#!/bin/sh -e

delete_old_etc_modules() {
  # normalize the files by ignoring empty lines
  local modules_hash="$(sed -e '/^$/d' /etc/modules | md5sum | cut -d ' ' -f1)"

  case "$modules_hash" in
    330dcf902eae56682d44133c168fee89) ;;
    6e5894c5d926d1e69968e64e3ffa1cbd) ;;
    *) return ;;
  esac

  # delete the unmodified /etc/modules
  rm -f /etc/modules
}

create_etc_modules() {
  [ -e /etc/modules ] && return 0
  cat <<END > /etc/modules
# /etc/modules is obsolete and has been replaced by /etc/modules-load.d/.
# Please see modules-load.d(5) and modprobe.d(5) for details.
#
# Updating this file still works, but it is undocumented and unsupported.
END
  chmod 644 /etc/modules
  if which restorecon > /dev/null 2>&1; then
    restorecon /etc/modules
  fi
}

case "$1" in
  configure)
  delete_old_etc_modules
  create_etc_modules
esac

#DEBHELPER#

exit 0