nixos-iso -> nixos-gnome, init cosmic iso, kernel: zen -> cachyos

Signed-off-by: John Titor <50095635+JohnRTitor@users.noreply.github.com>

Author: JohnRTitor

README.md

@@ -24,10 +24,10 @@ git clone https://github.com/JohnRTitor/nix-iso.git
 cd nix-iso
 ```
 
-* For building full graphical ISO
+* For building full GNOME ISO
 
-```shell
-env NIXPKGS_ALLOW_BROKEN=1 nix build .#nixosConfigurations.nixos-iso.config.system.build.isoImage --impure
+```bash
+env NIXPKGS_ALLOW_BROKEN=1 nix build .#nixosConfigurations.nixos-gnome.config.system.build.isoImage --impure
 ```
 
 * For building minimal ISO

common.nix

@@ -0,0 +1,42 @@
+{
+  inputs,
+  lib,
+  pkgs,
+  ...
+}: {
+  imports = [
+    inputs.chaotic.nixosModules.default
+  ];
+
+  nixpkgs.config.allowUnfree = true;
+  # Set environment variable for allowing non-free packages
+  environment.sessionVariables = {
+    NIXPKGS_ALLOW_UNFREE = "1";
+  };
+
+  nix.settings.experimental-features = [
+    "nix-command"
+    "flakes"
+  ]; # enable nix command and flakes
+
+  nixpkgs.overlays = [
+    (final: prev: {
+      bcachefs-tools = inputs.bcachefs-tools.packages.${pkgs.system}.bcachefs-tools;
+    })
+  ];
+
+  boot.kernelPackages = pkgs.linuxPackages_cachyos;
+
+  boot.zfs.package = lib.mkOverride 99 pkgs.zfs_cachyos;
+
+  environment.systemPackages = with pkgs; [
+    # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    vim
+    git
+    curl
+    parted
+    efibootmgr
+  ];
+
+  # Wireless network and wired network is enabled by default
+}

cosmic/cosmic.nix

@@ -0,0 +1,24 @@
+# This module defines a NixOS installation CD that contains Cosmic.
+
+{ lib, inputs, ... }:
+
+{
+  imports = [
+    "${inputs.nixpkgs}/nixos/modules/installer/cd-dvd/channel.nix"
+    "${inputs.nixpkgs}/nixos/modules/installer/cd-dvd/installation-cd-graphical-base.nix"
+  ];
+
+  isoImage.edition = lib.mkDefault "cosmic";
+
+  services.desktopManager.cosmic = {
+    enable = true;
+    xwayland.enable = true;
+  };
+
+  services.displayManager.cosmic-greeter.enable = true;
+
+  services.displayManager.autoLogin = {
+    enable = true;
+    user = "nixos";
+  };
+}

cosmic/default.nix

@@ -0,0 +1,21 @@
+# This module defines a NixOS installation CD that contains Cosmic.
+
+{ lib, pkgs, ... }:
+
+{
+  imports = [
+    ./cosmic.nix
+    ../common.nix
+  ];
+
+  networking.hostName = "nixos-cosmic"; # set live session hostname
+
+  # Enable NetworkManager to manage network connections.
+  networking.networkmanager.enable = true;
+  hardware.bluetooth.enable = true; # enables support for Bluetooth
+
+  environment.systemPackages = with pkgs; [
+    gparted
+    google-chrome
+  ];
+}