php deployer:Could not open a connection to your authentication agent.

最近在安裝deployer這套deploy工具，遇到了這個問題：
Could not open a connection to your authentication agent.

解法：

#在家目錄底下輸入以下
eval `ssh-agent -s`
ssh-add

參考:http://stackoverflow.com/questions/24154816/git-bash-could-not-open-a-connection-to-your-authentication-agent