func (t *HelpToolCommand) Init(args []string) error {
tool, err := cmd.ZeroOrOneArgs(args)
if err == nil {
t.tool = tool
}
return err
}
func (c *AddMachineCommand) Init(args []string) error {
if c.Constraints.Container != nil {
return fmt.Errorf("container constraint %q not allowed when adding a machine", *c.Constraints.Container)
}
placement, err := cmd.ZeroOrOneArgs(args)
if err != nil {
return err
}
c.Placement, err = instance.ParsePlacement(placement)
if err == instance.ErrPlacementScopeMissing {
placement = c.EnvName + ":" + placement
c.Placement, err = instance.ParsePlacement(placement)
}
if err != nil {
return err
}
return nil
}