source: locker/bin/signup-minimal @ 197

#!/bin/sh

if [ "$initlname" = "" ]; then
  if [ "$lname" = "" ]; then
    initlname=0
  else
    initlname=1
  fi
fi

if [ "$lname" = "" ]; then
  if [ "$1" = "" ]; then
    echo
    echo Would you like to sign up:
    echo 1. Your personal Athena account
    echo 2. A locker that you control \(a club, a course, etc\)
    echo If you do not understand this question, you should answer \'1\'.
    printf "Please enter either '1' or '2' (without quotes): "
    read whofor
    if [ "$whofor" -eq 1 ]; then
        lname=$USER
        lroot=$HOME
    elif [ "$whofor" -eq 2 ]; then
        echo
        echo OK.  A locker of your choice that you control will be signed up.
        echo Please enter the name of the selected locker below.
        echo "(For the locker /mit/sipb, you would enter sipb)."
        printf "Locker name: "
        read lname
        lroot="/mit/$lname"
    else
        echo
        echo ERROR:
        echo You must select either '1' or '2'.
        exit 1
    fi
  else
    lname=$1
  fi
fi

attach $lname 2>/dev/null

if [ "$lname" != "$USER" ]; then
  temp=$lname
  lname=$USER
  . /mit/scripts/bin$scriptsdev/signup-minimal
  lname=$temp

  ans=`athrun scripts sshmic -k scripts.mit.edu /usr/local/bin/admof $lname ${USER}@ATHENA.MIT.EDU` 
  if [ "$ans" != "yes" ]; then
    echo
    echo ERROR:
    printf "It appears as though you are not an administrator of the locker <$lname>.\n"
    echo Try running \"fs sa /mit/$lname $USER all\" and starting over.
    echo Contact scripts@mit.edu if you are unable to solve the problem.
    exit 0
  fi
fi

attach $lname 2>/dev/null

if [ ! -d "/mit/$lname" ]; then
  echo
  echo ERROR:
  printf "Cannot find locker <$lname>."
  exit 0
fi

ans=`fs la /mit/$lname | grep "system:a.*user.*l" | wc -l`
if [ "$ans" -eq 0 ]; then
  echo
  echo ERROR:
  printf "It appears as though the locker <$lname> is not listable by system:anyuser.\n"
  printf "You might want to run \"fs sa /mit/$lname system:anyuser l\"\n"
  printf "(that's a lowercase L rather than a one) and then try again.\n"
  echo Contact scripts@mit.edu if you are unable to solve the problem.
  exit 0
fi

mkdir /mit/$lname/.scripts-signup 2>/dev/null

if [ ! -d "/mit/$lname/.scripts-signup" ]; then
  echo
  echo ERROR:
  printf "It appears as though you do not have write access to the locker <$lname>.\n"
  echo Contact scripts@mit.edu if you are unable to solve the problem.
  exit 0
fi

athrun gnu wget -q -O/dev/null http://scripts.mit.edu/~signup/signup.php\?username=$lname
rmdir /mit/$lname/.scripts-signup

success() {
  if [ "$initlname" -eq 0 ]; then
    echo
    echo "== SUCCESS =="
    echo $lname is now signed up for $1.
    echo $2
    echo
  fi
}