Nixos: Move shell prompt (Starship) into Fish module

home/modules/fish/default.nix

@@ -215,5 +215,27 @@ in {
           })
         ];
     };
+
+    programs.starship = let
+      flavour = "latte"; # One of `latte`, `frappe`, `macchiato`, or `mocha`
+    in {
+      enable = true;
+      enableFishIntegration = config.modules.fish.enable;
+      settings =
+        {
+          # Other config here
+          format = "$all"; # Remove this line to disable the default prompt format
+          palette = "catppuccin_${flavour}";
+        }
+        // builtins.fromTOML (builtins.readFile
+          (pkgs.fetchFromGitHub
+            {
+              owner = "catppuccin";
+              repo = "starship";
+              rev = "3e3e54410c3189053f4da7a7043261361a1ed1bc";
+              sha256 = "sha256-soEBVlq3ULeiZFAdQYMRFuswIIhI9bclIU8WXjxd7oY=";
+            }
+            + /palettes/${flavour}.toml));
+    };
   };
 }