117 lines
4.5 KiB
Bash
117 lines
4.5 KiB
Bash
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#!/bin/bash
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first_be_sure="First be sure that the USB device to backup to is connected now"
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no_config="There is no configuration file. Let's create it. Choose the USB device that will trigger the backup"
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devices="Devices"
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select_path="Select the path in the disk (must be mounted) to place the backup"
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select_folder="Select the folder to backup"
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encrypt="Do you want to encrypt the backups? (Recommended)"
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initializing="Initializing repository"
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backing_up="Backing up"
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to="to"
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there_was_error="There was an error"
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backup_succeeded="Backup finished without errors.\n Result: "
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doing_backup="doing the backup"
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initializing_low="initializing repository"
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waiting="Waiting another 3 seconds"
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waited="Waited for 60 seconds for the destination to be available without sucess. Check your configuration and that the destination folder exists"
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another_copy="There is another copy running"
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function configure() {
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zenity --info --text "${first_be_sure}"
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# shellcheck disable=SC2046
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device=$(zenity --list --text="${no_config}" --column="${devices}" --separator='\n' $(lsusb | sed 's/.* ID //g' | sed 's/ /_/g'))
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echo "device='${device}'" > "${HOME}/.config/simple_backup.conf"
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zenity --info --text "${select_path}"
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destination=$(zenity --file-selection --directory)
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echo "destination='${destination}'" >> "${HOME}/.config/simple_backup.conf"
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zenity --info --text "${select_folder}"
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folder=$(zenity --file-selection --directory)
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echo "folder='${folder}'" >> "${HOME}/.config/simple_backup.conf"
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if zenity --question --text "${encrypt}"; then
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password=$(zenity --password)
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echo "${password}" > "${HOME}/.config/simple_backup.password"
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chmod go-rwx "${HOME}/.config/simple_backup.password"
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else
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rm "${HOME}/.config/simple_backup.password"
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fi
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}
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script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
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script_name=$(basename "${BASH_SOURCE[0]}")
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# shellcheck disable=SC2001
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locale=$(echo "${LANG}" | sed 's/\..*$//')
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if [ -e "${script_dir}/locales/${locale}" ]; then
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# shellcheck disable=SC1090
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source "${script_dir}/locales/${locale}"
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fi
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if [ ! -r "${HOME}/.config/simple_backup.conf" ]; then
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configure
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fi
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if [ $(pgrep -f -c "${script_name}") -gt 1 ]; then
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echo "${another_copy}"
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exit 3
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fi
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# shellcheck disable=SC1091
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source "${HOME}/.config/simple_backup.conf"
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if [ -r "${HOME}/.config/simple_backup.password" ]; then
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password_file=(--password-file "${HOME}/.config/simple_backup.password")
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else
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password_file=()
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fi
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mkdir -p "${HOME}/.logs"
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vendor="${device:0:4}"
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product_id="${device:5:4}"
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if [ ! -e /etc/udev/rules.d/10_simple_backup.rules ]; then
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sudo touch /etc/udev/rules.d/10_simple_backup.rules
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echo "SUBSYSTEM==\"usb\" ACTION==\"add\" ATTRS{idVendor}==\"${vendor}\" ATTRS{idProduct}==\"${product_id}\" ATTR{partscan}==\"1\" TAG+=\"systemd\" ENV{SYSTEMD_USER_WANTS}=\"simple_backup@\$devnode.service\"" | sudo tee /etc/udev/rules.d/10_simple_backup.rules
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fi
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if [ ! -e "${HOME}/.config/systemd/user/simple_backup@.service" ]; then
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mkdir -p "${HOME}/.config/systemd/user/"
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cat << EOF > "${HOME}/.config/systemd/user/simple_backup@.service"
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[Unit]
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Description=Simple backup USB serial device at %I
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[Service]
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Type=simple
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ExecStart=bash -c 'sleep \$((1 + \$RANDOM % 10)); ${script_dir}/${script_name} %IEOF'
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EOF
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systemctl --user daemon-reload
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systemctl --user enable simple_backup@.service
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fi
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if [ ! -e "${destination}" ]; then
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count=0
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while [ ! -e "${destination}" ]
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do
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sleep 3
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echo "${waiting}"
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count=$((count + 1))
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if [ ${count} -gt 20 ]; then
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zenity --error --text "${waited}"
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exit 2
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fi
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done
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fi
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if [ ! -e "${destination}/config" ]; then
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echo "${initializing} '${destination}'..."
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if ! restic init "${password_file[@]}" -r "${destination}"; then
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zenity --error --text "${there_was_error} ${return_code} ${initializing_low}"
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exit 1
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fi
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fi
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echo "${backing_up} '${folder}' ${to} '${destination}'..."
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current_date=$(date +%Y.%m.%d_%H_%M_%S)
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restic backup "${password_file[@]}" -r "${destination}" "${folder}" --json > "${HOME}/.logs/simple_backup_${current_date}.json"
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return_code=${?}
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cp "${HOME}/.logs/simple_backup_${current_date}.json" "${HOME}/.logs/simple_backup_last.json" -f
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if [ "${return_code}" != "0" ]; then
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zenity --error --text "${there_was_error} ${return_code} ${doing_backup}"
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else
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result=$(tail -n1 "${HOME}/.logs/simple_backup_${current_date}.json" | jq '.')
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zenity --info --text "${backup_succeeded} ${result}"
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fi
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