Basics of Git and Gerrit | Git & Gerrit Overview | Git and Gerrit Concept

basics-of-git-and-gerrit

basics-of-git-and-gerrit

Git & Gerrit

  • As per British English, Git means “unpleasant person”. The inspiration of designing Git is taken from “BitKeeper” and “Monotone”. 
  • Both are distributed revision control system. Git was originally designed as a low level version control system engine and on top of this Cogito and StGIT(Stacked Git) is developed. StGIT is a Python application that provides functionality similar to quilt
  • Git is a highly performant free and open source distributed version control system as compare and contrast to other centralized version control systems such as CVS, SVN, ClearCase, and Perforce. 
  • It was initially designed and developed by Linus Torvalds for Linux kernel development in 2005.
  • As per the analysis corresponding to Eclipse IDE users, Git has reported 30% adoption as of 2013 in software industry for VCS(Version Control System)/RCS(Revision Control System)/SCM(Source code management).
  • The Stable release of Git is released on August 23, 2013 which is of version 1.8.4. Its Initial release was introduced in the 7th april 2005 . Originally Git is developed in “C”.

Gerrit

  • Gerrit is a free, web-based review tool developed by Google for Android. 
  • It is developed with a git based workflow in mind. It acts as a firewall in front of a Git repository. 
  • Software developers working in a team can review each other’s changes/modifications on their source code using a web browser and approve or reject those changes. 
  • Gerrit works on “Change”s. A change is a set of modifications to various files in your repository to accomplish a task. It is essentially one large git commit with all the necessary changes which can be both built and tested. 
  • It integrates closely with Git, a distributed version control system. 
  • It was developed at Google by Shawn Pearce (founder of JGit) for the development of the Android project. Gerrit uses Google Web Toolkit to generate front-end JavaScript code from Java source. 
  • It is a SSH server. 
  • Gerrit centralizes the distributed nature of Git, while maintaining the advantages of a DVCS, by imposing a centralized workflow. 
  • Large corporations such as SAP, Sony Mobile, Qualcomm and many other enterprises, organisations and non affiliated individuals/volunteers contributed to the review and development of the code-base.
  • The Stable release of Gerrit is released on September 18, 2013 which is of version 2.7.   
  • Originally this tool was written in Python and now this tool is written in Java, Servlet and GWT. 
  • This is a code review tool and now Apache is having its license.
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