stages:
  - build
  - test
  - deploy

build-job:
  stage: build
  script:
    - go build ./...

test-job:
  stage: test
  script:
    - go test ./...
  needs:
    - build-job          # OK: build comes before test

deploy-job:
  stage: deploy
  script:
    - echo "deploy"
  needs:
    - job: test-job
      artifacts: true    # OK: test comes before deploy

# Bad: needs a job in a later stage
bad-needs-job:
  stage: build
  script:
    - echo "bad"
  needs:
    - test-job           # ERROR: test is after build

# Bad: needs a job that doesn't exist
missing-needs-job:
  stage: test
  script:
    - echo "bad"
  needs:
    - nonexistent-job    # ERROR: job doesn't exist