Contributing to Grails

Why contribute?

Giving back feels good!

Expanded Easier on-user base boarding Self interest Improved dev experience

“Many hands make light work”

Where to start? 6

dev@grails.codehaus.orgDiscuss the direction and future of Grails!

JIRA• Raise bugs, improvements, new features – Project leads set priority• Vote! – Affects prioritisation• Comment – Make your voice heard• Submit reproducible examples – Preferably with automated tests – These can be incorporated in Grails functional test suite http://jira.grails.org/ 8

JIRA 9

JIRA 10

Reviewing old issues 11

Reviewing old issues Add recommendation, e.g. close the issue, and why 12

Want to contribute? Search for Resolution: unresolved, Label: contribute 13

Useful components in project GRAILS• Documentation• Data binding• URL mappings• View technologies• Persistence• Scaffolding• Request new ones in ADMIN project 14

Help your fellow man • http://grails.org/doc/latest/User Guide • https://github.com/grails/grails-doc • http://grails.github.com/grails-howtos/HOWTOs • https://github.com/grails/grails-howtos 15

Contributing to documentation• Add missing info• Correct misinformation• Clarify! – Don’t be afraid to rewrite or restructure• Develop HOWTOs – Single page documents• User guide and HOWTOs: – use gdoc wiki syntax – support translations 16

Contributing to user guideEither pledbrook/grails-doc Sync grails/grails-doc (master) (2.0.x) Push Anyone can ask for commit rights via dev mailing list You 17

Contributing to user guideOr Pull request <username>/grails-doc grails/grails-doc (patch-n) (<branch>) Push Currently <branch> one of: • master • 2.1.x • 2.0.x You 18

Contributing to HOWTOs grails/grails-howtos Hudson http://grails.github.com/grails-howtos (master) Push Anyone can ask for commit rights via dev mailing list You 19

Website (http://grails.org)• Grails application• Used by you!• Currently undergoing facelift• Open source – https://github.com/grails-samples/grails-website• Works with Release plugin – For publishing public plugins• Used for plugin resolution – http://plugins.grails.org/ 20

Public plugins• Hosted on Grails Central Plugin Repository• Requires permission per plugin to publish – Currently ask on dev mailing list – Website will have plugin submission form – Source code must be available for review• For successful proposal – Correct metadata – Good description – Documentation 21

Grails core git clone https://github.com/grails/grails-core ./gradlew install export GRAILS_HOME=<path>/grails-core 22

Grails core UrlMappingsFilter URL mappings GrailsDomainBinder Domain class mapping GrailsDataBinder Data binding GrailsDispatcherServlet Request handling AbstractGrailsPluginManager DefaultGrailsPluginManager Plugin loading and initialisation DefaultGrailsPlugin 23

Grails core scripts/* Build commands GrailsScriptRunner ‘grails’ command starter grails.build.logging.GrailsConsole InteractiveMode Interactive console 24

Summary• PaaS is the application platform for the Cloud era• PaaS will change the way you write apps – Design for horizontal scalability – Account for ephemeral file system – Rich set of services – Go polyglot!• Tools & libraries are important – Spring for the win!• Can use Redis in place of RabbitMQ for some patterns 25

Grails core• Start with pull requests...• ...become a Grails committer! 26

Summary• Many ways of contributing• Gain kudos, name recognition, etc.• Get a warm fuzzy feeling :)• GitHub, JIRA, website• Learn how to use GitHub: – http://grails.org/screencast/show/21 – or search for GitHub in screencasts 27

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Contributing to Grails

by GR8Conf on Jun 10, 2012

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Contributing to Grails Presentation Transcript