#! /bin/sh

if [ "$1 $2 $3" = "--local --sync --output=source" ] ; then
  dir="${4#/}"
  eval "df_val=\"\$TEST_DF_$dir\""

  if [ -n "$df_val" ] ; then
    echo "$df_val"
    exit 0
  else
    echo "TEST_DF_$dir not set" >&2
    exit 1
  fi
else
  echo "unsupported df option" >&2
  exit 1
fi
