markbridge/.github/workflows/main.yml at 0fcd1bfde11607b51628f8bc077195c750127a94 · discourse/markbridge · GitHub

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name: CI

on:
  push:
    branches:
      - main
    tags:
      - v*
  pull_request:

jobs:
  lint:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '4.0'
          bundler-cache: true

      - name: Run RuboCop
        run: bundle exec rubocop

      - name: Check Ruby formatting with Syntax Tree
        run: bundle exec stree check Gemfile Rakefile *.gemspec "lib/**/*.rb" "spec/**/*.rb"

  test:
    runs-on: ubuntu-latest
    name: Ruby ${{ matrix.ruby }}
    strategy:
      fail-fast: false
      matrix:
        ruby:
          - '3.3'
          - '3.4'
          - '4.0'
          - 'jruby'
          - 'truffleruby'

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false
      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: ${{ matrix.ruby }}
          bundler-cache: true
      - name: Run tests
        run: bundle exec rake spec

  mutation:
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref == 'refs/heads/main')

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false
          # `--since` walks git history; default shallow clone hides the base.
          fetch-depth: 0

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '4.0'
          bundler-cache: true

      # On PR: mutate subjects changed since main.
      # On push to main: mutate subjects changed by this push.
      - name: Run mutant
        run: |
          if [ "${{ github.event_name }}" = "pull_request" ]; then
            since="origin/main"
          else
            since="${{ github.event.before }}"
            # A force-push leaves `github.event.before` pointing to an
            # unreachable commit; fall back to the previous commit on main.
            if ! git cat-file -e "${since}^{commit}" 2>/dev/null; then
              echo "Base ${since} not reachable; falling back to HEAD^"
              since="HEAD^"
            fi
          fi
          bin/mutant run --since "${since}"

  publish:
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'

    needs:
      - lint
      - test

    runs-on: ubuntu-latest

    permissions:
      contents: write

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          # bin/generate-release-notes needs prior tags and the commits
          # between them to build the changelog.
          fetch-depth: 0
      - name: Release Gem
        uses: discourse/publish-rubygems-action@v3
        env:
          RUBYGEMS_API_KEY: ${{ secrets.RUBYGEMS_API_KEY }}
          GIT_EMAIL: team@discourse.org
          GIT_NAME: discoursebot
      - name: Create GitHub Release
        run: |
          VERSION=$(ruby -r ./lib/markbridge/version -e 'puts Markbridge::VERSION')
          TAG="v${VERSION}"
          if ! gh release view "${TAG}" > /dev/null 2>&1; then
            NOTES=$(bin/generate-release-notes)
            gh release create "${TAG}" --notes "${NOTES}" --latest
          else
            echo "Release ${TAG} already exists, skipping."
          fi
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}