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#!/usr/bin/env bash
########################################################
# 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: ${MEMTEST86_IMAGE}" >&2
_GRUB_MEMTEST_HINTS_STRING="$(${grub_probe} --target=hints_string ${MEMTEST86_IMAGE})"
_GRUB_MEMTEST_FS_UUID="$(${grub_probe} --target=fs_uuid ${MEMTEST86_IMAGE})"
_GRUB_MEMTEST_REL_PATH="$(make_system_path_relative_to_its_root ${MEMTEST86_IMAGE})"
cat << EOF
if [ "\${grub_platform}" == "pc" ]; then
menuentry "Memory Tester (memtest86+)" ${CLASS} {
search --fs-uuid --no-floppy --set=root ${_GRUB_MEMTEST_HINTS_STRING} ${_GRUB_MEMTEST_FS_UUID}
linux16 ${_GRUB_MEMTEST_REL_PATH} ${GRUB_CMDLINE_MEMTEST86}
}
fi
EOF
fi
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