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akgnahakgnah
committedJul 25, 2019
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‎LICENSE

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MIT License
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Copyright (c) 2019 akgnah
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.

‎README.md

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# Rockpi-toolkit
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Welcome to rockpi-toolkit, the repository will collect tools that can be used on officially supported ubuntu and debian.
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## 1. rockpi-backup.sh
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This script allows you to back up your system using Rockpi4 or RockpiS. It is currently possible to back up each other between uSD and eMMC. I haven't tested it on NVMe, because I don't have it yet.
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### Install
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``` bash
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linaro@rockpi:~ $ curl -sL https://rock.sh/rockpi-backup -o rockpi-backup.sh
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linaro@rockpi:~ $ chmod +x rockpi-backup.sh
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```
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### Usage
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Run ./rockpi-backup.sh -h to print usage.
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```bash
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linaro@rockpi:~ $ sudo ./rockpi-backup.sh -h
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Usage:
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sudo ./rockpi-backup.sh [-o output|-m model|-t target|-u]
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-o specify output position, default is $PWD
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-m specify model, rockpi4 or rockpis, default is rockpi4
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-t specify target, backup or expand, default is backup
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-u unattended backup image, no confirmations asked
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linaro@rockpi:~ $
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```
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If you run it without any arguments, the script will work with the default values and will confirm you.
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```bash
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linaro@rockpi:~ $ sudo ./rockpi-backup.sh
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Welcome to use rockpi-backup.sh, part of the Rockpi toolbox.
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Enter rockpi-backup.sh -h to view help.
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For a description and example usage, see the README.md at:
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https://rock.sh/rockpi-toolbox
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--------------------
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Warning: The resulting partition is not properly aligned for best performance.
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--------------------
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The backup file will be saved at /home/linaro/rockpi-backup-190725-1004.img
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After this operation, 4656 MB of additional disk space will be used.
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Do you want to continue? [Y/n]
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```
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You can specify output path with provide -o argument, if it is a directory, the output file will be directory+date.img, if it is a .img ending file, the output file will be the file.
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```bash
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linaro@rockpi:~ $ sudo ./rockpi-backup.sh -o /home/linaro/debian.img
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Welcome to use rockpi-backup.sh, part of the Rockpi toolbox.
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Enter rockpi-backup.sh -h to view help.
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For a description and example usage, see the README.md at:
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https://rock.sh/rockpi-toolbox
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--------------------
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Warning: The resulting partition is not properly aligned for best performance.
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--------------------
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The backup file will be saved at /home/linaro/debian.img
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After this operation, 4656 MB of additional disk space will be used.
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Do you want to continue? [Y/n]
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```
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### Tips
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1. If you want to use dd to restore your image, and your uSD or eMMC has GPT partitions and is mounted, please umount before dd.
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2. If you are using debian, want to backup and restore from uSD to eMMC, or from eMMC to uSD, you need to edit the boot line in /etc/fstab, mmcblk0 for uSD and mmcblk1 for eMMC.

‎rockpi-backup.sh

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#!/bin/bash -e
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AUTHOR="Akgnah <1024@setq.me>"
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VERSION="0.10.0"
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SCRIPT_NAME=`basename $0`
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ROOTFS_MOUNT=/tmp/rootfs
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ROOTFS_PATH=/tmp/rootfs.img
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DEVICE=/dev/$(mount | sed -n 's|^/dev/\(.*\) on / .*|\1|p' | cut -b 1-7)
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if [ `id -u` != 0 ]
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then
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echo -e "${SCRIPT_NAME} needs to be run as root.\n"
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exit 1
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fi
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confirm() {
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if [ "$unattended" == "1" ]; then
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return 0
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fi
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printf "\n%s [Y/n] " "$1"
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read resp
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if [ "$resp" == "Y" ] || [ "$resp" == "y" ] || [ "$resp" == "yes" ]; then
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return 0
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fi
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if [ "$2" == "abort" ]; then
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echo -e "Abort.\n"
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exit 0
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fi
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if [ "$2" == "clean" ]; then
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rm "$3"
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echo -e "Abort.\n"
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exit 0
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fi
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return 1
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}
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commands="rsync parted gdisk resize-helper"
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packages="rsync parted gdisk 96boards-tools-common"
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need_packages=""
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idx=1
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for cmd in $commands
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do
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if ! command -v $cmd > /dev/null; then
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pkg=$(echo "$packages" | cut -d " " -f $idx)
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printf "%-30s %s\n" "Command not found: $cmd", "package required: $pkg"
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need_packages="$need_packages $pkg"
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fi
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((++idx))
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done
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if [ "$need_packages" != "" ]; then
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confirm "Do you want to apt-get install the packages?" "abort"
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apt-get install -y --no-install-recommends $need_packages
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fi
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OLD_OPTIND=$OPTIND
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while getopts "o:m:t:hu" flag; do
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case $flag in
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o)
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output="$OPTARG"
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;;
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m)
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model="$OPTARG"
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;;
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t)
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target="$OPTARG"
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;;
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h)
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$OPTARG
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print_help="1"
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;;
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u)
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$OPTARG
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unattended="1"
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;;
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esac
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done
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OPTIND=$OLD_OPTIND
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gen_partitions() {
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if [ "$model" == "rockpis" ]; then
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boot_size=229376
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else
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boot_size=1048576
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fi
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loader1_size=8000
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reserved1_size=128
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reserved2_size=8192
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loader2_size=8192
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atf_size=8192
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system_start=0
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loader1_start=64
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reserved1_start=$(expr ${loader1_start} + ${loader1_size})
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reserved2_start=$(expr ${reserved1_start} + ${reserved1_size})
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loader2_start=$(expr ${reserved2_start} + ${reserved2_size})
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atf_start=$(expr ${loader2_start} + ${loader2_size})
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boot_start=$(expr ${atf_start} + ${atf_size})
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rootfs_start=$(expr ${boot_start} + ${boot_size})
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}
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gen_image_file() {
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if [ "$output" == "" ]; then
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output=${PWD}/rockpi-backup-`date +%y%m%d-%H%M`.img
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else
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if [ "${output:(-4)}" == ".img" ]; then
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mkdir -p `dirname $output`
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else
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mkdir -p "$output"
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output=${output%/}/rockpi-backup-`date +%y%m%d-%H%M`.img
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fi
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fi
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rootfs_size=$(expr `df -P | grep /dev/root | awk '{print $3}'` \* 5 \/ 4 \/ 1024)
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dd if=/dev/zero of=${ROOTFS_PATH} bs=1M count=0 seek=$rootfs_size status=none
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img_rootfs_size=$(stat -L --format="%s" ${ROOTFS_PATH})
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gptimg_min_size=$(expr $img_rootfs_size + \( ${loader1_size} + ${reserved1_size} + ${reserved2_size} + ${loader2_size} + ${atf_size} + ${boot_size} + 35 \) \* 512)
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gpt_image_size=$(expr $gptimg_min_size \/ 1024 \/ 1024 + 2)
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dd if=/dev/zero of=${output} bs=1M count=0 seek=$gpt_image_size status=none
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parted -s ${output} mklabel gpt
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parted -s ${output} unit s mkpart loader1 ${loader1_start} $(expr ${reserved1_start} - 1)
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parted -s ${output} unit s mkpart loader2 ${loader2_start} $(expr ${atf_start} - 1)
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parted -s ${output} unit s mkpart trust ${atf_start} $(expr ${boot_start} - 1)
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parted -s ${output} unit s mkpart boot ${boot_start} $(expr ${rootfs_start} - 1)
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parted -s ${output} set 4 boot on
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parted -s ${output} -- unit s mkpart rootfs ${rootfs_start} -34s
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if [ "$model" == "rockpis" ]; then
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ROOT_UUID="614e0000-0000-4b53-8000-1d28000054a9"
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else
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ROOT_UUID="B921B045-1DF0-41C3-AF44-4C6F280D3FAE"
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fi
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gdisk ${output} > /dev/null << EOF
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x
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c
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5
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${ROOT_UUID}
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w
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y
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q
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EOF
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}
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check_avail_space() {
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output_=${output}
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while true; do
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store_size=`df -BM | grep "$output_\$" | awk '{print $4}' | sed 's/M//g'`
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if [ "$store_size" != "" ] || [ "$output_" == "\\" ]; then
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break
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fi
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output_=`dirname $output_`
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done
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if [ $(expr ${store_size} - ${gpt_image_size}) -lt 64 ]; then
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rm ${ROOTFS_PATH}
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rm ${output}
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echo -e "No space left on ${output_}\nAborted.\n"
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exit 1
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fi
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tmp_size=`df -BM | grep "/\$" | awk '{print $4}' | sed 's/M//g'`
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if [ $(expr ${tmp_size} - ${gpt_image_size}) -lt 64 ]; then
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if [ $(expr ${store_size} - ${gpt_image_size} - ${gpt_image_size}) -lt 64 ]; then
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rm ${ROOTFS_PATH}
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rm ${output}
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echo -e "No space left on /tmp or ${output_}\nAborted.\n"
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exit 1
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else
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echo '--------------------'
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echo -e "No space left on /tmp, so ${SCRIPT_NAME} put a temporary rootfs.img in ${output_}"
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confirm "Do you want to continue?" "abort"
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mv ${ROOTFS_PATH} ${output_}/rootfs.img
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ROOTFS_PATH=${output_}/rootfs.img
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fi
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fi
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return 0
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}
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backup_image() {
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mkdir -p ${ROOTFS_MOUNT}
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mkfs.ext4 ${ROOTFS_PATH}
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mount -t ext4 ${ROOTFS_PATH} $ROOTFS_MOUNT
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rsync --force -rltWDEgop --delete --stats --progress \
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--exclude "$output" \
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--exclude '.gvfs' \
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--exclude '/dev' \
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--exclude '/media' \
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--exclude '/mnt' \
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--exclude '/proc' \
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--exclude '/run' \
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--exclude '/sys' \
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--exclude '/tmp' \
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--exclude 'lost\+found' \
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--exclude "$ROOTFS_MOUNT" \
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// $ROOTFS_MOUNT
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# special dirs
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for i in dev media mnt proc run sys boot; do
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if [ ! -d $ROOTFS_MOUNT/$i ]; then
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mkdir $ROOTFS_MOUNT/$i
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fi
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done
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if [ ! -d $ROOTFS_MOUNT/tmp ]; then
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mkdir $ROOTFS_MOUNT/tmp
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chmod a+w $ROOTFS_MOUNT/tmp
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fi
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sync
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umount $ROOTFS_MOUNT
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dd if=${DEVICE}p1 of=${output} seek=${loader1_start} conv=notrunc
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dd if=${DEVICE}p2 of=${output} seek=${loader2_start} conv=notrunc
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dd if=${DEVICE}p3 of=${output} seek=${atf_start} conv=notrunc
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dd if=${DEVICE}p4 of=${output} conv=notrunc seek=${boot_start} status=progress
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dd if=${ROOTFS_PATH} of=${output} conv=notrunc,fsync seek=${rootfs_start} status=progress
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rm ${ROOTFS_PATH}
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echo "Backup done, backup file is ${output}"
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}
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usage() {
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echo -e "Usage:\n sudo ./${SCRIPT_NAME} [-o output|-m model|-t target|-u]"
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echo ' -o specify output position, default is $PWD'
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echo ' -m specify model, rockpi4 or rockpis, default is rockpi4'
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echo ' -t specify target, backup or expand, default is backup'
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echo ' -u unattended backup image, no confirmations asked'
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}
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main() {
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echo -e "Welcome to use rockpi-backup.sh, part of the Rockpi toolkit.\n"
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echo -e " Enter ${SCRIPT_NAME} -h to view help."
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echo -e " For a description and example usage, see the README.md at:
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https://rock.sh/rockpi-toolbox \n"
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echo '--------------------'
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if [ "$target" == "expand" ]; then
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gdisk ${DEVICE} << EOF
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w
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y
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y
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EOF
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systemctl enable resize-helper
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else
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gen_partitions
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gen_image_file
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check_avail_space
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echo '--------------------'
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printf "The backup file will be saved at %s\n" "$output"
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printf "After this operation, %s MB of additional disk space will be used.\n" "$gpt_image_size"
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confirm "Do you want to continue?" "clean" "$output"
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backup_image
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fi
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}
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if [ "$print_help" == "1" ]; then
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usage
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else
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main
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fi
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# end

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