Function skip_unnecessary_picks

sequencer.c:6389–6434

skip picking commits whose parents are unchanged */

/* skip picking commits whose parents are unchanged */
static int skip_unnecessary_picks(struct repository *r,
				  struct todo_list *todo_list,
				  struct object_id *base_oid)
{
	struct object_id *parent_oid;
	int i;

	for (i = 0; i < todo_list->nr; i++) {
		struct todo_item *item = todo_list->items + i;

		if (item->command >= TODO_NOOP)
			continue;
		if (item->command != TODO_PICK)
			break;
		if (repo_parse_commit(r, item->commit)) {
			return error(_("could not parse commit '%s'"),
				oid_to_hex(&item->commit->object.oid));
		}
		if (!item->commit->parents)
			break; /* root commit */
		if (item->commit->parents->next)
			break; /* merge commit */
		parent_oid = &item->commit->parents->item->object.oid;
		if (!oideq(parent_oid, base_oid))
			break;
		oidcpy(base_oid, &item->commit->object.oid);
	}
	if (i > 0) {
		const char *done_path = rebase_path_done();

		if (todo_list_write_to_file(r, todo_list, done_path, NULL, NULL, i, 0)) {
			error_errno(_("could not write to '%s'"), done_path);
			return -1;
		}

		MOVE_ARRAY(todo_list->items, todo_list->items + i, todo_list->nr - i);
		todo_list->nr -= i;
		todo_list->current = 0;
		todo_list->done_nr += i;

		if (is_fixup(peek_command(todo_list, 0)))
			record_in_rewritten(base_oid, peek_command(todo_list, 0));
	}

	return 0;
}

struct todo_add_branch_context {
	struct todo_item *items;