Re: [PATCH 2/3] commit: add function to unparse a commit and its parents

> +static void unparse_commit_list(struct commit_list *list)
> +{
> +	for (; list; list = list->next)
> +		unparse_commit(list->item);
> +}
> +
> +void unparse_commit(struct commit *item)
> +{
> +	item->object.flags = 0;
> +	item->object.used = 0;
> +	if (item->object.parsed) {
> +		item->object.parsed = 0;
> +		if (item->parents) {
> +			unparse_commit_list(item->parents);
> +			free_commit_list(item->parents);
> +			item->parents = NULL;
> +		}
> +	}
> +}