How to store the backup on local file system instead of s3

How to store the backup on local file system instead of s3

apiVersion: k8up.io/v1
kind: Schedule
metadata:
  name: schedule-backups
spec:
  backend:
    repoPasswordSecretRef:
      name: restic-repo
      key: password
    local:
      mountPath: "/tmp/backup"
  backup:
    schedule: '*/5 * * * *'
    keepJobs: 4
  check:
    schedule: '0 1 * * 1'
  prune:
    schedule: '0 1 * * 0'
    retention:
      keepLast: 5
      keepDaily: 14

I am using above but I cannot find this directory /tmp/backup in local file system ?

Above does not look like anything from restic IMO. I guess it is some wrapper you are using - ask your question to their community.

With restic here you can find how to start using local repo:

https://restic.readthedocs.io/en/stable/030_preparing_a_new_repo.html#local