dotfiles/modules/nixos/hardware/boot.nix

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{ config, pkgs, lib, ... }: {
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boot.loader = lib.mkIf config.physical {
grub = {
enable = true;
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# Not sure what this does, but it involves the UEFI/BIOS
efiSupport = true;
# Check for other OSes and make them available
useOSProber = true;
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# Attempt to display GRUB on widescreen monitor
gfxmodeEfi = "1920x1080";
# Limit the total number of configurations to rollback
configurationLimit = 25;
# Install GRUB onto the boot disk
# device = config.fileSystems."/boot".device;
# Don't install GRUB, required for UEFI?
device = "nodev";
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# Display menu indefinitely if holding shift key
extraConfig = ''
if keystatus --shift ; then
set timeout=-1
else
set timeout=0
fi
'';
};
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# Always display menu indefinitely; default is 5 seconds
# timeout = null;
# Allows GRUB to interact with the UEFI/BIOS I guess
efi.canTouchEfiVariables = true;
};
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# Allow reading from Windows drives
boot.supportedFilesystems = lib.mkIf config.physical [ "ntfs" ];
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# Use latest released Linux kernel by default
boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
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}