release.yml

name: MDC Release

# This workflow does the following if repo does not have git tag that was updated in lerna.json
#  - creates release git tag
#  - publishes packages to NPM with latest tag
#
# This workflow is expected to run after merge of release pull requested created by release-pull-request workflow.

on:
  push:
    branches:
      - master
    paths:
      - "lerna.json"

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Clone repository
        uses: actions/checkout@v2
        with:
          ref: master
          fetch-depth: 0
      - name: Fetch all tags
        run: |
          git fetch --depth=1 origin +refs/tags/*:refs/tags/*
      - name: Setup node
        uses: actions/setup-node@v1
        with:
          node-version: 14
          registry-url: https://registry.npmjs.org/
      - name: Cache dependencies
        uses: actions/cache@v2
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Install dependencies
        run: |
          npm ci --ignore-scripts
          npm run bootstrap
      - name: Read version created by Lerna.js
        id: lerna_version
        run: |
          echo "::set-output name=version::v$(npm run version --silent)"
      - name: Check if release tag is already created
        id: vars
        run: |
          lerna_version=${{ steps.lerna_version.outputs.version }}
          if [[ -z $(git tag -l "$lerna_version") ]]; then
            echo "Proceeding to create new release"
          else
            echo "New release already created, exiting."
            exit 1
          fi
      - name: Build packages
        run: |
          npm run dist
          node scripts/cp-pkgs.js
          node scripts/verify-pkg-main.js
          git reset --hard
      - name: Create release
        id: create_release
        uses: actions/create-release@v1
        with:
          tag_name: ${{ steps.lerna_version.outputs.version }}
          release_name: ${{ steps.lerna_version.outputs.version }}
          body: |
            See CHANGELOG file to see what's changed in new release.
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Publish to NPM registry
        run: npx lerna publish from-package --yes
        env:
          NODE_AUTH_TOKEN: ${{secrets.npm_token}}