Wait for server comfirmation before updating nick

server/irc.go

@@ -13,9 +13,7 @@ import (
 func createNickInUseHandler(i *irc.Client, session *Session) func(string) string {
 	return func(nick string) string {
 		newNick := nick + "_"
-
 		session.print(i.Host, "Nickname", nick, "is already in use, using", newNick, "instead")
-		go session.user.SetNick(newNick, i.Host)
 
 		return newNick
 	}

server/irc_handler.go

@@ -150,6 +150,15 @@ func (i *ircHandler) quit(msg *irc.Message) {
 }
 
 func (i *ircHandler) info(msg *irc.Message) {
+	if msg.Command == irc.ReplyWelcome {
+		i.session.sendJSON("nick", Nick{
+			Server: i.client.Host,
+			New:    msg.Params[0],
+		})
+
+		go i.session.user.SetNick(msg.Params[0], i.client.Host)
+	}
+
 	i.session.sendJSON("pm", Chat{
 		Server:  i.client.Host,
 		From:    msg.Nick,