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CONTRIBUTING.md

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How to contribute

CakePHP loves to welcome your contributions. There are several ways to help out:

  • Create an issue on GitHub, if you have found a bug
  • Write test cases for open bug issues
  • Write patches for open bug/feature issues, preferably with test cases included
  • Contribute to the documentation

There are a few guidelines that we need contributors to follow so that we have a chance of keeping on top of things.

Getting Started

  • Make sure you have a GitHub account.
  • Submit an issue, assuming one does not already exist.
    • Clearly describe the issue including steps to reproduce when it is a bug.
    • Make sure you fill in the earliest version that you know has the issue.
  • Fork the repository on GitHub.

Making Changes

  • Create a topic branch from where you want to base your work.
    • This is usually the master branch.
    • Only target release branches if you are certain your fix must be on that branch.
    • To quickly create a topic branch based on master; git branch master/my_contribution master then checkout the new branch with git checkout master/my_contribution. Better avoid working directly on the master branch, to avoid conflicts if you pull in updates from origin.
  • Make commits of logical units.
  • Check for unnecessary whitespace with git diff --check before committing.
  • Use descriptive commit messages and reference the #issue number.
  • Core test cases should continue to pass. You can run tests locally or enable travis-ci for your fork, so all tests and codesniffs will be executed.
  • Your work should apply the CakePHP coding standards.

Which branch to base the work

  • Bugfix branches will be based on master.
  • New features that are backwards compatible will be based on next minor release branch.
  • New features or other non backwards compatible changes will go in the next major release branch.

Submitting Changes

  • Push your changes to a topic branch in your fork of the repository.
  • Submit a pull request to the repository in the cakephp organization, with the correct target branch.

Test cases and codesniffer

CakePHP tests requires PHPUnit 3.7, version 4 is not compatible. To run the test cases locally use the following command:

./lib/Cake/Console/cake test core AllTests --stderr

To run the sniffs for CakePHP coding standards:

phpcs -p --extensions=php --standard=CakePHP ./lib/Cake

Check the cakephp-codesniffer repository to setup the CakePHP standard. The README contains installation info for the sniff and phpcs.

Additional Resources