From 58464d554c57aff36ab21aa3efb69e1388b8024e Mon Sep 17 00:00:00 2001
From: delthas <delthas@dille.cc>
Date: Fri, 23 Dec 2022 18:23:03 +0100
Subject: Hide on-register RPL_UMODEIS

---
 irc/session.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/irc/session.go b/irc/session.go
index cd56ee1..a5e5c94 100644
--- a/irc/session.go
+++ b/irc/session.go
@@ -148,6 +148,8 @@ type Session struct {
 	monitors       map[string]struct{}     // set of users we want to monitor (and keep even if they are disconnected).
 
 	pendingChannels map[string]time.Time // set of join requests stamps for channels.
+
+	receivedUserMode bool
 }
 
 func NewSession(out chan<- Message, params SessionParams) *Session {
@@ -1413,6 +1415,12 @@ func (s *Session) handleMessageRegistered(msg Message, playback bool) (Event, er
 			if len(msg.Params) < 2 {
 				return nil, msg.errNotEnoughParams(2)
 			}
+			if msg.Command == rplUmodeis && !s.receivedUserMode {
+				// ignore the first RPL_UMODEIS on join
+				s.receivedUserMode = true
+				return nil, nil
+
+			}
 			if msg.Command == errUnknowncommand && msg.Params[1] == "BOUNCER" {
 				// ignore any error in response to unconditional BOUNCER LISTNETWORKS
 				return nil, nil
-- 
cgit v1.2.3