ref_transaction_update(): remove "have_old" parameter
Instead, verify the reference's old value if and only if old_sha1 is
non-NULL.
ref_transaction_delete() will get the same treatment in a moment.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/commit.c b/builtin/commit.c
index 7f46713..8afb0ff 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -1767,7 +1767,7 @@
ref_transaction_update(transaction, "HEAD", sha1,
current_head
? current_head->object.sha1 : NULL,
- 0, !!current_head, sb.buf, &err) ||
+ 0, sb.buf, &err) ||
ref_transaction_commit(transaction, &err)) {
rollback_index_files();
die("%s", err.buf);