organize modules

modules/system/core/bootloader.nix

@@ -0,0 +1,21 @@
+{ pkgs, legacy-boot, ... }: {
+  boot = {
+    plymouth.enable = true;
+    loader = {
+      efi.canTouchEfiVariables = true;
+      systemd-boot = {
+        enable = !legacy-boot;
+        configurationLimit = 3;
+        sortKey = "z-nixos";
+        editor = false;
+      };
+      grub = {
+        enable = legacy-boot;
+        device = "/dev/sda";
+        useOSProber = true;
+        default = "saved";
+        theme = "${pkgs.libsForQt5.breeze-grub}/grub/themes/breeze";
+      };
+    };
+  };
+}

modules/system/core/filesystem.nix

@@ -0,0 +1,23 @@
+{ swapfile, ... }:
+{
+  boot.supportedFilesystems = [
+    "ext4"
+    "btrfs"
+    "vfat"
+    "ntfs"
+    "exfat"
+  ];
+
+  swapDevices =
+    if swapfile == 0 then
+      [ ]
+    else
+      [
+        {
+          device = "/swapfile";
+          size = swapfile;
+        }
+      ];
+      
+  services.fstrim.enable = true;
+}

modules/system/core/kernel.nix

@@ -0,0 +1,12 @@
+{ ... }: {
+  boot = {
+    kernelParams = [
+      #"quiet"
+      "boot.shell_on_fail"
+      "loglevel=3"
+      "rd.systemd.show_status=true"
+      #"rd.udev.log_level=3"
+      "udev.log_priority=3"
+    ];
+  };
+}

modules/system/core/network.nix

@@ -0,0 +1,52 @@
+{ pkgs, wol, ... }: {
+  boot = {
+    kernelModules = [
+      "rndis_host"
+      "cdc_ether"
+    ];
+    kernel.sysctl = {
+      "net.ipv4.ip_forward" = 1;
+      "net.ipv6.conf.all.forwarding" = 1;
+    };
+  };
+
+  networking = {
+    networkmanager.enable = true;
+    firewall.enable = false;
+    nameservers = [
+      "1.1.1.1"
+      "1.0.0.1"
+    ];
+  };
+
+  systemd.services."wol" = {
+    enable = wol != "";
+    description = "Wake-on-LAN for ${wol}";
+    requires = [ "network.target" ];
+    after = [ "network.target" ];
+    serviceConfig = {
+      ExecStart = "${pkgs.ethtool}/bin/ethtool -s ${wol} wol g";
+      Type = "oneshot";
+    };
+    wantedBy = [
+      # just in case
+      "multi-user.target"
+      "sleep.target"
+      "suspend.target"
+      "hibernate.target"
+      "hybrid-sleep.target"
+      "shutdown.target"
+      "reboot.target"
+      "halt.target"
+    ];
+  };
+
+  services = {
+    avahi = {
+      enable = true;
+      nssmdns4 = true;
+    };
+    cloudflare-warp.enable = true;
+    resolved.enable = true;
+  };
+}

modules/system/core/virtualization.nix

@@ -0,0 +1,21 @@
+{ ... }: {
+  virtualisation = {
+    # waydroid.enable = true;
+    docker.enable = true;
+    # libvirtd = {
+    #   enable = true;
+    #   qemu = {
+    #     package = pkgs.qemu_kvm;
+    #     swtpm.enable = true;
+    #     runAsRoot = false;
+    #     ovmf = {
+    #       enable = false;
+    #       packages = [(pkgs.OVMF.override {
+    #         secureBoot = true;
+    #         tpmSupport = true;
+    #       }).fd];
+    #     };
+    #   };
+    # };
+  };
+}