if ! echo $all_modules | grep -q " ${line%.mod} "; then
echo "Copy $line ..."
cp -a $VT_DIR/GRUB2/INSTALL/lib/grub/arm64-efi/$line $VT_DIR/INSTALL/grub/arm64-efi/
if ! echo $all_modules | grep -q " ${line%.mod} "; then
echo "Copy $line ..."
cp -a $VT_DIR/GRUB2/INSTALL/lib/grub/arm64-efi/$line $VT_DIR/INSTALL/grub/arm64-efi/