![]() ![]() ![]() ![]() However, mistakes can be made and so further testing should always be carried out. Since a good contribution will already have undergone extensive testing, this should be a simple matter for the maintainer. Should the project maintainer feel that the change looks like a solid contribution, they will check out the branch for which the pull is being requested to their local development environment and test it. This makes it easy to provide rapid feedback to the contributor. GitHub provides a view of the diff describing each pull request to make this easier. Skilled developers can read diffs (textual representations of the changes made) and understand their implications without actually applying them to the code base. Pull the changes into the upstream code.Report any problems to the contributor and request a resubmission.Check out the changed code and run any test suites against it.Prepare prompt and accurate feedback to the contributor (requesting a resubmission where appropriate).Quickly evaluate the value of the changes.However, they all have some common steps: Different projects have different approaches to reviewing and applying pull requests. Once a pull request has been submitted by a contributor, it is then the responsibility of the project maintainers to evaluate and, where appropriate, merge it into the upstream respository. However, you’ll always need to push your changes to a publically accessible repository for your code to be accessible by the project, so having an account on a site like GitHub or Bitbucket is a good idea. Other projects may handle pull requests outside of github, for example Moodle manages pull requests as tickets in its Jira bug tracker. Select the branch you want to submit, and write a summary of what your change explaining what it is intended to do and how it is implemented.Go to the page for the upstream repository go to the pull requests tab. ![]() Push the branch to your GitHub fork using git push.Make your changes and commit them to your local branch with git commit, ensuring to include a descriptive commit message.Create a local clone of your fork with git clone.“Fork” the repository (this creates a clone to your GitHub account).Go to the page for the code respository you want to contribute to (the “upstream”).A common workflow for submitting a pull request with GitHub would look like this: However, projects using GitHub will often use GitHub’s own tools for handling pull requests. The method for rasing a pull request may differ between projects, so be sure to check the projects documentation for details. Once the contributor is satisfied that their changes are worthy of consideration by the project maintainers, a pull request is raised. Changes committed locally can then be submitted to the upstream project for inclusion in the next release. Here, you can make your changes and commit them locally to create a revision history, allowing changes to be tracked and easily rolled back if required. When contributing to an open source project using a DVCS, you will have a copy or “clone” of the source code repository in your local development environment. This document will provide a simple overview of pull requests and how they are created, using the Git version control system and GitHub hosting site as examples. It is important to note that “pull requests” are a workflow method, and are not a feature of the version control system itself. A pull request occurs when a developer asks for changes committed to an external repository to be considered for inclusion in a project’s main repository. It is often the preferred way of submitting contributions to a project using a distributed version control system (DVCS) such as Git. A pull request is a method of submitting contributions to an open development project. ![]()
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