From 19950face638427af90802047026e65d3a19c73b Mon Sep 17 00:00:00 2001
From: Denis Zheleztsov <d_zheleztsov@wargaming.net>
Date: Sat, 16 Jan 2021 18:34:10 +0300
Subject: [PATCH] Don't send welcome message if envvar is empty

---
 main.go | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/main.go b/main.go
index b522f38..6cf1946 100644
--- a/main.go
+++ b/main.go
@@ -17,6 +17,7 @@ import (
 )
 
 var channel = "#ctf"
+var sendWelcome = ""
 
 const (
 	pattern   = "(?i)\\b(cat|gato|miau|meow|garfield|lolcat|кот|кошк)[s|z]{0,1}\\b"
@@ -95,12 +96,14 @@ func main() {
 
 		e.Connection.Privmsg("nickserv", "identify "+os.Getenv("CTF2021PASS"))
 
-		e.Connection.Join(channel)
-		e.Connection.Privmsg(channel, `I'm a cat bot!`)
-		e.Connection.Privmsg(channel, `Inspired from https://github.com/go-chat-bot/plugins/blob/master/catfacts/catfacts.go`)
-		e.Connection.Privmsg(channel, `Try cat /etc/passwd :p`)
-		e.Connection.Privmsg(channel, `Source code and issue tracker: https://gitea.difrex.ru/CTF2021/irc_bot`)
-		e.Connection.Privmsg(channel, `Now with gifs! ^_^`)
+		if sendWelcome != "" {
+			e.Connection.Join(channel)
+			e.Connection.Privmsg(channel, `I'm a cat bot!`)
+			e.Connection.Privmsg(channel, `Inspired from https://github.com/go-chat-bot/plugins/blob/master/catfacts/catfacts.go`)
+			e.Connection.Privmsg(channel, `Try cat /etc/passwd :p`)
+			e.Connection.Privmsg(channel, `Source code and issue tracker: https://gitea.difrex.ru/CTF2021/irc_bot`)
+			e.Connection.Privmsg(channel, `Now with gifs! ^_^`)
+		}
 	})
 
 	irccon.AddCallback("PRIVMSG", func(e *irc.Event) {
@@ -118,10 +121,10 @@ func main() {
 }
 
 func doCommand(command string, e *irc.Event, s *stats) {
-	if ok := statCommand(command); ok {
-		s.printStats(e)
-		return
-	}
+	// if ok := statCommand(command); ok {
+	// 	s.printStats(e)
+	// 	return
+	// }
 
 	if ok := checkCommad(command, e.Connection); !ok {
 		return
@@ -196,4 +199,6 @@ func init() {
 	if ch != "" {
 		channel = ch
 	}
+
+	sendWelcome = os.Getenv("CTF2021WC")
 }