* grub-core/script/execute.c (grub_script_execute_sourcecode): Split

off new function grub_script_execute_new_scope. Change callers to use
	either of them as appropriate.
	* grub-core/commands/eval.c: New command eval.
	* docs/grub.texi (Commands): Document it.

docs/grub.texi

@@ -3435,6 +3435,7 @@ you forget a command, you can run the command @command{help}
 * date::                        Display or set current date and time
 * drivemap::                    Map a drive to another
 * echo::                        Display a line of text
+* eval::                        Evaluate agruments as GRUB commands
 * export::                      Export an environment variable
 * false::                       Do nothing, unsuccessfully
 * gettext::                     Translate a string
@@ -3812,6 +3813,15 @@ character will print that character.
 @end deffn
 
 
+@node eval
+@subsection eval
+
+@deffn Command eval string ...
+Concatenate arguments together using single space as separator and evaluate
+result as sequence of GRUB commands.
+@end deffn
+
+
 @node export
 @subsection export