add fish

configuration.nix

@@ -16,7 +16,7 @@ in
     ./misc.nix
     ./packages.nix
     (import "${home-manager}/nixos")
-    ./user/stormwind/user.nix
+    ./user/stormwind/master.nix
     ./sshd.nix
   ];
 

user/stormwind/fish.nix

@@ -0,0 +1,28 @@
+{ config, pkgs, ... }:
+
+# These are all scoped in home-manager.users.stormwind.
+{
+  programs.fish = {
+    enable = true;
+    interactiveShellInit = ''
+      set fish_greeting # Disable greeting
+      fish_vi_key_bindings # Vi bindings
+    '';
+
+    plugins = [
+      # Enable a plugin (here grc for colorized command output) from nixpkgs
+      { name = "grc"; src = pkgs.fishPlugins.grc.src; }
+      # Manually packaging and enable a plugin
+      {
+        name = "z";
+        src = pkgs.fetchFromGitHub {
+          owner = "jethrokuan";
+          repo = "z";
+          rev = "e0e1b9dfdba362f8ab1ae8c1afc7ccf62b89f7eb";
+          sha256 = "0dbnir6jbwjpjalz14snzd3cgdysgcs3raznsijd6savad3qhijc";
+        };
+      }
+    ];
+  };
+}
+

user/stormwind/master.nix

@@ -1,6 +1,27 @@
 { config, pkgs, ... }:
 
 {
+  # Also install these globally
+  programs.fish.enable = true;
+  environment.systemPackages = with pkgs; [
+    fishPlugins.done
+    fishPlugins.fzf-fish
+    fishPlugins.forgit
+    fishPlugins.hydro
+    fzf
+    fishPlugins.grc
+    grc
+  ];
+
+  # Keep bash as the interactive shell (bcuz fish is not posix compliant) and launch fish immediately
+  programs.bash.interactiveShellInit = ''
+    if [[ $(${pkgs.procps}/bin/ps --no-header --pid=$PPID --format=comm) != "fish" && -z ''${BASH_EXECUTION_STRING} ]]
+    then
+      shopt -q login_shell && LOGIN_OPTION='--login' || LOGIN_OPTION=""
+      exec ${pkgs.fish}/bin/fish $LOGIN_OPTION
+    fi
+  '';
+
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.stormwind = {
     isNormalUser = true;
@@ -21,6 +42,7 @@
     imports =
       [ 
         ./git.nix
+        ./fish.nix
       ];
 
     home.stateVersion = "24.11";