Fix privmsg.

src/irc/commands.go

@@ -334,20 +334,17 @@ func (m *PrivMsgMessage) TargetIsChannel() bool {
 
 func (m *PrivMsgMessage) Handle(s *Server, c *Client) {
 	if m.TargetIsChannel() {
-		channel := s.channels[m.target]
-		if channel != nil {
+		if channel := s.channels[m.target]; channel != nil {
 			channel.PrivMsg(c, m.message)
-		} else {
-			c.send <- ErrNoSuchNick(s, m.target)
+			return
 		}
 	} else {
-		client := s.nicks[m.target]
-		if client != nil {
-			client.send <- RplPrivMsg(client, m.message)
-		} else {
-			c.send <- ErrNoSuchNick(s, m.target)
+		if client := s.nicks[m.target]; client != nil {
+			client.send <- RplPrivMsg(c, m.message)
+			return
 		}
 	}
+	c.send <- ErrNoSuchNick(s, m.target)
 }
 
 // TOPIC [newtopic]

src/irc/server.go

@@ -102,7 +102,7 @@ func (s *Server) ChangeNick(c *Client, newNick string) {
 	if c.nick != "" {
 		delete(s.nicks, c.nick)
 	}
-	s.nicks[c.nick] = c
+	s.nicks[newNick] = c
 
 	s.SendToInterestedClients(c, RplNick(c, newNick))