name: CI

on:
  push:
    branches: [main]
    tags: ['v*']
  pull_request:
    branches: [main]

jobs:
  test:
    name: Test (Emacs ${{ matrix.emacs_version }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        emacs_version: ['27.1', '28.2', '29.4', '30.1']
    steps:
      - uses: actions/checkout@v4

      - name: Set up Emacs
        uses: jcs090218/setup-emacs@master
        with:
          version: ${{ matrix.emacs_version }}

      - name: Set up Eask
        uses: emacs-eask/setup-eask@master
        with:
          version: 'snapshot'

      - name: Install dependencies
        run: eask install-deps --dev

      - name: Byte-compile (warnings are errors)
        run: make compile

      - name: Run full test suite
        run: make test-all

  lint:
    name: Lint (advisory)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up Emacs
        uses: jcs090218/setup-emacs@master
        with:
          version: '29.4'

      - name: Set up Eask
        uses: emacs-eask/setup-eask@master
        with:
          version: 'snapshot'

      - name: Install dependencies
        run: eask install-deps --dev

      # Lint output is informational while the MELPA-prep backlog is being
      # worked through. Tighten to required once that backlog is clear.
      - name: package-lint
        continue-on-error: true
        run: eask lint package

      - name: checkdoc
        continue-on-error: true
        run: eask lint checkdoc

      - name: elisp-lint
        continue-on-error: true
        run: make lint

  coverage:
    name: Coverage
    runs-on: ubuntu-latest
    needs: test
    steps:
      - uses: actions/checkout@v4

      - name: Set up Emacs
        uses: jcs090218/setup-emacs@master
        with:
          version: '29.4'

      - name: Set up Eask
        uses: emacs-eask/setup-eask@master
        with:
          version: 'snapshot'

      - name: Install dependencies
        run: eask install-deps --dev

      - name: Generate coverage report
        run: make coverage

      - name: Upload to Coveralls
        uses: coverallsapp/github-action@v2
        with:
          file: .coverage/coveralls.json
          format: coveralls