enum-auto-updater.yml

name: CDK Enums Auto Updater
on:
  workflow_dispatch:

jobs:
  update-l2-enums:
    if: github.repository == 'aws/aws-cdk'
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Check Out
        uses: actions/checkout@v4
        
      - name: Set up Node
        uses: actions/setup-node@v4
        with:
          node-version: "*"
        env:
          NODE_OPTIONS: "--max-old-space-size=8196 --experimental-worker ${NODE_OPTIONS:-}"

      - name: Install dependencies
        run:  cd tools/@aws-cdk/enum-updater && yarn install --frozen-lockfile && yarn build

      - name: Identify Missing Values and Apply Code Changes
        run: |
          cd tools/@aws-cdk/enum-updater
          ./bin/update-missing-enums

      - name: Check for changes
        id: git-check
        run: |
          if [[ -n "$(git status --porcelain)" ]]; then
            echo "changes=true" >> $GITHUB_OUTPUT
          else
            echo "changes=false" >> $GITHUB_OUTPUT
          fi

      # Authentication is required for gh cli
      - name: Setup GitHub CLI
        run: |
          gh auth login --with-token <<< "${{ secrets.GITHUB_TOKEN }}"
  
      - name: Commit & Push changes
        if: steps.git-check.outputs.changes == 'true'
        run: |
          git config --global user.name 'aws-cdk-automation'
          git config --global user.email 'aws-cdk-automation@users.noreply.github.com'
          
          # Iterate through each module directory that has changes
          for module in $(git diff --name-only | grep -E '^packages/(@aws-cdk|aws-cdk-lib)/.*' | sed -E 's|^packages/(@aws-cdk\|aws-cdk-lib)/([^/]+).*|\2|' | sort -u); do
            moduleName=$(basename $module)
            
            # Determine the correct path for the module
            if [[ -d "packages/aws-cdk-lib/$module" ]]; then
              modulePath="packages/aws-cdk-lib/$module"
            elif [[ -d "packages/@aws-cdk/$module" ]]; then
              modulePath="packages/@aws-cdk/$module"
            else
              echo "Cannot find module directory for $module"
              continue
            fi
          
            # Check for existing PR with the same name
            prExists=$(gh pr list --state open --search "feat(${moduleName#aws-}): add new enum values for ${moduleName#aws-}" --json number,title -q '.[].number')
          
            # If a PR exists, close it and continue
            if [[ -n "$prExists" ]]; then
              echo "PR already exists for module ${moduleName#aws-}, closing the existing PR."
              gh pr close "$prExists" --confirm
            fi
          
            # Create a new branch for the module
            branchName="enum-update/${moduleName#aws-}"
            git checkout -b "$branchName"
            
            # Stage, commit, and push changes for the module
            git add "$modulePath"  # Using the correct path
            git commit -m "chore(${moduleName#aws-}): add new enum values for ${moduleName#aws-}"
            git push origin "$branchName"
          
            # Create a new pull request
            gh pr create --title "chore(${moduleName#aws-}): add new enum values for ${moduleName#aws-}" \
              --body "This PR updates the enum values for ${moduleName#aws-}." \
              --base main \
              --head "$branchName" \
              --label "contribution/core,pr-linter/exempt-integ-test,pr-linter/exempt-readme,pr-linter/exempt-test" \
              --reviewer "aws-cdk-team"
          done