Function Update

source/command.go:13–23

here is the command implementation of the source Check if there is support registry

(updateChan chan string)

// Check if there is support registry
func Update(updateChan chan string) error {

	managers := GetAllRegisteredApp()
	res := make(map[string]string)
	for name, manager := range managers {
		res[name], _ = manager.GetCurrRegistry()
		updateChan <- name + " is updated"
	}
	localdata.SaveToBackup(res)
	return nil
}

func ChangeAllRegistry(region string, updateChan chan string) error {
	rs, err := GetRemoteRegistrySources()