kbuild: append -dirty for updated but uncommited changes

Compare the working copy with the last commit, instead of the index.

Signed-off-by: Uwe Zeisberger <zeisberg@informatik.uni-freiburg.de>
Acked-by: Ryan Anderson <ryan@michonline.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index b7bc0f5b64f6..82e4993f0a73 100644
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -16,7 +16,7 @@ if head=`git rev-parse --verify HEAD 2>/dev/null`; then
         fi
 
         # Are there uncommitted changes?
-        if git diff-files | read dummy; then
+        if git diff-index HEAD | read dummy; then
                 printf '%s' -dirty
         fi
 fi