stack.yml

name: stack
on:
  push:
    branches:
      - master
      - ci*
  pull_request:
    branches:
      - master
      - ci*

defaults:
  run:
    shell: bash

jobs:
  stack:
    name: ${{ matrix.os }} stack ${{ matrix.ghc }}
    runs-on: ${{ matrix.os }}
    timeout-minutes: 60
    strategy:
      fail-fast: false
      matrix:
        include:
        - os: ubuntu-latest
          ghc: 9.4.5
          resolver: nightly-2023-05-17
        - os: ubuntu-latest
          ghc: 9.2.7
          resolver: lts-20.21
        - os: ubuntu-latest
          ghc: 9.0.2
          resolver: lts-19.33
        - os: ubuntu-latest
          ghc: 8.10.7
          resolver: lts-18.28
        - os: ubuntu-latest
          ghc: 8.8.4
          resolver: lts-16.31
        - os: ubuntu-latest
          ghc: 8.6.5
          resolver: lts-14.27
        - os: ubuntu-latest
          ghc: 8.4.4
          resolver: lts-12.26
        - os: ubuntu-latest
          ghc: 8.2.2
          resolver: lts-11.22
        - os: ubuntu-latest
          ghc: 8.0.2
          resolver: lts-9.21

        # Fails due to upstream issue https://github.com/commercialhaskell/stack/issues/6124
        # - os: ubuntu-20.04
        #   ghc: 7.10.3
        #   resolver: lts-6.35

        # Can't install GHC 7.8.4 anymore on ubuntu runners
        # - os: ubuntu-18.04
        #   ghc: 7.8.4
        #   resolver: lts-2.22

    steps:

    - uses: actions/checkout@v3

    - name: Install GHC and stack with haskell-actions/setup
      uses: haskell-actions/setup@v2
      id:   setup
      with:
        ghc-version: ${{ matrix.ghc }}
        enable-stack: true
        cabal-update: false

    - name: Create stack.yaml
      run: |
        echo "resolver: ${{ matrix.resolver }}" > stack.yaml
        echo "packages: [.]" >> stack.yaml

    - uses: actions/cache@v3
      with:
        path: ${{ steps.setup.outputs.stack-root }}
        key: ${{ runner.os }}-stack-${{ steps.setup.outputs.stack-version }}-ghc-${{ steps.setup.outputs.ghc-version }}-resolver-${{ matrix.resolver }}
        restore-keys: ${{ runner.os }}-stack-${{ steps.setup.outputs.stack-version }}-ghc-${{ steps.setup.outputs.ghc-version }}-

    - name: Build dependencies
      run: stack build --system-ghc --dependencies-only

    - name: Build
      run: stack build --system-ghc

    - name: Run tests
      run: stack test --system-ghc