Install GIT 2 on CentOS

# Wrong:
yum install git

===============================================================================================================================================================================================================================================================================
 Package                                                           Arch                                                            Version                                                                 Repository                                                     Size
===============================================================================================================================================================================================================================================================================
Updating:
 git                                                               x86_64                                                          1.7.1-9.el6_9                                                           base                                                          4.6 M
Updating for dependencies:
 perl-Git                                                          noarch                                                          1.7.1-9.el6_9                                                           base                                                           29 k

Transaction Summary
===============================================================================================================================================================================================================================================================================
Upgrade       2 Package(s)

Total download size: 4.6 M

As you can see it offers 1.7 and not 2.X

# Let us remove this version:
yum -y remove git

# Add IUS yum repository
yum -y install  https://centos7.iuscommunity.org/ius-release.rpm

# Install latest GIT
yum -y install  git2u-all

# Test
git --version
git version 2.16.5