gentoo-overlay/sys-apps/memtest86+/files/39_memtest86+-r1

#!/bin/sh

. /usr/share/grub/grub-mkconfig_lib

memtest=/boot/memtest86plus/memtest.bin

memtestelf=/boot/memtest86plus/memtest

if [ -f "${memtest}" ] && [ -f "${memtestelf}" ]; then
	multiple_memtest=true
fi

submenu_indentation=""
if [ "${multiple_memtest}" = "true" ] && [ "${GRUB_DISABLE_SUBMENU}" != "y" ]; then
	submenu_indentation="${grub_tab}"
	cat <<EOF
submenu 'Memtest86+' {
EOF
fi

if [ -f "${memtest}" ]; then
	gettext_printf "Found memtest image: %s\n" "${memtest}" >&2

	device="$("${grub_probe}" --target=device "${memtest}")"
	path="$(make_system_path_relative_to_its_root "${memtest}")"
	cat <<EOF
${submenu_indentation}menuentry 'Memtest86+' {
EOF

	if [ -n "{submenu_indentation}" ]; then
		prepare_grub_to_access_device "${device}" | grub_add_tab | grub_add_tab
	else
		prepare_grub_to_access_device "${device}" | grub_add_tab
	fi

	cat <<EOF
	${submenu_indentation}linux16 "${path}"
${submenu_indentation}}
EOF
fi

if [ -f "${memtestelf}" ]; then
	gettext_printf "Found memtest image: %s\n" "${memtestelf}" >&2

	device="$("${grub_probe}" --target=device "${memtestelf}")"
	path="$(make_system_path_relative_to_its_root "${memtestelf}")"
	cat <<EOF
${submenu_indentation}menuentry 'Memtest86+ (ELF)' {
EOF

	if [ -n "${submenu_indentation}" ]; then
		prepare_grub_to_access_device "${device}" | grub_add_tab | grub_add_tab
	else
		prepare_grub_to_access_device "${device}" | grub_add_tab
	fi

	# We use knetbsd as a lazy way of booting an ELF.
	# It's not actually related to NetBSD at all.
	cat <<EOF
	${submenu_indentation}knetbsd "${path}"
${submenu_indentation}}
EOF
fi

if [ "${multiple_memtest}" = "true" ] && [ "${GRUB_DISABLE_SUBMENU}" != "y" ]; then
	cat <<EOF
}
EOF
fi