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[PATCH 05/11] ref_transaction_delete(): remove "have_old" parameter

From
Michael Haggerty <mhagger@alum.mit.edu>
Date
Feb 8, 2015, 16:13 UTC
Message-ID
<1423412045-15616-6-git-send-email-mhagger@alum.mit.edu>
In-Reply-To
<1423412045-15616-1-git-send-email-mhagger@alum.mit.edu>
Instead, if old_sha1 is non-NULL, verify it; otherwise, don't.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
 builtin/receive-pack.c |  3 +--
 builtin/update-ref.c   |  5 +++--
 refs.c                 | 11 ++++++-----
 refs.h                 |  6 +++---
 4 files changed, 13 insertions(+), 12 deletions(-)
diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index 71be82e..b08806d 100644
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -933,8 +933,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
 		if (ref_transaction_delete(transaction,
 					   namespaced_name,
 					   old_sha1,
-					   0, old_sha1 != NULL,
-					   "push", &err)) {
+					   0, "push", &err)) {
 			rp_error("%s", err.buf);
 			strbuf_release(&err);
 			return "failed to delete";
diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index f0db7a3..76b8aef 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c
@@ -265,8 +265,9 @@ static const char *parse_cmd_delete(struct ref_transaction *transaction,
 	if (*next != line_termination)
 		die("delete %s: extra input: %s", refname, next);
 
-	if (ref_transaction_delete(transaction, refname, old_sha1,
-				   update_flags, have_old, msg, &err))
+	if (ref_transaction_delete(transaction, refname,
+				   have_old ? old_sha1 : NULL,
+				   update_flags, msg, &err))
 		die("%s", err.buf);
 
 	update_flags = 0;
diff --git a/refs.c b/refs.c
index 6beafcf..6bd6581 100644
--- a/refs.c
+++ b/refs.c
@@ -2577,7 +2577,7 @@ static void prune_ref(struct ref_to_prune *r)
 	transaction = ref_transaction_begin(&err);
 	if (!transaction ||
 	    ref_transaction_delete(transaction, r->name, r->sha1,
-				   REF_ISPRUNING, 1, NULL, &err) ||
+				   REF_ISPRUNING, NULL, &err) ||
 	    ref_transaction_commit(transaction, &err)) {
 		ref_transaction_free(transaction);
 		error("%s", err.buf);
@@ -2754,8 +2754,9 @@ int delete_ref(const char *refname, const unsigned char *sha1, int delopt)
 
 	transaction = ref_transaction_begin(&err);
 	if (!transaction ||
-	    ref_transaction_delete(transaction, refname, sha1, delopt,
-				   sha1 && !is_null_sha1(sha1), NULL, &err) ||
+	    ref_transaction_delete(transaction, refname,
+				   (sha1 && !is_null_sha1(sha1)) ? sha1 : NULL,
+				   delopt, NULL, &err) ||
 	    ref_transaction_commit(transaction, &err)) {
 		error("%s", err.buf);
 		ref_transaction_free(transaction);
@@ -3697,11 +3698,11 @@ int ref_transaction_create(struct ref_transaction *transaction,
 int ref_transaction_delete(struct ref_transaction *transaction,
 			   const char *refname,
 			   const unsigned char *old_sha1,
-			   int flags, int have_old, const char *msg,
+			   int flags, const char *msg,
 			   struct strbuf *err)
 {
 	return ref_transaction_update(transaction, refname,
-				      null_sha1, have_old ? old_sha1 : NULL,
+				      null_sha1, old_sha1,
 				      flags, msg, err);
 }
 
diff --git a/refs.h b/refs.h
index f05ac89..ee612da 100644
--- a/refs.h
+++ b/refs.h
@@ -295,8 +295,8 @@ int ref_transaction_create(struct ref_transaction *transaction,
 			   struct strbuf *err);
 
 /*
- * Add a reference deletion to transaction.  If have_old is true, then
- * old_sha1 holds the value that the reference should have had before
+ * Add a reference deletion to transaction.  If old_sha1 is non-NULL, then
+ * it holds the value that the reference should have had before
  * the update (which must not be the null SHA-1).
  * Function returns 0 on success and non-zero on failure. A failure to delete
  * means that the transaction as a whole has failed and will need to be
@@ -305,7 +305,7 @@ int ref_transaction_create(struct ref_transaction *transaction,
 int ref_transaction_delete(struct ref_transaction *transaction,
 			   const char *refname,
 			   const unsigned char *old_sha1,
-			   int flags, int have_old, const char *msg,
+			   int flags, const char *msg,
 			   struct strbuf *err);
 
 /*
-- 
2.1.4
Previous: Michael HaggertyNext: Stefan Beller
Message 10 of 35 in “Allow reference values to be checked in a transaction”
  1. 00/11 Allow reference values to be checked in a transactionMichael Haggerty, Feb 8, 2015
  2. 01/11 refs: move REF_DELETING to refs.cMichael Haggerty, Feb 8, 2015
  3. Stefan BellerFeb 9, 2015
  4. 02/11 refs: remove the gap in the REF_* constant valuesMichael Haggerty, Feb 8, 2015
  5. Stefan BellerFeb 9, 2015
  6. 03/11 struct ref_update: move "have_old" into "flags"Michael Haggerty, Feb 8, 2015
  7. 04/11 ref_transaction_update(): remove "have_old" parameterMichael Haggerty, Feb 8, 2015
  8. Stefan BellerFeb 9, 2015
  9. Michael HaggertyFeb 11, 2015
  10. 05/11 ref_transaction_delete(): remove "have_old" parameterMichael Haggerty, Feb 8, 2015
  11. Stefan BellerFeb 9, 2015
  12. 06/11 commit: add tests of commit racesMichael Haggerty, Feb 8, 2015
  13. Stefan BellerFeb 9, 2015
  14. Junio C HamanoFeb 10, 2015
  15. Michael HaggertyFeb 11, 2015
  16. Junio C HamanoFeb 11, 2015
  17. Stefan BellerFeb 11, 2015
  18. Junio C HamanoFeb 11, 2015
  19. 07/11 commit: avoid race when creating orphan commitsMichael Haggerty, Feb 8, 2015
  20. Stefan BellerFeb 9, 2015
  21. Michael HaggertyFeb 11, 2015
  22. 08/11 ref_transaction_create(): check that new_sha1 is validMichael Haggerty, Feb 8, 2015
  23. Stefan BellerFeb 9, 2015
  24. 09/11 ref_transaction_delete(): check that old_sha1 is not null_sha1Michael Haggerty, Feb 8, 2015
  25. Stefan BellerFeb 9, 2015
  26. 10/11 ref_transaction_verify(): new function to check a reference's valueMichael Haggerty, Feb 8, 2015
  27. Stefan BellerFeb 9, 2015
  28. Michael HaggertyFeb 11, 2015
  29. 11/11 update_ref(): improve documentationMichael Haggerty, Feb 8, 2015
  30. Stefan BellerFeb 9, 2015
  31. Junio C HamanoFeb 9, 2015
  32. Stefan BellerFeb 9, 2015
  33. Michael HaggertyFeb 9, 2015
  34. Stefan BellerFeb 9, 2015
  35. Junio C HamanoFeb 9, 2015

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