# Provide instructions for google Cloud Build to auto-build flutter
# dashboard to flutter-dashboard project. Auto-build will be triggered
# by daily schedule on `main` branch.
#
# The auto-build will be skipped if no new commits since last deployment.

steps:
  # Get recently pushed docker image and associated provenance, along with the
  # correct docker digest url, including the hash.
  - name: gcr.io/cloud-builders/gcloud
    entrypoint: '/bin/bash'
    args:
      - '-c'
      - |-
        cloud_build/get_docker_image_provenance.sh \
          us-docker.pkg.dev/$PROJECT_ID/appengine/default.version-$SHORT_SHA:latest \
          unverified_provenance.json

  # Verify provenance is valid before proceeding with deployment.
  - name: 'golang:1.20'
    entrypoint: '/bin/bash'
    args:
      - '-c'
      - |-
        cloud_build/verify_provenance.sh unverified_provenance.json

  # Deploy a new version to google cloud.
  - name: gcr.io/cloud-builders/gcloud
    entrypoint: '/bin/bash'
    args:
      - '-c'
      - |-
        gcloud config set project $PROJECT_ID
        latest_version=$(gcloud app versions list --hide-no-traffic --format 'value(version.id)')
        if [ "$latest_version" = "version-$SHORT_SHA" ]; then
          echo "No updates since last deployment."
        else
          bash cloud_build/deploy_app_dart.sh $PROJECT_ID $SHORT_SHA
        fi

timeout: 1200s