From 9e25a3027a3dab61beee50a55fe8a4746010ab6a Mon Sep 17 00:00:00 2001
From: Shivaram Lingamneni <slingamn@cs.stanford.edu>
Date: Sun, 21 Feb 2021 13:25:22 -0500
Subject: [PATCH] fix #1549

If history is disabled, disable the history CAPs
---
 irc/config.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/irc/config.go b/irc/config.go
index 94c882d9..fc87c059 100644
--- a/irc/config.go
+++ b/irc/config.go
@@ -1383,6 +1383,9 @@ func LoadConfig(filename string) (config *Config, err error) {
 	if !config.History.Enabled {
 		config.History.ChannelLength = 0
 		config.History.ClientLength = 0
+		config.Server.supportedCaps.Disable(caps.Chathistory)
+		config.Server.supportedCaps.Disable(caps.EventPlayback)
+		config.Server.supportedCaps.Disable(caps.ZNCPlayback)
 	}
 
 	if !config.History.Enabled || !config.History.Persistent.Enabled {