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[PATCH 5/5] cache-tree.c: use bug() and BUG_if_bug()

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
May 21, 2022, 17:14 UTC
Message-ID
<patch-5.5-bb5a53f3b73-20220521T170939Z-avarab@gmail.com>
In-Reply-To
<cover-0.5-00000000000-20220521T170939Z-avarab@gmail.com>

Change "BUG" output originally added in a97e4075a16 (Keep rename/rename conflicts of intermediate merges while doing recursive merge, 2007-03-31), and later made to say it was a "BUG" in 19c6a4f8369 (merge-recursive: do not return NULL only to cause segfault, 2010-01-21) to use the new bug() function.

This gets the same job done with less code, this changes the output a bit, but since we're emitting BUG output let's say it's OK to prefix every line with the "unmerged index entry" message, instead of optimizing for readability. doing it this way gets rid of any state management in the loop itself in favor of BUG_if_bug().

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 cache-tree.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/cache-tree.c b/cache-tree.c
index 6752f69d515..9e96097500d 100644
--- a/cache-tree.c
+++ b/cache-tree.c
@@ -692,14 +692,13 @@ struct tree* write_in_core_index_as_tree(struct repository *repo) {
 	ret = write_index_as_tree_internal(&o, index_state, was_valid, 0, NULL);
 	if (ret == WRITE_TREE_UNMERGED_INDEX) {
 		int i;
-		fprintf(stderr, "BUG: There are unmerged index entries:\n");
 		for (i = 0; i < index_state->cache_nr; i++) {
 			const struct cache_entry *ce = index_state->cache[i];
 			if (ce_stage(ce))
-				fprintf(stderr, "BUG: %d %.*s\n", ce_stage(ce),
-					(int)ce_namelen(ce), ce->name);
+				bug("unmerged index entry on in-memory index write: %d %.*s",
+				    ce_stage(ce), (int)ce_namelen(ce), ce->name);
 		}
-		BUG("unmerged index entries when writing inmemory index");
+		BUG_if_bug();
 	}
 
 	return lookup_tree(repo, &index_state->cache_tree->oid);
-- 
2.36.1.960.g7a4e2fc85c9
Previous: Andrei RybakNext: Glen Choo
Message 20 of 49 in “usage API: add and use a bug() + BUG_if_bug()”
  1. 0/5 usage API: add and use a bug() + BUG_if_bug()Ævar Arnfjörð Bjarmason, May 21, 2022
  2. 1/5 usage.c: add a non-fatal bug() function to go with BUG()Ævar Arnfjörð Bjarmason, May 21, 2022
  3. Junio C HamanoMay 25, 2022
  4. Junio C HamanoMay 26, 2022
  5. Ævar Arnfjörð BjarmasonMay 26, 2022
  6. Junio C HamanoMay 26, 2022
  7. Ævar Arnfjörð BjarmasonMay 26, 2022
  8. Junio C HamanoMay 26, 2022
  9. Ævar Arnfjörð BjarmasonMay 31, 2022
  10. Josh SteadmonMay 27, 2022
  11. Junio C HamanoMay 27, 2022
  12. 2/5 parse-options.c: use new bug() API for optbug()Ævar Arnfjörð Bjarmason, May 21, 2022
  13. Josh SteadmonMay 27, 2022
  14. 3/5 parse-options.c: use optbug() instead of BUG() "opts" checkÆvar Arnfjörð Bjarmason, May 21, 2022
  15. Junio C HamanoMay 25, 2022
  16. 4/5 receive-pack: use bug() and BUG_if_bug()Ævar Arnfjörð Bjarmason, May 21, 2022
  17. Junio C HamanoMay 25, 2022
  18. Josh SteadmonMay 27, 2022
  19. Andrei RybakMay 27, 2022
  20. 5/5 cache-tree.c: use bug() and BUG_if_bug()Ævar Arnfjörð Bjarmason, May 21, 2022
  21. Glen ChooMay 27, 2022
  22. Josh SteadmonMay 27, 2022
  23. 0/6 usage API: add and use a bug() + BUG_if_bug()Ævar Arnfjörð Bjarmason, May 31, 2022
  24. 1/6 common-main.o: move non-trace2 exit() behavior out of trace2.cÆvar Arnfjörð Bjarmason, May 31, 2022
  25. Junio C HamanoJun 1, 2022
  26. 2/6 usage.c: add a non-fatal bug() function to go with BUG()Ævar Arnfjörð Bjarmason, May 31, 2022
  27. Glen ChooMay 31, 2022
  28. Junio C HamanoJun 1, 2022
  29. 3/6 parse-options.c: use new bug() API for optbug()Ævar Arnfjörð Bjarmason, May 31, 2022
  30. 4/6 parse-options.c: use optbug() instead of BUG() "opts" checkÆvar Arnfjörð Bjarmason, May 31, 2022
  31. Josh SteadmonMay 31, 2022
  32. Junio C HamanoJun 1, 2022
  33. 5/6 receive-pack: use bug() and BUG_if_bug()Ævar Arnfjörð Bjarmason, May 31, 2022
  34. 6/6 cache-tree.c: use bug() and BUG_if_bug()Ævar Arnfjörð Bjarmason, May 31, 2022
  35. Junio C HamanoJun 1, 2022
  36. Josh SteadmonMay 31, 2022
  37. 0/6 usage API: add and use a bug() + BUG_if_bug()Ævar Arnfjörð Bjarmason, Jun 2, 2022
  38. 1/6 common-main.o: move non-trace2 exit() behavior out of trace2.cÆvar Arnfjörð Bjarmason, Jun 2, 2022
  39. Junio C HamanoJun 3, 2022
  40. Josh SteadmonJun 7, 2022
  41. Ævar Arnfjörð BjarmasonJun 7, 2022
  42. Josh SteadmonJun 7, 2022
  43. 3/6 parse-options.c: use new bug() API for optbug()Ævar Arnfjörð Bjarmason, Jun 2, 2022
  44. 2/6 usage.c: add a non-fatal bug() function to go with BUG()Ævar Arnfjörð Bjarmason, Jun 2, 2022
  45. 5/6 receive-pack: use bug() and BUG_if_bug()Ævar Arnfjörð Bjarmason, Jun 2, 2022
  46. 4/6 parse-options.c: use optbug() instead of BUG() "opts" checkÆvar Arnfjörð Bjarmason, Jun 2, 2022
  47. 6/6 cache-tree.c: use bug() and BUG_if_bug()Ævar Arnfjörð Bjarmason, Jun 2, 2022
  48. Junio C HamanoJun 2, 2022
  49. Glen ChooJun 2, 2022

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