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Sometimes `SSH_TTY` and `SSH_CLIENT` aren't set when in an ssh session, so this checks three different potential environment variables that indicate you're in a remote session. * `SSH_TTY` * `SSH_CLIENT` * `SSH_CONNECTION`
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Sometimes
SSH_TTYandSSH_CLIENTaren't set when in an ssh session,so this checks three different potential environment variables that
indicate you're in a remote session.
SSH_TTYSSH_CLIENTSSH_CONNECTION