61. 05/10 builtin/maintenance: don't silently ignore invalid strategyPatrick Steinhardt, Oct 27, 2025
  62. 06/10 builtin/maintenance: improve readability of strategiesPatrick Steinhardt, Oct 27, 2025
  63. 07/10 builtin/maintenance: run maintenance tasks depending on typePatrick Steinhardt, Oct 27, 2025
  64. 08/10 builtin/maintenance: extend "maintenance.strategy" to manual maintenancePatrick Steinhardt, Oct 27, 2025
  65. 09/10 builtin/maintenance: make "gc" strategy accessiblePatrick Steinhardt, Oct 27, 2025
  66. 10/10 builtin/maintenance: introduce "geometric" strategyPatrick Steinhardt, Oct 27, 2025
  67. Junio C HamanoOct 27, 2025
  68. Patrick SteinhardtOct 27, 2025
  69. Junio C HamanoOct 27, 2025

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