49 lines
1.5 KiB
Bash
Executable File
49 lines
1.5 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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source $_LIB/img-functions
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function cleanup_old_kernel_initrd()
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{
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KERNEL_VERSION=${KERNEL#vmlinuz-}
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if [ -n "${BOOTDIR}" ] ; then
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for file in `ls $BOOTDIR/vmlinuz-* | grep -v $KERNEL_VERSION | grep -v debug`
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do
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echo "Removing unnecessary kernels and ramdisk images from image."
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file=$(basename $file)
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rm -Rvf $BOOTDIR/*${file#vmlinuz-}*
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done
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fi
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}
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# Dig up the initrd and kernel.
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select_boot_kernel_initrd $TARGET_ROOT
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BOOTDIR=$TARGET_ROOT/boot
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# Select_boot_kernel has support for redhat/debian/openSUSE
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# openSUSE has a built-in logic to delete old kernels
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# Hence cleanup_old_kernel will be used only for redhat and debian derived distros.
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if [ -f $TARGET_ROOT/etc/redhat-release -o -f $TARGET_ROOT/etc/debian_version ] ; then
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cleanup_old_kernel_initrd
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fi
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