feat(battleship-mk2): new configuration for battleship
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90
hosts/battleship-mk2/configuration.nix
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90
hosts/battleship-mk2/configuration.nix
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@@ -0,0 +1,90 @@
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{
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inputs,
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pkgs,
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...
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}: {
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imports = [
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../../secrets.nix
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./gpu.nix
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./impermanence.nix
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inputs.disko.nixosModules.disko
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./disko.nix
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./hardware-configuration.nix
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];
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# GnuPG keyring
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programs.gnupg.agent = {
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enable = true;
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pinentryPackage = pkgs.pinentry-gtk2;
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settings.default-cache-ttl = 3600 * 24;
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};
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# Yet another nix cli helper
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programs.nh = {
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enable = true;
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clean.enable = true;
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clean.extraArgs = "--keep-since 7d --keep 3";
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flake = "/home/guz/Projects/dot013-nix";
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};
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# QMK keyboard
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hardware.keyboard.qmk.enable = true;
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services.udev.packages = with pkgs; [via vial];
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# Pipewire
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security.rtkit.enable = true;
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services.pipewire = {
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enable = true;
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alsa.enable = true;
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alsa.support32Bit = true;
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pulse.enable = true;
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};
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# Tailscale
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services.tailscale.enable = true;
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# Networking
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networking.hostName = "battleship";
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networking.networkmanager.enable = true;
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# Locale
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time.timeZone = "America/Sao_Paulo";
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i18n.defaultLocale = "en_US.UTF-8";
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i18n.extraLocaleSettings = let
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locale = "pt_BR.UTF-8";
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in {
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LC_ADDRESS = locale;
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LC_IDENTIFICATION = locale;
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LC_MEASUREMENT = locale;
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LC_MONETARY = locale;
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LC_NAME = locale;
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LC_NUMERIC = locale;
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LC_PAPER = locale;
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LC_TELEPHONE = locale;
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LC_TIME = locale;
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};
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# Keyboard
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services.xserver.xkb.layout = "br";
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console.keyMap = "br-abnt2";
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security.polkit.enable = true;
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# Nix
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nix.settings.experimental-features = ["nix-command" "flakes"];
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# Bootloader
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boot.loader.systemd-boot.enable = true;
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boot.loader.efi.canTouchEfiVariables = true;
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boot.kernelPackages = pkgs.linuxPackages_latest;
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# This value determines the NixOS release from which the default
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# settings for stateful data, like file locations and database versions
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# on your system were taken. It's perfectly fine and recommended to leave
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# this value at the release version of the first install of this system.
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# Before changing this value read the documentation for this option
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# (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
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system.stateVersion = "25.11"; # Did you read the comment?
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}
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71
hosts/battleship-mk2/disko.nix
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71
hosts/battleship-mk2/disko.nix
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{
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disko.devices = {
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disk.main = {
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device = "/dev/nvme0n1"; # This will be overwritten by disko-install
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type = "disk";
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content = {
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type = "gpt";
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partitions = {
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ESP = {
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label = "boot";
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size = "512M";
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type = "EF00";
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content = {
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type = "filesystem";
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format = "vfat";
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mountpoint = "/boot";
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mountOptions = ["defaults"];
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};
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};
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luks = {
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size = "100%";
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label = "luks";
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content = {
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type = "luks";
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name = "cryptroot";
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extraOpenArgs = [
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"--allow-discards"
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"--perf-no_read_workqueue"
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"--perf-no_write_workqueue"
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];
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settings = {crypttabExtraOpts = ["fido2-device=auto" "token-timeout=10"];};
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content = {
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type = "btrfs";
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extraArgs = ["-L" "nixos" "-f"];
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subvolumes = {
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"/root" = {
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mountpoint = "/";
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mountOptions = ["subvol=root" "compress=zstd" "noatime"];
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};
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"/home" = {
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mountpoint = "/home";
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mountOptions = ["subvol=home" "compress=zstd" "noatime"];
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};
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"/nix" = {
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mountpoint = "/nix";
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mountOptions = ["subvol=nix" "compress=zstd" "noatime"];
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};
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"/persist" = {
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mountpoint = "/persist";
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mountOptions = ["subvol=persist" "compress=zstd" "noatime"];
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};
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"/log" = {
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mountpoint = "/var/log";
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mountOptions = ["subvol=log" "compress=zstd" "noatime"];
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};
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"/swap" = {
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mountpoint = "/swap";
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swap.swapfile.size = "8G";
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};
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};
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};
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};
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};
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};
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};
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};
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};
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fileSystems."/persist".neededForBoot = true;
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fileSystems."/var/log".neededForBoot = true;
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}
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32
hosts/battleship-mk2/gpu.nix
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32
hosts/battleship-mk2/gpu.nix
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@@ -0,0 +1,32 @@
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{pkgs, ...}: {
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services.xserver.videoDrivers = ["amdgpu"];
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boot.kernelModules = ["amdgpu"];
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boot.initrd.kernelModules = ["amdgpu"];
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# AMD
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hardware.graphics.enable = true;
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hardware.graphics.enable32Bit = true;
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hardware.amdgpu.opencl.enable = true;
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environment.systemPackages = with pkgs; [clinfo];
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environment.variables.ROC_ENABLE_PRE_VEGA = "1";
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# Configuration for davinci resolve based on
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# https://wiki.nixos.org/wiki/DaVinci_Resolve
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environment.variables.RUSTICL_ENABLE = "radeonsi";
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hardware.graphics.extraPackages = with pkgs; [mesa.opencl];
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systemd.tmpfiles.rules = let
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rocmEnv = pkgs.symlinkJoin {
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name = "rocm-combuned";
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paths = with pkgs.rocmPackages; [
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rocblas
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hipblas
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clr
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];
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};
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in [
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"L+ /opt/rocm - - - - ${rocmEnv}"
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];
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}
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21
hosts/battleship-mk2/hardware-configuration.nix
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21
hosts/battleship-mk2/hardware-configuration.nix
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@@ -0,0 +1,21 @@
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# Do not modify this file! It was generated by ‘nixos-generate-config’
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# and may be overwritten by future invocations. Please make changes
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# to /etc/nixos/configuration.nix instead.
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{
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config,
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lib,
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modulesPath,
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...
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}: {
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imports = [
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(modulesPath + "/installer/scan/not-detected.nix")
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];
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boot.initrd.availableKernelModules = ["xhci_pci" "ahci" "nvme" "usbhid" "sd_mod"];
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boot.initrd.kernelModules = [];
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boot.kernelModules = ["kvm-amd"];
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boot.extraModulePackages = [];
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nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
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hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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}
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68
hosts/battleship-mk2/impermanence.nix
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68
hosts/battleship-mk2/impermanence.nix
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@@ -0,0 +1,68 @@
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{
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inputs,
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lib,
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pkgs,
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...
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}: {
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imports = [
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inputs.impermanence.nixosModules.impermanence
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];
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environment.persistence."/persist" = {
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enable = true;
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hideMounts = true;
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directories = [
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"/etc/nixos"
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"/etc/NetworkManager/system-connections"
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"/etc/secureboot"
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"/var/db/sudo"
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"/var/log"
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"/var/lib/bluetooth"
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"/var/lib/nixos"
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"/var/lib/systemd/coredump"
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{
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directory = "/var/lib/colord";
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user = "colord";
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group = "colord";
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mode = "u=rwx,g=rx,o=";
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}
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];
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files = [
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"/etc/machine-id"
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{
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file = "/var/keys/secret_file";
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parentDirectory = {mode = "u=rwx,g=,o=";};
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}
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];
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};
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boot.initrd.postResumeCommands = let
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# https://github.com/nix-community/impermanence?tab=readme-ov-file#btrfs-subvolumes
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script = pkgs.writeShellScriptBin "rollback" ''
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mkdir -p /btrfs_tmp
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mount -o subvol=/ /dev/mapper/enc /btrfs_tmp
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if [[ -e /btrfs_tmp/root ]]; then
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mkdir -p /btrfs_tmp/old_roots
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timestamp=$(date --date="@$(stat -c %Y /btrfs_tmp/root)" "+%Y-%m-%-d_%H:%M:%S")
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mv /btrfs_tmp/root "/btrfs_tmp/old_roots/$timestamp"
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fi
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delete_subvolume_recursively() {
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IFS=$'\n'
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for i in $(btrfs subvolume list -o "$1" | cut -f 9- -d ' '); do
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delete_subvolume_recursively "/btrfs_tmp/$i"
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done
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btrfs subvolume delete "$1"
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}
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for i in $(find /btrfs_tmp/old_roots/ -maxdepth 1 -mtime +30); do
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delete_subvolume_recursively "$i"
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done
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btrfs subvolume create /btrfs_tmp/root
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umount /btrfs_tmp
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'';
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in "${builtins.readFile (lib.getExe script)}";
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}
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