Exemplo n.º 1
0
Arquivo: cmd.go Projeto: jameinel/core
// RunCommandInDir works like RunCommand, but runs with a context that uses dir.
func RunCommandInDir(c *gc.C, com cmd.Command, args []string, dir string) (*cmd.Context, error) {
	if err := InitCommand(com, args); err != nil {
		return nil, err
	}
	var context = ContextForDir(c, dir)
	return context, com.Run(context)
}
Exemplo n.º 2
0
func helpText(command cmd.Command, name string) string {
	buff := &bytes.Buffer{}
	info := command.Info()
	info.Name = name
	f := gnuflag.NewFlagSet(info.Name, gnuflag.ContinueOnError)
	command.SetFlags(f)
	buff.Write(info.Help(f))
	return buff.String()
}
Exemplo n.º 3
0
func runCommand(ctx *cmd.Context, com cmd.Command, args ...string) (opc chan dummy.Operation, errc chan error) {
	if ctx == nil {
		panic("ctx == nil")
	}
	errc = make(chan error, 1)
	opc = make(chan dummy.Operation, 200)
	dummy.Listen(opc)
	go func() {
		// signal that we're done with this ops channel.
		defer dummy.Listen(nil)

		err := coretesting.InitCommand(com, args)
		if err != nil {
			errc <- err
			return
		}

		err = com.Run(ctx)
		errc <- err
	}()
	return
}
Exemplo n.º 4
0
Arquivo: cmd.go Projeto: jameinel/core
// InitCommand will create a new flag set, and call the Command's SetFlags and
// Init methods with the appropriate args.
func InitCommand(c cmd.Command, args []string) error {
	f := NewFlagSet()
	c.SetFlags(f)
	if err := f.Parse(c.AllowInterspersedFlags(), args); err != nil {
		return err
	}
	return c.Init(f.Args())
}