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Contributing.md

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Contributing

I value any contribution to Diff::LCS you can provide: a bug report, a feature request, or code contributions. Code contributions to Diff::LCS are especially welcomeencouraged. Because Diff::LCS is a complex codebase, there are a few guidelines:

  • Code changes will not be accepted without tests. The test suite is written with RSpec.
  • Match my coding style.
  • Use a thoughtfully-named topic branch that contains your change. Rebase your commits into logical chunks as necessary.
  • Use quality commit messages.
  • Do not change the version number; when your patch is accepted and a release is made, the version will be updated at that point.
  • Submit a GitHub pull request with your changes.
  • New or changed behaviours require appropriate documentation.

Test Dependencies

Diff::LCS uses Ryan Davis’s Hoe to manage the release process, and it adds a number of rake tasks. You will mostly be interested in:

$ rake

which runs the tests the same way that:

$ rake spec
$ rake travis

will do.

To assist with the installation of the development dependencies, I have provided a Gemfile pointing to the (generated) diff-lcs.gemspec file. This will permit you to do:

$ bundle install

to get the development dependencies. If you aleady have hoe installed, you can accomplish the same thing with:

$ rake newb

This task will install any missing dependencies, run the tests/specs, and generate the RDoc.

You can run tests with code coverage analysis by running:

$ rake spec:coverage

Workflow

Here's the most direct way to get your work merged into the project:

  • Fork the project.
  • Clone down your fork (git clone git://github.com/<username>/diff-lcs.git).
  • Create a topic branch to contain your change (git checkout -b my_awesome_feature).
  • Hack away, add tests. Not necessarily in that order.
  • Make sure everything still passes by running rake.
  • If necessary, rebase your commits into logical chunks, without errors.
  • Push the branch up (git push origin my_awesome_feature).
  • Create a pull request against halostatue/diff-lcs and describe what your change does and the why you think it should be merged.

Contributors

  • Austin Ziegler created Diff::LCS.

Thanks to everyone else who has contributed to Diff::LCS:

  • Kenichi Kamiya
  • Michael Granger
  • Vít Ondruch
  • Jon Rowe
  • Koichi Ito
  • Josef Strzibny
  • Josh Bronson
  • Mark Friedgan
  • Akinori MUSHA