tree: add repository argument to lookup_tree

diff --git a/builtin/diff.c b/builtin/diff.c
index d0421c90e298c4fd5bd6e75c6025aeebef8e745a..7971530b9b3034f3af326cc035978927a2c18c73 100644 (file)
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -386,7 +386,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
                                add_head_to_pending(&rev);
                                if (!rev.pending.nr) {
                                        struct tree *tree;
-                                       tree = lookup_tree(the_hash_algo->empty_tree);
+                                       tree = lookup_tree(the_repository,
+                                                          the_repository->hash_algo->empty_tree);
                                        add_pending_object(&rev, &tree->object, "HEAD");
                                }
                                break;