If you happen to download the minimal iso of centos on from it’s website. You can get Git thru Centos’ default repository but you’re going to have an older version of Git. (At the time of writing the default repo has Git version 1.8)
Getting Git thru Default Repo
yum install git
Getting New Version of Git
Step 1
Install all required dependency to compile from source
yum groupinstall 'Development Tools'
yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel perl-ExtUtils-MakeMaker
yum install wget
Step 2
Download the tarbal from Git’s Github repository. Git Releases At the time of writing the latest stable version is 2.9.3.
wget https://github.com/git/git/archive/v2.9.3.tar.gz
Extract the tarbal
tar -zxf v2.9.3.tar.gz
Step 3
Go to the extracted directory and compile the source.
cd git-2.9.3
make prefix=/usr/local/git all
make prefix=/usr/local/git install
echo "export PATH=$PATH:/usr/local/git/bin" >> /etc/bashrc
source /etc/bashrc
Step 4
To verify the installation check the Git version
git --version