update for ubuntu nix

scripts/check-home-manager.sh

@@ -4,6 +4,7 @@ set -euo pipefail
 echo "🔍 Checking if Nix is installed..."
 if ! command -v nix &> /dev/null; then
   echo "❌ Nix is not installed. Install it from https://nixos.org/download.html"
+  echo "$ curl -L https://nixos.org/nix/install | sh -s -- --daemon"
   exit 1
 fi
 echo "✅ Nix is installed."
@@ -23,6 +24,15 @@ if [ -x "$HM_BIN" ]; then
   echo "   Ensure it's not managing your home separately from your flake config."
 fi
 
+STATE_DIR="$HOME/.local/state/nix/profiles"
+if [ ! -d "$STATE_DIR" ]; then
+  echo "📁 Creating Nix state dir at: $STATE_DIR"
+  mkdir -p "$STATE_DIR"
+fi
+
+echo
+read -r -p "🚀 Do you want to check the Home Manager configuration for duplicate packages now? [y/N] " confirm_packages
+if [[ "$confirm_packages" =~ ^[Yy]$ ]]; then
 echo "📦 Gathering APT-installed packages..."
 apt list --manual-installed 2>/dev/null | awk -F/ '{print tolower($1)}' | sort > /tmp/apt-installed.txt
 
@@ -72,6 +82,7 @@ rm /tmp/home-manager-packages.txt
 rm /tmp/duplicate-packages.txt
 rm /tmp/exact-matches.txt
 rm /tmp/fuzzy-matches.txt
+fi
 
 # check username and home dir
 EXPECTED_USERNAME="wieerwill"