#!/bin/sh

# This file generates the old menu.lst configuration with grub2
# It was copied from tomheadys github repo:
# https://github.com/tomheady/ec2debian/blob/master/src/root/etc/grub.d/40_custom

prefix=/usr
exec_prefix=${prefix}
bindir=${exec_prefix}/bin
libdir=${exec_prefix}/lib
. ${libdir}/grub/grub-mkconfig_lib

export TEXTDOMAIN=grub
export TEXTDOMAINDIR=${prefix}/share/locale

GRUB_DEVICE=/dev/sda1


cat << EOF
set default ${GRUB_DEFAULT}
set timeout ${GRUB_TIMEOUT}
insmod part_msdos
insmod ext2
insmod gettext
set menu_color_normal=cyan/blue
set meu_color_highlight=white/blue
set root='(hd0,msdos1)'
EOF

if ${GRUB_HIDDEN_TIMEOUT:-false}; then
	printf "hiddenmenu\n"
fi

linux_entry ()
{
	os="$1"
	version="$2"
	args="$4"

	title="$(gettext_quoted "%s, with Linux %s")"

	cat << EOF
menuentry 'Debian GNU/Linux, ${version}' --class debian --class gnu-linux --class os {
        insmod part_msdos
        insmod ext2
	set timeout ${GRUB_TIMEOUT}
	set root='(hd0,msdos1)'
        echo 'Loading Linux ${version}'
	linux ${rel_dirname}/${basename} root=${GRUB_DEVICE} ro ${args}
        echo 'Loading initial ramdisk ...'
	initrd ${rel_dirname}/${initrd}
}
EOF
}

list=`for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* ; do
		if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
		done`
prepare_boot_cache=

while [ "x$list" != "x" ] ; do
	linux=`version_find_latest $list`
	basename=`basename $linux`
	dirname=`dirname $linux`
	rel_dirname=`make_system_path_relative_to_its_root $dirname`
	version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
	alt_version=`echo $version | sed -e "s,\.old$,,g"`
	linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"

	initrd=
	for i in "initrd.img-${version}" "initrd-${version}.img" \
		"initrd-${version}" "initramfs-${version}.img" \
		"initrd.img-${alt_version}" "initrd-${alt_version}.img" \
		"initrd-${alt_version}" "initramfs-${alt_version}.img"; do
	if test -e "${dirname}/${i}" ; then
		initrd="$i"
		break
	fi
	done

	initramfs=
	for i in "config-${version}" "config-${alt_version}"; do
	if test -e "${dirname}/${i}" ; then
		initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${dirname}/${i}" | cut -f2 -d= | tr -d \"`
		break
	fi
	done

	linux_entry "${OS}" "${version}" \
		"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"

	list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
done