centos7 升级 git，2.14.3 版本

下载

1. wget https://www.kernel.org/pub/software/scm/git/git-2.14.3.tar.gz

安装依赖包

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

解压安装

1. tar -zxvf git-2.14.3.tar.gz
2. cd git-2.14.3
3. make prefix=/usr/local/git all
4. make prefix=/usr/local/git install

查看git所在的路径：

1. whereis git
2. git: /usr/local/git /usr/local/git/bin/git

配置环境

1. vi /etc/profile 在最后加：
2. export PATH=/usr/local/git/bin:$PATH
3. source /etc/profile

添加软链

1. ln -s /usr/local/git/bin/git /usr/bin/git