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#!/bin/bash
#
# Copyright 2014 Hewlett-Packard Development Company, L.P.
# All Rights Reserved.
#
# 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.
if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
source $_LIB/img-functions
function cleanup_old_kernel_initrd()
{
KERNEL_VERSION=${KERNEL#vmlinuz-}
if [ -n "${BOOTDIR}" ] ; then
for file in `ls $BOOTDIR/vmlinuz-* | grep -v $KERNEL_VERSION | grep -v debug`
do
echo "Removing unnecessary kernels and ramdisk images from image."
file=$(basename $file)
rm -Rvf $BOOTDIR/*${file#vmlinuz-}*
done
fi
}
# Dig up the initrd and kernel.
select_boot_kernel_initrd $TARGET_ROOT
BOOTDIR=$TARGET_ROOT/boot
# Select_boot_kernel has support for redhat/debian/openSUSE
# openSUSE has a built-in logic to delete old kernels
# Hence cleanup_old_kernel will be used only for redhat and debian derived distros.
if [ -f $TARGET_ROOT/etc/redhat-release -o -f $TARGET_ROOT/etc/debian_version ] ; then
cleanup_old_kernel_initrd
fi
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