http://stackoverflow.com/questions/24154816/git-bash-could-not-open-a-connection-to-your-authentication-agent
git bash
#exec
ssh-agent bash
#bash$
eval ssh-agent -s
#bash$
ssh-add
./id_rsa
http://stackoverflow.com/questions/24154816/git-bash-could-not-open-a-connection-to-your-authentication-agent
git bash
#exec
ssh-agent bash
#bash$
eval ssh-agent -s
#bash$
ssh-add
./id_rsa