diff -ur grub-2.02-beta3.orig/util/grub-mkconfig_lib.in grub-2.02-beta3/util/grub-mkconfig_lib.in
--- grub-2.02-beta3.orig/util/grub-mkconfig_lib.in	2016-02-28 02:07:41.000000000 +0000
+++ grub-2.02-beta3/util/grub-mkconfig_lib.in	2016-03-21 07:43:35.226768000 +0000
@@ -187,6 +187,7 @@
     case "$1" in
       *.dpkg-*) return 1 ;; # debian dpkg
       *.rpmsave|*.rpmnew) return 1 ;;
+      *.bak|*~|.*.swp) return 1 ;;    # backup and swap files from editors
       README*|*/README*)  return 1 ;; # documentation
     esac
   else