From a894e3f37f2ac49a48d6703cb9a4c292a3722bd5 Mon Sep 17 00:00:00 2001
From: Jeremy Latt <jeremy.latt@gmail.com>
Date: Sun, 16 Feb 2014 22:22:46 -0800
Subject: [PATCH] parse lines more robustly

---
 irc/commands.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/irc/commands.go b/irc/commands.go
index eeeceda5..8d45dfd5 100644
--- a/irc/commands.go
+++ b/irc/commands.go
@@ -107,7 +107,9 @@ func parseLine(line string) (command string, args []string) {
 	for arg, rest := parseArg(line); arg != ""; arg, rest = parseArg(rest) {
 		args = append(args, arg)
 	}
-	command, args = strings.ToUpper(args[0]), args[1:]
+	if len(args) > 0 {
+		command, args = strings.ToUpper(args[0]), args[1:]
+	}
 	return
 }