ci.yaml

name: CI

on: [push, pull_request]

jobs:
  validate:
    name: GHC ${{ matrix.ghc }}, Cabal ${{ matrix.cabal }}
    runs-on: ubuntu-20.04
    strategy:
      fail-fast: false
      matrix:
        ghc: ['8.10', '9.0', '9.2', '9.4', '9.6']
        cabal: ['3.4', '3.6']
    env:
      CONFIG: "--enable-tests --enable-doc --builddir=build/no-full-width-positions"
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2.3.4

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

      - name: Determine Dependencies
        run: |
          cabal update
          cabal freeze

      - name: Check Cache
        uses: actions/cache@v2
        with:
          path: |
            ~/.cabal/store
            build/no-full-width-positions
            build/full-width-positions
          key: ${{ runner.os }}-${{ matrix.ghc }}-${{ matrix.cabal }}-${{ hashFiles('cabal.project.freeze') }}
          restore-keys: |
            ${{ runner.os }}-${{ matrix.ghc }}-${{ matrix.cabal }}-

      - name: Build
        run: cabal build parsley $CONFIG

      - name: Test (-full-width-positions)
        run: |
          cabal test parsley-core $CONFIG
          cabal test parsley $CONFIG

      - name: Test (+full-width-positions)
        run: |
          rm cabal.project.freeze
          cabal test parsley-core --flag full-width-positions $CONFIG --builddir=build/full-width-positions
          cabal test parsley --flag full-width-positions $CONFIG --builddir=build/full-width-positions

      - name: Doc
        run: cabal haddock parsley $CONFIG