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etcdmain: print error when non-flag args remain

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This commit is contained in:
Yicheng Qin 2015-03-20 17:01:53 -07:00
parent b7bbeefbff
commit 0ac05e310e
2 changed files with 4 additions and 1 deletions
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3
etcdmain/config.go
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@ -212,6 +212,9 @@ func (cfg *config) Parse(arguments []string) error {
default:
os.Exit(2)
}
if len(cfg.FlagSet.Args()) != 0 {
return fmt.Errorf("'%s' is not a valid flag", cfg.FlagSet.Arg(0))
}
if cfg.printVersion {
fmt.Println("etcd version", version.Version)

2
etcdmain/etcd.go
View File

@ -56,7 +56,7 @@ func Main() {
cfg := NewConfig()
err := cfg.Parse(os.Args[1:])
if err != nil {
log.Printf("etcd: error verifying flags, %v", err)
log.Printf("etcd: error verifying flags, %v. See 'etcd -help'.", err)
os.Exit(2)
}