integrate tmux further

home/base/programs/tmux.nix

@@ -42,4 +42,5 @@
       tmuxPlugins.yank
     ];
   };
+  programs.fzf.tmux.enableShellIntegration = true;
 }

home/base/shell/fish.nix

@@ -6,18 +6,17 @@
     interactiveShellInit = ''
       set fish_greeting # Disable greeting
       fish_vi_key_bindings # Enable Vi mode
-      fish_config theme choose "Catppuccin Frappe"
+
+      function fzf --wraps=fzf --description="Use fzf-tmux if in tmux session"
+      if set --query TMUX
+        fzf-tmux $argv
+      else
+        command fzf $argv
+      end
+    end
     '';
     shellAbbrs = { cd = "z"; ngc = "sudo nix-collect-garbage -d"; };
     plugins = [ { name = "fzf"; src = pkgs.fishPlugins.fzf.src; } ];
   };
-  # Fetch the Catppuccin theme
-  xdg.configFile."fish/themes/Catppuccin Frappe.theme".source = pkgs.fetchFromGitHub {
-    owner = "catppuccin";
-    repo = "fish";
-    rev = "a3b9eb5eaf2171ba1359fe98f20d226c016568cf";
-    sha256 = "sha256-shQxlyoauXJACoZWtRUbRMxmm10R8vOigXwjxBhG8ng=";
-  } + "/themes/Catppuccin Frappe.theme";
-
 }