| // Copyright 2015 The Vanadium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package main |
| |
| import ( |
| "flag" |
| "fmt" |
| "os" |
| |
| "v.io/x/lib/cmdline" |
| ) |
| |
| var ( |
| testFlag flag.Getter |
| ) |
| |
| func main() { |
| os.Exit(root().Main()) |
| } |
| |
| func init() { |
| os.Setenv("TEST", "HELLO") |
| testFlag = cmdline.EnvFlag("${TEST}") |
| cmdRoot.Flags.Var(testFlag, "test", "test flag") |
| } |
| |
| // root returns a command that represents the root of the v23 tool. |
| func root() *cmdline.Command { |
| return cmdRoot |
| } |
| |
| // cmdRoot represents the root of the test command. |
| var cmdRoot = &cmdline.Command{ |
| Run: runRoot, |
| Name: "test", |
| Short: "test command", |
| Long: "test command.", |
| } |
| |
| func runRoot(*cmdline.Command, []string) error { |
| if got, want := testFlag.Get().(string), "HELLO"; got != want { |
| return fmt.Errorf("unexpected value: got %v, want %v", got, want) |
| } |
| return nil |
| } |