52 lines
767 B
Text
52 lines
767 B
Text
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#!/bin/sh
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set -eu
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usage()
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{
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echo "Usage: $(basename $0) <initramfs file>"
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}
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if [ "$#" -eq 0 ] ; then
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usage >&2
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exit 1
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fi
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cpio_args="--extract --quiet --list"
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OPTIONS=`getopt -o hl --long help,long -n "$0" -- "$@"`
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# Check for non-GNU getopt
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if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 1 ; fi
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eval set -- "$OPTIONS"
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while true; do
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case "$1" in
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-h|--help)
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usage
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exit 0
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;;
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-l|--long)
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cpio_args="${cpio_args:+${cpio_args} --verbose}"
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shift
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;;
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--)
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shift
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break
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;;
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*)
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echo "Internal error!" >&2
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exit 1
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esac
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done
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for initramfs in "$@" ; do
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if ! [ -r "${initramfs}" ] ; then
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echo "Specified file could not be read." >&2
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exit 1
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else
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echo "${initramfs}"
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zcat "${initramfs}" | cpio ${cpio_args}
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fi
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done
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