fast-import: do not call diff_delta() with empty buffer

diff --git a/submodule.h b/submodule.h
index 0189b3ebdeedf4eb00f61bf85a60cae40588bae5..7856b8a0b3d676cde20095f69a4d000d8cf38615 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -89,10 +89,8 @@ extern int submodule_uses_gitfile(const char *path);
 #define SUBMODULE_REMOVAL_IGNORE_UNTRACKED (1<<1)
 #define SUBMODULE_REMOVAL_IGNORE_IGNORED_UNTRACKED (1<<2)
 extern int bad_to_remove_submodule(const char *path, unsigned flags);
-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);
+
+int add_submodule_odb(const char *path);
 
 /*
  * Checks if there are submodule changes in a..b. If a is the null OID,
@@ -103,12 +101,12 @@ extern int submodule_touches_in_range(struct object_id *a,
 extern int find_unpushed_submodules(struct oid_array *commits,
                                    const char *remotes_name,
                                    struct string_list *needs_pushing);
+struct refspec;
 extern int push_unpushed_submodules(struct oid_array *commits,
                                    const struct remote *remote,
-                                   const char **refspec, int refspec_nr,
+                                   const struct refspec *rs,
                                    const struct string_list *push_options,
                                    int dry_run);
-extern void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir);
 /*
  * Given a submodule path (as in the index), return the repository
  * path of that submodule in 'buf'. Return -1 on error or when the