# Source debconf library.
. /usr/share/debconf/confmodule
-if [ "$action" = "configure" -a -n "$version" ]; then
+if [ "$action" = "configure" ] && [ -n "$version" ]; then
if dpkg --compare-versions "$version" lt "0.5.0"; then
db_input medium abook/files_moved || true
db_go