on:
  release:
    types:
      - created
  pull_request:
    types:
      - opened
      - synchronize
      - reopened

name: Release (Linux)
jobs:
  build:
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        include:
          - arch:   amd64
            cc:     gcc

          - arch:   amd64
            cc:     gcc
            static: true

          - arch: arm64
            cc:   aarch64-linux-gnu-gcc

          - arch: arm64
            cc:   aarch64-linux-gnu-gcc
            static: true

          - arch: arm
            arm:  6
            cc:   arm-linux-gnueabi-gcc

          - arch: arm
            arm:  6
            cc:   arm-linux-gnueabi-gcc
            static: true

          - arch: arm
            arm:  7
            cc:   arm-linux-gnueabihf-gcc

          - arch: arm
            arm:  7
            cc:   arm-linux-gnueabihf-gcc
            static: true

    env:
      GOOS:   linux
      GOARCH: ${{ matrix.arch }}
      GOARM:  ${{ matrix.arm }}
      CC:     ${{ matrix.cc }}
      LDFLAGS: ${{ matrix.static && '-extldflags "-static"' || '' }}
      TAGS: ${{ matrix.static && 'osusergo,netgo,sqlite_omit_load_extension' || '' }}
      SUFFIX: "${{ matrix.static && '-static' || ''}}"
      VERSION: "${{ github.event_name == 'release' && github.event.release.name || github.sha }}"


    steps:
      - uses: actions/checkout@v2

      - uses: actions/setup-go@v2
        with:
          go-version: '1.17'

      - name: Install cross-compilers
        run: |
          sudo apt-get update 
          sudo apt-get install -y gcc-aarch64-linux-gnu gcc-arm-linux-gnueabihf gcc-arm-linux-gnueabi

      - name: Install nfpm
        run: |
          wget https://github.com/goreleaser/nfpm/releases/download/v2.2.3/nfpm_2.2.3_Linux_x86_64.tar.gz
          tar zxvf nfpm_2.2.3_Linux_x86_64.tar.gz

      - name: Build litestream
        run: |
          rm -rf dist && mkdir -p dist

          cp etc/litestream.yml etc/litestream.service dist
          cat etc/nfpm.yml | LITESTREAM_VERSION=${{ env.VERSION }} envsubst > dist/nfpm.yml

          CGO_ENABLED=1 go build -ldflags "-s -w ${{ env.LDFLAGS }} -X 'main.Version=${{ env.VERSION }}'" -tags "${{ env.TAGS }}" -o dist/litestream ./cmd/litestream

          cd dist
          tar -czvf litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.tar.gz litestream
          ../nfpm pkg --config nfpm.yml --packager deb --target litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.deb 

      - name: Upload binary artifact
        uses: actions/upload-artifact@v2
        with:
          name: litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.tar.gz
          path: dist/litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.tar.gz
          if-no-files-found: error

      - name: Upload debian artifact
        uses: actions/upload-artifact@v2
        with:
          name: litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.deb
          path: dist/litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.deb
          if-no-files-found: error

      - name: Upload release tarball
        uses: actions/upload-release-asset@v1.0.2
        if: github.event_name == 'release'
        env:
          GITHUB_TOKEN: ${{ github.token }}
        with:
          upload_url: ${{ steps.release.outputs.upload_url }}
          asset_path: ./dist/litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.tar.gz
          asset_name: litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.tar.gz
          asset_content_type: application/gzip

      - name: Upload debian package
        uses: actions/upload-release-asset@v1.0.2
        if: github.event_name == 'release'
        env:
          GITHUB_TOKEN: ${{ github.token }}
        with:
          upload_url: ${{ steps.release.outputs.upload_url }}
          asset_path: ./dist/litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.deb
          asset_name: litestream-${{ env.VERSION }}-${{ env.GOOS }}-${{ env.GOARCH }}${{ env.GOARM }}${{ env.SUFFIX }}.deb
          asset_content_type: application/octet-stream