astora: nushell with starship prompt and carapace completion

nixosConfigurations/astora/users.nix

@@ -116,6 +116,7 @@ in {
 
       kdePackages.kmail
       kdePackages.kmail-account-wizard
+      kdePackages.krdc
 
       flacon
       picard
@@ -148,6 +149,73 @@ in {
       accent = "green";
     };
 
+    programs = {
+      nushell = {
+        enable = true;
+        # The config.nu can be anywhere you want if you like to edit your Nushell with Nu
+        #configFile.source = ./.../config.nu;
+        # for editing directly to config.nu
+        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"
+               external: {
+                   enable: true
+                   max_results: 100
+                   completer: $carapace_completer
+                 }
+               }
+          }
+        '';
+      };
+      carapace = {
+        enable = true;
+        enableNushellIntegration = true;
+        enableBashIntegration = true;
+      };
+
+      starship = {
+        enable = true;
+        enableNushellIntegration = true;
+        enableBashIntegration = true;
+        settings = {
+          add_newline = true;
+          format = ''
+            $all $fill $time
+            $character
+          '';
+          fill = {
+            symbol = " ";
+          };
+          line_break = {
+            disabled = true;
+          };
+          directory = {
+            truncate_to_repo = false;
+          };
+          time = {
+            disabled = false;
+            use_12hr = true;
+          };
+          character = {
+            success_symbol = "[❯](bold green)";
+            error_symbol = "[❯](bold red)";
+          };
+          nix_shell = {
+            symbol = " ";
+            heuristic = true;
+          };
+        };
+      };
+    };
+
     programs = {
       # General
       fish = {