From 470109461ba79cd37e16f364d31c937fa6d8004d Mon Sep 17 00:00:00 2001
From: Daniel Oaks <daniel@danieloaks.net>
Date: Sun, 4 Feb 2018 21:34:44 +1000
Subject: [PATCH] responsebuffer: Handle sending early properly

---
 irc/responsebuffer.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/irc/responsebuffer.go b/irc/responsebuffer.go
index 29de865b..d877a797 100644
--- a/irc/responsebuffer.go
+++ b/irc/responsebuffer.go
@@ -75,6 +75,11 @@ func (rb *ResponseBuffer) AddSplitMessageFromClient(msgid string, from *Client,
 
 // Send sends the message to our target client.
 func (rb *ResponseBuffer) Send() error {
+	// fall out if no messages to send
+	if len(rb.messages) == 0 {
+		return
+	}
+
 	// make batch and all if required
 	var batch *Batch
 	useLabel := rb.target.capabilities.Has(caps.LabeledResponse) && rb.Label != ""
@@ -116,5 +121,8 @@ func (rb *ResponseBuffer) Send() error {
 		batch.End(rb.target)
 	}
 
+	// clear out any existing messages
+	rb.messages = []ircmsg.IrcMessage{}
+
 	return nil
 }