Presentation given at the Alpes JUG and Mars JUG on 10th and 11th of October 2012. Explains how XWiki is developed in open source.

1. XWiki
Developing the XWiki software
Copyright (c) XWiki SAS - 2012
October 2012
Friday, October 12, 12

2. Agenda
• Project Health
• Governance Practices
• Coding Practices
• Roadmap/Release Practices
• Testing Practices
• Next Steps
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

3. Project Health
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

4. JIRA Issues
Almost 4
issues per
day!
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

5. Commits
12.7 commits per day average!
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

6. Committers - 1 year
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

7. Translations - Top 10
98 contributors! 79144 translations! (Jun 2012)
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

8. Mails - 1 year
7200 mails (users + devs). 20 mails per day
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

9. Misc. Stats
Downloads > 20000/month
Mailing Lists Activity ~600 msg/month
31 in 2012 (one every 12
Releases
days!)
~650K code, ~300K
LOC
comments (source: Ohloh)
More stats http://nemo.sonarsource.org
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

10. Governance
• Committership and Voting
• Vote vs Proposals, lazy committing
• XWiki.org vs XWiki SAS
• xwiki.org governance and advertising
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

11. Coding
• Full wiki for shared practices on xwiki.org
• GitHub, Maven, Jenkins, IRC, Mailing lists
• > 100 Maven projects
• CLIRR, Checkstyle, Enforcer
• Continuous code reviews
• Common code style
• No backward incompatibilities through Aspects
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

12. Releases
• Complete Roadmap Process
• Short releases (every 3-4 weeks)
• Release Manager + Roster
• Release application on xwiki.org
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

13. Testing
• JUnit/JMock
• Selenium 2 for UI tests
• Past: Test stability/Flickering issues
• Rolling Build Manager
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

14. How to Contribute
• JIRA/mailing list/Spread word/etc
• Publish your work as an extension on
extensions.xwiki.org
• Git Pull Requests on GitHub
• Create your project on xwiki-contrib
• And get a JIRA, wiki and Maven repo
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

15. Next Steps
• XWiki Foundation
• Bounties
• More tech marketing needed
• Book, articles, conferences
• Continue improving xwiki.org
• Find ways to get even more committers!
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

16. Q&A
Me
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12

17. Vincent Massol
vincent@xwiki.com
skype: vmassol
http://massol.net
http://xwiki.org
http://xwiki.com
Copyright (c) XWiki SAS - 2012
Friday, October 12, 12