add --debug option for client

client.go

@@ -197,6 +197,9 @@ func (c *Client) sendRequest(r request) (chan Envelope, error) {
 }
 
 func (c *Client) info(template string, args ...interface{}) {
+	if !options.debug {
+		return
+	}
 	c.mu.Lock()
 	defer c.mu.Unlock()
 

whisper.go

@@ -21,6 +21,7 @@ var options struct {
 	key       string
 	publicKey string
 	nick      string
+	debug     bool
 }
 
 func exit(status int, template string, args ...interface{}) {
@@ -69,4 +70,5 @@ func init() {
 	flag.StringVar(&options.key, "key", "whisper_key", "rsa key to use")
 	flag.StringVar(&options.publicKey, "public-key", "", "public rsa key to use")
 	flag.StringVar(&options.nick, "nick", "", "nick to use in chat")
+	flag.BoolVar(&options.debug, "debug", false, "include debug messages")
 }