steps: - name: gcr.io/k8s-testimages/gcb-docker-gcloud:v20200824-5d057db entrypoint: scripts/test-infra/push-image.sh env: - IMAGE_EXTRA_TAG_NAMES=$_PULL_BASE_REF substitutions: _GIT_TAG: '0.0.0' _PULL_BASE_REF: 'master' options: substitution_option: ALLOW_LOOSE