build.yml

name: Build
on: [push, pull_request]
jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - name: Install Go
        uses: actions/setup-go@v4
        with:
          go-version: 1.20.x

      - name: Install tools
        run: |
          go install golang.org/x/tools/cmd/goimports@latest
          go install honnef.co/go/tools/cmd/staticcheck@latest

      - name: Checkout code
        uses: actions/checkout@v4

      - uses: actions/cache@v3
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-build-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-build-

      - name: Verify code formatting
        run: |
          test -z "$(set -o pipefail && goimports -l -d . | tee goimports.out)" || { cat goimports.out && exit 1; }

      - name: Lint
        run: |
          go vet ./...
          staticcheck ./...

  test:
    strategy:
      matrix:
        go: ['1.18', '1.19', '1.20']
    name: test @ Go ${{ matrix.go }}
    runs-on: ubuntu-latest
    steps:
    - name: Install Go
      uses: actions/setup-go@v4
      with:
        go-version: ${{ matrix.go }}

    - name: Checkout code
      uses: actions/checkout@v4

    - uses: actions/cache@v3
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-build-${{ hashFiles('**/go.sum') }}
        restore-keys: |
          ${{ runner.os }}-build-

    - name: Test
      run: go test -v -coverprofile=profile.cov ./...

    - name: Send coverage
      uses: shogo82148/actions-goveralls@v1
      with:
        path-to-profile: profile.cov
        flag-name: Go-${{ matrix.go }}
        parallel: true

  finish:
    needs: test
    runs-on: ubuntu-latest
    steps:
      - uses: shogo82148/actions-goveralls@v1
        with:
          parallel-finished: true