ci.yml

name: CI

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

jobs:
  test:
    name: Test (Go ${{ matrix.go }})
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        go: ['1.22', '1.23']
    steps:
      - uses: actions/checkout@v4

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ matrix.go }}

      - name: Verify go.mod is tidy
        run: |
          go mod tidy
          git diff --exit-code -- go.mod

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

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

      - name: Build
        run: go build ./...

      - name: Test with race detector
        run: go test -race -count=1 ./...