Method WaitFor

tools/bash/background.go:208–237

(taskID string, timeout time.Duration)

	task.Status = "cancelled"
	task.EndTime = float64Ptr(nowSeconds())
	m.mu.Unlock()
	terminateProcessTree(running.Cmd)
	running.Cancel()
	select {
	case <-running.Done:
	case <-time.After(5 * time.Second):
		if running.Cmd.Process != nil {
			_ = running.Cmd.Process.Kill()
		}
	}

	m.mu.Lock()
	delete(m.running, taskID)
	m.mu.Unlock()
	return true
}

func (m *BackgroundManager) WaitFor(taskID string, timeout time.Duration) *BackgroundTask {
	m.mu.Lock()
	task := m.tasks[taskID]
	if task == nil {
		m.mu.Unlock()
		return nil
	}
	if task.Status != "running" {
		m.mu.Unlock()
		return task
	}
	running := m.running[taskID]
	m.mu.Unlock()
	if running == nil {
		return task
	}