add fishAliases

config.local.nix

@@ -23,6 +23,31 @@
       '';
       agu = "pkill gjs & ags run ~/.config/nixos/pkgs/ags/biscuit/app.ts & disown (jobs -p) &";
     };
+    fishAliases = {
+      shellAliases = {
+        ls = "ls --color=auto";
+      };
+
+      functions = {
+        update = {
+          body = ''
+            if test (uname) = "Darwin"
+              sudo darwin-rebuild switch --flake ~/.config/nixos#macos
+            else
+              sudo nixos-rebuild switch --flake ~/.config/nixos#desktop; and home-manager switch --flake ~/.config/nixos#desktop
+            end
+          '';
+        };
+
+        agu = {
+          body = ''
+            pkill gjs
+            ags run ~/.config/nixos/pkgs/ags/biscuit/app.ts &
+            disown (jobs -p)
+          '';
+        };
+      };
+    };
   };
 
   allowUnfree = true; # allows installation of commercial apps.

pkgs/fish/default.nix

@@ -12,7 +12,7 @@
       zoxide init fish | source
 
     '';
-    shellAliases = terminal.shellAliases;
+    shellAliases = terminal.fishAliases;
 
     plugins = with pkgs.fishPlugins; [
     ];