name: CI
on:
  push:
    branches: [main]
    tags: ['v*']
  pull_request:
concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true
jobs:
  # Each OS runs its own native watcher: inotify, kqueue, ReadDirectoryChangesW.
  test:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
      - run: go vet ./...
      - run: go test -race -count=1 ./...
  # The BSDs have no hosted runner: check that kqueue builds there.
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
      - run: |
          for target in freebsd/amd64 openbsd/amd64 netbsd/amd64 dragonfly/amd64 \
              windows/386 windows/arm64 js/wasm wasip1/wasm plan9/amd64 solaris/amd64; do
            GOOS=${target%/*} GOARCH=${target#*/} go vet ./... || exit 1
          done