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[PATCH v2 08/12] ref_transaction_create(): check that new_sha1 is valid

From
Michael Haggerty <mhagger@alum.mit.edu>
Date
Feb 12, 2015, 11:12 UTC
Message-ID
<1423739543-1025-9-git-send-email-mhagger@alum.mit.edu>
In-Reply-To
<1423739543-1025-1-git-send-email-mhagger@alum.mit.edu>

Creating a reference requires a new_sha1 that is not NULL and not null_sha1.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
---
 refs.c | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/refs.c b/refs.c
index ddb8bca..3f78fac 100644
--- a/refs.c
+++ b/refs.c
@@ -3690,6 +3690,8 @@ int ref_transaction_create(struct ref_transaction *transaction,
 			   int flags, const char *msg,
 			   struct strbuf *err)
 {
+	if (!new_sha1 || is_null_sha1(new_sha1))
+		die("BUG: create called without valid new_sha1");
 	return ref_transaction_update(transaction, refname, new_sha1,
 				      null_sha1, flags, msg, err);
 }
-- 
2.1.4
Previous: Junio C HamanoNext: Michael Haggerty
Message 21 of 27 in “Allow reference values to be checked in a transaction”
  1. 00/12 Allow reference values to be checked in a transactionMichael Haggerty, Feb 12, 2015
  2. 01/12 refs: move REF_DELETING to refs.cMichael Haggerty, Feb 12, 2015
  3. 02/12 refs: remove the gap in the REF_* constant valuesMichael Haggerty, Feb 12, 2015
  4. 03/12 struct ref_update: move "have_old" into "flags"Michael Haggerty, Feb 12, 2015
  5. Stefan BellerFeb 12, 2015
  6. Junio C HamanoFeb 12, 2015
  7. Michael HaggertyFeb 17, 2015
  8. Junio C HamanoFeb 17, 2015
  9. 04/12 ref_transaction_update(): remove "have_old" parameterMichael Haggerty, Feb 12, 2015
  10. Junio C HamanoFeb 12, 2015
  11. Michael HaggertyFeb 13, 2015
  12. Junio C HamanoFeb 13, 2015
  13. 05/12 ref_transaction_delete(): remove "have_old" parameterMichael Haggerty, Feb 12, 2015
  14. 06/12 commit: add tests of commit racesMichael Haggerty, Feb 12, 2015
  15. Stefan BellerFeb 12, 2015
  16. Michael HaggertyFeb 17, 2015
  17. Junio C HamanoFeb 12, 2015
  18. Michael HaggertyFeb 17, 2015
  19. 07/12 commit: avoid race when creating orphan commitsMichael Haggerty, Feb 12, 2015
  20. Junio C HamanoFeb 12, 2015
  21. 08/12 ref_transaction_create(): check that new_sha1 is validMichael Haggerty, Feb 12, 2015
  22. 09/12 ref_transaction_delete(): check that old_sha1 is not null_sha1Michael Haggerty, Feb 12, 2015
  23. 10/12 ref_transaction_verify(): new function to check a reference's valueMichael Haggerty, Feb 12, 2015
  24. Stefan BellerFeb 12, 2015
  25. 11/12 update_ref(): improve documentationMichael Haggerty, Feb 12, 2015
  26. 12/12 refs.h: Remove duplication in function docstringsMichael Haggerty, Feb 12, 2015
  27. Junio C HamanoFeb 12, 2015

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