[PATCH v2 09/13] sequencer.c: use ref transactions for all ref updates
Change to use ref transactions for all updates to refs.
Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
---
sequencer.c | 17 +++++++++++++----
1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/sequencer.c b/sequencer.c
index bde5f04..fa14ac0 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -272,17 +272,26 @@ static int error_dirty_index(struct replay_opts *opts)
static int fast_forward_to(const unsigned char *to, const unsigned char *from,
int unborn, struct replay_opts *opts)
{
- struct ref_lock *ref_lock;
+ struct ref_transaction *transaction;
struct strbuf sb = STRBUF_INIT;
int ret;
read_cache();
if (checkout_fast_forward(from, to, 1))
exit(1); /* the callee should have complained already */
- ref_lock = lock_any_ref_for_update("HEAD", unborn ? null_sha1 : from,
- 0, NULL);
+
+ transaction = ref_transaction_begin();
+ if (!transaction)
+ return 1;
+ if (ref_transaction_update(transaction, "HEAD", to, from,
+ 0, !unborn)) {
+ ref_transaction_rollback(transaction);
+ return 1;
+ }
+
strbuf_addf(&sb, "%s: fast-forward", action_name(opts));
- ret = write_ref_sha1(ref_lock, to, sb.buf);
+ ret = ref_transaction_commit(transaction, sb.buf,
+ UPDATE_REFS_MSG_ON_ERR);
strbuf_release(&sb);
return ret;
}
--
1.9.1.515.g3b87021
Ronnie Sahlberg <sahlberg@google.com>