finish-release-train.yml

name: Finish Release Train
on:
  pull_request:
    types:
      - closed
    branches:
      - main
env:
  LC_ALL: en_US.UTF-8
  LANG: en_US.UTF-8
concurrency:
  group: finish-release-train-${{ github.ref_name }}
  cancel-in-progress: true
jobs:
  create_pr:
    if: github.event.pull_request.merged == true && startsWith(github.head_ref, 'release/v')
    runs-on: ubuntu-latest
    outputs:
      version_number: ${{ steps.version_number.outputs.version_number }}
    steps:
      - uses: actions/checkout@v4

      - name: Detect version number
        id: version_number
        run: |
          version_number="$(jq --raw-output '.version' package.json)"
          echo "Detected version number: $version_number"
          echo "version_number=$version_number" >> $GITHUB_OUTPUT

      - name: Create PR
        run: |
          gh pr create \
          --base "development" \
          --head "main" \
          --title "Finish release ${{ steps.version_number.outputs.version_number }}" \
          --body "Finish release ${{ steps.version_number.outputs.version_number }}"
        env:
          GH_TOKEN: ${{ github.token }}

  publish_release:
    needs: [create_pr]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Setup Git User
        run: |
          # setup git
          git config --global user.name "Bitmovin Release Automation"
          git config --global user.email "support@bitmovin.com"

      - name: Add tag
        run: |
          git tag v${{ needs.create_pr.outputs.version_number }}

      - name: Git push
        run: |
          git push origin v${{ needs.create_pr.outputs.version_number }}

      - name: Setup node and npm registry
        uses: actions/setup-node@v3
        with:
          node-version: '16'
          registry-url: 'https://registry.npmjs.org/'
          cache: 'yarn'

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      - name: Build TypeScript files
        run: yarn build

      - name: Publish npm package
        run: npm publish
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

      - name: Extract changelog
        id: changelog
        uses: ffurrer2/extract-release-notes@v1

      - name: Create GitHub release
        uses: ncipollo/release-action@v1
        with:
          tag: v${{ needs.create_pr.outputs.version_number }}
          token: ${{ secrets.GITHUB_TOKEN }}
          body: ${{ steps.changelog.outputs.release_notes }}