ghc.yml

name: GHC (build, test, haddock)

# Controls when the workflow will run
on:
  push:
    branches: [master]
    tags: [v*]
  pull_request:
    branches: [master]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

permissions:
  contents: write # to submit Haddock documentation to GitHub Pages

jobs:
  build:
    name: "Build and test with GHC"
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]

    steps:
      - name: 📥 Checkout repository
        uses: actions/checkout@v4

      - name: 🧰 Setup Stack
        # FIXME use freckle/stack-action@v4 when https://github.com/freckle/stack-action/pull/31 is merged
        uses: deemp/stack-action@main
        with:
          fast: ${{ github.ref_name != 'master' }}
      
      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'
          cache: 'pip'
          
      - name: Check formatting
        shell: bash
        run: |
          pip install -r requirements.txt
          pre-commit run -c .pre-commit-checks.yaml fourmolu-check --all

      - uses: actions/setup-node@v4
        with:
          node-version: 20

      - uses: actions/setup-java@v4
        with:
          distribution: "zulu"
          java-version: 21

      - run: npm install -g eolang@0.15.1
      
      - run: ./pipeline.sh

  haddock:
    needs: [build]
    if: ${{ github.ref_name == 'master' }}
    name: "Build and upload Haddock documentation (master)"
    runs-on: ubuntu-latest

    steps:
      - name: 📥 Checkout repository
        uses: actions/checkout@v4

      - name: 🧰 Setup Stack
        uses: freckle/stack-action@v4
        with:
          test: false

      - name: 🔨 Build Haddock Documentation (with Stack)
        run: |
          stack haddock
          mkdir -p dist/haddock
          mv $(stack path --local-doc-root)/* dist/haddock

      - name: 🚀 Publish Haddock Documentation
        uses: JamesIves/github-pages-deploy-action@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          folder: dist/haddock
          target-folder: haddock
          single-commit: true