void free_untracked_cache(struct untracked_cache *);
struct untracked_cache *read_untracked_extension(const void *data, unsigned long sz);
void write_untracked_extension(struct strbuf *out, struct untracked_cache *untracked);
-void add_untracked_ident(struct untracked_cache *);
+void add_untracked_cache(struct index_state *istate);
+void remove_untracked_cache(struct index_state *istate);
#endif