Gerrit

[[File:Gerrit.wikimedia.org new ui as seen on 2018-08-02 23 50 00.png|thumb|

A view of open change sets at [https://gerrit.wikimedia.org gerrit.wikimedia.org] in the new user interface. ]]

Code review is at the heart of our development process. Any software contribution to whatis>Special:MyLanguage/Manual:What is MediaWiki?|MediaWiki or any other Wikimedia hosted project is reviewed and approved at gerrit.wikimedia.org before being merged to our Git repositories. The tool we use to handle code reviews is Gerrit.

All dev-access>Special:MyLanguage/Developer access|Gerrit users can review contributions. maintainers>Developers/Maintainers|Maintainers have the plus2>Gerrit/+2|special rights to approve or reject contributions.

Prerequisites
If you are a novice developer, read New Developers. If you know that you will work on MediaWiki core and MediaWiki extensions, read .

Learn how to contribute to MediaWiki development and how to vagrant>Special:MyLanguage/MediaWiki-Vagrant|set up a functioning pre-configured development installation of MediaWiki.

If you are an experienced developer, visit the  instead.

Getting started

 * - A thorough guide to using Git and Gerrit for MediaWiki development
 * - A very short guide to using Git and Gerrit for MediaWiki development

Further help on Gerrit

 * - How to do things "the hard way" in Gerrit
 * - Problems and how to solve them
 * - How to navigate Gerrit's web interface
 * - Frequently asked questions concerning how to use Git and Gerrit
 * - About integration with the GitHub service

For code contributors / authors

 * - Learn how to get your patches reviewed
 * - Learn how to write good commit summaries

For code reviewers

 * - Learn how to perform code review. Your help reviewing changes is welcome!
 * - Guidelines for reviewers with merging rights in Gerrit

For project owners / administration

 * - How to create a new project in Gerrit
 * - How to become the owner of a project in Gerrit
 * - Guidelines for reviewers with merging rights in Gerrit
 * - Guidelines how to handle inactive projects
 * - How to add translatewiki.net integration translation updates

Download code without a Gerrit account
If you only want to get the code and do not plan to propose changes:


 * To simply browse & fork our code you can use the [https://github.com/wikimedia GitHub mirror]. Also see Gerrit/GitHub.


 * To make an anonymous git clone of core MediaWiki,  git clone https://gerrit.wikimedia.org/r/mediawiki/core.git .