name: build

on:
  push:
    branches:
      - master
    tags:
      - "v*"
  pull_request:

jobs:
  prepare-release:
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    steps:
      - name: Clone project
        uses: actions/checkout@v2

      - name: Build changelog
        id: build_changelog
        uses: mikepenz/release-changelog-builder-action@v1
        with:
          configuration: .github/changelog_conf.json
          failOnError: true
          ignorePreReleases: true
          commitMode: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Create release
        uses: softprops/action-gh-release@v1
        with:
          body: ${{ steps.build_changelog.outputs.changelog }}
          files: |
            LICENSE
          fail_on_unmatched_files: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  build:
    name: build-${{ matrix.os }}
    if: always()
    needs: prepare-release
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-20.04
            cache_path: ~/.stack
            stack_args: "--test"
            artifact_rel_path: /bin/dog-food
            asset_name: dog-food-ubuntu-20_04-x86-64
          - os: ubuntu-18.04
            cache_path: ~/.stack
            stack_args: "--test"
            artifact_rel_path: /bin/dog-food
            asset_name: dog-food-ubuntu-18_04-x86-64
          - os: macos-latest
            cache_path: ~/.stack
            stack_args: "--test"
            artifact_rel_path: /bin/dog-food
            asset_name: dog-food-macos-x86-64
          # TODO enable tests for windows once fixed (remove stack_args altogether)
          - os: windows-latest
            cache_path: C:/sr
            stack_args: ""
            artifact_rel_path: /bin/dog-food.exe
            asset_name: dog-food-windows-x86-64
    steps:
      - name: Clone project
        uses: actions/checkout@v2

      - name: Setup Stack
        uses: haskell/actions/setup@v1
        with:
          ghc-version: '8.8.4'
          enable-stack: true
          stack-version: 'latest'

      - name: Cache dependencies
        uses: actions/cache@v2
        with:
          path: ${{ matrix.cache_path }}
          key: ${{ matrix.os }}-${{ hashFiles('stack.yaml') }}

      - name: Build & test
        id: build_test
        run: |
          stack build ${{ matrix.stack_args }}
          echo "::set-output name=LOCAL_INSTALL_ROOT::$(stack path --local-install-root)"

      - name: Upload binaries to release
        if: startsWith(github.ref, 'refs/tags/v')
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: ${{ steps.build_test.outputs.LOCAL_INSTALL_ROOT }}${{ matrix.artifact_rel_path }}
          asset_name: ${{ matrix.asset_name }}
          tag: ${{ github.ref }}