#!/bin/sh
set -e

if [ -f /usr/lib/grub/grub-mkconfig_lib ]; then
  . /usr/lib/grub/grub-mkconfig_lib
  LX=linux16
elif [ -f /usr/lib/grub/update-grub_lib ]; then
  . /usr/lib/grub/update-grub_lib
  LX=linux
else
  # no grub file, so we notify and exit gracefully
  echo "Cannot find grub config file, exiting." >&2
  exit 0
fi

# We can't cope with loop-mounted devices here.
case ${GRUB_DEVICE_BOOT} in
  /dev/loop/*|/dev/loop[0-9]) exit 0 ;;
esac

prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")"

if test -e /boot/memtest86+.bin ; then
  MEMTESTPATH=$( make_system_path_relative_to_its_root "/boot/memtest86+.bin" )
  echo "Found memtest86+ image: $MEMTESTPATH" >&2
  cat << EOF
menuentry "Memory test (memtest86+)" {
EOF
  printf '%s\n' "${prepare_boot_cache}"
  cat << EOF
	$LX	$MEMTESTPATH
}
menuentry "Memory test (memtest86+, serial console 115200)" {
EOF
  printf '%s\n' "${prepare_boot_cache}"
  cat << EOF
	$LX	$MEMTESTPATH console=ttyS0,115200n8
}
EOF
fi

#if test -e /boot/memtest86+_multiboot.bin ; then
#  MEMTESTPATH=$( make_system_path_relative_to_its_root "/boot/memtest86+_multiboot.bin" )
#  echo "Found memtest86+ multiboot image: $MEMTESTPATH" >&2
#  cat << EOF
#menuentry "Memory test (memtest86+, experimental multiboot)" {
#EOF
#  printf '%s\n' "${prepare_boot_cache}"
#  cat << EOF
#	multiboot	$MEMTESTPATH
#}
#menuentry "Memory test (memtest86+, serial console 115200, experimental multiboot)" {
#EOF
#  printf '%s\n' "${prepare_boot_cache}"
#  cat << EOF
#	multiboot	$MEMTESTPATH console=ttyS0,115200n8
#}
#EOF
#fi