3、卸载低版本git
# yum remove git
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4、依赖库安装
# yum install curl-devel expat-devel gettext-devel openssl-devel zlib-devel
# yum install gcc perl-ExtUtils-MakeMaker
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5、下载最新版git
# wget https://github.com/git/git/archive/v2.9.2.tar.gz
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6、解压到相应的目录
# tar zxf git-2.9.2.tar.gz ..
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7、安装git
# cd git-2.9.2
# make prefix=/usr/local/git all
# make prefix=/usr/local/git install
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8、添加到环境变量
# echo "export PATH=$PATH:/usr/local/git/bin" >> /etc/bashrc
# source /etc/bashrc
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9、查看版本号
# git --version
git version 2.9.2
原文：https://www.cnblogs.com/666gang/p/13252669.html