build.yml

---
name: build

on: push

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

jobs:
  haskell:
    strategy:
      matrix:
        ghc:
          - "9.6.1"
          - "8.10"
          - "8.4.3"
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install Haskell tooling
        uses: haskell-actions/setup@v2
        with:
          ghc-version: ${{ matrix.ghc }}
          cabal-version: "3.6"

      - name: Configure project
        run: cabal configure --enable-tests

      - name: Freeze dependencies
        run: cabal freeze

      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.cabal/package
            ~/.cabal/store
            dist-newstyle
          key: ${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}
          restore-keys: ${{ matrix.ghc }}-

      - name: Build
        run: cabal build

      - name: Run tests
        run: cabal test