don't create runners manually.

go/qst.go

@@ -81,7 +81,7 @@ func main() {
	}
	log.Printf("command to run: `%s'", cmd)
	runner := &Runner{nil, cmd, false, *autoRestart}
	runner := MakeRunner(cmd, *autoRestart)
	go runCmd(file, runner)
	c := make(chan os.Signal, 1)
@@ -118,6 +118,10 @@ type Runner struct {
	restart  bool
}
func MakeRunner(shellCmd string, restart bool) *Runner {
	return &Runner{nil, shellCmd, false, restart}
}
func (r *Runner) Start() error {
	if r.started {
		return errors.New("already started, use Restart()")