* util/grub-script-check.c: Fail on scripts containing no

commands, to guard against corrupted grub-mkconfig setups that
produce no useful output.
* tests/grub_script_no_commands.in: New test.
* Makefile.util.def (grub_script_no_commands): Add.
Reported by Hans Putter.  Fixes Debian bug #713886.

Makefile.util.def

@@ -748,6 +748,12 @@ script = {
   common = tests/grub_script_not.in;
 };
 
+script = {
+  testcase;
+  name = grub_script_no_commands;
+  common = tests/grub_script_no_commands.in;
+};
+
 script = {
   testcase;
   name = partmap_test;