Arduino now has an officially supported command-line interface ... has departed from the Java-based editor known as the Arduino IDE. You can see the official announcement video below.

All you generally need is the Arduino IDE, which already includes most of ... projects also means having to learn how to use ...

[Dr. Torq] has a good primer on using Git with the Arduino IDE, if you need to get your ... If you are allergic to the command line, there are plenty of GUI tools to use Git, also.