if [ "$2" != "INSTALL" ]; then
  exit 0
fi
if ! id -u pop > /dev/null 2>&1; then
  echo "You need an account \"pop\" to install this package."
  echo "Please add it by hand (try \"man vipw\") and try again."
  echo ""
  echo "An example passwd entry is:"
  echo "pop:*:68:6::0:0:Post Office Owner:/nonexistent:/nonexistent"
  echo ""
  exit 1
fi
exit 0