set -e
-. /usr/share/debconf/confmodule
-
-db_get carnet-debian/packages || true
-packages="echo $RET | tr -d ','"
-
-apt-get install $packages
+packages="`debconf-show carnet-debian | awk -F: /packages/'{print $2}' | tr -d ','`"
+
+if [ -z "$packages" ]; then
+ echo "CN: No packages for install."
+else
+ for package in $packages; do
+ apt-get -y install $package
+ done
+fi