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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
set -e
KERNEL_VERSION="$(uname -r)"
[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
if [[ $MACHINE_ID ]] && [[ -d /boot/${MACHINE_ID} || -L /boot/${MACHINE_ID} ]] ; then
IMG="/boot/${MACHINE_ID}/${KERNEL_VERSION}/initrd"
fi
[[ -f $IMG ]] || IMG="/boot/initramfs-${KERNEL_VERSION}.img"
cd /run/initramfs
[ -f .need_shutdown -a -f "$IMG" ] || exit 1
if zcat "$IMG" | cpio -id --quiet >/dev/null; then
rm -f -- .need_shutdown
elif xzcat "$IMG" | cpio -id --quiet >/dev/null; then
rm -f -- .need_shutdown
else
# something failed, so we clean up
echo "Unpacking of $IMG to /run/initramfs failed" >&2
rm -f -- /run/initramfs/shutdown
exit 1
fi
exit 0
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