ci.yml

name: CI

on: [push, pull_request]

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    name: Build
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          # - windows-latest
          # It seems like dune 3.8 isn't available under opam-repository-mingw for Windows
          # disabling this for now

        ocaml-compiler:
          - 4.14.x

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

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Load opam cache when not Windows
        if: runner.os != 'Windows'
        id: opam-cache
        uses: actions/cache/restore@v3
        with:
          path: ~/.opam
          key: opam-${{ matrix.os }}-${{ matrix.ocaml-compiler }}-${{ hashFiles('**.opam') }}

      - name: Load opam cache when Windows
        if: runner.os == 'Windows'
        id: opam-cache-windows
        uses: actions/cache/restore@v3
        with:
          path: _opam
          key: opam-${{ matrix.os }}-${{ matrix.ocaml-compiler }}-${{ hashFiles('**.opam') }}

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

      - name: Use Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 18

      - name: Install dependencies
        run: make install

      - name: Build
        run: make build

      - name: Test
        run: make test

      - name: Save cache when not Windows
        uses: actions/cache/save@v3
        if: steps.opam-cache.outputs.cache-hit != 'true' && runner.os != 'Windows'
        with:
          path: ~/.opam
          key: opam-${{ matrix.os }}-${{ matrix.ocaml-compiler }}-${{ hashFiles('**.opam') }}

      - name: Save cache when Windows
        uses: actions/cache/save@v3
        if: steps.opam-cache-windows.outputs.cache-hit != 'true' && runner.os == 'Windows'
        with:
          path: _opam
          key: opam-${{ matrix.os }}-${{ matrix.ocaml-compiler }}-${{ hashFiles('**.opam') }}