From e967d02466479fef65cf37b97f0f7b8f0be6daf4 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Fri, 6 Nov 2020 21:33:57 +0000
Subject: Default user/real to nickname if unspecified

While at it, error out if nick is unspecified instead of sending a
broken command to the server.
---
 irc/states.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'irc')

diff --git a/irc/states.go b/irc/states.go
index 027eda2..c702c43 100644
--- a/irc/states.go
+++ b/irc/states.go
@@ -181,6 +181,16 @@ func NewSession(conn io.ReadWriteCloser, params SessionParams) (*Session, error)
 		chBatches:     map[string]HistoryEvent{},
 	}
 
+	if s.nick == "" {
+		return nil, errors.New("no nickname specified")
+	}
+	if s.user == "" {
+		s.user = s.nick
+	}
+	if s.real == "" {
+		s.real = s.nick
+	}
+
 	s.running.Store(true)
 
 	err := s.send("CAP LS 302\r\nNICK %s\r\nUSER %s 0 * :%s\r\n", s.nick, s.user, s.real)
-- 
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