ci.yml

name: CI

on: [push, pull_request]


jobs:
  build:
    name: Build and test
    runs-on: ${{ matrix.os }}
    services:
      postgres:
        image: postgres:12.2
        env:
          POSTGRES_USER: admin
          POSTGRES_PASSWORD: password
          POSTGRES_DB: dev
        ports:
          - 5432:5432
    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
        ocaml-version:
          - 4.11.1

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

      - name: Retrieve opam cache
        uses: actions/cache@v2
        if: runner.os != 'Windows'
        id: cache-opam
        with:
          path: ~/.opam
          key: v1-${{ runner.os }}-opam-${{ matrix.ocaml-version }}-${{ hashFiles('pizza.opam.locked') }}
          restore-keys: |
            v1-${{ runner.os }}-opam-${{ matrix.ocaml-version }}-

      - name: Use OCaml ${{ matrix.ocaml-version }}
        uses: avsm/setup-ocaml@v1
        with:
          ocaml-version: ${{ matrix.ocaml-version }}

      - name: Update opam repository
        if: steps.cache-opam.outputs.cache-hit != 'true'
        run: opam update

      - name: Pin package
        run: opam pin add pizza.dev . --no-action

      - name: Query and install external dependencies
        run: opam depext pizza --yes --with-doc

      - name: Install dependencies
        if: steps.cache-opam.outputs.cache-hit != 'true'
        run: |
          opam install . --deps-only --with-doc --with-test --locked --unlock-base
          opam install ocamlformat --skip-updates

      - name: Upgrade dependencies
        run: opam upgrade --fixup
        if: steps.cache-opam.outputs.cache-hit == 'true'

      - name: Build
        run: make build

      - name: Check formatting
        run: make format

      - name: Run tests
        run: make test