1.初始化化一个仓库

git init --bare

 第一次提交会报如下的错误：

No refs in common and none specified; doing nothing.
Perhaps you should specify a branch such as 'master'.
fatal: The remote end hung up unexpectedly
error: 无法推送一些引用到 '/opt/git/WifiLed/'

提交时加上下面的参数：

  git push origin master