From 78b123be72490484326aba6c36901a57090feba0 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Mon, 6 Apr 2020 18:49:39 +0200
Subject: [PATCH] Log TOPIC messages

See [1].

[1]: https://github.com/znc/znc/blob/82c4ad8362c6b2f4406770c54a5e10a40fdba548/modules/log.cpp#L486
---
 logger.go   | 6 ++++++
 upstream.go | 1 +
 2 files changed, 7 insertions(+)

diff --git a/logger.go b/logger.go
index b6504e6..f3c107e 100644
--- a/logger.go
+++ b/logger.go
@@ -100,6 +100,12 @@ func formatMessage(msg *irc.Message) string {
 			reason = msg.Params[0]
 		}
 		return fmt.Sprintf("*** Quits: %s (%s@%s) (%s)", msg.Prefix.Name, msg.Prefix.User, msg.Prefix.Host, reason)
+	case "TOPIC":
+		var topic string
+		if len(msg.Params) > 1 {
+			topic = msg.Params[1]
+		}
+		return fmt.Sprintf("*** %s changes topic to '%s'", msg.Prefix.Name, topic)
 	case "MODE":
 		return fmt.Sprintf("*** %s sets mode: %s", msg.Prefix.Name, strings.Join(msg.Params[1:], " "))
 	case "NOTICE":
diff --git a/upstream.go b/upstream.go
index 83add5a..46f2183 100644
--- a/upstream.go
+++ b/upstream.go
@@ -745,6 +745,7 @@ func (uc *upstreamConn) handleMessage(msg *irc.Message) error {
 		} else {
 			ch.Topic = ""
 		}
+		uc.appendLog(ch.Name, msg)
 		uc.forEachDownstream(func(dc *downstreamConn) {
 			params := []string{dc.marshalChannel(uc, name)}
 			if ch.Topic != "" {