cloud_build/flutter_agy_docker/orchestrator.yaml

# Copyright 2022 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Target for Cloud Scheduler to build `stable`.
steps:
  - name: 'gcr.io/google.com/cloudsdktool/cloud-sdk'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        set -euo pipefail

        apt-get update && apt-get install -y jq

        echo "Fetching Flutter release data for channel: $_CHANNEL..."

        # 1. Fetch latest version for the specified channel (stable or beta)
        # The -f flag on curl ensures it fails on HTTP errors.
        # We pass the Cloud Build substitution $_CHANNEL as an argument to jq.
        FLUTTER_VERSION=$$(curl -sf https://storage.googleapis.com/flutter_infra_release/releases/releases_linux.json | \
          jq -r --arg channel "$_CHANNEL" '.current_release[$$channel] as $$hash | .releases[] | select(.hash == $$hash) | .version')

        # Validate that the version was successfully parsed.
        # -z "$$FLUTTER_VERSION" checks if the variable is an empty string (e.g., if jq failed entirely).
        # "$$FLUTTER_VERSION" == "null" checks if jq succeeded but couldn't find the requested data in the JSON.
        if [ -z "$$FLUTTER_VERSION" ] || [ "$$FLUTTER_VERSION" == "null" ]; then
          echo "Error: Failed to parse $_CHANNEL Flutter version from JSON."
          exit 1
        fi

        echo "Found $_CHANNEL Flutter version: $$FLUTTER_VERSION"

        # 2. Trigger the target build with the version as a substitution
        # Note: We use --region=global as found in your trigger description
        gcloud builds triggers run flutter-agy-docker \
            --region=global \
            --branch=main \
            --substitutions=_FLUTTER_VERSION="$$FLUTTER_VERSION"

substitutions:
  _CHANNEL: "stable"

# Force Cloud Build to send logs directly to Cloud Logging
# instead of an autogenerated GCS bucket
options:
  logging: CLOUD_LOGGING_ONLY