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)/doctest src/

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