os/modules/core/boot.nix

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Nix
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{ config, pkgs, lib, ... }:
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with lib;
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let
cfg = config.pub-solar.core;
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in
{
options.pub-solar.core.iso-options.enable = mkOption {
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type = types.bool;
default = false;
description = "Feature flag for iso builds";
};
options.pub-solar.core.disk-encryption-active = mkOption {
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type = types.bool;
default = true;
description = "Whether it should be assumed that there is a cryptroot device";
};
options.pub-solar.core.hibernation = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether the device can hibernate. This creates a swapfile at /swapfile.";
};
};
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config = {
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boot = {
# Enable plymouth for better experience of booting
plymouth.enable = true;
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# Mount / luks device in initrd
# Allow fstrim to work on it.
# The ! makes this enabled by default
initrd = mkIf (!cfg.iso-options.enable && cfg.disk-encryption-active) {
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luks.devices."cryptroot" = {
allowDiscards = true;
};
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};
resumeDevice = mkIf cfg.core.hibernation.enable "/swapfile";
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loader.systemd-boot.enable = true;
# Use latest LTS linux kernel by default
kernelPackages = pkgs.linuxPackages_5_15;
# Support ntfs drives
supportedFilesystems = [ "ntfs" ];
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};
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};
}