From 7ead6a4245e3ee6fc8c56674497bfd2739be68cb Mon Sep 17 00:00:00 2001
From: Nathan Weizenbaum <nex342@gmail.com>
Date: Sun, 8 Aug 2010 16:57:20 -0700
Subject: [PATCH] [Sass] Don't die if sass --watch is passed only a single
 file.

---
 lib/haml/exec.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/haml/exec.rb b/lib/haml/exec.rb
index 698020e96b..10c850e63b 100644
--- a/lib/haml/exec.rb
+++ b/lib/haml/exec.rb
@@ -462,6 +462,7 @@ def split_colon_path(path)
       # Whether path is likely to be meant as the destination
       # in a source:dest pair.
       def probably_dest_dir?(path)
+        return false unless path
         return false if colon_path?(path)
         return Dir.glob(File.join(path, "*.s[ca]ss")).empty?
       end