name: compat

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  run:
    name: build
    strategy:
      fail-fast: true
      matrix:
        os:
            - ubuntu-latest
        ocaml-compiler:
            - '4.03.x'
            - '4.06.x'
            - '4.07.x'
            - '4.08.x'
            - '4.13.x'

    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@main
      - name: Use OCaml ${{ matrix.ocaml-compiler }}
        uses: ocaml/setup-ocaml@v2
        with:
          ocaml-compiler: ${{ matrix.ocaml-compiler }}

      - run: opam pin -n .
      - run: opam depext -y containers containers-data containers-thread
      - run: opam install containers containers-data containers-thread --deps-only
      - run: opam exec -- dune build '@install'