name: test-and-lint

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

jobs:
  test-and-lint:
    runs-on: go-1.26

    steps:
      - uses: actions/checkout@v4

      - name: Check formatting
        run: |
          files="$(gofmt -l .)"
          if [ -n "$files" ]; then
            echo "$files"
            exit 1
          fi

      - name: Check modules
        run: |
          go mod tidy
          git diff --exit-code go.mod go.sum

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

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