6 void handle_ignore_submodules_arg(struct diff_options *diffopt, const char *);
7 void show_submodule_summary(FILE *f, const char *path,
8 unsigned char one[20], unsigned char two[20],
9 unsigned dirty_submodule,
10 const char *del, const char *add, const char *reset);
11 unsigned is_submodule_modified(const char *path, int ignore_untracked);