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[PATCH v2 06/13] tag.c: use ref transactions when doing updates

From
Ronnie Sahlberg <sahlberg@google.com>
Date
Apr 21, 2014, 22:53 UTC
Message-ID
<1398120811-20284-7-git-send-email-sahlberg@google.com>
In-Reply-To
<1398120811-20284-1-git-send-email-sahlberg@google.com>
Change tag.c to use ref transactions for all ref updates.
Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
---
 builtin/tag.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/builtin/tag.c b/builtin/tag.c
index 40356e3..3c40957 100644
--- a/builtin/tag.c
+++ b/builtin/tag.c
@@ -488,7 +488,6 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
 	struct strbuf ref = STRBUF_INIT;
 	unsigned char object[20], prev[20];
 	const char *object_ref, *tag;
-	struct ref_lock *lock;
 	struct create_tag_options opt;
 	char *cleanup_arg = NULL;
 	int annotate = 0, force = 0, lines = -1;
@@ -496,6 +495,7 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
 	const char *msgfile = NULL, *keyid = NULL;
 	struct msg_arg msg = { 0, STRBUF_INIT };
 	struct commit_list *with_commit = NULL;
+	struct ref_transaction *transaction;
 	struct option options[] = {
 		OPT_CMDMODE('l', "list", &cmdmode, N_("list tag names"), 'l'),
 		{ OPTION_INTEGER, 'n', NULL, &lines, N_("n"),
@@ -641,10 +641,11 @@ int cmd_tag(int argc, const char **argv, const char *prefix)
 	if (annotate)
 		create_tag(object, tag, &buf, &opt, prev, object);
 
-	lock = lock_any_ref_for_update(ref.buf, prev, 0, NULL);
-	if (!lock)
-		die(_("%s: cannot lock the ref"), ref.buf);
-	if (write_ref_sha1(lock, object, NULL) < 0)
+	transaction = ref_transaction_begin();
+	if (!transaction ||
+	    ref_transaction_update(transaction, ref.buf, object, prev,
+				   0, !is_null_sha1(prev)) ||
+	    ref_transaction_commit(transaction, NULL, UPDATE_REFS_DIE_ON_ERR))
 		die(_("%s: cannot update the ref"), ref.buf);
 	if (force && !is_null_sha1(prev) && hashcmp(prev, object))
 		printf(_("Updated tag '%s' (was %s)\n"), tag, find_unique_abbrev(prev, DEFAULT_ABBREV));
-- 
1.9.1.515.g3b87021
Previous: Ronnie SahlbergNext: Ronnie Sahlberg
Message 10 of 19 in “Use ref transactions from most callers”
  1. 00/13 Use ref transactions from most callersRonnie Sahlberg, Apr 21, 2014
  2. 01/13 refs.c: constify the sha arguments for ref_transaction_create|delete|updateRonnie Sahlberg, Apr 21, 2014
  3. 02/13 refs.c: use a single exit path from transaction commit and handle onerrRonnie Sahlberg, Apr 21, 2014
  4. Junio C HamanoApr 22, 2014
  5. Ronnie SahlbergApr 22, 2014
  6. Junio C HamanoApr 22, 2014
  7. 03/13 refs.c: change ref_transaction_update() to do error checking and return statusRonnie Sahlberg, Apr 21, 2014
  8. 04/13 refs.c: change ref_transaction_create to do error checking and return statusRonnie Sahlberg, Apr 21, 2014
  9. 05/13 refs.c: ref_transaction_delete to check for error and return statusRonnie Sahlberg, Apr 21, 2014
  10. 06/13 tag.c: use ref transactions when doing updatesRonnie Sahlberg, Apr 21, 2014
  11. 07/13 replace.c: use the ref transaction functions for updatesRonnie Sahlberg, Apr 21, 2014
  12. 08/13 commit.c: use ref transactions for updatesRonnie Sahlberg, Apr 21, 2014
  13. 09/13 sequencer.c: use ref transactions for all ref updatesRonnie Sahlberg, Apr 21, 2014
  14. 10/13 fast-import.c: change update_branch to use ref transactionsRonnie Sahlberg, Apr 21, 2014
  15. 11/13 branch.c: use ref transaction for all ref updatesRonnie Sahlberg, Apr 21, 2014
  16. 12/13 walker.c: use ref transaction for ref updatesRonnie Sahlberg, Apr 21, 2014
  17. 13/13 refs.c: change update_ref to use a transactionRonnie Sahlberg, Apr 21, 2014
  18. Junio C HamanoApr 22, 2014
  19. Ronnie SahlbergApr 22, 2014

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