grails/grails-core — pull request #296 by dbwhitaker (2012-12-05 22:20:26+00:00)
Title: GRAILS-9596: Upgrade should call _Upgrade.groovy for all plugins

Ugrade.groovy script was not invoking _Upgrade.groovy in plugins (local, global, or inline) since at least 1.3.x. The script was only looking in old (circa 1.0.x) 'plugins' directory expected to be sibling directory of 'grails-app'. This change can/should be applied to all active branches 1.3.x and above.