x-defaults: &defaults
  image: alpine
  volumes:
    - "/Users/jthor/Obsidian/My Vault:/obsidian"
    - "/Volumes/What/backup:/backup"
x-backup-cmd: &backup-cmd
  - tar czf /backup/obsidian-$(date +%F).tar.gz /obsidian

steps:
  sanity-check:
    <<: *defaults
    commands:
      - echo "Listing mount points..."
      - ls -ld /obsidian /backup
      - ls -l /backup

  backup-on-push:
    <<: *defaults
    commands: *backup-cmd
    when:
      event: [ push, manual ]

  backup-on-cron:
    <<: *defaults
    commands: *backup-cmd
    when:
      event: [ cron ]
      cron: nightly-backup