feat(tazjin/nixos): Add system configuration for zamalek

This is my new Huawei MateBook X.

Change-Id: I32a8b77dd8f53b3c89bf63f448cd2880f9a457b7
Reviewed-on: https://cl.tvl.fyi/c/depot/+/5554
Tested-by: BuildkiteCI
Reviewed-by: tazjin <tazjin@tvl.su>
Autosubmit: tazjin <tazjin@tvl.su>

ops/machines/all-systems.nix

@@ -9,6 +9,7 @@
   camden
   frog
   tverskoy
+  zamalek
 ]) ++
 
 (with depot.users.grfn.system.system; [

users/tazjin/home/zamalek.nix

@@ -0,0 +1,10 @@
+# Home manage configuration for zamalek.
+
+{ depot, pkgs, ... }: # readTree
+{ config, lib, ... }: # home-manager
+
+{
+  imports = [
+    depot.users.tazjin.home.shared
+  ];
+}

users/tazjin/nixos/default.nix

@@ -6,4 +6,5 @@ in depot.nix.readTree.drvTargets {
   frogSystem = systemFor depot.users.tazjin.nixos.frog;
   tverskoySystem = systemFor depot.users.tazjin.nixos.tverskoy;
   polyankaSystem = (depot.ops.nixos.nixosFor depot.users.tazjin.nixos.polyanka).system;
+  zamalekSystem = systemFor depot.users.tazjin.nixos.zamalek;
 }

users/tazjin/nixos/tverskoy/default.nix

@@ -1,3 +1,4 @@
+# tverskoy is my Thinkpad X13 AMD 1st gen
 { depot, lib, pkgs, ... }:
 
 config:

users/tazjin/nixos/zamalek/default.nix

@@ -0,0 +1,71 @@
+# zamalek is my Huawei MateBook X (unknown year)
+{ depot, lib, pkgs, ... }:
+
+config:
+let
+  mod = name: depot.path + ("/ops/modules/" + name);
+  usermod = name: depot.path + ("/users/tazjin/nixos/modules/" + name);
+
+  zdevice = device: {
+    inherit device;
+    fsType = "zfs";
+  };
+in
+{
+  imports = [
+    (usermod "desktop.nix")
+    (usermod "fonts.nix")
+    (usermod "home-config.nix")
+    (usermod "laptop.nix")
+    (usermod "persistence.nix")
+    (usermod "physical.nix")
+    (usermod "zerotier.nix")
+
+    (depot.third_party.impermanence + "/nixos.nix")
+    (pkgs.home-manager.src + "/nixos")
+  ];
+
+  tvl.cache.enable = true;
+
+  boot = {
+    initrd.availableKernelModules = [ "nvme" "xhci_pci" ];
+    loader.systemd-boot.enable = true;
+    loader.efi.canTouchEfiVariables = true;
+    supportedFilesystems = [ "zfs" ];
+    zfs.devNodes = "/dev/";
+  };
+
+  fileSystems = {
+    "/" = zdevice "zpool/ephemeral/root";
+    "/home" = zdevice "zpool/ephemeral/home";
+    "/persist" = zdevice "zpool/persistent/data" // { neededForBoot = true; };
+    "/nix" = zdevice "zpool/persistent/nix";
+    "/depot" = zdevice "zpool/persistent/depot";
+
+    "/boot" = {
+      device = "/dev/disk/by-uuid/2487-3908";
+      fsType = "vfat";
+    };
+  };
+
+  networking = {
+    hostName = "zamalek";
+    domain = "tvl.su";
+    hostId = "ee399356";
+    networkmanager.enable = true;
+
+    nameservers = [
+      "8.8.8.8"
+      "8.8.4.4"
+    ];
+  };
+
+  hardware = {
+    cpu.intel.updateMicrocode = true;
+    bluetooth.enable = true;
+    enableRedistributableFirmware = true;
+    opengl.enable = true;
+  };
+
+  system.stateVersion = "21.11";
+}