#!/bin/sh
if test -z "$1"; then
    echo >&2 'usage: become_club clubaccount'
    echo >&2 '       become_club -l'
    exit 2
fi
if test "$(whoami)" = "$1"; then
    echo >&2 you are already $1
    exit 1
fi
if test -z "$SHELL"; then
    export SHELL=/bin/bash
fi
if test "$1" = -l; then
    sudo -l
else
    exec sudo -H -s -u "$1"
fi