From 1c299c14ddc5f1f1adce69adea55c99a6aacf6e5 Mon Sep 17 00:00:00 2001
From: Axel Kittenberger <axkibe@gmail.com>
Date: Fri, 7 Jun 2013 14:09:57 +0200
Subject: [PATCH]  checking delay to a number > 0

---
 lsyncd.lua | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lsyncd.lua b/lsyncd.lua
index 527210b..e643edf 100644
--- a/lsyncd.lua
+++ b/lsyncd.lua
@@ -2111,6 +2111,16 @@ local Sync = ( function( )
 			end
 		end
 
+		if
+			config.delay ~= nil and
+			(
+				type(config.delay) ~= 'number' or
+				config.delay < 0
+			)
+		then
+			error( 'delay must be a number and >= 0', 2 )
+		end
+
 		if config.excludeFrom then
 			s.excludes:loadFile( config.excludeFrom )
 		end