From 7114c8a1e923f9b9185e947ae966df066d22f014 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Fri, 20 Mar 2020 22:53:05 +0100
Subject: [PATCH] Avoid sending JOIN twice for the same channel

---
 bridge.go     | 6 ------
 downstream.go | 6 ++++++
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/bridge.go b/bridge.go
index 66f2ef0..baab546 100644
--- a/bridge.go
+++ b/bridge.go
@@ -11,12 +11,6 @@ func forwardChannel(dc *downstreamConn, ch *upstreamChannel) {
 
 	downstreamName := dc.marshalChannel(ch.conn, ch.Name)
 
-	dc.SendMessage(&irc.Message{
-		Prefix:  dc.prefix(),
-		Command: "JOIN",
-		Params:  []string{downstreamName},
-	})
-
 	if ch.Topic != "" {
 		dc.SendMessage(&irc.Message{
 			Prefix:  dc.srv.prefix(),
diff --git a/downstream.go b/downstream.go
index 10b38bc..13921a8 100644
--- a/downstream.go
+++ b/downstream.go
@@ -700,6 +700,12 @@ func (dc *downstreamConn) register() error {
 	dc.forEachUpstream(func(uc *upstreamConn) {
 		for _, ch := range uc.channels {
 			if ch.complete {
+				dc.SendMessage(&irc.Message{
+					Prefix:  dc.prefix(),
+					Command: "JOIN",
+					Params:  []string{dc.marshalChannel(ch.conn, ch.Name)},
+				})
+
 				forwardChannel(dc, ch)
 			}
 		}