update-examples.yml

name: Update Edgio Examples
on:
  workflow_dispatch:
    inputs:
      allow-major:
        description: 'Allow major version updates'
        required: false
        default: 'false'
  schedule:
    - cron: '0 0 * * 0'

concurrency:
  group: update-examples-${{ github.ref }}
  cancel-in-progress: true

env:
  # Node version for all the jobs
  NODE_VERSION: 16

  # Base branch all jobs will merge into
  BRANCH_PREFIX: bot-examples-update-
  UPDATES_BRANCH_NAME: bot-examples-update-${{ github.run_number }}

jobs:
  prepare:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.setMatrix.outputs.matrix }}
    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          registry-url: https://registry.npmjs.org/
      - name: Install Node.js modules
        run: npm ci
      - name: Cleanup branches; Create branch and push to origin
        run: |
          # Cleanup existing branches
          git pull
          git fetch --all
          for branch in $(git branch --remotes)
          do
            git branch -q ${branch#origin/} $branch || true
          done
          for branch in $(git branch --list "${{ env.BRANCH_PREFIX }}*")
          do
            git push origin --delete $branch || true
          done

          # Create new branch
          git checkout -b ${{ env.UPDATES_BRANCH_NAME }}
          git push origin ${{ env.UPDATES_BRANCH_NAME }}
      - name: Get matrix of examples
        id: setMatrix
        run: echo -e "matrix=$(node scripts/helpers/printV7Examples.js)" >> $GITHUB_OUTPUT
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  update-examples:
    name: Update Examples
    needs: prepare
    runs-on: ubuntu-latest
    continue-on-error: true
    strategy:
      matrix:
        example: ${{ fromJson( needs.prepare.outputs.matrix ) }}
    env:
      EXAMPLE_DIR: examples/${{ matrix.example }}
    steps:
      - uses: actions/checkout@v3
        with:
          ref: ${{ env.UPDATES_BRANCH_NAME }}
      - uses: actions/setup-node@v3
        with:
          node-version: ${{ env.NODE_VERSION }}
          registry-url: https://registry.npmjs.org/
      - name: Install Node.js modules
        run: |
          npm i -g @edgio/cli
          npm ci
      - name: Cache node modules
        uses: actions/cache@v3
        env:
          cache-name: cache-examples-node-modules-${{ matrix.example }}-node16-v2
        with:
          path: |
            examples/${{ matrix.example }}/node_modules
            */*/node_modules
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles(format('examples/{0}/package-lock.json', matrix.test), 'packages/*/package-lock.json') }}
      - name: Update Examples
        run: npm run update-examples -- --dir ${{ env.EXAMPLE_DIR }} --allowMajor ${{ github.event.inputs.allow-major }}
      - name: Check if there are modified files
        id: status
        run: |
          # Check if the git status is clean
          if [ -z "$(git status --porcelain)" ]; then
            echo "No modified files"
            # Set a variable to indicate that there are no modified files
            echo "NO_MODIFIED_FILES=true" >> $GITHUB_OUTPUT
          else
            echo "Modified files"
            # Set a variable to indicate that there are modified files
            echo "NO_MODIFIED_FILES=false" >> $GITHUB_OUTPUT
          fi
      - name: Commit changes
        if: steps.status.outputs.NO_MODIFIED_FILES == 'false'
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git checkout -b ${{ env.BRANCH_NAME }}
          git add .
          git commit -am "Update ${{ matrix.example }}"
          git push origin ${{ env.BRANCH_NAME }}
        env:
          BRANCH_NAME: ${{ env.UPDATES_BRANCH_NAME }}-${{ matrix.example }}

  create-pr:
    name: Create Update PR
    needs: update-examples
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          ref: ${{ env.UPDATES_BRANCH_NAME }}
          fetch-depth: 0
      - name: Prepare branches to merge
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git fetch --all --prune
          for branch in $(git branch --remotes)
          do
            git branch -q ${branch#origin/} $branch || true
          done
          git pull --all
      - name: Merge in updated branches to base branch
        run: |
          for branch in $(git branch --list "${{ env.UPDATES_BRANCH_NAME }}-*")
          do
            git merge --allow-unrelated-histories -m "Merging $branch" $branch
          done

          git push origin ${{ env.UPDATES_BRANCH_NAME }}
      - name: Create PR
        uses: repo-sync/pull-request@v2
        with:
          destination_branch: main
          source_branch: ${{ env.UPDATES_BRANCH_NAME }}
          pr_title: '[BOT] Update Edgio Version'