Remove `isWSL` and its related option module!

Including adding my SSH Keys to the `nixos` user, turning off password authentication, and basically nulling out `zsh-newuser-install` so it doesn't bug me every start the first shell on a fresh boot.

flake.nix

@@ -90,15 +90,6 @@
 
     inherit (import ./system/sshKeys.nix) mySSHKeys;
 
-    myOptions = { lib, ... }: {
-      options = {
-        isWSL = lib.mkOption {
-          default = false;
-          type = lib.types.bool;
-        };
-      };
-    };
-
   in
   {
   # Notes
@@ -118,7 +109,6 @@
       nixos-wsl = nixpkgs.lib.nixosSystem {
         system = "x86_64-linux";
         modules = [
-          myOptions
           ./system/nixos-wsl/configuration.nix
           ./system/dotnet_os_codename-workaround.nix
             # Source of this fix file is
@@ -132,8 +122,6 @@
           {
             system.configurationRevision = self.shortRev or self.dirtyShortRev or "dirty";
 
-            isWSL = true;
-
             users.users.whovian = {
               # extraGroups = myWslGroups;
                 # See above "let" expression
@@ -179,6 +167,7 @@
           {
 
           /*
+
             isoImage = {
             # Defaults
               isoName = "nixos-24.11.20240607.051f920-x86_64-linux.iso";
@@ -203,6 +192,14 @@
 
           */
 
+            isoImage = {
+              isoBaseName = "Whovian-nixos";
+                # Defaults to config.system.nixos.distroId
+                  # config.system.nixos.distroId simply output... "nixos" lol
+                # I'm adding "Whovian-" in front because I like marking that
+                  # it's a custom image.
+            };
+
             environment.systemPackages = [
               pkgs._7zz
               pkgs.bat
@@ -230,6 +227,14 @@
               screen.enable = true;
               zsh = {
                 enable = true;
+                shellInit = '' zsh-newuser-install () {} '';
+                /*
+                  Disable "zsh/newuser" since this is a Live-DVD!
+                  I just want a working shell to use, please.
+                  See https://www.zsh.org/mla/users/2007/msg00396.html for
+                  some conversation about this unchanged feature! ...
+                  17 years later!
+                */
                 # Honestly unsure if I should be using `programs.zsh.envExtra` or
                 # `programs.zsh.localVariables` here.
               /*
@@ -246,10 +251,15 @@
 
             users = {
               defaultUserShell = pkgs.zsh;
-              users.root = {
-                shell = pkgs.zsh;
-                openssh.authorizedKeys.keys = mySSHKeys;
-                  # Check if needed for "nixos" ISO user.
+              users.root.openssh.authorizedKeys.keys = mySSHKeys;
+              users.nixos.openssh.authorizedKeys.keys = mySSHKeys;
+            };
+
+            services.openssh = {
+              enable = true;
+              settings = {
+                PasswordAuthentication = false;
+                KbdInteractiveAuthentication = false;
               };
             };
           }

system/users.nix

@@ -1,6 +1,6 @@
 {
   lib,
-  config,
+  options,
   pkgs,
   ...
 }:
@@ -15,12 +15,8 @@
         extraGroups = [
           "wheel"
             # Enable 'sudo' for the user.
-        ] ++ lib.optionals (!config.isWSL) [
+        ] ++ lib.optionals (!options ? wsl) [
         # These are the groups for baremetal machines, or possibly VMs.
-          "networkmanager"
-            # Enable use of NetworkManager
-          "usb"
-            # This should enable access to usb devices.
           "docker"
             # Enable 'docker' for the user.
         ];