extern struct cache_entry *refresh_cache_entry(struct cache_entry *ce, int really);
extern int remove_cache_entry_at(int pos);
extern int remove_file_from_cache(const char *path);
+extern int add_file_to_index(const char *path, int verbose);
extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
extern int ce_match_stat(struct cache_entry *ce, struct stat *st, int);
extern int ce_modified(struct cache_entry *ce, struct stat *st, int);
extern void rollback_lock_file(struct lock_file *);
/* Environment bits from configuration mechanism */
+extern int use_legacy_headers;
extern int trust_executable_bit;
extern int assume_unchanged;
extern int prefer_symlink_refs;