### 1. 下载git

wget --no-check-certificate   https://mirrors.edge.kernel.org/pub/software/scm/git/git-2.30.1.tar.gz
### 2. 解压

tar -zxvf git-2.30.1.tar.gz
### 3. 进入文件夹

cd git-2.30.1
### 4. 安装所需依赖

yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel perl-ExtUtils-MakeMaker

> 没有gcc的话需要安装gcc
>
> yum install gcc curl-devel expat-devel gettext-devel openssl-devel zlib-devel perl-ExtUtils-MakeMaker

### 5.编译

make prefix=/usr/local/git all
### 6.安装

make prefix=/usr/local/git install
### 7.修改环境变量

vi /etc/profile
最下面加上：
export PATH=$PATH:/usr/local/git/bin
刷新环境变量
source /etc/profile

 ### 8. 检查

git --version