From 54123ef9a21e040c248260180095681f9c1267df Mon Sep 17 00:00:00 2001
From: Shivaram Lingamneni <slingamn@cs.stanford.edu>
Date: Tue, 27 Feb 2018 05:22:01 -0500
Subject: [PATCH] clear failed nick assignments to avoid confusion

---
 irc/server.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/irc/server.go b/irc/server.go
index 21712fce..8bd8bda0 100644
--- a/irc/server.go
+++ b/irc/server.go
@@ -437,6 +437,7 @@ func (server *Server) tryRegister(c *Client) {
 	nickAssigned := performNickChange(server, c, c, preregNick, rb)
 	rb.Send()
 	if !nickAssigned {
+		c.SetPreregNick("")
 		return
 	}