feat: new system

profiles/common/home/packages.nix

@@ -12,6 +12,7 @@
     picard-tools
     audacity
     sox
+    google-chrome
 
     # printing
     cups

profiles/common/nixos/default.nix

@@ -25,6 +25,7 @@
     ./login.nix
     ./stylix.nix
     ./power-profiles-daemon.nix
+    ./impermanence.nix
   ];
 
   nix.settings.trusted-users = [ "swarsel" ];

profiles/common/nixos/impermanence.nix

@@ -0,0 +1,87 @@
+{ config, lib, ... }:
+{
+
+  security.sudo.extraConfig = lib.mkIf config.swarselsystems.impermanence ''
+    # rollback results in sudo lectures after each reboot
+    Defaults lecture = never
+  '';
+
+  # This script does the actual wipe of the system
+  # So if it doesn't run, the btrfs system effectively acts like a normal system
+  # Taken from https://github.com/NotAShelf/nyx/blob/2a8273ed3f11a4b4ca027a68405d9eb35eba567b/modules/core/common/system/impermanence/default.nix
+
+  boot.initrd.systemd.services.rollback = lib.mkIf config.swarselsystems.impermanence {
+    description = "Rollback BTRFS root subvolume to a pristine state";
+    wantedBy = [ "initrd.target" ];
+    # make sure it's done after encryption
+    # i.e. LUKS/TPM process
+    after = [ "systemd-cryptsetup@enc.service" ];
+    # mount the root fs before clearing
+    before = [ "sysroot.mount" ];
+    unitConfig.DefaultDependencies = "no";
+    serviceConfig.Type = "oneshot";
+    script = ''
+      mkdir -p /mnt
+
+      # We first mount the btrfs root to /mnt
+      # so we can manipulate btrfs subvolumes.
+      mount -o subvol=/ /dev/mapper/enc /mnt
+      btrfs subvolume list -o /mnt/root
+
+      # While we're tempted to just delete /root and create
+      # a new snapshot from /root-blank, /root is already
+      # populated at this point with a number of subvolumes,
+      # which makes `btrfs subvolume delete` fail.
+      # So, we remove them first.
+      #
+      # /root contains subvolumes:
+      # - /root/var/lib/portables
+      # - /root/var/lib/machines
+
+      btrfs subvolume list -o /mnt/root |
+      cut -f9 -d' ' |
+      while read subvolume; do
+        echo "deleting /$subvolume subvolume..."
+        # btrfs subvolume delete "/mnt/$subvolume"
+      done &&
+      echo "deleting /root subvolume..." &&
+      # btrfs subvolume delete /mnt/root
+
+      echo "restoring blank /root subvolume..."
+      # btrfs subvolume snapshot /mnt/root-blank /mnt/root
+
+      # Once we're done rolling back to a blank snapshot,
+      # we can unmount /mnt and continue on the boot process.
+      umount /mnt
+    '';
+  };
+
+
+  environment.persistence."/persist" = lib.mkIf config.swarselsystems.impermanence {
+    directories =
+      [
+        "/.cache/nix/"
+        "/srv"
+        "/etc/nixos"
+        "/etc/nix"
+        "/etc/NetworkManager/system-connections"
+        "/etc/secureboot"
+        "/var/db/sudo/"
+        "/var/cache/"
+        "/var/lib/"
+      ];
+
+    files = [
+      # important state
+      "/etc/machine-id"
+      # ssh stuff
+      /*
+      "/etc/ssh/ssh_host_ed25519_key"
+      "/etc/ssh/ssh_host_ed25519_key.pub"
+      "/etc/ssh/ssh_host_rsa_key"
+      "/etc/ssh/ssh_host_rsa_key.pub"
+      */
+    ];
+  };
+
+}

profiles/common/nixos/users.nix

@@ -1,11 +1,11 @@
-{ pkgs, config, ... }:
+{ pkgs, config, lib, ... }:
 {
   users = {
-    mutableUsers = false;
+    mutableUsers = lib.mkIf (!config.swarselsystems.initialSetup) false;
     users.swarsel = {
       isNormalUser = true;
       description = "Leon S";
-      hashedPasswordFile = config.sops.secrets.swarseluser.path;
+      hashedPasswordFile = lib.mkIf (!config.swarselsystems.initialSetup) config.sops.secrets.swarseluser.path;
       extraGroups = [ "networkmanager" "wheel" "lp" "audio" "video" "vboxusers" "scanner" ];
       packages = with pkgs; [ ];
     };

profiles/nbl-imba-2/default.nix

@@ -0,0 +1,105 @@
+{ inputs, outputs, config, pkgs, ... }:
+{
+
+  imports = [
+    inputs.nixos-hardware.nixosModules.framework-16-7040-amd
+
+    ./hardware-configuration.nix
+
+    ../optional/nixos/steam.nix
+    # ../optional/nixos/virtualbox.nix
+    ../optional/nixos/autologin.nix
+    ../optional/nixos/nswitch-rcm.nix
+    ../optional/nixos/work.nix
+
+    inputs.home-manager.nixosModules.home-manager
+    {
+      home-manager.users.swarsel.imports = outputs.mixedModules ++ [
+        ../optional/home/gaming.nix
+        ../optional/home/work.nix
+      ] ++ (builtins.attrValues outputs.homeManagerModules);
+    }
+  ] ++ (builtins.attrValues outputs.nixosModules);
+
+
+  nixpkgs = {
+    inherit (outputs) overlays;
+    config = {
+      allowUnfree = true;
+    };
+  };
+
+  boot = {
+    loader.systemd-boot.enable = true;
+    loader.efi.canTouchEfiVariables = true;
+    supportedFilesystems = [ "btrfs" ];
+    kernelPackages = pkgs.linuxPackages_latest;
+    kernelParams = [
+      "resume_offset=533760"
+    ];
+    resumeDevice = "/dev/disk/by-label/nixos";
+  };
+
+
+  networking = {
+    hostName = "nbl-imba-2";
+    fqdn = "nbl-imba-2.imp.univie.ac.at";
+    firewall.enable = true;
+  };
+
+  hardware.graphics.extraPackages = with pkgs; [
+    vulkan-loader
+    vulkan-validation-layers
+    vulkan-extension-layer
+  ];
+
+  services = {
+    fwupd.enable = true;
+  };
+
+  swarselsystems = {
+    wallpaper = ../../wallpaper/lenovowp.png;
+    hasBluetooth = true;
+    hasFingerprint = true;
+    initialSetup = true;
+  };
+
+  home-manager.users.swarsel.swarselsystems = {
+    isLaptop = true;
+    isNixos = true;
+    # temperatureHwmon = {
+    #   isAbsolutePath = true;
+    #   path = "/sys/devices/platform/thinkpad_hwmon/hwmon/";
+    #   input-filename = "temp1_input";
+    # };
+    #  ------   -----
+    # | DP-4 | |eDP-1|
+    #  ------   -----
+    # monitors = {
+    #   main = {
+    #     name = "California Institute of Technology 0x1407 Unknown";
+    #     mode = "1920x1080"; # TEMPLATE
+    #     scale = "1";
+    #     position = "2560,0";
+    #     workspace = "2:二";
+    #     output = "eDP-1";
+    #   };
+    #   homedesktop = {
+    #     name = "Philips Consumer Electronics Company PHL BDM3270 AU11806002320";
+    #     mode = "2560x1440";
+    #     scale = "1";
+    #     position = "0,0";
+    #     workspace = "1:一";
+    #     output = "DP-4";
+    #   };
+    # };
+    # inputs =  {
+    #   "1:1:AT_Translated_Set_2_keyboard" = {
+    #     xkb_layout = "us";
+    #     xkb_options = "grp:win_space_toggle";
+    #     xkb_variant = "altgr-intl";
+    #   };
+    # };
+    keybindings = { };
+  };
+}

profiles/optional/home/work.nix

@@ -0,0 +1,8 @@
+{ pkgs, ... }:
+
+{
+  home.packages = with pkgs; [
+    teams-for-linux
+    google-chrome
+  ];
+}

profiles/optional/nixos/work.nix

@@ -0,0 +1,5 @@
+{ pkgs, ... }:
+{
+  programs._1password.enable = true;
+  programs._1password-gui.enable = true;
+}