yum的rpm包地址:
http://opensource.wandisco.com/centos/6/git/x86_64/
# 安装最新版本git
yum localinstall -y http://opensource.wandisco.com/centos/7/git/x86_64/git-2.22.0-1.WANdisco.437.x86_64.rpm http://opensource.wandisco.com/centos/7/git/x86_64/perl-Git-2.22.0-1.WANdisco.437.noarch.rpm
