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#!/bin/sh
# Ensure grub will load the correct kernel on resume from hibernate,
# TODO: This is rather redhat specific, and very grub specific.
default_resume_kernel()
{
[ "$1" = "suspend" ] && return $NA
case $(uname -m) in
i?86|x86_64|athlon)
;;
*) # this is only valid for x86 and x86_64
return $NA
;;
esac
[ -x /sbin/grubby -a -x /sbin/grub ] || return $NA
[ -e "/boot/vmlinuz-$(uname -r)" ] || return 1
out=$(/sbin/grubby --info /boot/vmlinuz-$(uname -r) |grep index)
[ -n "${out}" ] || return 1
current=${out#index=}
echo "savedefault --default=${current} --once" | \
/sbin/grub --device-map=/boot/grub/device.map \
--batch --no-floppy --no-curses >/dev/null
return 0
}
case "$1" in
hibernate|suspend)
default_resume_kernel $2
;;
*) exit $NA
;;
esac
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