diff-tree: convert diff_tree_sha1 to struct object_id

diff --git a/builtin/log.c b/builtin/log.c
index 6bdba3444659d860f5449b0e637b616c39dd97f6..4ef522ee50030f81d8eaf73b4a87793a4242a46d 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -1043,9 +1043,9 @@ static void make_cover_letter(struct rev_info *rev, int use_stdout,
 
        diff_setup_done(&opts);
 
-       diff_tree_sha1(origin->tree->object.oid.hash,
-                      head->tree->object.oid.hash,
-                      "", &opts);
+       diff_tree_oid(&origin->tree->object.oid,
+                     &head->tree->object.oid,
+                     "", &opts);
        diffcore_std(&opts);
        diff_flush(&opts);