| #!/bin/bash |
| # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
| # ex: ts=8 sw=4 sts=4 et filetype=sh |
| # |
| # Copyright 2005-2010 Harald Hoyer <harald@redhat.com> |
| # Copyright 2005-2010 Red Hat, Inc. All rights reserved. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 2 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| # |
| |
| [[ $# -le 2 ]] || { echo "Usage: $(basename $0) [-s] [<initramfs file> [<filename>]]" ; exit 1 ; } |
| |
| sorted=0 |
| while getopts "s" opt; do |
| case $opt in |
| s) sorted=1;; |
| \?) exit 1;; |
| esac |
| done |
| shift $((OPTIND-1)) |
| |
| image="${1:-/boot/initramfs-$(uname -r).img}" |
| [[ -f "$image" ]] || { echo "$image does not exist" ; exit 1 ; } |
| |
| CAT=zcat |
| FILE_T=$(file "$image") |
| |
| if echo "test"|xz|xz -dc --single-stream >/dev/null 2>&1; then |
| XZ_SINGLE_STREAM="--single-stream" |
| fi |
| |
| if [[ "$FILE_T" =~ ": gzip compressed data" ]]; then |
| CAT=zcat |
| elif [[ "$FILE_T" =~ ": xz compressed data" ]]; then |
| CAT="xzcat $XZ_SINGLE_STREAM" |
| elif [[ "$FILE_T" =~ ": XZ compressed data" ]]; then |
| CAT="xzcat $XZ_SINGLE_STREAM" |
| elif [[ "$FILE_T" =~ ": data" ]]; then |
| CAT=lzcat |
| fi |
| |
| if [[ $# -eq 2 ]]; then |
| $CAT $image | cpio --extract --verbose --quiet --to-stdout ${2#/} 2>/dev/null |
| exit $? |
| fi |
| |
| echo "$image: $(du -h $image | awk '{print $1}')" |
| echo "========================================================================" |
| $CAT "$image" | cpio --extract --verbose --quiet --to-stdout 'lib/dracut/dracut-*' 2>/dev/null |
| echo "========================================================================" |
| if [ "$sorted" -eq 1 ]; then |
| $CAT "$image" | cpio --extract --verbose --quiet --list | sort -n -k5 |
| else |
| $CAT "$image" | cpio --extract --verbose --quiet --list |
| fi |
| echo "========================================================================" |