Golang Obj.UnknownKeys Examples

Example #1

File: config.go Project: louisyoo/camlistore

// printConfigChangeHelp checks if conf contains obsolete keys,
// and prints additional help in this case.
func printConfigChangeHelp(conf jsonconfig.Obj) {
	// rename maps from old key names to the new ones.
	// If there is no new one, the value is the empty string.
	rename := map[string]string{
		"keyId":            "identity",
		"publicKeyBlobref": "",
		"selfPubKeyDir":    "",
		"secretRing":       "identitySecretRing",
	}
	oldConfig := false
	configChangedMsg := fmt.Sprintf("The client configuration file (%s) keys have changed.\n", osutil.UserClientConfigPath())
	for _, unknown := range conf.UnknownKeys() {
		v, ok := rename[unknown]
		if ok {
			if v != "" {
				configChangedMsg += fmt.Sprintf("%q should be renamed %q.\n", unknown, v)
			} else {
				configChangedMsg += fmt.Sprintf("%q should be removed.\n", unknown)
			}
			oldConfig = true
		}
	}
	if oldConfig {
		configChangedMsg += "Please see http://camlistore.org/docs/client-config, or use camput init to recreate a default one."
		log.Print(configChangedMsg)
	}
}