name: CI

on:
  push:
    branches: [ master ]
    tags: [ '*' ]
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        channel: [stable]
        target:
          # https://doc.rust-lang.org/nightly/rustc/platform-support.html
          - x86_64-unknown-linux-gnu
          - aarch64-unknown-linux-gnu
          - armv7-unknown-linux-gnueabihf # rpi

          - x86_64-unknown-linux-musl
          - aarch64-unknown-linux-musl
          - armv7-unknown-linux-musleabihf # rpi

          - x86_64-unknown-freebsd
          # - aarch64-unknown-freebsd <- std not precompiled

    steps:
      - uses: actions/checkout@v2

      - uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.channel }}
          target: ${{ matrix.target }}
          override: true

      - run: cargo install --git https://github.com/cross-rs/cross.git # cross in crates.io is too old

      - name: Build
        continue-on-error: ${{ matrix.channel != 'stable' }}
        run: cross build --release --target ${{ matrix.target }}

      - name: Rename binary
        run: mv target/${{ matrix.target }}/release/prometheus_wireguard_exporter prometheus_wireguard_exporter_${{ matrix.target }}

      - uses: actions/upload-artifact@v2
        if: ${{ matrix.channel == 'stable' }}
        with:
          name: prometheus_wireguard_exporter_${{ matrix.target }}
          path: prometheus_wireguard_exporter_${{ matrix.target }}

      - uses: alexellis/upload-assets@0.3.0
        if: startsWith(github.ref, 'refs/tags/')
        env:
          GITHUB_TOKEN: ${{ github.token }}
        with:
          asset_paths: '["prometheus_wireguard_exporter_${{ matrix.target }}"]'