diff --git a/modules/programs/fish.nix b/modules/programs/fish.nix
index 4cb4bb2..d38f6d5 100644
--- a/modules/programs/fish.nix
+++ b/modules/programs/fish.nix
@@ -57,15 +57,23 @@ in
             ${exportedVariables}
           '';
           functions = {
-            gi = ''
+            gi = with pkgs; ''
               set url https://www.gitignore.io/api
-              if test (count $argv) -ne 1
-                set list (curl -sL $url/list | string split ",")
-                set choice (string split " " $list | fzf -m --preview "curl -sL $url/{}" | string join ",")
+
+              if test (count $argv) -eq 0
+                set choice ( curl -sL $url/list \
+                           | string split "," \
+                           | ${fzf}/bin/fzf -m \
+                           | string join "," )
               else
-                set choice $argv[1]
+                set choice (string join "," $argv[1..])
+              end
+
+              if ${gum}/bin/gum confirm "Overwrite current .gitignore?"
+                ${curl}/bin/curl -sL $url/$choice > .gitignore
+              else
+                ${curl}/bin/curl -sL $url/$choice >> .gitignore
               end
-              curl -sL $url/$choice > .gitignore
             '';
             fish_greeting = "";
             cheat = "cht.sh $argv | bat -p";