TUBS - V2
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janic
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8
tubs.config
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tubs.config
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DATE_FORMAT="+%Y-%m-%d_%H-%M"
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BACKUP_SRC_ARRAY=("/home/janic/workspace/TUBS/TEST/SRC1" "/home/janic/workspace/TUBS/TEST/SRC2" "/home/janic/workspace/TUBS/TEST/SRC3" "/home/janic/workspace/TUBS/TEST/SRC4")
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BACKUP_DST="/home/janic/workspace/TUBS/TEST/DST"
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BACKUP_PREFIX="backup_"
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RESTORE_PRFIX="restore_"
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RSYNC_ARGS="-azP"
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PRE_BACKUP_SCRIPT=""
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POST_BACKUP_SCRIPT=""
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tubs.sh
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tubs.sh
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#!/bin/bash
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#============================================================================
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#title : TUBS
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#description : The Ultimate Backup Script (Linux) Version 2
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#author : Janic Voser Xelon
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#date : 2022-04-08
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#updated : 2022-04-09
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#version : 2.0
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#usage : chmod +x tubs.sh && ./tubs.sh
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#notes :
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#bash_version :
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#============================================================================
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# Config
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## Configfile
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#CONFIG_FILE=/etc/tubs/config # Any Config File
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CONFIG_FILE="$PWD/tubs.config"
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# Functions
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## Colorful Information
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function blue(){ # The blue color is used for inforation
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echo -e '\e[34m'"$1"'\e[0m'
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}
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function cyan(){ # The cyan color is only used for help
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echo -e '\e[0;36m'"$1"'\e[0m'
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}
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function green(){ # The green color is used for successful steps
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echo -e '\e[32m'"$1"'\e[0m'
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}
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function magenta(){ # The magenta color is used for warnings & important Information
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echo -e '\e[35m'"$1"'\e[0m'
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}
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function red(){ # The red color is used for failed steps
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echo -e '\e[31m'"$1"'\e[0m' && exit 1
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}
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## Critical Error
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function critical_error {
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red "Critical error during: $1"
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}
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## Load Config
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function load_config {
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if [ -e "$CONFIG_FILE" ]
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then
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blue "Loading Config"
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source "$CONFIG_FILE" || critical_error "Reading Configfile"
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else
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red "Configfile not Found"
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fi
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}
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## Create destination Structure
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function create_dst {
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mkdir -p "$BACKUP_DST_FULL" || critical_error "Creating Directory BACKUP_DST_FULL"
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mkdir -p "$BACKUP_DST_INC" || critical_error "Creating Directory BACKUP_DST_INC"
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}
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## Check destination
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function check_dst {
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if [ -e "$BACKUP_DST" ]
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then
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blue "Backup destinantion existing"
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else
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red "Backup destination not existing"
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fi
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mkdir -p "$BACKUP_DST_INC_PATH" || critical_error "Error while creating incremental backup-directory ($BACKUP_DST_INC_PATH)"
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mkdir -p "$BACKUP_DST_FULL_LOGS" || critical_error "Error while creating log directory ($BACKUP_DST_FULL_LOGS)"
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}
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## Check sources
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function check_src {
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for src_dir in "${BACKUP_SRC_ARRAY[@]}"
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do
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if [[ "$src_dir" =~ ^*[/] ]]
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then
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critical_error "$src_dir is ending with slash please remove it"
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fi
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if ! [ -d "$src_dir" ]
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then
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critical_error "$src_dir is not a directory"
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fi
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green "Source $src_dir is valid"
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done
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}
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## Check Incremental Date
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function check_inc {
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if ! [ -e "$BACKUP_LAST_FILE" ]
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then
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magenta "Missing last successfull backup file, just using the day before"
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LAST_BACKUP="$(date --date="yesterday" "$DATE_FORMAT")"
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else
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LAST_BACKUP="$(cat "$BACKUP_LAST_FILE")"
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if ! [[ $LAST_BACKUP =~ ^[0-9]{4}(-[0-9]{2}){2}_[0-9]{2}-[0-9]{2} ]]
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then
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magenta "Content of last successfull backup file was not valid"
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LAST_BACKUP="$(date --date="yesterday" "$DATE_FORMAT")"
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fi
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fi
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BACKUP_DST_INC_PATH="$BACKUP_DST_INC/$BACKUP_PREFIX$LAST_BACKUP"
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}
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## Check Prerequirements
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function check_prereq {
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command -v rsync &> /dev/null || critical_error "Missing rsync"
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green "All requirements are saturated"
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}
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## Last successful backup
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function last_backup {
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if touch "$BACKUP_LAST_FILE" &> /dev/null
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then
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echo "$BACKUP_DATE" > "$BACKUP_LAST_FILE"
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else
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critical_error "Can not write Last successful backup file"
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fi
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}
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## Backup all
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function backup_all {
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blue "Starting Backup Processes"
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for src_dir in "${BACKUP_SRC_ARRAY[@]}"
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do
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src_dir_name="$(echo "$src_dir" | rev | cut -d / -f 1 | rev)"
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cat << EOF >> "$BACKUP_DST_FULL_LOGS/$src_dir_name.log"
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################################################################################
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#############################TUBS $BACKUP_DATE##############################
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################################################################################
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EOF
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rsync "$RSYNC_ARGS" --backup --delete --backup-dir="$BACKUP_DST_INC_PATH/" "$src_dir" "$BACKUP_DST_FULL/$src_dir_name" >> "$BACKUP_DST_FULL_LOGS/$src_dir_name.log" &
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done
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green "All backup processes started successfull"
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blue "Waiting for processes to finish"
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# wait for all pids
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jobs=$(jobs -p)
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for process in $jobs
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do
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wait "$process" || critical_error "Process: $process failed"
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done
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green "All Processes finished"
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}
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## Pre Backup Script
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function pre_backup_script {
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if [ -e "$PRE_BACKUP_SCRIPT" ]
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then
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if [ -x "$PRE_BACKUP_SCRIPT" ]
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then
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blue "Executing Pre-Backup-Script"
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$PRE_BACKUP_SCRIPT
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green "Pre-Backup-Script finished"
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else
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magenta "Pre-Backup-Script is not executable"
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fi
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else
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blue "No Pre-Backup-Script found"
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fi
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}
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## Post Backup Script
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function post_backup_script {
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if [ -e "$POST_BACKUP_SCRIPT" ]
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then
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if [ -x "$POST_BACKUP_SCRIPT" ]
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then
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blue "Executing Post-Backup-Script"
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$POST_BACKUP_SCRIPT
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green "Post-Backup-Script finished"
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else
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magenta "Post-Backup-Script is not executable"
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fi
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else
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blue "No Pre-Backup-Script found"
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fi
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}
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## Generate Variables
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load_config # Load config first (Variables are dependent on it)
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BACKUP_DATE="$(date "$DATE_FORMAT")"
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BACKUP_DST_FULL="$BACKUP_DST/FULL"
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BACKUP_DST_FULL_LOGS="$BACKUP_DST_FULL/logs"
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BACKUP_DST_INC="$BACKUP_DST/INCREMENTAL"
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BACKUP_LAST_FILE="$BACKUP_DST/LAST_SUCCESSFULL_BACKUP"
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# Main Script
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## Load config
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if [ -n "$1" ]
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then
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case "$1" in
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help)
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cyan "Execute this script with one of the following arguments"
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cyan " - help --> Display help (your reading it right now)"
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cyan " - init --> Initialize the backup Structure"
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cyan " - backup --> Do the accual backup"
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cyan " - restore --> Restore all the data from a certain day"
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;;
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init)
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blue "Starting initialisation"
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create_dst
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blue "Initialisation was successfull"
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;;
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backup)
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green "TUBS started"
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check_inc
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check_dst
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check_src
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check_prereq
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last_backup
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pre_backup_script
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backup_all
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post_backup_script
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green "TUBS finished"
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;;
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restore)
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magenta "I am kinda sorry this is not implemented yet"
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exit
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;;
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*)
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red "Your supplied argument was not valid use help if you don't know what you are doing"
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;;
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esac
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exit
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else
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cyan "Please supply a valid argument or execute with help flag"
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fi
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