Switch to using nushell as default again

Keep zsh as defaultUserShell (so same for root user), ensure emacs
also uses zsh instead of nu for POSIX compliance

Switch nu tables back to rounded configuration

flake.nix

@@ -28,7 +28,7 @@
       systemModules ? [],
       homeModules ? [],
     }: let
-      shell = "zsh";
+      defaultUserShell = "zsh";
       specialArgs = {
         inherit hostName user;
         accentColour = "base0E"; # magenta
@@ -72,7 +72,7 @@
               };
               nixpkgs.config.allowUnfree = true;
               networking = {inherit hostName;};
-              programs.${shell}.enable = true;
+              programs.${defaultUserShell}.enable = true;
               system = {
                 inherit stateVersion;
                 autoUpgrade = {
@@ -88,7 +88,7 @@
                 };
               };
               users = {
-                defaultUserShell = pkgs.${shell};
+                defaultUserShell = pkgs.${defaultUserShell};
                 users = let
                   authorizedKeys.keys = [
                     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINI1dWlS16Keil0MGPWmMsBzx8F9ylfz+fRwxUr8/tZ/ ion"
@@ -100,6 +100,7 @@
                   root.openssh = {inherit authorizedKeys;};
                   ${user} = {
                     group = "users";
+                    shell = pkgs.nushell;
                     isNormalUser = true;
                     description = "Evie Litherland-Smith";
                     extraGroups = ["networkmanager" "wheel" "video" "input" "uinput"];

home/default.nix

@@ -30,7 +30,7 @@
       enable = true;
       git = true;
       icons = true;
-      enableAliases = true;
+      enableAliases = false;
       extraOptions = ["--octal-permissions"];
     };
     readline = {

home/emacs/default.nix

@@ -11,9 +11,11 @@
     package = pkgs.emacs29-pgtk;
     extraConfig = with builtins;
     with config; let
+      shell = "${pkgs.zsh}/bin/zsh";
       font = "${stylix.fonts.monospace.name}-${toString stylix.fonts.sizes.applications}";
       alpha = "${toString (floor (mul stylix.opacity.applications 100))}";
     in ''
+      (customize-set-variable 'shell-file-name "${shell}")
       (add-to-list 'initial-frame-alist '(font . "${font}"))
       (add-to-list 'default-frame-alist '(font . "${font}"))
       (add-to-list 'initial-frame-alist '(alpha-background . ${alpha}))

home/nushell/config.nu

@@ -2,6 +2,6 @@ $env.config = {
   show_banner: false,
   edit_mode: emacs,
   table: {
-    mode: compact,
+    mode: rounded,
   },
 }