# https://man.openbsd.org/ssh#SSH_CONNECTION
 __prompt_user_host="$(
   if [ "$(id -u)" != "1000" ]
   then
     printf '%s' "$(id -un)"
   fi
   if [ "$SSH_CONNECTION" != "" ]
   then
     printf '@%s' "$(hostname)"
   fi
 )"
 
 __prompt_user_host()
 {
   if [ "$__prompt_user_host" ]
   then
     printf "$1" "$__prompt_user_host"
   fi
 }