cabal.yaml

on: [pull_request]
jobs:
  build:

    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        ghc: # should mirror current stable releases: https://www.haskell.org/ghc/download.html
          - '9.6'
          - '9.4'
          - '9.2'
        os: [ubuntu-latest, macOS-latest, windows-latest]

    steps:
    - uses: actions/checkout@v3
    - uses: haskell/actions/setup@v2 # https://github.com/haskell/actions/tree/main/setup#haskellactionssetup
      with:
        ghc-version: ${{ matrix.ghc }}

    - name: Cabal cache
      uses: actions/cache@v3
      env:
        cache-name: cache-cabal
      with:
        path: ~/.cabal
        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/*.cabal') }}-${{ hashFiles('**/cabal.project') }}
        restore-keys: |
          ${{ runner.os }}-build-${{ env.cache-name }}-
    - name: Cabal update
      run: cabal update
    - name: Build using cabal
      run: cabal build all
    - name: Test
      run: cabal test all