extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space);
void insert_by_date(struct commit_list **list, struct commit *item);
extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space);
void insert_by_date(struct commit_list **list, struct commit *item);