Hide advanced commands from cipd client help.

grpc/cmd/rpc/main.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package main
 
 import (
         "fmt"
         "os"
 
@@ skipping 102 matching lines @@
 var application = &cli.Application{
         Name:  "rpc",
         Title: "Remote Procedure Call CLI",
         Context: func(ctx context.Context) context.Context {
                 return logCfg.Use(ctx)
         },
         Commands: []*subcommands.Command{
                 cmdCall,
                 cmdShow,
                 cmdFmt,
-                authcli.SubcommandLogin(auth.Options{}, "login"),
-                authcli.SubcommandLogout(auth.Options{}, "logout"),
+                authcli.SubcommandLogin(auth.Options{}, "login", false),
+                authcli.SubcommandLogout(auth.Options{}, "logout", false),
                 subcommands.CmdHelp,
         },
 }
 
 func main() {
         os.Exit(subcommands.Run(application, os.Args[1:]))
 }