参考文档
https://git-scm.com/book/zh/v1/起步-安装-Git
git可以在https://github.com/git/git/releases下载
也可以在https://www.kernel.org/pub/software/scm/git下载
确认当前没有装过git的rpm包（如有则卸载）
yum remove git
安装所需依赖
yum -y install curl-devel expat-devel gettext-devel openssl-devel zlib zlib-devel gcc perl-ExtUtils-MakeMaker wget
下载编译git
cd /usr/local/src/
wget https://www.kernel.org/pub/software/scm/git/git-2.13.4.tar.gz
tar zxf git-2.13.4.tar.gz
cd git-2.13.4
make prefix=/usr/local/git all
make prefix=/usr/local/git install
添加git变量
echo "export PATH=$PATH:/usr/local/git/bin" >> /etc/bashrc
source /etc/bashrc
查看git版本
git --version
