ci-cd.yml

name: CI/CD

on:
  push:
    paths-ignore:
      - '*.md'
  workflow_dispatch:
    inputs:
      create_release:
        description: 'Create a release? Set to true'
        required: true
      push_gem:
        description: 'Push gem? Set to true'
        required: true

jobs:
  editorconfig:
    name: Check EditorConfig
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2

      - name: Download editorconfig-checker
        run: curl -O -L -C - https://github.com/editorconfig-checker/editorconfig-checker/releases/download/2.3.5/ec-linux-amd64.tar.gz

      - name: Extract editorconfig-checker
        run: tar xzf ec-linux-amd64.tar.gz

      - name: Check EditorConfig compliance
        run: ./bin/ec-linux-amd64


  build-and-test:
    name: Build & test
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-ruby@v1
        with:
          ruby-version: '2.7'

      - name: Fetch Google Cloud credentials
        run: echo "$CREDENTIALS" > credentials.json
        env:
          CREDENTIALS: ${{ secrets.TEST_GCLOUD_CREDENTIALS }}

      - uses: actions/cache@v1
        with:
          path: vendor/bundle
          key: ${{ runner.os }}-gems-${{ hashFiles('Gemfile.lock') }}
          restore-keys: |
            ${{ runner.os }}-gems-


      - name: Install Bundler 2
        run: gem install bundler -v '~> 2.1' --no-document

      - name: Bundle install
        run: |
          set -x
          bundle config set path vendor/bundle
          bundle config set frozen true
          bundle install --jobs 4 --retry 3 --without=development
          bundle clean

      - name: Run RSpec
        run: bundle exec rspec
        env:
          TEST_GCLOUD_BUCKET: ${{ secrets.TEST_GCLOUD_BUCKET }}
          TEST_GCLOUD_CREDENTIALS_PATH: credentials.json

      - name: Run Rubocop
        run: bundle exec rake rubocop

      - name: Generate Yard API docs
        run: bundle exec yard && touch doc/.nojekyll

      - name: Generate Sorbet type definitions
        run: mkdir defs && bundle exec sord defs/defs.rbi

      - run: gem build distributed-lock-google-cloud-storage.gemspec

      - uses: actions/upload-artifact@v2
        with:
          name: gem
          path: '*.gem'

      - uses: actions/upload-artifact@v2
        with:
          name: api-docs
          path: doc


  publish:
    name: Publish
    needs:
      - editorconfig
      - build-and-test
    if: |
      github.ref == 'refs/heads/test/ci-cd'
      || github.event.inputs.create_release == 'true'
      || github.event.inputs.push_gem == 'true'
    runs-on: ubuntu-20.04
    environment: RubyGems.org
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
      - name: Fetch tags
        run: git fetch --tags

      - uses: actions/setup-ruby@v1
        with:
          ruby-version: '2.7'

      - uses: actions/download-artifact@v2
        with:
          name: gem
          path: .

      - uses: actions/download-artifact@v2
        with:
          name: api-docs
          path: doc

      - name: Determine version
        id: determine_version
        run: |
          VERSION=$(ruby -r./lib/distributed-lock-google-cloud-storage/version -e 'puts DistributedLock::GoogleCloudStorage::Version::VERSION_STRING')
          echo "::set-output name=version::$VERSION"

      - name: Determine changelog
        run: |
          MERGE_BASE=$(git merge-base origin/main HEAD)
          echo "Merge base: $MERGE_BASE"

          if PREVIOUS_RELEASE_TAG=$(git describe "$MERGE_BASE" --tags --abbrev=0 --match='v*' 2>/dev/null); then
            echo "Previous release: $PREVIOUS_RELEASE_TAG"
            git log --pretty='format:%s' "$PREVIOUS_RELEASE_TAG..HEAD" | sed -E 's|(.*)| * \1|' > changelog.txt
          else
            echo "No previous release found"
            git log --pretty='format:%s' | sed -E 's|(.*)| * \1|' > changelog.txt
          fi

          echo
          echo "## Changelog"
          cat changelog.txt

      - name: Create tag
        if: github.event.inputs.create_release == 'true'
        run: |
          set -x
          git tag "v${PRODUCT_VERSION}"
          git push origin "v${PRODUCT_VERSION}"
        env:
          PRODUCT_VERSION: ${{ steps.determine_version.outputs.version }}

      - name: Create draft release
        if: github.event.inputs.create_release == 'true'
        run: gh release create "v${PRODUCT_VERSION}" --draft --notes-file changelog.txt --title "Version $PRODUCT_VERSION"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PRODUCT_VERSION: ${{ steps.determine_version.outputs.version }}

      - name: Upload release assets
        if: github.event.inputs.create_release == 'true'
        run: gh release upload --clobber "v${PRODUCT_VERSION}" *.gem
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PRODUCT_VERSION: ${{ steps.determine_version.outputs.version }}

      - name: Publish API docs
        if: github.event.inputs.create_release == 'true'
        uses: JamesIves/github-pages-deploy-action@0f24da7de3e7e135102609a4c9633b025be8411b
        with:
          branch: gh-pages
          folder: doc

      - name: Push gem
        if: github.event.inputs.push_gem == 'true'
        uses: dawidd6/action-publish-gem@c4713bf1595e0686322d6cf6c1a1c0dcaeca55de
        with:
          api_key: ${{ secrets.RUBYGEMS_API_KEY }}