build.yml

name: build

on:
  push:
    branches:
      - master
      - do-ci
  pull_request:
    branches: '*'

jobs:
  cabal:
    name: ${{ matrix.os }} / GHC ${{ matrix.ghc }} / Cabal ${{ matrix.cabal }}
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        os:
          - ubuntu-latest
        ghc:
          - '8.4'
          - '8.6'
          - '8.8'
          - '8.10'
        cabal:
          - 'latest'
          - '2.4'
        include:
          - os: macos-latest
            ghc: latest

    steps:
      - uses: actions/checkout@v2
      - uses: haskell/actions/setup@v1
        with:
          ghc-version: ${{ matrix.ghc }}
          cabal-version: ${{ matrix.cabal }}

      - uses: actions/cache@v2
        with:
          key: ${{ runner.os }}-${{ matrix.ghc }}-${{ github.sha }}
          path: ~/.cabal/store
          restore-keys: ${{ runner.os }}-${{ matrix.ghc }}-

      - run: cabal v2-update
        shell: bash

      - run: cabal v2-configure --enable-tests --enable-benchmarks # NOTE: --enable-tests is necessary due to https://github.com/haskell/cabal/issues/5079
        shell: bash

      - run: cabal v2-build all
        shell: bash

      - run: cabal v2-test all
        shell: bash
        env:
          HSPEC_OPTIONS: --color

  stack:
    strategy:
      matrix:
        resolver:
          - 'lts-16'
          - 'nightly'
    name: ubuntu-latest / Stack ${{ matrix.resolver }}
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - uses: haskell/actions/setup@v1
        with:
          enable-stack: true
          stack-version: latest
          stack-no-global: true

      - uses: actions/cache@v2
        with:
          key: ${{ runner.os }}-${{ matrix.resolver }}-${{ github.sha }}
          path: ~/.stack
          restore-keys: ${{ runner.os }}-${{ matrix.resolver }}-

      - run: stack --resolver ${{ matrix.resolver }} test --bench --no-run-benchmarks --haddock --no-haddock-deps
        shell: bash
        env:
          HSPEC_OPTIONS: --color

  success:
    needs:
      - cabal
      - stack
    runs-on: ubuntu-latest
    if: always() # this is required as GitHub considers "skipped" jobs as "passed" when checking branch protection rules

    steps:
      - run: false
        if: needs.cabal.result != 'success' && needs.stack.result != 'success'