~/.zshrc: Display ip in prompt inside ssh sessions

.zshrc

	dir="%{$fg[cyan]%}%~%{$reset_color%}"
	lastcmd="$history[$(($HISTCMD-1))]"
	lastcmd_witherror="%(?!$lastcmd!%B$lastcmd%b)"
	PROMPT="$user in $dir@$(repo_branch) $lastcmd_witherror
	if [ -n "$SSH_CONNECTION" ]; then
		server="@`echo $SSH_CONNECTION | cut -d' ' -f3`"
	fi
	PROMPT="$user$server in $dir@$(repo_branch) $lastcmd_witherror
$(repo_char) $ "
	RPROMPT="%D{%Y-%m-%d} %{$fg[red]%}%t%{$reset_color%}"
}