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#! /bin/sh -e
########################################################
# This script generates a memtest86+ entry on grub.cfg #
# if memtest is installed on the system.               #
########################################################

prefix="/usr"
exec_prefix="${prefix}"

datarootdir="/usr/share"
datadir="${datarootdir}"

. "${datadir}/grub/grub-mkconfig_lib"

MEMTEST86_IMAGE="/boot/memtest86+/memtest.bin"
CLASS="--class memtest86 --class gnu --class tool"

if [ -e $MEMTEST86_IMAGE ] && is_path_readable_by_grub $MEMTEST86_IMAGE; then
  # image exists, create menu entry
  echo "Found memtest86+ image: $MEMTEST86_IMAGE" >&2
  cat << EOF
menuentry "Memory test (memtest86+)" $CLASS {
EOF
  prepare_grub_to_access_device `${grub_probe} --target=device $MEMTEST86_IMAGE` | sed -e "s/^/  /"
  cat << EOF
  linux16 (\$root)`make_system_path_relative_to_its_root $MEMTEST86_IMAGE`
}
EOF
fi