EGerrit

The purpose of this project is to provide a set of Eclipse plug-ins that offer code review capabilities in the Eclipse IDE. Code review is systematic manual examination of source code with the goal of finding and fixing mistakes overlooked in the initial development phase, improving both the overall quality of software and the developers' skills. Reviews are done in various forms such as pair programming, informal walk-throughs, and formal inspections. Therefore, code reviewing systems and tools have to enable viewing and manually inspecting differences between a base version and a branch version of source code to identify changed code and potentially introduced mistakes. Editors must be able to request reviews, while reviewers must be able to comment on changed code and request it to be changed to address identified issues.

We believe that integrating code review capabilities directly into the IDE improves both the efficiency and effectiveness of the reviewer, as well as the editor receiving feedback on her/his changes. This is mainly due to the fact that the original editor and the reviewer can work in the same context as the original work was performed in and can profit from all the available features in the IDE, such as code highlighting, compilation, completion, team integration, navigation and other IDE features.

One of the most adopted code reviewing system, not only within the Eclipse foundation, but also in many other projects is Gerrit. Some of the mentioned functionality for reviewing code is currently available in a browser-based front-end for the Gerrit code review server. While the Gerrit server offers valuable functionality, making available all of the aforementioned features, such as code highlighting, in the Gerrit browser-based front-end would essentially mean reimplementing the IDE in the browser.

Some of the functionality offered by Gerrit has already been integrated into the Eclipse IDE with the  Mylyn Gerrit connector as part of the Mylyn top-level project. Mylyn is a task management and ALM tool integrated with Eclipse. Therefore, code review is only one of many aspects of the whole application life-cycle management and development activities that have to be integrated with Mylyn. However, many projects use Gerrit-based code review without relying on other functionalities offered by Mylyn, such as task focusing. Not only have these features to be maintained by the developers but also users have to install additional features which are not needed for performing reviews and face an unnecessary load to the system.

On the other hand, the EGerrit project aims to achieve feature parity with the Gerrit web-interface and as its available features go beyond ALM and task focusing, this development might be hampered using Mylyn as a host framework.

For these reasons a dedicated project with the clear scope of implementing and integrating Gerrit with the Eclipse IDE may optimize the code review activities in Eclipse and allow feature parity with the Gerrit web interface more easily and focus on a tight and feature-rich integration with several components of the Eclipse IDE. Also support for model review can be facilitated more easily which is a future development target.

An integration with Mylyn is only an add-on feature in this setup but can still be achieved if required. This approach is consistent with other Eclipse projects, e.g. JDT, CDT, etc.