Re: [PATCH 1/3] merge-ort: copy a few small helper functions from merge-recursive.c

> From: Elijah Newren <newren@gmail.com>
> 
> In a subsequent commit, we will implement the traditional recursiveness
> that gave merge-recursive its name, namely merging non-unique
> merge-bases to come up with a single virtual merge base.  Copy a few
> helper functions from merge-recursive.c that we will use in the
> implementation.

> +static struct commit_list *reverse_commit_list(struct commit_list *list)
> +{
> +	struct commit_list *next = NULL, *current, *backup;
> +	for (current = list; current; current = backup) {
> +		backup = current->next;
> +		current->next = next;
> +		next = current;
> +	}