upgrade
Purpose
Theupgrade command upgrades a Grails application to the currently installed version of Grails if possible.Examples
grails upgrade grails upgrade --update-data-source grails upgrade --force
Description
Usage:grails upgrade
update-data-source- upgrades DataSource.groovy to use H2 instead of HSQLDB.force- suppress warning messages
StatusUpdate- During the upgrade processStatusFinal- After the upgrade completes

