RabbitVCS Install in Ubuntu

First run below command from terminal

sudo apt-get install python3-configobj python3-gtkspellcheck python3-svn subversion python3-dulwich python3-pygments git meld python3-tk

Install RabbitVCS with Nautilus support:

sudo apt install rabbitvcs-nautilus

Restart Nautilus:

nautilus -q

For Thunar (XFCE):

sudo apt install rabbitvcs-thunar

Then restart Thunar:

thunar -q

For Caja (MATE):

sudo apt install rabbitvcs-caja