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https://github.com/dracutdevs/dracut.git
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48 lines
1.8 KiB
Bash
Executable File
48 lines
1.8 KiB
Bash
Executable File
#!/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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[[ $# -le 2 ]] || { echo "Usage: $(basename $0) [<initramfs file> [<filename>]]" ; exit 1 ; }
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image="${1:-/boot/initramfs-$(uname -r).img}"
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[[ -f "$image" ]] || { echo "$image does not exist" ; exit 1 ; }
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CAT=zcat
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FILE_T=$(file "$image")
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if [[ "$FILE_T" =~ ": gzip compressed data" ]]; then
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CAT=zcat
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elif [[ "$FILE_T" =~ ": xz compressed data" ]]; then
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CAT=xzcat
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elif [[ "$FILE_T" =~ ": data" ]]; then
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CAT=lzcat
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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:"
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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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$CAT "$image" | cpio --extract --verbose --quiet --list
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echo "========================================================================"
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