ci.yml

name: CI

on:
  pull_request:
  push:
    branches: main

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

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        stack-yaml:
          - stack-nightly.yaml # ghc-9.4
          - stack.yaml # ghc-9.4
          - stack-lts-19.6.yaml # ghc-9.2
          - stack-lts-18.28.yaml # ghc-8.10
          - stack-lts-16.31.yaml # ghc-8.8
      fail-fast: false
    steps:
      - uses: actions/checkout@v4
      - uses: freckle/stack-action@v4
        with:
          stack-yaml: ${{ matrix.stack-yaml }}

  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: haskell/actions/hlint-setup@v2
      - uses: haskell/actions/hlint-run@v2
        with:
          fail-on: warning