ci.yml

on: [pull_request]
name: build
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        ghc: ['8.4.4', '8.6.5', '8.8.4', '8.10.7', '9.0.2', '9.2.2', '9.4.2']
    name: Haskell GHC ${{ matrix.ghc }} cabal
    env:
      cabal_project_freeze: cabal.project.${{ matrix.ghc }}.freeze
    steps:
      - uses: actions/checkout@v2
      - uses: haskell/actions/setup@v2
        id: setup-haskell-build
        with:
          ghc-version: ${{ matrix.ghc }}
      - name: Cache Cabal build artifacts
        uses: actions/cache@v2
        with:
          path: |
            ${{ steps.setup-haskell-build.outputs.cabal-store }}
            dist-newstyle
          key: ${{ runner.os }}-cabal-${{ matrix.ghc }}-${{ hashFiles(env.cabal_project_freeze) }}
          restore-keys: |
            ${{ runner.os }}-cabal-${{ matrix.ghc }}
      - name: Cabal build dependencies
        run: |
          cabal build all  --enable-tests --only-dependencies --project-file=cabal.project.${{ matrix.ghc }}
      - name: Cabal build packages
        run: |
          cabal build all --enable-tests --project-file=cabal.project.${{ matrix.ghc }}
      - name: Cabal test
        run: |
          cabal test all --enable-tests --test-show-details=Always --project-file=cabal.project.${{ matrix.ghc }}