#!/bin/bash
# Copyright (C) 2014 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
#
# See the License for the specific language governing permissions and
# limitations under the License.

# This is done in 50 because the vm element has, at 51, an bunch of code
# for properly handling grub. All we need to do here is get our values
# in to the files.

# dib-lint: disable=setu setpipefail
if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
    set -x
fi
set -e

# Set grub timeout to zero to save boot time.
if [ -f /etc/default/grub ] ; then
    sed -i -e 's/^GRUB_TIMEOUT=[0-9]\+/GRUB_TIMEOUT=0/' /etc/default/grub
    if which update-grub &> /dev/null ; then
        update-grub
    else
        # If update-grub isn't available, use grub2-mkconfig directly
        /usr/sbin/grub2-mkconfig -o /boot/grub2/grub.cfg
    fi
elif [ -f /boot/grub/grub.conf ] ; then
    sed -i -e 's/^timeout=[0-9]\+/timeout=0/' /boot/grub/grub.conf
fi