main.yml

on: [push]
name: Build and test
jobs:
  build:
    name: Build on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    steps:
      - name: Check out
        uses: actions/checkout@v2

      - name: Cache GHC installation
        uses: actions/cache@v4
        id: ghcup
        with:
          path: |
            ~/.ghcup/bin/*
            ~/.ghcup/cache/*
            ~/.ghcup/config.yaml
            ~/.ghcup/ghc/*
          key: CI-ghcup

      - name: Setup Haskell
        uses: haskell-actions/setup@v2
        if: steps.ghcup.outputs.cache-hit != 'true'
        with:
          enable-stack: true

      - name: Cache Stackage package index
        id: pantry
        uses: actions/cache@v4
        with:
          path: ~/.stack/pantry
          key: CI-pantry-${{ env.STACK_LTS }}

      - name: Recompute Stackage package index
        if: steps.pantry.outputs.cache-hit != 'true'
        run: stack update

      - name: Cache Haskell dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.stack/stack.sqlite3
            ~/.stack/snapshots
          key: CI-testdeps--${{ env.STACK_LTS }}--${{ hashFiles('stack.yaml.lock') }}
          restore-keys: |
            CI-testdeps--${{ env.STACK_LTS }}--
            CI-testdeps--

      - name: Cache Haskell project buildstate
        uses: actions/cache@v4
        with:
          path: .stack-work
          key: CI-builddir--${{ env.GHC_VERSION }}

      - name: Build package dependencies
        run: |
          stack build --no-run-tests --no-run-benchmarks --only-dependencies

      - name: Build package
        run: |
          stack build --no-run-tests --no-run-benchmarks

      - name: Build testing dependencies
        run: |
          stack build --no-run-tests --no-run-benchmarks --test --bench

      - name: Run tests
        run: |
          stack build --test --no-run-benchmarks

      - name: Build documentation
        run: |
          stack haddock

      - name: Check documentation
        run: |
          stack install doctest
          $(stack path --local-bin)${path.sep}doctest src/

      - name: Deploy
        run: |
          stack path --local-install-root