git 安装或者更新

1. 安装编译git时需要的包

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

2. 删除已有的git

# yum remove git

3. 下载git源码

# cd /usr/src 
# wget https://www.kernel.org/pub/software/scm/git/git-2.0.5.tar.gz 
# tar xzf git-2.0.5.tar.gz

4. 编译安装

# cd git-2.0.5 
# make prefix=/usr/local/git all 
# make prefix=/usr/local/git install 
# echo “export PATH=$PATH:/usr/local/git/bin” >> /etc/bashrc 
# source /etc/bashrc

5. 检查一下版本号

# git –version

git version 2.0.5

修改环境变量为git所在/usr/local/git/bin:

git 安装或者更新

原文：http://www.cnblogs.com/legend-song/p/5208531.html