menuentry can pass parameters to its definition

include/grub/menu.h

@@ -47,6 +47,10 @@ struct grub_menu_entry
   /* The sourcecode of the menu entry, used by the editor.  */
   const char *sourcecode;
 
+  /* Parameters to be passed to menu definition.  */
+  int argc;
+  char **args;
+
   int hotkey;
 
   /* The next element.  */

include/grub/script_sh.h

@@ -303,6 +303,7 @@ grub_err_t grub_script_execute_cmdwhile (struct grub_script_cmd *cmd);
 
 /* Execute any GRUB pre-parsed command or script.  */
 grub_err_t grub_script_execute (struct grub_script *script);
+grub_err_t grub_script_execute_sourcecode (const char *source, int argc, char **args);
 
 /* This variable points to the parsed command.  This is used to
    communicate with the bison code.  */