add `ignore_missing_links` mode to revwalk

diff --git a/branch.c b/branch.c
index d31b354d487e43f710206bbafbb130ab96d87637..9e6c68edaf90f27cf447ad1522da6d7de7827141 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -290,7 +290,7 @@ void create_branch(const char *head,
        hashcpy(sha1, commit->object.sha1);
 
        if (!dont_change_ref) {
-               lock = lock_any_ref_for_update(ref.buf, NULL, 0);
+               lock = lock_any_ref_for_update(ref.buf, NULL, 0, NULL);
                if (!lock)
                        die_errno(_("Failed to lock ref for update"));
        }