Add copy_config step to install script

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

lib/scripts/install.sh

@@ -3,6 +3,7 @@
 set -o errexit
 set -o nounset
 set -o pipefail
+set -x
 
 check_root() {
   if [[ "${EUID}" -ne 0 ]]; then
@@ -116,6 +117,17 @@ copy_keys() {
   done
 }
 
+copy_config() {
+  echo "Would you like to copy the current configuration (including keys) to the target system? [y/N]"
+  read -r copy_config
+
+  if [[ "${copy_config}" =~ ^([yY][eE][sS]|[yY])$ ]]; then
+    rm -rf /mnt/etc/nixos
+    cp -r . /mnt/etc/nixos
+    echo "Configuration copied successfully."
+  fi
+}
+
 install() {
   nixos-install --root /mnt --flake ".#${host}"
 }
@@ -135,6 +147,7 @@ main() {
       prepare_disk "disko"
       copy_keys
       install
+      copy_config
       echo "Installation complete. Please reboot your system."
       ;;
     2)