Add NOPINGNICK option. Closes #175

gateway/gateway.go

@@ -234,6 +234,7 @@ func (gw *Gateway) modifyUsername(msg *config.Message, dest *bridge.Bridge) {
 	if nick == "" {
 		nick = dest.Config.RemoteNickFormat
 	}
+	nick = strings.Replace(nick, "{NOPINGNICK}", msg.Username[:1]+"​"+msg.Username[1:], -1)
 	nick = strings.Replace(nick, "{NICK}", msg.Username, -1)
 	nick = strings.Replace(nick, "{BRIDGE}", br.Name, -1)
 	nick = strings.Replace(nick, "{PROTOCOL}", br.Protocol, -1)

matterbridge.toml.sample

@@ -66,6 +66,7 @@ IgnoreNicks="ircspammer1 ircspammer2"
 #The string "{NICK}" (case sensitive) will be replaced by the actual nick / username.
 #The string "{BRIDGE}" (case sensitive) will be replaced by the sending bridge
 #The string "{PROTOCOL}" (case sensitive) will be replaced by the protocol used by the bridge
+#The string "{NOPINGNICK}" (case sensitive) will be replaced by the actual nick / username, but with a ZWSP inside the nick, so the irc user with the same nick won't get pinged. See https://github.com/42wim/matterbridge/issues/175 for more information
 #OPTIONAL (default empty)
 RemoteNickFormat="[{PROTOCOL}] <{NICK}> "