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110 lines
3.2 KiB
110 lines
3.2 KiB
#!/bin/bash |
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
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# ex: ts=8 sw=4 sts=4 et filetype=sh |
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# |
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# Copyright 2005-2010 Harald Hoyer <harald@redhat.com> |
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# Copyright 2005-2010 Red Hat, Inc. All rights reserved. |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# |
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usage() |
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{ |
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{ |
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echo "Usage: ${0##*/} [-s] [<initramfs file> [<filename>]]" |
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echo |
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echo "-h, --help print a help message and exit." |
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echo "-s, --size sort the contents of the initramfs by size." |
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echo |
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} >&2 |
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} |
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[[ $# -le 2 ]] || { usage ; exit 1 ; } |
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sorted=0 |
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while getopts "s" opt; do |
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case $opt in |
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s) sorted=1;; |
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h) usage; exit 0;; |
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\?) usage; exit 1;; |
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esac |
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done |
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shift $((OPTIND-1)) |
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KERNEL_VERSION="$(uname -r)" |
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if [[ "$1" ]]; then |
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image="$1" |
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if ! [[ -f "$image" ]]; then |
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{ |
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echo "$image does not exist" |
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echo |
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} >&2 |
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usage |
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exit 1 |
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fi |
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else |
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[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id |
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if [[ $MACHINE_ID ]] && [[ -d /boot/${MACHINE_ID} || -L /boot/${MACHINE_ID} ]] ; then |
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image="/boot/${MACHINE_ID}/${KERNEL_VERSION}/initrd" |
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else |
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image="/boot/initramfs-${KERNEL_VERSION}.img" |
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fi |
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fi |
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if ! [[ -f "$image" ]]; then |
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{ |
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echo "No <initramfs file> specified and the default image '$image' cannot be accessed!" |
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echo |
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} >&2 |
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usage |
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exit 1 |
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fi |
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CAT=zcat |
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FILE_T=$(file --dereference "$image") |
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if echo "test"|xz|xz -dc --single-stream >/dev/null 2>&1; then |
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XZ_SINGLE_STREAM="--single-stream" |
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fi |
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if [[ "$FILE_T" =~ :\ gzip\ compressed\ data ]]; then |
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CAT=zcat |
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elif [[ "$FILE_T" =~ :\ xz\ compressed\ data ]]; then |
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CAT="xzcat $XZ_SINGLE_STREAM" |
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elif [[ "$FILE_T" =~ :\ XZ\ compressed\ data ]]; then |
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CAT="xzcat $XZ_SINGLE_STREAM" |
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elif [[ "$FILE_T" =~ :\ LZMA ]]; then |
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CAT="xzcat $XZ_SINGLE_STREAM" |
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elif [[ "$FILE_T" =~ :\ data ]]; then |
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CAT="xzcat $XZ_SINGLE_STREAM" |
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fi |
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if [[ $# -eq 2 ]]; then |
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$CAT $image | cpio --extract --verbose --quiet --to-stdout ${2#/} 2>/dev/null |
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exit $? |
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fi |
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echo "$image: $(du -h $image | while read a b; do echo $a;done)" |
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echo "========================================================================" |
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$CAT "$image" | cpio --extract --verbose --quiet --to-stdout '*lib/dracut/dracut-*' 2>/dev/null |
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echo "========================================================================" |
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if [ "$sorted" -eq 1 ]; then |
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$CAT "$image" | cpio --extract --verbose --quiet --list | sort -n -k5 |
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else |
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$CAT "$image" | cpio --extract --verbose --quiet --list | sort -k9 |
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fi |
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echo "========================================================================"
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