set -e safety

diff --git a/init_buildsystem b/init_buildsystem
index 960019d..68df145 100755 (executable)
--- a/init_buildsystem
+++ b/init_buildsystem
@@ -813,8 +813,7 @@ rm -f $BUILD_IS_RUNNING
 
 rm -f $TMPFILE
 
-F=`df -h $BUILD_ROOT | grep "100%"`
-if test -n "$F" ; then
+if df $BUILD_ROOT 2>/dev/null | grep -q "100%"; then
     df -h $BUILD_ROOT
     echo "build does not work on a completely full filesystem"
     cleanup_and_exit 1