name: Builds

on:
  release:
    types: [created]

jobs:
  build:
    strategy:
      fail-fast: false
      matrix:
        ghc: ['8.8.3']
        os: [ubuntu-latest, macos-latest]
        include: # GHC 8.8.3 fails to install on Windows
          - ghc: '8.6.5'
            os: windows-latest

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v2

      - uses: actions/setup-haskell@v1.1.1
        with:
          ghc-version: ${{ matrix.ghc }}
          cabal-version: '3.2'

      - name: Cache Cabal
        uses: actions/cache@v1.2.0
        with:
          path: ~/.cabal
          key: ${{ runner.OS }}-${{ matrix.ghc }}-cabal-0

      - name: Build Myriad
        run: cabal build -O2 myriad:exe:myriad

      - name: Find Binary
        id: find_binary
        shell: bash
        run: |
          FOUND=$(find dist-newstyle \( -name 'myriad' -o -name 'myriad.exe' \) -type f)
          strip $FOUND
          gzip --best $FOUND
          echo ::set-output name=binary::$FOUND.gz

      - name: Upload Binary
        uses: actions/upload-release-asset@v1.0.2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ github.event.release.upload_url }}
          asset_path: ${{ steps.find_binary.outputs.binary }}
          asset_name: myriad-${{ github.event.release.name }}-${{ runner.OS }}-${{ matrix.ghc }}.gz
          asset_content_type: application/gzip