ci.yml

name: CI

# Trigger the workflow on push or pull request, but only for the master branch
on:
  pull_request:
  push:
    branches:
      - master

jobs:
  cabal:
    name: cabal / ghc-${{ matrix.ghc }} / ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os:
          # ubuntu-22.04 (currently ubuntu-latest) appears to not be able to
          # install ghc-8.2.2 with ghcup. Possibly because of
          # https://github.com/haskell/actions/issues/133.
          # TODO: Need to look into what is going on here, and try upgrading
          # back to ubuntu-latest at some point.
          # - ubuntu-latest
          - ubuntu-20.04

          # OSX builds were flakey at some point in the past, so we disabled
          # them.  pretty-simple doesn't have any interesting system-level
          # dependencies, so it is probably okay we aren't testing on OSX.
          # - macOS-latest
        cabal:
          - "3.12.1.0"
        ghc:
          - "8.0.2"
          - "8.2.2"
          - "8.4.4"
          - "8.6.5"
          - "8.8.4"
          - "8.10.7"
          - "9.0.2"
          - "9.2.4"
          - "9.4.8"
          - "9.6.6"
          - "9.8.4"
          - "9.10.1"

    steps:
    - uses: actions/checkout@v2
      #if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/master'

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

    - uses: actions/cache@v1
      name: Cache cabal-store
      with:
        path: ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
        key: ${{ runner.os }}-${{ matrix.ghc }}-cabal

    - name: Build
      run: |
        cabal update
        # TODO: We have a problem where cabal is not able to come up with a
        # build plan on GHC-9.2 because the ./cabal.project file defines both
        # pretty-simple, and ./web as packages. ./web uses a version of jsaddle
        # that doesn't seem to work yet on GHC-9.2.  It doesn't seem possible
        # to tell cabal to just ignore the web package, and only run the solver
        # for pretty-simple.
        #
        # This hacky workaround just deletes the cabal.project file, so that
        # cabal doesn't realize there is another package in ./web.
        #
        # This workaround can likely be removed when we move to a more recent
        # version of jsaddle.
        rm ./cabal.project
        cabal build package:pretty-simple --enable-tests --enable-benchmarks --write-ghc-environment-files=always --flags="buildexample"

    - name: Install doctest
      run: |
        cabal install --ignore-project doctest --flag cabal-doctest
        echo "$HOME/.cabal/bin" >> $GITHUB_PATH

    - name: Test
      run: |
        cabal doctest

  stack:
    name: stack / ubuntu-latest
    runs-on: ubuntu-latest
    strategy:
      matrix:
        stack: ["latest"]

    steps:
    - uses: actions/checkout@v2
      #if: github.event.action == 'opened' || github.event.action == 'synchronize' || github.event.ref == 'refs/heads/master'

    - uses: haskell/actions/setup@v2
      name: Setup Haskell Stack
      with:
        stack-version: ${{ matrix.stack }}
        enable-stack: true

    - uses: actions/cache@v1
      name: Cache ~/.stack
      with:
        path: ~/.stack
        key: ${{ runner.os }}-stack

    - name: Build
      run: |
        stack build --test --bench --no-run-tests --no-run-benchmarks --flag pretty-simple:buildexample

  nix-build-web:
    name: Nix build GHCJS web
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: cachix/install-nix-action@v16
        with:
          extra_nix_config: |
            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= miso-haskell.cachix.org-1:6N2DooyFlZOHUfJtAx1Q09H0P5XXYzoxxQYiwn6W1e8=
            substituters = https://cache.nixos.org/ https://miso-haskell.cachix.org
      - name: Build web
        run: nix-build ./web