--- scripts/repository/binary_safe_diff.sh.orig	2015-06-25 19:05:54.000000000 +0200

+++ scripts/repository/binary_safe_diff.sh	2015-12-12 21:58:45.184352000 +0100

@@ -1,6 +1,8 @@

 #!/bin/sh

 diff "$@"

-if [ "$?" = "2" ]; then

+RES="$?"

+if [ "$RES" = "2" ]; then

   exit 1

 fi

+exit "$RES"