builtin/fetch cleanup: always set default value for submodule recursing

diff --git a/submodule.h b/submodule.h
index cbe5c1726f9adab2b032d872d4bd84425e6ce518..ab1f01b3cebb34805327f0e27372f53e4241c124 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -97,6 +97,10 @@ extern int merge_submodule(struct object_id *result, const char *path,
                           const struct object_id *base,
                           const struct object_id *a,
                           const struct object_id *b, int search);
+
+/* Checks if there are submodule changes in a..b. */
+extern int submodule_touches_in_range(struct object_id *a,
+                                     struct object_id *b);
 extern int find_unpushed_submodules(struct oid_array *commits,
                                    const char *remotes_name,
                                    struct string_list *needs_pushing);