do
dbpath_requirement=${DBDIR}/requires/$origin_requirement
[ -e "$dbpath_requirement/necessary_upgrade.build.${level}" ] || continue
+ [ `cat "${DBDIR}/moved_from/$origin_requirement/current_version" 2> /dev/null | wc -l` -eq 0 ] || return 0
touch "$dbpath_requirement/necessary_upgrade.run.${level}"
done < $dbpath/requirements.build.${level}
: