haskell-ci.yml

name: Haskell CI

on:
  workflow_dispatch:
  pull_request:
    types: [synchronize, opened, reopened]
  push:
    branches: [main]
  #schedule:
    # additionally run once per week (At 00:00 on Sunday) to maintain cache
    # - cron: '0 0 * * 0'



jobs:

  stack:
    name: stack / ghc ${{ matrix.ghc }}
    runs-on: ubuntu-latest

    # Service containers to run with `runner-job`
    services:
      # Label used to access the service container
      postgres:
        # Docker Hub image
        image: postgres
        # Provide the password for postgres
        env:
          POSTGRES_PASSWORD: admin
        # Set health checks to wait until postgres has started
        options: >-
          --health-cmd pg_isready
          --health-interval 10s
          --health-timeout 5s
          --health-retries 5
        ports:
          # Maps tcp port 5432 on service container to the host port 5431
          - 5431:5432

    strategy:
      matrix:
        stack: ["latest"]
        ghc: ["9.2", "9.4", "9.6", "9.8"]

    steps:
    - uses: actions/checkout@v4

    - uses: haskell-actions/setup@v2
      name: Setup Haskell Stack
      with:
        ghc-version: ${{ matrix.ghc }}
        stack-version: ${{ matrix.stack }}
        cabal-version: '3.6'

    - uses: actions/cache@v4
      name: Cache ~/.stack
      with:
        path: ~/.stack
        key: ${{ runner.os }}-${{ matrix.ghc }}-stack

    - name: Install dependencies
      run: |
        stack build --system-ghc --test --bench --no-run-tests --no-run-benchmarks --only-dependencies

    - name: Build
      run: |
        stack build --system-ghc --test --bench --no-run-tests --no-run-benchmarks

    - name: Test
      run: |
        stack test --system-ghc --coverage

    - name: Install & run hpc-CodeCov
      run: |
        stack install hpc-codecov
        hpc-codecov stack:all -o codecov.json
        

    - name: Upload coverage reports to Codecov
      uses: codecov/codecov-action@v4
      env:
          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}