Migrate helium to flakes

hosts/helium/configuration.nix

@@ -4,8 +4,6 @@
   system.autoUpgrade.allowReboot = lib.mkForce false;
 
   networking = {
-    hostName = "helium";
-
     wg-quick.interfaces = {
       wg1 = {
         autostart = false;
@@ -32,19 +30,6 @@
     ${pkgs.xorg.xrandr}/bin/xrandr --output DisplayPort-0 --auto --pos 0x0 --primary --output eDP --auto --pos 3840x360
   '';
 
-  boot = {
-    loader.timeout = 3;
-    initrd.luks = {
-      fido2Support = true;
-      devices."luks-f6e1979b-0dee-4ee9-8170-10490019854b".fido2 = {
-        passwordLess = true;
-        credential = "df9233221fa09173fea61d8b8516d184f8ede475024a88201b34d838ecf306ee070052dae2262619c1da2be7562ec9dd94888c71a9326fea70dfe16214b5ea8ec014d86afa01";
-      };
-    };
-    resumeDevice = "/dev/mapper/luks-f6e1979b-0dee-4ee9-8170-10490019854b";
-    kernelParams = [ "resume_offset=44537856" ];
-  };
-
   imports = [
     ../../shared/base.nix
 
@@ -68,5 +53,7 @@
     ../../personal/programs/redshift.nix
     ../../personal/programs/study.nix
     ../../personal/programs/usb-automount.nix
+
+    ../../servers/syncthing.nix
   ];
 }

hosts/helium/state.nix

@@ -0,0 +1,50 @@
+{
+  config,
+  lib,
+  modulesPath,
+  ...
+}:
+{
+  system.stateVersion = "23.11";
+  boot = {
+    resumeDevice = "/dev/mapper/luks-f6e1979b-0dee-4ee9-8170-10490019854b";
+    kernelParams = [ "resume_offset=44537856" ];
+  };
+
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  boot.initrd.availableKernelModules = [
+    "nvme"
+    "xhci_pci"
+    "usbhid"
+    "usb_storage"
+    "sd_mod"
+  ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" = {
+    device = "/dev/disk/by-uuid/25115cdc-3b55-4dbf-a414-98a1a3c44f52";
+    fsType = "ext4";
+  };
+
+  boot.initrd.luks.devices."luks-f6e1979b-0dee-4ee9-8170-10490019854b".device =
+    "/dev/disk/by-uuid/f6e1979b-0dee-4ee9-8170-10490019854b";
+
+  fileSystems."/boot" = {
+    device = "/dev/disk/by-uuid/6E23-00AF";
+    fsType = "vfat";
+    options = [
+      "fmask=0022"
+      "dmask=0022"
+    ];
+  };
+
+  networking.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}