lib/guard/depend/runner.rb in guard-depend-0.0.1 vs lib/guard/depend/runner.rb in guard-depend-0.1.0

@@ -2,9 +2,11 @@
 
 module Guard
   class Depend
     class Runner
       def run(cmd)
+        return unless cmd
+
         cmd = [cmd].flatten
         command = cmd.join(' ')
 
         begin
           UI.info("Running '#{command}'")