sequence in schema -- broken default

I must have a fundamental misunderstanding about using schema.

Before using schema, I usually have a file that has my database
definition, and I can play that file back in to a new database to
create a testing area or to create my production setup.

I think I want to use schema the same way.

My problem is using a sequence for a default value. I know that
if I use a serial instead, all of this will go away, but my design
already uses separate sequences, so I am hoping I will not need
to change it...

This illustrates the problem:

CREATE DATABASE d;
\c d

CREATE SCHEMA one;
SET search_path TO one;

CREATE SEQUENCE foo_seq;
CREATE TABLE foo(
i integer
DEFAULT nextval('foo_seq')
);

SET search_path TO public;

INSERT INTO foo VALUES (DEFAULT);

The problem is that the DEFAULT nextval(... needs to qualify
the sequence with the schema, but I am not sure how to
determine the schema in my definition file.

Any hints?

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