agent_checkout_rebase_action.yml

# .github/workflows/rebase-express-payments.yml

name: 'Auto Rebase adyenExpressPayments'

# This action will trigger on the creation of new preview release tags
on:
  push:
    tags:
      - '*-preview'
  workflow_dispatch:

permissions:
  contents: write

jobs:
  rebase:
    name: Rebase adyenExpressPayments on preview release
    runs-on: ubuntu-latest

    steps:
      # Step 1: Check out the repository's code.
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Fetches all history for all branches and tags

      # Step 2: Set up the Node.js environment to use npm and npx.
      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '24' # Or your project's specific Node.js version
          cache: 'npm' # Caches npm dependencies for faster runs

      # Step 3: Configure Git with a user name and email.
      - name: Set up Git
        run: |
          git config --global user.name 'GitHub Actions'
          git config --global user.email 'actions@github.com'

      # Step 4: Switch to the adyenExpressPayments branch.
      - name: Switch to adyenExpressPayments branch
        run: git checkout adyenExpressPayments 

      # Step 5: Delete all package-lock.json files before the rebase.
      - name: Delete package-lock.json files
        run: |
          find . -name "package-lock.json" -type f -delete
          # We must commit this change so the rebase can proceed cleanly.
          # The 'if' statement prevents an error if no lock files were found.
          if [[ -n $(git status -s) ]]; then
            git add .
            git commit -m "chore: remove package-lock.json files before rebase and regenerating after"
          else
            echo "No package-lock.json files found to delete."
          fi

      # Step 6: Attempt to rebase the branch. If this step fails, we abort the rebase and 
      # return the branch to its original state
      - name: Rebase adyenExpressPayments with develop
        run: |
          TRIGGERING_TAG="${{ github.ref_name }}"
          echo "🔄 Rebasing branch 'adyenExpressPayments' onto tag '$TRIGGERING_TAG'"
          
          if ! git rebase $TRIGGERING_TAG; then
            echo "Rebase failed due to conflicts. Aborting."
            git rebase --abort
            exit 1
          fi

      # Step 7: Install dependencies after a successful rebase.
      # The '--yes' flag for lerna is crucial for non-interactive environments.
      - name: Install Dependencies
        run: |
          if ! npx lerna clean --yes && npm i; then
            echo "Generating package-lock files after rebase failed!"
            exit 1
          fi

      # Step 8: Push the changes only if all previous steps were successful.
      - name: Push Changes
        run: |
          git add .
          git commit --amend --no-edit
          git push origin adyenExpressPayments --force-with-lease

      # Step 9: This notification step will run if any of the above steps fail.
      - name: Notify on Failure
        if: failure()
        uses: slackapi/slack-github-action@v1.26.0
        with:
          # The channel or user ID to send the notification to.
          channel-id: '${{ secrets.AGENT_CHECKOUT_ALERT_SLACK_CHANNEL_ID }}'
          # A custom message for the Slack notification.
          slack-message: "🚨 Automatic rebase of `adyenExpressPayments` failed. Manual intervention is required. Link to failed action: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}"
        env:
          # You must store your Slack Bot Token as a secret in your repository settings.
          SLACK_BOT_TOKEN: '${{ secrets.AGENT_CHECKOUT_SLACK_BOT_TOKEN }}'