Ejemplo n.º 1
0
func (t *HelpToolCommand) Init(args []string) error {
	tool, err := cmd.ZeroOrOneArgs(args)
	if err == nil {
		t.tool = tool
	}
	return err
}
Ejemplo n.º 2
0
func (s *CmdSuite) TestZeroOrOneArgs(c *gc.C) {

	expectValue := func(args []string, expected string) {
		arg, err := cmd.ZeroOrOneArgs(args)
		c.Assert(arg, gc.Equals, expected)
		c.Assert(err, gc.IsNil)
	}

	expectValue(nil, "")
	expectValue([]string{}, "")
	expectValue([]string{"foo"}, "foo")

	arg, err := cmd.ZeroOrOneArgs([]string{"foo", "bar"})
	c.Assert(arg, gc.Equals, "")
	c.Assert(err, gc.ErrorMatches, `unrecognized args: \["bar"\]`)
}
Ejemplo n.º 3
0
func (c *GetEnvironmentCommand) Init(args []string) (err error) {
	if err := c.EnvCommandBase.EnsureEnvName(); err != nil {
		return err
	}
	c.key, err = cmd.ZeroOrOneArgs(args)
	return
}
Ejemplo n.º 4
0
func (c *AddMachineCommand) Init(args []string) error {
	if err := c.EnvCommandBase.EnsureEnvName(); err != nil {
		return err
	}
	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.EnvironName() + ":" + placement
		c.Placement, err = instance.ParsePlacement(placement)
	}
	if err != nil {
		return err
	}
	return nil
}
Ejemplo n.º 5
0
func (c *SwitchCommand) Init(args []string) (err error) {
	c.EnvName, err = cmd.ZeroOrOneArgs(args)
	return
}