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[PATCH v3 07/10] packfile: only prepare owning store in `packfile_store_prepare()`

From
Patrick Steinhardt <ps@pks.im>
Date
Jan 9, 2026, 08:33 UTC
Message-ID
<20260109-b4-pks-pack-store-via-source-v3-7-877fd7b7bf81@pks.im>
In-Reply-To
<20260109-b4-pks-pack-store-via-source-v3-0-877fd7b7bf81@pks.im>

When calling `packfile_store_prepare()` we prepare not only the provided packfile store, but also all those of all other sources part of the same object database. This was required when the store was still sitting on the object database level. But now that it sits on the source level it's not anymore.

Refactor the code so that we only prepare the single packfile store passed by the caller. Adapt callers accordingly.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 builtin/grep.c | 14 ++++++++------
 packfile.c     | 19 +++++--------------
 2 files changed, 13 insertions(+), 20 deletions(-)
diff --git a/builtin/grep.c b/builtin/grep.c
index 4855b871dd..5b8b87b1ac 100644
--- a/builtin/grep.c
+++ b/builtin/grep.c
@@ -1213,12 +1213,14 @@ int cmd_grep(int argc,
 		 */
 		if (recurse_submodules)
 			repo_read_gitmodules(the_repository, 1);
-		/*
-		 * Note: `packfile_store_prepare()` prepares stores from all
-		 * sources. This will be fixed in a subsequent commit.
-		 */
-		if (startup_info->have_repository)
-			packfile_store_prepare(the_repository->objects->sources->packfiles);
+
+		if (startup_info->have_repository) {
+			struct odb_source *source;
+
+			odb_prepare_alternates(the_repository->objects);
+			for (source = the_repository->objects->sources; source; source = source->next)
+				packfile_store_prepare(source->packfiles);
+		}
 
 		start_threads(&opt);
 	} else {
diff --git a/packfile.c b/packfile.c
index c46d53b75d..23d8f7cb93 100644
--- a/packfile.c
+++ b/packfile.c
@@ -1063,16 +1063,11 @@ static int sort_pack(const struct packfile_list_entry *a,
 
 void packfile_store_prepare(struct packfile_store *store)
 {
-	struct odb_source *source;
-
 	if (store->initialized)
 		return;
 
-	odb_prepare_alternates(store->source->odb);
-	for (source = store->source->odb->sources; source; source = source->next) {
-		prepare_multi_pack_index_one(source);
-		prepare_packed_git_one(source);
-	}
+	prepare_multi_pack_index_one(store->source);
+	prepare_packed_git_one(store->source);
 
 	sort_packs(&store->packs.head, sort_pack);
 	for (struct packfile_list_entry *e = store->packs.head; e; e = e->next)
@@ -2098,15 +2093,11 @@ static int find_pack_entry(struct repository *r,
 {
 	struct odb_source *source;
 
-	/*
-	 * Note: `packfile_store_prepare()` prepares stores from all sources.
-	 * This will be fixed in a subsequent commit.
-	 */
-	packfile_store_prepare(r->objects->sources->packfiles);
-
-	for (source = r->objects->sources; source; source = source->next)
+	for (source = r->objects->sources; source; source = source->next) {
+		packfile_store_prepare(r->objects->sources->packfiles);
 		if (source->midx && fill_midx_entry(source->midx, oid, e))
 			return 1;
+	}
 
 	for (source = r->objects->sources; source; source = source->next) {
 		struct packfile_list_entry *l;
-- 
2.52.0.542.g9473a8513b.dirty
Previous: Patrick SteinhardtNext: Patrick Steinhardt
Message 47 of 52 in “Start tracking packfiles per object database source”
  1. 00/10 Start tracking packfiles per object database sourcePatrick Steinhardt, Dec 15, 2025
  2. 01/10 packfile: create store via its owning sourcePatrick Steinhardt, Dec 15, 2025
  3. Justin ToblerDec 15, 2025
  4. Patrick SteinhardtDec 16, 2025
  5. 02/10 packfile: pass source to `prepare_pack()`Patrick Steinhardt, Dec 15, 2025
  6. Justin ToblerDec 15, 2025
  7. 03/10 packfile: refactor kept-pack cache to work with packfile storesPatrick Steinhardt, Dec 15, 2025
  8. Justin ToblerDec 15, 2025
  9. Patrick SteinhardtDec 16, 2025
  10. 04/10 packfile: refactor misleading code when unusing pack windowsPatrick Steinhardt, Dec 15, 2025
  11. 05/10 packfile: move packfile store into object sourcePatrick Steinhardt, Dec 15, 2025
  12. Justin ToblerDec 18, 2025
  13. Patrick SteinhardtDec 18, 2025
  14. 06/10 packfile: only prepare owning store in `packfile_store_get_packs()`Patrick Steinhardt, Dec 15, 2025
  15. Justin ToblerDec 18, 2025
  16. 07/10 packfile: only prepare owning store in `packfile_store_prepare()`Patrick Steinhardt, Dec 15, 2025
  17. 08/10 packfile: inline `find_kept_pack_entry()`Patrick Steinhardt, Dec 15, 2025
  18. Justin ToblerDec 18, 2025
  19. Patrick SteinhardtDec 18, 2025
  20. 09/10 packfile: refactor `find_pack_entry()` to work on the packfile storePatrick Steinhardt, Dec 15, 2025
  21. 10/10 packfile: move MIDX into packfile storePatrick Steinhardt, Dec 15, 2025
  22. 00/10 Start tracking packfiles per object database sourcePatrick Steinhardt, Dec 18, 2025
  23. 01/10 packfile: create store via its owning sourcePatrick Steinhardt, Dec 18, 2025
  24. 02/10 packfile: pass source to `prepare_pack()`Patrick Steinhardt, Dec 18, 2025
  25. 03/10 packfile: refactor kept-pack cache to work with packfile storesPatrick Steinhardt, Dec 18, 2025
  26. Toon ClaesJan 6, 2026
  27. 04/10 packfile: refactor misleading code when unusing pack windowsPatrick Steinhardt, Dec 18, 2025
  28. Toon ClaesJan 7, 2026
  29. 05/10 packfile: move packfile store into object sourcePatrick Steinhardt, Dec 18, 2025
  30. Toon ClaesJan 7, 2026
  31. 06/10 packfile: only prepare owning store in `packfile_store_get_packs()`Patrick Steinhardt, Dec 18, 2025
  32. 07/10 packfile: only prepare owning store in `packfile_store_prepare()`Patrick Steinhardt, Dec 18, 2025
  33. Toon ClaesJan 7, 2026
  34. 08/10 packfile: inline `find_kept_pack_entry()`Patrick Steinhardt, Dec 18, 2025
  35. Kristoffer HaugsbakkJan 8, 2026
  36. Patrick SteinhardtJan 9, 2026
  37. 09/10 packfile: refactor `find_pack_entry()` to work on the packfile storePatrick Steinhardt, Dec 18, 2025
  38. 10/10 packfile: move MIDX into packfile storePatrick Steinhardt, Dec 18, 2025
  39. 00/10 Start tracking packfiles per object database sourcePatrick Steinhardt, Jan 9, 2026
  40. 01/10 packfile: create store via its owning sourcePatrick Steinhardt, Jan 9, 2026
  41. 02/10 packfile: pass source to `prepare_pack()`Patrick Steinhardt, Jan 9, 2026
  42. 03/10 packfile: refactor kept-pack cache to work with packfile storesPatrick Steinhardt, Jan 9, 2026
  43. 04/10 packfile: refactor misleading code when unusing pack windowsPatrick Steinhardt, Jan 9, 2026
  44. Karthik NayakJan 12, 2026
  45. 05/10 packfile: move packfile store into object sourcePatrick Steinhardt, Jan 9, 2026
  46. 06/10 packfile: only prepare owning store in `packfile_store_get_packs()`Patrick Steinhardt, Jan 9, 2026
  47. 07/10 packfile: only prepare owning store in `packfile_store_prepare()`Patrick Steinhardt, Jan 9, 2026
  48. 08/10 packfile: inline `find_kept_pack_entry()`Patrick Steinhardt, Jan 9, 2026
  49. 09/10 packfile: refactor `find_pack_entry()` to work on the packfile storePatrick Steinhardt, Jan 9, 2026
  50. 10/10 packfile: move MIDX into packfile storePatrick Steinhardt, Jan 9, 2026
  51. Junio C HamanoJan 11, 2026
  52. Justin ToblerJan 12, 2026

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