lint.yml

name: lint
on: [push, pull_request]

permissions:
  contents: read
  pull-requests: read

jobs:
  golangci:
    name: lint
    runs-on: ubuntu-latest
    steps:
      - name: Install Go
        uses: actions/setup-go@v4
        with:
          go-version: 1.19.9

      - uses: actions/checkout@v4
      - name: golangci-lint
        uses: golangci/golangci-lint-action@v3
        with:
          only-new-issues: true

  tidy:
    name: Remain 'go mod tidy'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Install Go
        uses: actions/setup-go@v4
        with:
          go-version: 1.21.x
      - name: Verify tidyness
        run: |
          go mod tidy
          if ! git diff --quiet go.mod go.sum; then
            echo "'go mod tidy' resulted in changes:"
            git diff go.mod go.sum
            echo "Please commit these changes."
          fi