How to download and setup caffeine
Open terminal and run command
git clone https://github.com/rehacktive/caffeine.git
git clone is used to create a copy or clone of caffeine repositories.
You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with caffeine https://github.com/rehacktive/caffeine/archive/master.zip
Or simply clone caffeine with SSH
[email protected]:rehacktive/caffeine.git