$ sudo apt-get update
$ sudo apt-get install rabbitvcs-gedit 

rabbitvcs-gedit is installed in your system.

Make ensure the rabbitvcs-gedit package were installed using the commands given below,

$ sudo dpkg-query -l | grep rabbitvcs-gedit *

You will get with rabbitvcs-gedit package name, version, architecture and description in a table

rabbitvcs-gedit package basic information: