84 lines
1.8 KiB
Nix
84 lines
1.8 KiB
Nix
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{ pkgs, config, lib, ... }:
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with lib;
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let cfg = config.eb.boot;
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in {
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options.eb.boot = {
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type = mkOption {
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description = "Type of boot. Default bios.";
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default = null;
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type = types.enum [ "bios" "uefi" ];
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};
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qemu = mkOption {
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description = "Set to true if running in qemu";
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default = false;
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type = types.bool;
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};
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grubInstallDevice = mkOption {
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description = "The disk to install Grub to";
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type = types.nullOr types.str;
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default = null;
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};
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};
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config = mkMerge [
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{
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fileSystems."/" = {
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device = "/dev/disk/by-label/nixos";
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fsType = "ext4";
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};
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swapDevices = [{ device = "/dev/disk/by-label/swap"; }];
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}
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(mkIf (cfg.type == "bios") {
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boot.loader = {
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grub = {
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enable = true;
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version = 2;
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device = cfg.grubInstallDevice;
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efiSupport = false;
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useOSProber = true;
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extraEntries = ''
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menuentry "Reboot" {
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reboot
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}
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menuentry "Power off" {
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halt
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}
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'';
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};
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};
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})
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(mkIf (cfg.type == "uefi") {
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boot.loader = {
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systemd-boot = {
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enable = true;
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editor = false;
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configurationLimit = 10;
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};
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efi.canTouchEfiVariables = true;
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};
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fileSystems."/boot" = {
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device = "/dev/disk/by-label/boot";
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fsType = "vfat";
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};
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})
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(mkIf (cfg.qemu) {
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boot.initrd.postDeviceCommands = ''
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# Set the system time from the hardware clock to work around a
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# bug in qemu-kvm > 1.5.2 where the VM clock is initialized
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# to the *boot time* of the host.
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hwclock -s
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'';
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services.qemuGuest.enable = true;
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})
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];
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}
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