name: Build macOS Package

on:
  push: # testing until merged into master
  workflow_dispatch:

jobs:
  build:
    name: Build on ${{ matrix.os }}
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [macos-10.15]
        ghc: ["8.6.5"]
        cabal: ["2.4"]

    steps:
    - uses: actions/checkout@v2

    - name: Setup Haskell
      uses: actions/setup-haskell@v1
      id: setup-haskell-cabal
      with:
        ghc-version: ${{ matrix.ghc }}
        cabal-version: ${{ matrix.cabal }}

    - name: Install build tools
      run: |
        brew install \
          automake
        cabal v1-install alex happy

    - name: Build macOS package
      run: |
        sudo mkdir -p /Library/Java/Home
        sudo ln -s /usr/local/opt/openjdk/include /Library/Java/Home/include
        make pkg

    - name: Upload artifact
      uses: actions/upload-artifact@v2
      with:
        name: gf-${{ github.sha }}-macos
        path: dist/gf-*.pkg
        if-no-files-found: error