45 lines
900 B
Nix
45 lines
900 B
Nix
{ config, lib, ... }:
|
|
|
|
with lib; let
|
|
cfg = config.grub;
|
|
in {
|
|
options.grub = {
|
|
device = mkOption {
|
|
default = "";
|
|
example = "/dev/disk/by-id/wwn-0x500001234567890a";
|
|
type = types.str;
|
|
description = lib.mdDoc ''
|
|
The device on which the GRUB boot loader will be installed.
|
|
Setting this option also sets GRUB to use legacy boot.
|
|
For EFI, do not set this option.
|
|
'';
|
|
};
|
|
};
|
|
|
|
config = mkMerge [
|
|
|
|
{
|
|
boot.loader.grub = {
|
|
enable = true;
|
|
|
|
configurationLimit = 25;
|
|
default = "saved";
|
|
memtest86.enable = true;
|
|
};
|
|
}
|
|
|
|
(mkIf (cfg.device == "") {
|
|
boot.loader = {
|
|
efi.canTouchEfiVariables = true;
|
|
grub = {
|
|
efiSupport = true;
|
|
device = "nodev";
|
|
};
|
|
};
|
|
})
|
|
|
|
(mkIf (cfg.device != "") { boot.loader.grub.device = cfg.device; })
|
|
|
|
];
|
|
}
|