hosts: fix mkNixosSystem

hosts/caesar/default.nix

@@ -1 +1,67 @@
-{}
+{
+  config,
+  lib,
+  pkgs,
+  modulesPath,
+  ...
+}: {
+  imports = [
+    (modulesPath + "/virtualisation/qemu-vm.nix")
+  ];
+
+  config = {
+    zramSwap.enable = lib.mkForce false;
+    services.thermald.enable = lib.mkForce false;
+
+    boot = {
+      initrd.supportedFilesystems = ["ext4"];
+
+      kernelPackages = lib.mkOverride 0 pkgs.linuxPackages_latest;
+    };
+
+    programs.zsh = {
+      enable = true;
+      enableCompletion = true;
+      promptInit = ''
+        eval "$(${lib.getExe pkgs.starship} init zsh)"
+      '';
+    };
+
+    virtualisation = {
+      memorySize = 8000;
+      diskSize = 200000;
+      cores = 8;
+
+      # fs
+      useDefaultFilesystems = false;
+      rootDevice = "/dev/disk/by-label/NIXOS_ROOT";
+
+      fileSystems = {
+        "/" = {
+          device = "${config.virtualisation.rootDevice}";
+          fsType = "xfs";
+        };
+      };
+
+      interfaces = {
+        vm0.vlan = 1;
+      };
+    };
+
+    boot.initrd.preLVMCommands = with pkgs; ''
+      if ! test -b /dev/vda2; then
+          ${pkgs.parted}/bin/parted --script /dev/vda -- mklabel msdos
+          ${pkgs.parted}/bin/parted --script /dev/vda -- mkpart primary 1MiB -250MiB
+          ${pkgs.parted}/bin/parted --script /dev/vda -- mkpart primary -250MiB 100%
+          sync
+        fi
+
+      FSTYPE=$(blkid -o value -s TYPE /dev/vda2 || true)
+      if test -z "$FSTYPE"; then
+        ${xfsprogs}/bin/mkfs.xfs /dev/vda1 -L NIXOS_ROOT -m crc=0
+      fi
+    '';
+
+    system.stateVersion = "24.05";
+  };
+}

hosts/default.nix

@@ -15,7 +15,7 @@
   } @ args:
     mkSystem {
       inherit system;
-      modules = {networking.hostName = hostname;} // args.modules or {};
+      modules = [{networking.hostName = hostname;}] ++ args.modules or [];
       specialArgs = {inherit inputs self;} // args.specialArgs or {};
     };