从github上克隆的项目（包含以下四个目录） $gitclonehttps://github.com/pyenv/pyenv.git~/.pyenv $gitclonehttps://github.com/pyenv/pyenv-virtualenv.git~/.pyenv/plugins/pyenvvirtualenv $gitclonehttps://github.com/pyenv/pyenv-update.git~/.pyenv/plugins/pyenvupdate $gitclonehttps://github.com/pyenv/pyenv