name: build

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v2
        with:
          version: v1.29
          args: --issues-exit-code=0 # do not fail ci
          only-new-issues: true
  test:
    strategy:
      matrix:
        go-version: [1.16.x, 1.17.x]
        os: [ubuntu-latest, macos-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Checkout git ref
        uses: actions/checkout@v2

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go-version }}

      - name: Set up cache
        uses: actions/cache@v2
        with:
          # In order:
          # * Module download cache
          # * Build cache (Linux)
          # * Build cache (Mac)
          # * Build cache (Windows)
          path: |
            ~/go/pkg/mod
            ~/.cache/go-build
            ~/Library/Caches/go-build
            %LocalAppData%\go-build
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Build
        run: go build -v ./...

      - name: Test
        run: go test -v ./...