Easy steps to install rbtools package on Mac
Package Information:
Application Name – rbtools
What is rbtools – Not Available for rbtools
Use of rbtools – CLI and API for working with code and document reviews on Review Board
URL – https://www.reviewboard.org/downloads/rbtools/
Installation Steps:
- Open Terminal using Spotlight search by pressing  
<command+space>. Type terminal and hitEnterkey. - Now, run following command to install homebrew (brew)
 - Install rbtools using brew
brew install rbtools
 

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

rbtools is ready to use now!