compat: Add simplified merge sort implementation from glibc

diff --git a/revision.h b/revision.h
index 992e1e9dd57eac528c3ecaf09987593d525da611..8572315954d1fde8c36c426d66c665534c22d1f2 100644 (file)
--- a/revision.h
+++ b/revision.h
@@ -130,6 +130,8 @@ extern void add_object(struct object *obj,
 
 extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);
 
+extern void add_head_to_pending(struct rev_info *);
+
 enum commit_action {
        commit_ignore,
        commit_show,