#!/bin/sh
set -e

case `dpkg --print-architecture` in
kfreebsd-*)
# No migration from GRUB Legacy, no Linux cmdline
exit 0
;;
esac

. /usr/share/debconf/confmodule

priority=medium

case grub-pc in
grub-pc)
if test -e /boot/grub/stage2 && test -e /boot/grub/menu.lst && ! test -e /boot/grub/core.img ; then

db_input high grub-pc/chainload_from_menu.lst || true

db_get grub-pc/kopt_extracted || true
# this check ensures we only do this once
if [ "$RET" = "false" ] ; then
kopt=`sed -ne "s/^# kopt=//p" /boot/grub/menu.lst | tr -s " " "\n" | grep -vx "\(ro\|root=[^ ]*\)" | paste -s -d ' '` || true
db_set grub2/linux_cmdline "${kopt}" || true
db_set grub-pc/kopt_extracted true || true
if [ "${kopt}" = "" ] ; then
# something smells bad. give user a chance to correct it.
priority=high
else
# if we got something from menu.lst, it must be correct?
priority=medium
fi
timeout=`sed -ne "s/^timeout[[:space:]][[:space:]]*//p" /boot/grub/menu.lst` || true
if [ "${timeout}" != "" ]; then
db_set grub-pc/timeout "${timeout}" || true
fi
if grep -q '^hiddenmenu\([[:space:]]\|$\)' /boot/grub/menu.lst; then
db_set grub-pc/hidden_timeout true || true
else
db_set grub-pc/hidden_timeout false || true
fi
fi
fi
;;
esac

for x in /etc/default/grub /etc/default/grub.d/*.cfg ; do
if [ -e "$x" ]; then
. "$x"
fi
done

if [ "${GRUB_CMDLINE_LINUX+set}" = set ]; then
db_set grub2/linux_cmdline "$GRUB_CMDLINE_LINUX"
fi
if [ "${GRUB_CMDLINE_LINUX_DEFAULT+set}" = set ]; then
db_set grub2/linux_cmdline_default "$GRUB_CMDLINE_LINUX_DEFAULT"
fi

case grub-pc in
grub-pc)
if [ "${GRUB_TIMEOUT}" != "" ]; then
db_set grub-pc/timeout "$GRUB_TIMEOUT"
fi
if [ "${GRUB_HIDDEN_TIMEOUT}" != "" ]; then
db_set grub-pc/hidden_timeout true
elif egrep -qs '^#?[[:space:]]*GRUB_HIDDEN_TIMEOUT=' /etc/default/grub; then
db_set grub-pc/hidden_timeout false
fi
;;
esac
case grub-pc in
grub-*efi*|grub-ieee1275)
db_input low grub2/update_nvram || true
;;
esac

db_input ${priority} grub2/linux_cmdline || true
db_input medium grub2/linux_cmdline_default || true
db_go