int log_tree_opt_parse(struct rev_info *, const char **, int);
void show_log(struct rev_info *opt);
void show_decorations(struct rev_info *opt, struct commit *commit);
int log_tree_opt_parse(struct rev_info *, const char **, int);
void show_log(struct rev_info *opt);
void show_decorations(struct rev_info *opt, struct commit *commit);