check_ready_label.yml

# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

name: Enforce Ready Label

on:
  pull_request:
    types: [opened, synchronize, reopened, labeled, unlabeled]

jobs:
  check-ready-label:
    name: Check for Ready Label
    runs-on: ubuntu-latest
    steps:
      - name: Verify label existence
        shell: bash
        run: |
          echo "Checking for 'ready' label..."
          LABELS_JSON='${{ toJSON(github.event.pull_request.labels) }}'
          echo "Current labels: $LABELS_JSON"
          MATCHED_LABEL=$(echo "$LABELS_JSON" | jq -r '.[] | select(.name=="ready") | .name')

          if [ "$MATCHED_LABEL" == "ready" ]; then
            echo "'ready' label found. Check passed."
            exit 0
          else
            echo "'ready' label NOT found."
            echo "Blocking merge until 'ready' label is applied."
            exit 1
          fi