merge-to-stage.yaml

name: Merge to stage

on:
  schedule:
    - cron: '0 8 * * *' # Run once a day at 8:00 UTC. For any cases where adding the label wouldnt work
  workflow_dispatch: # Allow manual trigger
  pull_request:
    types: [labeled] # Run when a label is added to a PR

env:
  MILO_RELEASE_SLACK_WH: ${{ secrets.MILO_RELEASE_SLACK_WH }}
  REQUIRED_APPROVALS: ${{ secrets.REQUIRED_APPROVALS }}
  SLACK_HIGH_IMPACT_PR_WEBHOOK: ${{ secrets.SLACK_HIGH_IMPACT_PR_WEBHOOK }}

jobs:
  merge-to-stage:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4.1.1

      - name: Check label
        id: check_label
        uses: actions/github-script@v7.0.1
        with:
          script: |
            const fs = require('fs');
            const event = JSON.parse(fs.readFileSync(process.env.GITHUB_EVENT_PATH, 'utf8'));
            if (process.env.GITHUB_EVENT_NAME === 'pull_request') {
              const { label: { name } } = event;
              if (name !== 'Ready for Stage') {
                console.log('Label is not "Ready for Stage", stopping workflow...');
                return false;
              }
            }
            return true;
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Merge to stage or queue to merge
        if: steps.check_label.outputs.result == 'true'
        uses: actions/github-script@v7.0.1
        with:
          script: |
            const main = require('./.github/workflows/merge-to-stage.js')
            main({ github, context, core })
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}