func quitquitquit()

in cmd/root.go [1195:1210]

• 14 lines of code
• 4 McCabe index (conditional complexity)

func quitquitquit(quitOnce *sync.Once, shutdownCh chan<- error) http.HandlerFunc {
	return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
		if req.Method != http.MethodPost && req.Method != http.MethodGet {
			rw.WriteHeader(400)
			return
		}
		quitOnce.Do(func() {
			select {
			case shutdownCh <- errQuitQuitQuit:
			default:
				// The write attempt to shutdownCh failed and
				// the proxy is already exiting.
			}
		})
	})
}