Greetings Guix, I have a working UEFI GuixSD system, by adding FAT32 support to base-initrd and installing the initial UEFI bootloader from a non-Guix live CD.
Now that it's booted, I want to use a custom 'grub-efi' package so that `guix system reconfigure` works without passing --no-grub and manually copying grub.cfg. The "grub-configuration" object takes a 'grub' argument which defaults to (@ (gnu packages grub) grub). However setting that to 'grub-efi' in the operating-system declaration or even directly in gnu/system/grub.scm has no effect. Looking at guix/scripts/system.scm, grub is defined as (package->derivation grub). I tried exporting grub-configuration-grub and using that in the (package->derivation) procedure, but that broke the world :) What is the correct approach here? Additionally the "grub-install" arguments are slightly different for EFI systems. Tips for properly handling that appreciated. Thanks!
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