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[PATCH v3 01/10] builtin/fsck: use `fsck_obj_buffer()` when checking loose objects

From
Patrick Steinhardt <ps@pks.im>
Date
Sep 11, 2026, 13:27 UTC
Message-ID
<20260911-pks-odb-source-fsck-v3-1-ef2fdc085e38@pks.im>
In-Reply-To
<20260911-pks-odb-source-fsck-v3-0-ef2fdc085e38@pks.im>

When checking loose objects we manually parse the object buffer we have read from the on-disk file, mark the object and then call `fsck_obj()`. The exact same steps are also performed by `fsck_obj_buffer()`.

Stop open-coding this logic and call `fsck_obj_buffer()` instead.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 builtin/fsck.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)
diff --git a/builtin/fsck.c b/builtin/fsck.c
index 892c5661d9..3c4127f4d8 100644
--- a/builtin/fsck.c
+++ b/builtin/fsck.c
@@ -722,7 +722,6 @@ static int fsck_loose(const struct object_id *oid, const char *path,
 		      void *cb_data)
 {
 	struct for_each_loose_cb *data = cb_data;
-	struct object *obj;
 	enum object_type type = OBJ_NONE;
 	size_t size;
 	void *contents = NULL;
@@ -751,21 +750,7 @@ static int fsck_loose(const struct object_id *oid, const char *path,
 	if (!contents && type != OBJ_BLOB)
 		BUG("read_loose_object streamed a non-blob");
 
-	obj = parse_object_buffer(data->repo, oid, type, size,
-				  contents, &eaten);
-
-	if (!obj) {
-		errors_found |= ERROR_OBJECT;
-		error(_("%s: object could not be parsed: %s"),
-		      oid_to_hex(oid), path);
-		if (!eaten)
-			free(contents);
-		return 0; /* keep checking other objects */
-	}
-
-	obj->flags &= ~(REACHABLE | SEEN);
-	obj->flags |= HAS_OBJ;
-	if (fsck_obj(data->repo, obj, contents, size))
+	if (fsck_obj_buffer(oid, type, size, contents, &eaten, data->repo))
 		errors_found |= ERROR_OBJECT;
 
 	if (!eaten)
-- 
2.55.0.1074.ge7621b4bad.dirty
Previous: Patrick SteinhardtNext: Patrick Steinhardt
Message 45 of 54 in “odb: make consistency checks pluggable”
  1. 00/10 odb: make consistency checks pluggablePatrick Steinhardt, Aug 25, 2026
  2. 01/10 builtin/fsck: use `fsck_obj_buffer()` when checking loose objectsPatrick Steinhardt, Aug 25, 2026
  3. Karthik NayakAug 27, 2026
  4. Patrick SteinhardtAug 31, 2026
  5. 02/10 builtin/fsck: merge `fsck_obj_buffer()` and `fsck_obj()`Patrick Steinhardt, Aug 25, 2026
  6. Karthik NayakAug 27, 2026
  7. Patrick SteinhardtAug 31, 2026
  8. 03/10 builtin/fsck: de-globalize option handlingPatrick Steinhardt, Aug 25, 2026
  9. Karthik NayakAug 27, 2026
  10. 04/10 builtin/fsck: don't check alternates with "--no-full"Patrick Steinhardt, Aug 25, 2026
  11. Karthik NayakAug 27, 2026
  12. Patrick SteinhardtAug 31, 2026
  13. 05/10 odb: provide infrastructure for pluggable fsck checksPatrick Steinhardt, Aug 25, 2026
  14. Karthik NayakAug 27, 2026
  15. Patrick SteinhardtAug 31, 2026
  16. 06/10 builtin/fsck: move packfile verification into the packed sourcePatrick Steinhardt, Aug 25, 2026
  17. 07/10 builtin/fsck: move reverse index verification into the packed sourcePatrick Steinhardt, Aug 25, 2026
  18. 08/10 builtin/fsck: move bitmap verification into the packed sourcePatrick Steinhardt, Aug 25, 2026
  19. Karthik NayakAug 27, 2026
  20. Patrick SteinhardtAug 31, 2026
  21. Karthik NayakAug 31, 2026
  22. 09/10 builtin/fsck: move multi-pack index verification into the packed sourcePatrick Steinhardt, Aug 25, 2026
  23. 10/10 builtin/fsck: move loose object verification into the loose sourcePatrick Steinhardt, Aug 25, 2026
  24. Karthik NayakAug 27, 2026
  25. 00/10 odb: make consistency checks pluggablePatrick Steinhardt, Aug 31, 2026
  26. 01/10 builtin/fsck: use `fsck_obj_buffer()` when checking loose objectsPatrick Steinhardt, Aug 31, 2026
  27. 02/10 builtin/fsck: merge `fsck_obj_buffer()` and `fsck_obj()`Patrick Steinhardt, Aug 31, 2026
  28. 03/10 builtin/fsck: de-globalize option handlingPatrick Steinhardt, Aug 31, 2026
  29. 04/10 builtin/fsck: don't check alternates with "--no-full"Patrick Steinhardt, Aug 31, 2026
  30. 05/10 odb: provide infrastructure for pluggable fsck checksPatrick Steinhardt, Aug 31, 2026
  31. Toon ClaesSep 11, 2026
  32. Patrick SteinhardtSep 11, 2026
  33. 06/10 builtin/fsck: move packfile verification into the packed sourcePatrick Steinhardt, Aug 31, 2026
  34. 07/10 builtin/fsck: move reverse index verification into the packed sourcePatrick Steinhardt, Aug 31, 2026
  35. Toon ClaesSep 11, 2026
  36. 08/10 builtin/fsck: move bitmap verification into the packed sourcePatrick Steinhardt, Aug 31, 2026
  37. 09/10 builtin/fsck: move multi-pack index verification into the packed sourcePatrick Steinhardt, Aug 31, 2026
  38. Toon ClaesSep 11, 2026
  39. Patrick SteinhardtSep 11, 2026
  40. 10/10 builtin/fsck: move loose object verification into the loose sourcePatrick Steinhardt, Aug 31, 2026
  41. Toon ClaesSep 11, 2026
  42. Patrick SteinhardtSep 11, 2026
  43. Karthik NayakAug 31, 2026
  44. 00/10 odb: make consistency checks pluggablePatrick Steinhardt, Sep 11, 2026
  45. 01/10 builtin/fsck: use `fsck_obj_buffer()` when checking loose objectsPatrick Steinhardt, Sep 11, 2026
  46. 02/10 builtin/fsck: merge `fsck_obj_buffer()` and `fsck_obj()`Patrick Steinhardt, Sep 11, 2026
  47. 03/10 builtin/fsck: de-globalize option handlingPatrick Steinhardt, Sep 11, 2026
  48. 04/10 builtin/fsck: don't check alternates with "--no-full"Patrick Steinhardt, Sep 11, 2026
  49. 05/10 odb: provide infrastructure for pluggable fsck checksPatrick Steinhardt, Sep 11, 2026
  50. 06/10 builtin/fsck: move packfile verification into the packed sourcePatrick Steinhardt, Sep 11, 2026
  51. 07/10 builtin/fsck: move reverse index verification into the packed sourcePatrick Steinhardt, Sep 11, 2026
  52. 08/10 builtin/fsck: move bitmap verification into the packed sourcePatrick Steinhardt, Sep 11, 2026
  53. 09/10 builtin/fsck: move multi-pack index verification into the packed sourcePatrick Steinhardt, Sep 11, 2026
  54. 10/10 builtin/fsck: move loose object verification into the loose sourcePatrick Steinhardt, Sep 11, 2026

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