Contributing to Discourse

Before You Start

Anyone wishing to contribute to the Discourse/Discourse project MUST read & sign the Electronic Discourse Forums Contribution License Agreement. The Discourse team is legally prevented from accepting any pull requests from users who have not signed the CLA first.

Reporting Bugs

Always update to the most recent master release; the bug may already be resolved.
Search for similar issues on the Discourse meta forum; it may already be an identified problem.
Make sure you can reproduce your problem on our sandbox at try.discourse.org
If this is a bug or problem that requires any kind of extended discussion -- open a topic on meta about it.
If possible, submit a Pull Request with a failing test. If you'd rather take matters into your own hands, fix the bug yourself (jump down to the "Contributing (Step-by-step)" section).
When the bug is fixed, we will do our best to update the Discourse topic.

Requesting New Features

Do not submit a feature request on GitHub; all feature requests on GitHub will be closed. Instead, visit the Discourse meta forum, features category, and search this list for similar feature requests. It's possible somebody has already asked for this feature or provided a pull request that we're still discussing.
Provide a clear and detailed explanation of the feature you want and why it's important to add. The feature must apply to a wide array of users of Discourse; for smaller, more targeted "one-off" features, you might consider writing a plugin for Discourse. You may also want to provide us with some advance documentation on the feature, which will help the community to better understand where it will fit.
If you're a Rock Star programmer, build the feature yourself (refer to the "Contributing (Step-by-step)" section below).

Contributing (Step-by-step)

Clone the Repo:

 git clone git://github.com/discourse/discourse.git

Create a new Branch:

 cd discourse
 git checkout -b new_discourse_branch

Please keep your code clean: one feature or bug-fix per branch. If you find another bug, you want to fix while being in a new branch, please fix it in a separated branch instead.

Code

Adhere to common conventions you see in the existing code
Include tests, and ensure they pass
Search to see if your new functionality has been discussed on the Discourse meta forum, and include updates as appropriate

Follow the Coding Conventions

two spaces, no tabs
no trailing whitespaces, blank lines should have no spaces
use spaces around operators, after commas, colons, semicolons, around { and before }
no space after (, [ or before ], )
use Ruby 1.9 hash syntax: prefer { a: 1 } over { :a => 1 }
prefer class << self; def method; end over def self.method for class methods
prefer { ... } over do ... end for single-line blocks, avoid using { ... } for multi-line blocks
avoid return when not required

However, please note that pull requests consisting entirely of style changes are not welcome on this project. Style changes in the context of pull requests that also refactor code, fix bugs, improve functionality are welcome.

Commit

For every commit please write a short (max 72 characters) summary in the first line followed with a blank line and then more detailed descriptions of the change. Use markdown syntax for simple styling.

NEVER leave the commit message blank! Provide a detailed, clear, and complete description of your commit!

Update your branch

git fetch origin
git rebase origin/master

Fork

git remote add mine git@github.com:<your user name>/discourse.git

Push to your remote

git push mine new_discourse_branch

Issue a Pull Request

Before submitting a pull-request, clean up the history, go over your commits and squash together minor changes and fixes into the corresponding commits. You can squash commits with the interactive rebase command:

git fetch origin
git checkout new_discourse_branch
git rebase origin/master
git rebase -i

< the editor opens and allows you to change the commit history >
< follow the instructions on the bottom of the editor >

git push -f mine new_discourse_branch

In order to make a pull request,

Navigate to the Discourse repository you just pushed to (e.g. https://github.com/your-user-name/discourse)
Click "Pull Request".
Write your branch name in the branch field (this is filled with "master" by default)
Click "Update Commit Range".
Ensure the changesets you introduced are included in the "Commits" tab.
Ensure that the "Files Changed" incorporate all of your changes.
Fill in some details about your potential patch including a meaningful title.
Click "Send pull request".

Thanks for that -- we'll get to your pull request ASAP, we love pull requests!

Responding to Feedback

The Discourse team may recommend adjustments to your code. Part of interacting with a healthy open-source community requires you to be open to learning new techniques and strategies; don't get discouraged! Remember: if the Discourse team suggest changes to your code, they care enough about your work that they want to include it, and hope that you can assist by implementing those revisions on your own.

Though we ask you to clean your history and squash commit before submitting a pull-request, please do not change any commits you've submitted already (as other work might be build on top).

Translations

Translators can do their work in our Transifex project. For more information, please see these how-to topics:

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