[PATCH 08/20] sequencer.c: use ref transactions for all ref updates
Change to use ref transactions for all updates to refs.
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Ronnie Sahlberg <sahlberg@google.com>
---
sequencer.c | 27 ++++++++++++++++++---------
1 file changed, 18 insertions(+), 9 deletions(-)
diff --git a/sequencer.c b/sequencer.c
index 9230474..cf17c69 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -272,23 +272,32 @@ 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;
+ struct strbuf err = STRBUF_INIT;
read_cache();
if (checkout_fast_forward(from, to, 1))
- exit(128); /* the callee should have complained already */
- ref_lock = lock_any_ref_for_update("HEAD", unborn ? null_sha1 : from,
- 0, NULL);
- if (!ref_lock)
- return error(_("Failed to lock HEAD during fast_forward_to"));
+ exit(1); /* the callee should have complained already */
strbuf_addf(&sb, "%s: fast-forward", action_name(opts));
- ret = write_ref_sha1(ref_lock, to, sb.buf);
+
+ transaction = ref_transaction_begin(&err);
+ if (!transaction ||
+ ref_transaction_update(transaction, "HEAD",
+ to, unborn ? null_sha1 : from,
+ 0, 1, &err) ||
+ ref_transaction_commit(transaction, sb.buf, &err)) {
+ ref_transaction_free(transaction);
+ error("%s", err.buf);
+ strbuf_release(&sb);
+ strbuf_release(&err);
+ return -1;
+ }
strbuf_release(&sb);
- return ret;
+ ref_transaction_free(transaction);
+ return 0;
}
static int do_recursive_merge(struct commit *base, struct commit *next,
--
2.0.1.442.g7fe6834.dirty
Ronnie Sahlberg <sahlberg@google.com>