安装wget, vim

yum install wget vim -y

下载最新版本的git源码，并解压

cd /usr/local/src/
wget https://mirrors.edge.kernel.org/pub/software/scm/git/git-2.9.5.tar.gz
tar xvf git-2.9.5.tar.gz
cd git-2.9.5

安装依赖包，用于编译

yum groupinstall 'Development Tools' 
yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel perl-CPAN perl-devel

配置

make configure
./configure

编译

make

安装

make install 

配置git命令补全

将源码目录下的文件复制到/etc/bash_completion.d/目录下。

cp contrib/completion/git-completion.bash /etc/bash_completion.d/

加载文件

. /etc/bash_completion.d/git-completion.bash

将配置加进配置文件末尾

vim /etc/profile

if [ -f /etc/bash_completion.d/git-completion.bash ]; then
. /etc/bash_completion.d/git-completion.bash
fi

读取配置

. /etc/profile

配置完成，可以检查git命令补全是否生效，enjoy it！