build-haskell.yml

name: Build cabal project
on:
  workflow_dispatch:
  pull_request:
    types:
      - synchronize
      - opened
      - reopened
  merge_group:
  push:
    branches:
      - main
  schedule:
    # Run once per day (at UTC 18:00) to maintain cache:
    - cron: 0 18 * * *
jobs:
  build:
    name: ${{ matrix.os }}-ghc-${{ matrix.ghc }}
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.allow-failure }}
    env:
      cabal-build-dir: b
    strategy:
      matrix:
        allow-failure:
          - false
        os:
          - ubuntu-latest
        cabal:
          - latest
        ghc:
          - 8.0.2
          - 8.2.2
          - 8.4.4
          - 8.6.5
          - 8.8.4
          - 8.10.7
          - 9.2.8
          - 9.4.7
          - 9.6.5
          - 9.8.2
          - 9.10.1
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Environment
        uses: haskell-actions/setup@v2
        id: setup-haskell-cabal
        with:
          ghc-version: ${{ matrix.ghc }}
          cabal-version: ${{ matrix.cabal }}

      - name: Configure
        run: >
          cabal configure
          --builddir=${{ env.cabal-build-dir }}
          --enable-tests
          --enable-benchmarks
          --enable-documentation
          --test-show-details=direct
          --write-ghc-environment-files=always

      - name: Freeze
        run: >
          cabal freeze
          --builddir=${{ env.cabal-build-dir }}

      - name: Cache
        uses: actions/cache@v3
        env:
          hash: ${{ hashFiles('cabal.project.freeze') }}
        with:
          key: ${{ matrix.os }}-ghc-${{ matrix.ghc }}-${{ env.hash }}
          restore-keys: |
            ${{ matrix.os }}-ghc-${{ matrix.ghc }}-
          path: |
            ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
            ${{ env.cabal-build-dir }}

      - name: Dependencies
        run: >
          cabal build all
          --builddir=${{ env.cabal-build-dir }}
          --only-dependencies

      - name: Build
        run: >
          cabal build all
          --builddir=${{ env.cabal-build-dir }}
          --enable-tests
          --enable-benchmarks
          --ghc-options=-Wall

      - name: Test
        run: >
          cabal test all
          --builddir=${{ env.cabal-build-dir }}

      - name: Benchmark
        run: >
          cabal bench all
          --builddir=${{ env.cabal-build-dir }}
          || true