#!/bin/sh

if [ ! -z "${CROND_ENABLE+x}" ]; then
  # serialize ENV for cron-jobs
  TMP_FILE=/tmp/cron_env
  OUT_FILE=/cron_env
  echo -n '' > "${OUT_FILE}"
  env > "${TMP_FILE}"
  while read -r line; do
    echo "${line}" | grep -q "^PWD="
    if [ $? = 0 ]; then
      continue
    fi
    echo "${line}" | grep -q "\s"
    if [ $? = 0 ]; then
      # double-quote blank separated values for $(export)
      # 1. awk: replace first(!) appearance of = with ="
      # 2. awk: replace end of line with double-quotes
      QUOTED=$(echo "${line}" | awk '{sub(/=/,"=\"");}1'| awk '{sub(/$/,"\"");}1')
      echo "export ${QUOTED}" >> "${OUT_FILE}"
    else
      echo "export ${line}" >> "${OUT_FILE}"
    fi
  done <"${TMP_FILE}"
  unlink "${TMP_FILE}"
  # start crond in background
  /usr/sbin/crond -b -S
fi