lint-and-format.yml

name: Lint and Format

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

permissions:
  contents: read

jobs:
  lint:
    name: Lint and Format Check
    runs-on: ubuntu-latest

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

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: '1.23'
        cache: true

    - name: Install dependencies
      run: |
        go mod download
        go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest

    - name: Run gofmt
      run: |
        # Check if gofmt reports any formatting issues
        if [ -n "$(gofmt -l .)" ]; then
          echo "The following files need formatting:"
          gofmt -l .
          echo ""
          echo "Please run 'gofmt -w .' to format your code"
          exit 1
        fi

    - name: Run go vet
      run: go vet ./...

    - name: Run golangci-lint
      run: golangci-lint run --timeout=5m

    - name: Run go mod tidy check
      run: |
        go mod tidy
        if [ -n "$(git status --porcelain)" ]; then
          echo "go mod tidy produced changes:"
          git diff
          echo ""
          echo "Please run 'go mod tidy' and commit the changes"
          exit 1
        fi