init
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commit
2840e2ee91
1
.gitignore
vendored
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1
.gitignore
vendored
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node_modules
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256
backup.sh
Executable file
256
backup.sh
Executable file
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#!/bin/bash
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IFS=$'\n'
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LOG='/root/backup-usb.log'
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USB_DISK=""
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USB_PARTITION=""
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USB_MOUNT="/mnt/usb"
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LUKS_PASS_URL="192.168.1.199:9999/andthepasswordis"
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LUKS_PASS=""
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function log() {
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echo -e "`date +'%d/%m/%Y %H:%M:%S'` | $1"
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echo -e "`date +'%d/%m/%Y %H:%M:%S'` | $1" >> $LOG
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}
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function usage() {
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echo
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echo -e "./backup.sh \e[93m--help \e[39m"
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echo -e "./backup.sh \e[93m--mount \e[39m"
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echo -e "./backup.sh \e[93m--umount \e[39m"
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echo -e "./backup.sh \e[92m--src=\e[39m/mnt/data \e[96m--dst=\e[39m/backup"
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echo -e "./backup.sh \e[92m--src=\e[39m/mnt/vmachines/storage \e[96m--dst=\e[39m/backup/data/VMachines"
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echo -e "./backup.sh \e[92m--src=\e[39m/data/backup \e[96m--dst=\e[39m/backup \e[91m--delete=\e[39myes"
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echo
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echo -e " $1"
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echo
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exit
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}
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function get_luks_password() {
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LUKS_PASS=$(curl -s $LUKS_PASS_URL | jq -r ".password")
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if [ -z "$LUKS_PASS" ]; then
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log "[FAIL] to get LUKS password"
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return 1
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else
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log "[ OK ] get LUKS password"
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return 0
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fi
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}
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function find_usb() {
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for DISK in `ls -l /dev/disk/by-id/usb* | grep -v part | awk -F/ '{print $NF}'`; do
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DEV="/dev/$DISK"
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for PARTITION in `ls -1 $DEV* | grep "[0-9]$"`; do
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cryptsetup isLuks $PARTITION
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if [ $? = 0 ]; then
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USB_PARTITION=$PARTITION
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return 0
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fi
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done
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log "[FAIL] to find encrypted USB partition"
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return 1
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done
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log "[FAIL] to find encrypted USB disk"
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return 1
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}
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function mount_usb() {
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echo $LUKS_PASS | cryptsetup luksOpen $USB_PARTITION crypted_usb
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if [ $? = 0 ]; then
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log "[ OK ] $USB_PARTITION decrypted"
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/usr/bin/mount /dev/mapper/crypted_usb /mnt/usb
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if [ $? = 0 ]; then
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log "[ OK ] $USB_PARTITION mounted"
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return 0
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else
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log "[FAIL] $USB_PARTITION mounted"
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return 1
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fi
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else
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log "[FAIL] $USB_PARTITION decrypted"
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return 1
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fi
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exit
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}
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function check_space () {
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src_size=$(du -s "$SRC" | awk '{print $1}')
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dst_size=$(df $MNT | grep "^/" | awk {'print $4'})
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log "$SRC usage size: $src_size"
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log "$MNT$DIR available size: $dst_size"
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if [ "$dst_size" -gt "$src_size" ]; then
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log "[ OK ] enought available space"
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return 0
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else
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log "[FAIL] not enought available space"
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return 1
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fi
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}
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function sync_files() {
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SRC_PATH=`dirname "$SRC"`
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SRC_DIR=`basename "$SRC"`
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DST_DIR=$USB_MOUNT$DST
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log "[ OK ] source : ${SRC_DIR}"
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log "[ OK ] destination: ${DST_DIR}/${SRC_DIR}"
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log "------------ RSYNC STARTED ---------"
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cd $SRC_PATH
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if [ "$DELETE" == "yes" ]; then
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rsync -av --stats \
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--temp-dir=/tmp \
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--links \
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--human-readable \
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--no-owner \
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--no-group \
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--include ".*" \
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--delete \
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"$SRC_DIR" "$DST_DIR" | tee -a $LOG
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else
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rsync -av \
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--stats \
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--temp-dir=/tmp \
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--include ".*" \
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--links \
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--human-readable \
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--no-owner \
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--no-group \
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"$SRC_DIR" "$DST_DIR" | tee -a $LOG
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fi
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cd /root
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log "------------ RSYNC ENDED -----------"
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return 0
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}
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function check_copy () {
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cd ${SRC}
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find * -type f -exec ls -s {} \; > /root/backup-src.log
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cd ${DST_DIR}/${SRC_DIR}
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find * -type f -exec ls -s {} \; > /root/backup-dst.log
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cd
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if diff -r /root/backup-src.log /root/backup-dst.log; then
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log "[ OK ] files check"
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else
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log "[FAIL] files check"
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fi
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return 0
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}
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function umount_usb() {
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if /usr/bin/umount $USB_MOUNT; then
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if [ $? = 0 ]; then
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log "[ OK ] umount usb disk"
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cryptsetup luksClose /dev/mapper/crypted_usb
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if [ $? = 0 ]; then
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log "[ OK ] close disk encryption"
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return 0
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else
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log "[FAIL] close disk encryption"
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return 1
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fi
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else
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log "[FAIL] umount usb disk"
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fi
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else
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log "[FAIL] to find mounted usb disk"
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fi
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}
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function statistics_usb() {
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USBTOTAL=$(df -h | grep $USB_MOUNT | awk '{print $2}')
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USBUSAGE=$(df -h | grep $USB_MOUNT | awk '{print $5}')
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USBUSED=$(df -h | grep $USB_MOUNT | awk '{print $3}')
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USBFREE=$(df -h | grep $USB_MOUNT | awk '{print $4}')
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log "USB DISK Total : ${USBTOTAL}"
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log "USB DISK Usage : ${USBUSAGE}"
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log "USB DISK Used : ${USBUSED}"
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log "USB DISK Free : ${USBFREE}"
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}
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function mount() {
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if find_usb; then
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if get_luks_password; then
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mount_usb
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fi
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fi
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exit
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}
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function umount() {
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umount_usb
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exit
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}
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function check_depentencies() {
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commands=(rsync cryptsetup curl jq)
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for command in "${commands[@]}"
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do
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if ! command -v ${command} > /dev/null; then
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log "Command $command not found"
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exit
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fi
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done
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}
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function main () {
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log ""
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log "BACKUP STARTED ===================="
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log "SOURCE : $SRC"
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log "DESTINATION : $USB_MOUNT$DST"
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log "WITH DELETE : ${DELETE:-"No (default)"}"
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log ""
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if check_depentencies; then
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if get_luks_password; then
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if find_usb; then
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if mount_usb; then
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sync_files
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fi
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statistics_usb
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umount_usb
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fi
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fi
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fi
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}
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for i in "$@"
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do
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case $i in
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--help)
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usage
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;;
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--mount)
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mount
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;;
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--umount)
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umount
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;;
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--getpass)
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get_luks_password
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;;
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--src=*)
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SRC="${i#*=}"
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shift
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;;
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--dst=*)
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DST="${i#*=}"
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shift
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;;
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--delete=*)
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DELETE="${i#*=}"
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shift
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;;
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*)
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usage
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;;
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esac
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done
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[ -z "$SRC" ] && usage "option \e[92m'--src'\e[39m is missing"
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[ -z "$DST" ] && usage "option \e[92m'--dst'\e[39m is missing"
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main
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