Method traverse

watch.go:221–246

(calls []*Call, yield traverseFunc)

type traverseFunc func(*ast.Task) error

func (e *Executor) traverse(calls []*Call, yield traverseFunc) error {
	for _, c := range calls {
		task, err := e.CompiledTask(c)
		if err != nil {
			return err
		}
		for _, dep := range task.Deps {
			if dep.Task != "" {
				if err := e.traverse([]*Call{{Task: dep.Task, Vars: dep.Vars}}, yield); err != nil {
					return err
				}
			}
		}
		for _, cmd := range task.Cmds {
			if cmd.Task != "" {
				if err := e.traverse([]*Call{{Task: cmd.Task, Vars: cmd.Vars}}, yield); err != nil {
					return err
				}
			}
		}
		if err := yield(task); err != nil {
			return err
		}
	}
	return nil
}