Upgrading to the last version of Git from the source repository or PPA

Solution 1:

Install Git via package-management once and you will be always have last updates.

Just run this commands to install/upgrade current version:

sudo apt-get install python-software-properties
sudo add-apt-repository ppa:git-core/ppa
sudo apt-get update
sudo apt-get install git

After that you should have this result:

$ git --version 
git version 2.0.4