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How to change environment variables send to server

2

[ssh_config](https://www.man7.org/linux/man-pages/man5/ssh_config.5.html) has a option `SetEnv` to modify environment variable before connect. my config is something like this ```yaml defaults: UserKnownHostsFile: /dev/null StrictHostKeyChecking: no LogLevel: QUIET ControlMaster: auto ControlPath: ~/.ssh/controlmasters/%C.sock ControlPersist:...

add proxy item

4

This PR adds the prompt item proxy, which checks and displays if any `_PROXY` env has been set. #### Description display an icon if any of `http_proxy` `all_proxy` `https_proxy` is...