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>

diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index b7bc0f5..82e4993 100644 (file)
--- 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