name: style-check
on:
  # Trigger the workflow on push or pull request,
  # but only for the master branch
  push:
    paths-ignore:
      - '**.md'
      - '**.png'
  pull_request:
    paths-ignore:
      - '**.md'
      - '**.png'
jobs:
  run:
    name: vet and gofmt
    strategy:
      matrix:
        go-version: [1.13.x, 1.14.x, 1.15.x]
    runs-on: ubuntu-latest
    steps:
      - name: Install Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ matrix.go-version }}
      # This step checks out a copy of your repository.
      - name: Checkout code
        uses: actions/checkout@v2
      - name: Go vet check
        run: |
          go vet ./...
      - name: Gofmt check
        run: |
          diff=`find . -name "*.go" | xargs gofmt -s -d`
          if [[ -n "${diff}" ]]; then
               echo "Gofmt check failed :"
               echo "${diff}"
               echo "Please run this command to fix: [find . -name "*.go" | xargs gofmt -s -w]"
               exit 1
          fi