add nushell

configuration.nix

@@ -93,7 +93,7 @@ in {
     isNormalUser = true;
     extraGroups =
       [ "wheel" "wireshark" "podman" ]; # Enable ‘sudo’ for the user.
-    shell = pkgs.fish;
+    shell = pkgs.nushell;
     home = "/home/allen";
     packages = with pkgs; [ tree ];
   };

home.nix

@@ -9,6 +9,7 @@
     ./modules/home/starship.nix
     ./modules/home/alacritty.nix
     ./modules/home/bash.nix
+    ./modules/home/nushell.nix
   ];
 
   home.username = "allen";

modules/home/nushell.nix

@@ -0,0 +1,37 @@
+{ ... }: {
+  programs = {
+    nushell = {
+      enable = true;
+      configFile.source = ../../shell/config.nu;
+      shellAliases = { vi = "nvim"; };
+      extraConfig = ''
+        let carapace_completer = {|spans|
+        carapace $spans.0 nushell ...$spans | from json
+        }
+        $env.config = {
+         show_banner: false,
+         completions: {
+         case_sensitive: false # case-sensitive completions
+         quick: true    # set to false to prevent auto-selecting completions
+         partial: true    # set to false to prevent partial filling of the prompt
+         algorithm: "fuzzy"    # prefix or fuzzy
+         external: {
+         # set to false to prevent nushell looking into $env.PATH to find more suggestions
+             enable: true 
+         # set to lower can improve completion performance at the cost of omitting some options
+             max_results: 100 
+             completer: $carapace_completer # check 'carapace_completer' 
+           }
+         }
+        } 
+        $env.PATH = ($env.PATH | 
+        split row (char esep) |
+        prepend /home/myuser/.apps |
+        append /usr/bin/env
+        )
+      '';
+    };
+    carapace.enable = true;
+    carapace.enableNushellIntegration = true;
+  };
+}

pkgs/util.nix

@@ -5,6 +5,7 @@
 with pkgs; [
   neofetch
   nnn # terminal file manager
+  nushell
 
   # archives
   zip
@@ -73,4 +74,5 @@ with pkgs; [
   airspyhf
   pstree
   gptfdisk
+  nix-search
 ]