. /usr/share/debconf/confmodule
db_get carnet-debian/packages || true
-packages="$RET"
-
-apt-get install $packages
+packages="`echo $RET | tr -d ','`"
+db_stop || true
+
+if [ -z "$packages" ]; then
+ echo "CN: No packages for install."
+else
+ apt-get install $packages
+fi