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