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Contributing to Rack

Rack is work of hundreds of contributors. You're encouraged to submit pull requests, propose features and discuss issues. When in doubt, post to the rack-devel mailing list.

Fork the Project

Fork the project on Github and check out your copy.

git clone https://github.com/contributor/rack.git
cd rack
git remote add upstream https://github.com/rack/rack.git

Create a Topic Branch

Make sure your fork is up-to-date and create a topic branch for your feature or bug fix.

git checkout master
git pull upstream master
git checkout -b my-feature-branch

Bundle Install and Quick Test

Ensure that you can build the project and run quick tests.

bundle install --without extra
bundle exec rake test

Running All Tests

Install all dependencies.

bundle install

Run all tests.

rake test

The test suite has no dependencies outside of the core Ruby installation and bacon.

Some tests will be skipped if a dependency is not found.

To run the test suite completely, you need:

  • fcgi
  • dalli
  • thin

To test Memcache sessions, you need memcached (will be run on port 11211) and dalli installed.

Write Tests

Try to write a test that reproduces the problem you're trying to fix or describes a feature that you want to build.

We definitely appreciate pull requests that highlight or reproduce a problem, even without a fix.

Write Code

Implement your feature or bug fix.

Make sure that bundle exec rake fulltest completes without errors.

Write Documentation

Document any external behavior in the README.

Update Changelog

Add a line to CHANGELOG.

Commit Changes

Make sure git knows your name and email address:

git config --global user.name "Your Name"
git config --global user.email "contributor@example.com"

Writing good commit logs is important. A commit log should describe what changed and why.

git add ...
git commit

Push

git push origin my-feature-branch

Make a Pull Request

Go to https://github.com/contributor/rack and select your feature branch. Click the 'Pull Request' button and fill out the form. Pull requests are usually reviewed within a few days.

Rebase

If you've been working on a change for a while, rebase with upstream/master.

git fetch upstream
git rebase upstream/master
git push origin my-feature-branch -f

Make Required Changes

Amend your previous commit and force push the changes.

git commit --amend
git push origin my-feature-branch -f

Check on Your Pull Request

Go back to your pull request after a few minutes and see whether it passed muster with Travis-CI. Everything should look green, otherwise fix issues and amend your commit as described above.

Be Patient

It's likely that your change will not be merged and that the nitpicky maintainers will ask you to do more, or fix seemingly benign problems. Hang on there!

Thank You

Please do know that we really appreciate and value your time and work. We love you, really.

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