build.yml

name: build

on:
  pull_request:
  push:
  schedule:
    # Prime the caches every Monday
    - cron: 0 1 * * MON

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
        ocaml-compiler:
          - 4.04.x
          - 4.05.x
          - 4.06.x
          - 4.07.x
          - 4.08.x
          - 4.09.x
          - 4.10.x
          - 4.11.x
        skip-test:
          - true
        include:
          - os: ubuntu-latest
            ocaml-compiler: 4.12.x
            skip-test: false
          - os: macos-latest
            ocaml-compiler: 4.12.x
            skip-test: false
          - os: windows-latest
            ocaml-compiler: 4.12.x
            skip-test: false
          # beta version
          - os: ubuntu-latest
            ocaml-compiler: ocaml-base-compiler.4.13.0~rc2
            skip-test: false

    runs-on: ${{ matrix.os }}

    steps:
      - name: Set git to use LF
        run: |
          git config --global core.autocrlf false
          git config --global core.eol lf

      - name: Checkout code
        uses: actions/checkout@v2

      - name: Use Node.js 16.x
        uses: actions/setup-node@v2
        with:
          node-version: 16.x

      - name: Set opam repository url
        id: repository
        shell: bash
        run: |
          if [ "$RUNNER_OS" == "Windows" ]; then
            echo "::set-output name=default-url::default: https://github.com/fdopen/opam-repository-mingw.git#opam2"
          else
            echo "::set-output name=default-url::default: https://github.com/ocaml/opam-repository.git"
          fi

          if [[ "${{ matrix.ocaml-compiler }}" =~ 4.13 ]]; then
            echo "::set-output name=beta-url::beta: https://github.com/ocaml/ocaml-beta-repository.git"
          else
            echo "::set-output name=beta-url::"
          fi

      - name: Use OCaml ${{ matrix.ocaml-compiler }}
        uses: ocaml/setup-ocaml@v2
        with:
          ocaml-compiler: ${{ matrix.ocaml-compiler }}
          dune-cache: true
          opam-depext: ${{ !matrix.skip-test }}
          opam-depext-flags: --with-test
          opam-repositories: |
            ${{ steps.repository.outputs.default-url }}
            ${{ steps.repository.outputs.beta-url }}

      - run: opam install . --best-effort
        if: ${{ matrix.skip-test }}

      - run: opam install . --with-test
        if: ${{ !matrix.skip-test }}

      - run: opam exec -- make all
        if: ${{ !matrix.skip-test }}

      - run: opam exec -- make tests
        if: ${{ !matrix.skip-test }}

  lint-fmt:
    strategy:
      matrix:
        ocaml-compiler:
          - 4.12.x

    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Use OCaml ${{ matrix.ocaml-compiler }}
        uses: ocaml/setup-ocaml@v2
        with:
          ocaml-compiler: ${{ matrix.ocaml-compiler }}
          dune-cache: true

      - run: opam depext ocamlformat=$(cat .ocamlformat | grep version | cut -d '=' -f 2) --install

      - run: opam exec -- dune build @fmt