name: build

on:
  workflow_dispatch:
  push:
    branches:
      - 'master'
      - '[0-9]+.[0-9]{2}'
    tags:
      - 'v*'
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        target:
          - cross
          - dynbinary-cross
    steps:
      -
        name: Checkout
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1
      -
        name: Run ${{ matrix.target }}
        uses: docker/bake-action@v1
        with:
          targets: ${{ matrix.target }}
      -
        name: Flatten artifacts
        working-directory: ./build
        run: |
          for dir in */; do
            base=$(basename "$dir")
            echo "Creating ${base}.tar.gz ..."
            tar -cvzf "${base}.tar.gz" "$dir"
            rm -rf "$dir"
          done
      -
        name: Upload artifacts
        uses: actions/upload-artifact@v2
        with:
          name: ${{ matrix.target }}
          path: ./build/*
          if-no-files-found: error