Bug#1094201: grub2-common: Grub does not expand $variable on cmdline when using a submenu (but does on main menus)

[Pascal Hambourg]

On 26/01/2025 at 00:07, Yoann Congal wrote:
> 
> I've notice that using $variable expansion on kernel command line works
> only when using the main menu but not on submenus.

You need to export the variable so that is is defined in submenus.