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home:mcbridematt:branches:devel:microos:images
openSUSE-MicroOS
qcow2toonie.sh
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File qcow2toonie.sh of Package openSUSE-MicroOS
#!/bin/bash # SPDX-FileCopyrightText: 2021 Fabian Vogt <fvogt@suse.de> # SPDX-License-Identifier: GPL-2.0-or-later set -eu if [ $# != 2 ]; then echo "Usage: $0 microos.qcow2 target/dir" exit 1 fi if ! [ -r "$1" ]; then echo "Need qcow2" exit 1 fi qcow2="$1" if ! [ -d "$2" ]; then echo "Need target dir" exit 1 fi targetdir="$2" cleanup() { qemu-nbd --disconnect /dev/nbd0 } trap cleanup EXIT # Make the qcow partitions available modprobe nbd qemu-nbd --read-only --connect=/dev/nbd0 "${qcow2}" # It needs some time to be properly available (I/O errors otherwise...) sleep 1 # Copy over the bios partition dd status=progress bs=1M if=/dev/nbd0p1 "of=${targetdir}/biospart" # Put the root partition into an .xz archive dd status=progress bs=1M if=/dev/nbd0p3 | xz -2 > "${targetdir}/rootpart.xz"
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