[gnome-code-assistance] Only check files in index for generating makefile

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 06ff53acca28f1f21b042e86c01a8d636abc3b95
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sat Jan 10 13:47:03 2015 +0100

    Only check files in index for generating makefile

 backends/css/mkdeps.py |    5 +----
 1 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/backends/css/mkdeps.py b/backends/css/mkdeps.py
index 8c70653..4c0076e 100644
--- a/backends/css/mkdeps.py
+++ b/backends/css/mkdeps.py
@@ -4,10 +4,7 @@ import subprocess, os, re
 
 perdir = {}
 
-rethead = subprocess.check_output(['git', 'ls-tree', 'HEAD', '--name-only', '-r', '--', 
'gems']).decode('utf-8').splitlines()
-retindex = subprocess.check_output(['git', 'ls-files', '--', 'gems']).decode('utf-8').splitlines()
-
-ret = rethead + retindex
+ret = subprocess.check_output(['git', 'ls-files', '--', 'gems']).decode('utf-8').splitlines()
 seen = {}
 
 for r in ret: