From 75f575eb204a864f5afbad537049864bf5d7b16e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tam=C3=A1s=20Solymos?=
 <15968382+slymas@users.noreply.github.com>
Date: Mon, 5 Jan 2026 17:24:43 +0000
Subject: [PATCH] Add an config param allowing to delay renicking if the
 previously tried nick was already in use

---
 client/connection.go | 3 +++
 client/handlers.go   | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/client/connection.go b/client/connection.go
index 7bbaf0f..f4709f1 100644
--- a/client/connection.go
+++ b/client/connection.go
@@ -112,6 +112,9 @@ type Config struct {
 	// See DefaultNewNick implementation below for details.
 	NewNick func(string) string
 
+	// A delay in NewNick before actually sending the new nick command. Default is not set, so it's 0.
+	ReNickDelay time.Duration
+
 	// Client->server ping frequency, in seconds. Defaults to 3m.
 	// Set to 0 to disable client-side pings.
 	PingFreq time.Duration
diff --git a/client/handlers.go b/client/handlers.go
index 3920c02..4a838ec 100644
--- a/client/handlers.go
+++ b/client/handlers.go
@@ -310,6 +310,9 @@ func (conn *Conn) h_001(line *Line) {
 
 // Handler to deal with "433 :Nickname already in use"
 func (conn *Conn) h_433(line *Line) {
+	// Delay trying again if a non-zero delay was set 
+	time.Sleep(conn.cfg.ReNickDelay)
+
 	// Args[1] is the new nick we were attempting to acquire
 	me := conn.Me()
 	neu := conn.cfg.NewNick(line.Args[1])