Contributing to rails

Apr 29, 2010Download as KEY, PDF0 likes401 views

This document provides information on contributing to the Ruby on Rails framework. It discusses why developers should contribute (e.g. giving back to an open source project they use), what types of contributions are needed (e.g. fixing bugs, writing documentation), and how to get started (e.g. setting up their development environment, downloading the Rails source code, and running tests). The document also lists some specific contribution tasks and resources for learning more about the contribution process.

• http://ryanbigg.com/2010/04/want-it-give/
• enjoy the bad language

why - what - how

Issues

• 900 open tickets
• development hell
• „I don’t know enough about Rails to do
anything with any of the tickets.“

why - what - how

Why you should

• You use it, it‘s only fair
• Timezones!
• You can learn a lot
• You can
why - what - how

Why you want to

• You might ﬁnd it interesting
• You can take part in a community
• It looks great on your CV

why - what - how

Document

• on a branch (docrails)
• Rails guides
• API Documentation
• Wiki
why - what - how

Duplicate

• Try it on your installation
• Try it with your ruby version and OS
• Try ﬁnding where it started

why - what - how

Test a patch

• Download a patch
• Apply it and run the tests
• Read the patch
• Document your ﬁndings
why - what - how

Fix

• coding conventions
• ﬁx a bug
• ﬁnd someone who could ﬁx a bug

why - what - how

Create a bug report

1. Describe the bug in detail
2. Improve the unit tests to explain better
3. Implement a ﬁx
4. Post a diff

why - what - how

Rails Lighthouse

• Creating a feature request? Please don't.
• state:open not-tagged:patch not-tagged:doc
> 809 Tickets
• Read

why - what - how

get ready...

• ruby 1.8.7 (rvm)
• gem update --system
• gem install mocha
• gem install bundler
• bundle install
why - what - how

... set ...

• postgresql
• mysql
• sqlite
• Lighthouse Account
• Github: no pull requests accepted
why - what - how

Download
git clone http://github.com/
rails/rails.git

git branch --track 2-3-stable
origin/2-3-stable

why - what - how

module tests

cd rails/activerecord
rake mysql:build_databases
rake

why - what - how

Test a patch

git checkout -b my_branch
git apply patchfile.diff
rake

why - what - how

Synchronize!
git commit -a -m “great patch“
git checkout master
git pull
git checkout my_branch
git rebase master
rake
why - what - how

Create a patch

git format-patch master
--stdout > my_great_patch.diff

why - what - how

git bisect

git bisect start
git bisect bad
git bisect good c1d7327

why - what - how

Resources

• https://rails.lighthouseapp.com/
• http://ryanbigg.com/2010/04/want-it-give/
• http://guides.rails.info/
contributing_to_rails.html
• http://railsbridge.org/BugMashGuide.pdf

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Contributing to rails

1. Contributing to Ruby on Rails

2. Agenda • Why? • What? • How?

3. • http://ryanbigg.com/2010/04/want-it-give/ • enjoy the bad language why - what - how

4. Issues • 900 open tickets • development hell • „I don’t know enough about Rails to do anything with any of the tickets.“ why - what - how

6. Why you should • You use it, it‘s only fair • Timezones! • You can learn a lot • You can why - what - how

7. Why you want to • You might ﬁnd it interesting • You can take part in a community • It looks great on your CV why - what - how

8. Document • on a branch (docrails) • Rails guides • API Documentation • Wiki why - what - how

11. Duplicate • Try it on your installation • Try it with your ruby version and OS • Try ﬁnding where it started why - what - how

12. Test a patch • Download a patch • Apply it and run the tests • Read the patch • Document your ﬁndings why - what - how

13. Fix • coding conventions • fix a bug • find someone who could fix a bug why - what - how

14. Create a bug report 1. Describe the bug in detail 2. Improve the unit tests to explain better 3. Implement a ﬁx 4. Post a diff why - what - how

15. Rails Lighthouse • Creating a feature request? Please don't. • state:open not-tagged:patch not-tagged:doc > 809 Tickets • Read why - what - how

16. get ready... • ruby 1.8.7 (rvm) • gem update --system • gem install mocha • gem install bundler • bundle install why - what - how

17. ... set ... • postgresql • mysql • sqlite • Lighthouse Account • Github: no pull requests accepted why - what - how

19. Download git clone http://github.com/ rails/rails.git git branch --track 2-3-stable origin/2-3-stable why - what - how

20. rake cd rails rake why - what - how

21. module tests cd rails/activerecord rake mysql:build_databases rake why - what - how

22. Test a patch git checkout -b my_branch git apply patchfile.diff rake why - what - how

23. Synchronize! git commit -a -m “great patch“ git checkout master git pull git checkout my_branch git rebase master rake why - what - how

24. Create a patch git format-patch master --stdout > my_great_patch.diff why - what - how

25. git bisect git bisect start git bisect bad git bisect good c1d7327 why - what - how

26. try why - what - how

27. Agenda Revisited • Why? • What? • How?

28. Resources • https://rails.lighthouseapp.com/ • http://ryanbigg.com/2010/04/want-it-give/ • http://guides.rails.info/ contributing_to_rails.html • http://railsbridge.org/BugMashGuide.pdf

29. Lukas Eppler lukas.eppler@simpliﬁcator.com

Contributing to rails

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