Grails --non-interactive to upgrade plugins automagically

gistfile1.txt

blanq01:simbo blanq01$ grails run-app --non-interactive
Welcome to Grails 1.3.7 - http://grails.org/
Licensed under Apache Standard License 2.0
Grails home is set to: /Users/blanq01/java/grails-1.3.7

Base Directory: /Users/blanq01/Projetos/simbo-workspace/simbo
Resolving dependencies...
Dependencies resolved in 5101ms.
Running script /Users/blanq01/java/grails-1.3.7/scripts/RunApp.groovy
Environment set to development
Setting non-interactive mode
Resolving new plugins. Please wait... ...
Downloading: http://pateta/artifactory/plugins-release/org/grails/plugins/simbo-domain/9/simbo-domain-9.pom ...
Download complete.
Downloading: http://pateta/artifactory/plugins-release/org/grails/plugins/simbo-domain/9/simbo-domain-9.pom.sha1 ...
Download complete.
Downloading: http://pateta/artifactory/plugins-release/org/grails/plugins/simbo-domain/9/simbo-domain-9.zip ...
Download complete.
Downloading: http://pateta/artifactory/plugins-release/org/grails/plugins/simbo-domain/9/simbo-domain-9.zip.sha1 ...
Download complete.
   [delete] Deleting directory /Users/blanq01/.grails/1.3.7/projects/simbo/plugins/simbo-domain-8
Installing zip /Users/blanq01/.ivy2/cache/org.grails.plugins/simbo-domain/zips/simbo-domain-9.zip... ...
    [mkdir] Created dir: /Users/blanq01/.grails/1.3.7/projects/simbo/plugins/simbo-domain-9
    [unzip] Expanding: /Users/blanq01/.ivy2/cache/org.grails.plugins/simbo-domain/zips/simbo-domain-9.zip into /Users/blanq01/.grails/1.3.7/projects/simbo/plugins/simbo-domain-9
Installed plugin simbo-domain-9 to location /Users/blanq01/.grails/1.3.7/projects/simbo/plugins/simbo-domain-9. ...
Resolving plugin JAR dependencies ...
Executing simbo-domain-9 plugin post-install script ...
Plugin simbo-domain-9 installed