ci.yml

name: CI

on:
  pull_request:
  push:
    branches:
      - master
  release:
    types:
      - published

jobs:
  build-and-test:
    strategy:
      fail-fast: false
      matrix:
        os:
          - macos-13 # Intel (x86_64)
          - macos-latest # M1 (aarch64)
          - ubuntu-latest
          - windows-latest
        ocaml-compiler:
          - 4.03.x
          - 4.04.x
          - 4.05.x
          - 4.06.x
          - 4.07.x
          - 4.08.x
          - 4.09.x
          - 4.10.x
          - 4.11.x
          - 4.12.x
          - 4.13.x
          - 4.14.x
          - 5.0.x
          - 5.1.x
          - 5.2.x
          - 5.3.x
          - 5.4.x
        exclude:
          # See https://github.com/ocaml/setup-ocaml?tab=readme-ov-file#ocaml-compiler-support-matrix
          - os: macos-latest
            ocaml-compiler: 4.03.x
          - os: macos-latest
            ocaml-compiler: 4.04.x
          - os: macos-latest
            ocaml-compiler: 4.05.x
          - os: macos-latest
            ocaml-compiler: 4.06.x
          - os: macos-latest
            ocaml-compiler: 4.07.x
          - os: macos-latest
            ocaml-compiler: 4.08.x
          - os: macos-latest
            ocaml-compiler: 4.09.x
          - os: macos-latest
            ocaml-compiler: 4.11.x
          - os: windows-latest
            ocaml-compiler: 4.03.x
          - os: windows-latest
            ocaml-compiler: 4.04.x
          - os: windows-latest
            ocaml-compiler: 4.05.x
          - os: windows-latest
            ocaml-compiler: 4.06.x
          - os: windows-latest
            ocaml-compiler: 4.07.x
          - os: windows-latest
            ocaml-compiler: 4.08.x
          - os: windows-latest
            ocaml-compiler: 4.09.x
          - os: windows-latest
            ocaml-compiler: 4.10.x
          - os: windows-latest
            ocaml-compiler: 4.11.x
          - os: windows-latest
            ocaml-compiler: 4.12.x
    runs-on: ${{ matrix.os }}
    steps:
      - name: Check out code
        uses: actions/checkout@v4
      - name: Use OCaml ${{ matrix.ocaml-compiler }}
        uses: ocaml/setup-ocaml@v3
        with:
          ocaml-compiler: ${{ matrix.ocaml-compiler }}
      - run: opam install . --deps-only --with-test
      - run: opam exec -- dune build
      - run: opam exec -- dune runtest
  build-and-push-image:
    runs-on: ubuntu-latest
    needs:
      - build-and-test
    permissions:
      contents: read
      packages: write
    env:
      IMAGE_NAME: ${{ github.repository }}
      REGISTRY: ghcr.io
    steps:
      - name: Check out code
        uses: actions/checkout@v4
      - name: Log in to the GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          flavor: latest=false
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
            type=schedule,pattern=nightly,enable=true,priority=1000
            type=ref,event=branch,enable=true,priority=600
            type=ref,event=tag,enable=true,priority=600
            type=ref,event=pr,prefix=pr-,enable=true,priority=600
      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: .
          push: ${{ github.ref == 'refs/heads/master' || startsWith(github.ref, 'refs/tags/') }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}