fixed unbound variable issue with viconf. TODO: make this script not awful

modules/home/programs/nixvim/keymaps.nix

@@ -1,6 +1,11 @@
 {
   programs.nixvim = {
     keymaps = [
+      {
+        action = "gg<S-V>G"; # select entire document
+        key = "<C-a>";
+        mode = "n";
+      }
       {
         action = "<cmd>ChatGPTEditWithInstructions<CR>";
         key = "!egpt";

overlay/scripts/commands/viconf.nix

@@ -3,9 +3,8 @@ pkgs.writeShellApplication {
   name = "viconf";
   runtimeInputs = with pkgs; [ coreutils fd ripgrep fzf ];
   text = ''
-    #!/usr/bin/env bash
-
-    if [ ! $# -eq 1 ]; then
+    set -- "''${1:-}"
+    if [ ! $# -lt 1 ]; then
       results=$(find "$FLAKEPATH" -exec find {} \; | sort | uniq | rg '\.nix$')
       numresults=$(echo "$results" | wc -l)
     else
@@ -20,10 +19,16 @@ pkgs.writeShellApplication {
       # cut up the paths to give shorter path names to fuzzy finder
       results_prefix=$(echo "$results" | tail -n 1 | cut -d'/' -f-3)
       results=$(echo "$results" | cut -d'/' -f4-)
+      if [ -n "$1" ]; then
         results=$(echo "$results" | grep "$1")
+      fi
 
       file=$(echo "$results" | tr ' ' '\n' | fzf)
+			if [ -n "$file" ]; then
 				file="$results_prefix/$file"
+			else
+				exit 1
+			fi
 
       # Check if the file contains any non-UTF-8 characters
       if grep --color='auto' -P -q "[^\x00-\x7F]" "$file"; then