CI.yml

name: CI

# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the main and next branches
on:
  push:
    branches:
      - main
      - next
      - v1
    paths-ignore:
      - '**/docs/**'
      - '**.md'
  pull_request:
    types: [opened, synchronize, reopened, edited, ready_for_review]
    paths-ignore:
      - '**/docs/**'
      - '**.md'

# Setup concurrency to the ref (branch / tag) that triggered the workflow
concurrency: ci-${{ github.ref }}

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "CI"
  CI:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest
    # Do not run if the pull request is a draft
    if: ${{ !github.event.pull_request.draft && !contains(github.event.commits[0].message, '[skip build]') }}

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      # Use fetch-depth: 0 so that all tags and branches are fetched
      # Use persist-credentials: false so that the make release step uses another personal access
      # token which has admin access and can push the version commit without the restriction
      # of creating a pull-request.
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          persist-credentials: false

      - uses: actions/setup-node@v2
        with:
          node-version: '14'
          registry-url: 'https://registry.npmjs.org'
          scope: '@farfetch'
          cache: 'yarn'
          always-auth: true

      # This is needed for lerna to commit and push the
      # new version when making a release
      - name: Checkout the source branch in a pull request for lerna
        if: ${{ github.event_name == 'pull_request' && startsWith(github.head_ref, 'rc/') }}
        run: |
          git checkout "${{ github.head_ref }}"

      # This is needed for lerna to commit and push the
      # new version when making a release
      - name: Checkout the branch for pushes to a branch for lerna
        if: ${{ github.event_name == 'push' }}
        run: |
          git checkout "${{ github.ref_name }}"

      # Retrieves the commit message to be used in the
      # make release step
      - name: Get commit message
        id: get-commit-message
        run: |
          COMMIT_MSG=$(git log -1 --pretty=format:"%s")
          echo "Commit message is: ${COMMIT_MSG})"
          echo ::set-output name=message::${COMMIT_MSG}

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

      - name: Lint
        run: yarn lint

      - name: Test
        run: yarn test --ci

      # Only make a release if it is a run of the 'main' or 'next' branches
      # or a pull request that contains a 'chore: make release' message
      - name: Make release
        if: |
          github.ref_name == 'main' ||
          github.ref_name == 'next' ||
          github.ref_name == 'v1' ||
          (github.event_name == 'pull_request' && startsWith(github.head_ref, 'rc/'))
        env:
          MAKE_RELEASE_COMMIT_MESSAGE: 'chore: make release'
          PUBLISH_COMMIT_MESSAGE: 'chore: publish [skip build]'
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
          GITHUB_TOKEN: ${{ secrets.RELEASE_BOT_GITHUB_TOKEN }}
          GIT_AUTHOR_NAME: ${{ secrets.RELEASE_BOT_GIT_NAME }}
          GIT_AUTHOR_EMAIL: ${{ secrets.RELEASE_BOT_GIT_EMAIL }}
          GIT_COMMITTER_NAME: ${{ secrets.RELEASE_BOT_GIT_NAME }}
          GIT_COMMITTER_EMAIL: ${{ secrets.RELEASE_BOT_GIT_EMAIL }}
        run: |
          git remote set-url origin "https://${GITHUB_TOKEN}@github.com/Farfetch/blackout.git"

          SOURCE_BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)

          if [[ ${SOURCE_BRANCH_NAME} = main || ${SOURCE_BRANCH_NAME} = v1 ]]; then
            npx lerna publish --conventional-commits --message "${PUBLISH_COMMIT_MESSAGE}" --no-verify-access --yes
          else
            if [[ ${SOURCE_BRANCH_NAME} = next ]]; then
              PRE_ID=next
            else
              PRE_ID=rc
            fi
            npx lerna publish --conventional-commits --conventional-prerelease --no-verify-access --preid ${PRE_ID} --pre-dist-tag ${PRE_ID}  --message "${PUBLISH_COMMIT_MESSAGE}"  --yes
          fi