Function can_all_from_reach

commit-reach.c:958–1014

}

int can_all_from_reach(struct commit_list *from, struct commit_list *to,
		       int cutoff_by_min_date)
{
	struct object_array from_objs = OBJECT_ARRAY_INIT;
	struct commit_list *from_iter = from, *to_iter = to;
	int result;
	timestamp_t min_commit_date = cutoff_by_min_date ? from->item->date : 0;
	timestamp_t min_generation = GENERATION_NUMBER_INFINITY;

	while (from_iter) {
		add_object_array(&from_iter->item->object, NULL, &from_objs);

		if (!repo_parse_commit(the_repository, from_iter->item)) {
			timestamp_t generation;
			if (from_iter->item->date < min_commit_date)
				min_commit_date = from_iter->item->date;

			generation = commit_graph_generation(from_iter->item);
			if (generation < min_generation)
				min_generation = generation;
		}

		from_iter = from_iter->next;
	}

	while (to_iter) {
		if (!repo_parse_commit(the_repository, to_iter->item)) {
			timestamp_t generation;
			if (to_iter->item->date < min_commit_date)
				min_commit_date = to_iter->item->date;

			generation = commit_graph_generation(to_iter->item);
			if (generation < min_generation)
				min_generation = generation;
		}

		to_iter->item->object.flags |= PARENT2;

		to_iter = to_iter->next;
	}

	result = can_all_from_reach_with_flag(&from_objs, PARENT2, PARENT1,
					      min_commit_date, min_generation);

	while (from) {
		clear_commit_marks(from->item, PARENT1);
		from = from->next;
	}

	while (to) {
		clear_commit_marks(to->item, PARENT2);
		to = to->next;
	}

	object_array_clear(&from_objs);
	return result;
}