Add configuration for root user (curious if this works)

configuration.nix

@@ -89,6 +89,11 @@ in
   # Enable touchpad support (enabled default in most desktopManager).
   services.xserver.libinput.enable = true;
 
+  # root config
+  users.users.root = {
+    shell = pkgs.fish;
+  }
+
   # User config
   users.users.${user} = {
     isNormalUser = true;

home-manager.nix

@@ -10,6 +10,53 @@ in
   ];
 
   # root home
+  home-manager.users.root = { pkgs, ... }: {
+    home.username = "root";
+    home.homeDirectory = "/root";
+    home.stateVersion = "22.11";
+
+    programs = {
+      fish = {
+        enable = true;
+        interactiveShellInit =
+''
+set fish_greeting "Good Morning! Nice day for fishing ain't it! Hu ha!"
+'';
+        shellAliases = {
+          wget = "wget -c";
+        };
+        functions = {
+          fish_prompt =
+  ''
+  # Defined in /home/marc/.config/fish/functions/fish_prompt.fish @ line 2
+  # slightly modified from defaults
+      set -l last_pipestatus $pipestatus
+      set -lx __fish_last_status $status # Export for __fish_print_pipestatus.
+      set -l normal (set_color normal)
+
+      # Color the prompt differently when we're root
+      set -l color_cwd $fish_color_cwd
+      set -l suffix '>'
+
+      # If we're running via SSH, change the host color.
+      set -l color_host $fish_color_host
+
+      # Write pipestatus
+      # If the status was carried over (e.g. after `set`), don't bold it.
+      set -l bold_flag --bold
+      set -q __fish_prompt_status_generation; or set -g __fish_prompt_status_generation $status_generation
+      if test $__fish_prompt_status_generation = $status_generation
+          set bold_flag
+      end
+      set __fish_prompt_status_generation $status_generation
+      set -l prompt_status (__fish_print_pipestatus "[" "]" "|" (set_color $fish_color_status) (set_color $bold_flag $fish_color_status) $last_pipestatus)
+
+      echo -n -s (set_color $fish_color_user) "$USER" $normal (set_color $fish_color_separator) @ $normal (set_color $color_host) (prompt_hostname) $normal ' ' (set_color $color_cwd) (prompt_pwd) $normal (fish_vcs_prompt) $normal " "$prompt_status $suffix " "
+  '';
+        };
+      };
+    };
+  };
 
   # keep everything using home manager within this block
   home-manager.users.${user} = { pkgs, ... }: {