url plugin: bail out early when no urls were found

diff --git a/data/rbot/plugins/url.rb b/data/rbot/plugins/url.rb
index 0896c87ee4f7ffd03440f2bdefc3a974d47d6ea1..524b0858aaab183e9d0b440e87fea03c03f1ac6f 100644 (file)
--- a/data/rbot/plugins/url.rb
+++ b/data/rbot/plugins/url.rb
@@ -164,6 +164,7 @@ class UrlPlugin < Plugin
 
     escaped = URI.escape(m.message, OUR_UNSAFE)
     urls = URI.extract(escaped, ['http', 'https'])
+    return if urls.empty?
     Thread.new { handle_urls(m, urls) }
   end