#!/bin/bash
{
#////////////////////////////////////
# DietPi Backup
#
#////////////////////////////////////
# Created by Daniel Knight / daniel.knight@dietpi.com / dietpi.com
#
#////////////////////////////////////
#
# Info:
# - filename /DietPi/dietpi/dietpi-backup
# - Allows for a complete system back and restore of the linux filesystem (/)
#
# Usage:
# - /DietPi/dietpi/dietpi-backup -1 = Restore
# - /DietPi/dietpi/dietpi-backup = Menu
# - /DietPi/dietpi/dietpi-backup 1 = Backup
#
# $2 = optional directory location to use with backup/restore input:
# - /DietPi/dietpi/dietpi-backup -1 /mnt/MyDirectoryTarget = Restore
# - /DietPi/dietpi/dietpi-backup 1 /mnt/MyDirectoryTarget = Backup
#////////////////////////////////////
#Grab Input
INPUT=0
if [[ $1 =~ ^-?[0-9]+$ ]]; then
INPUT=$1
fi
#Import DietPi-Globals ---------------------------------------------------------------
. /DietPi/dietpi/func/dietpi-globals
G_CHECK_ROOT_USER
G_CHECK_ROOTFS_RW
export G_PROGRAM_NAME='DietPi-Backup'
#Import DietPi-Globals ---------------------------------------------------------------
#/////////////////////////////////////////////////////////////////////////////////////
# MENUS
#/////////////////////////////////////////////////////////////////////////////////////
WHIP_BACKTITLE='DietPi-Backup'
WHIP_TITLE=''
MENU_LASTITEM=''
CHOICE=0
OPTION=0
TARGETMENUID=0
#TARGETMENUID=0
Menu_Main(){
local backup_last_completed_system='System backup not found. Create one.'
if [ -f "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM" ]; then
backup_last_completed_system=$(grep 'Completed' "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM" | tail -1)
fi
local backup_last_completed_userdata='User data backup not found (requires "Full" backup mode)'
if [ -f "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_USERDATA" ]; then
backup_last_completed_userdata=$(grep 'Completed' "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_USERDATA" | tail -1)
fi
local text_backup_mode='System only'
local text_start_mode_desc='system'
if (( $BACKUP_MODE == 1 )); then
text_backup_mode='Full'
text_start_mode_desc='system and user data'
fi
WHIP_TITLE='DietPi-Backup'
OPTION=$(whiptail --title "$WHIP_TITLE" --menu "Current backup and restore location:\n - $FP_TARGET_BACKUP\n - $backup_last_completed_system\n - $backup_last_completed_userdata" --cancel-button "Exit" --default-item "$MENU_LASTITEM" --backtitle "$WHIP_BACKTITLE" 16 80 5 \
"Help" "What does DietPi-Backup do?" \
"Location" "Change where your backup will be saved and restored from." \
"Backup mode" ": $text_backup_mode" \
"Backup" "Create (or update) a backup of this system." \
"Restore" "Restore this system from a previous backup." 3>&1 1>&2 2>&3)
CHOICE=$?
if (( $CHOICE == 0 )); then
MENU_LASTITEM="$OPTION"
case "$OPTION" in
Location)
TARGETMENUID=1
;;
"Backup mode")
OPTION=$(whiptail --title "$WHIP_TITLE" --menu "Please select a backup mode:\n\n - System only\nOnly the system is backed up and restored, this does not include your DietPi user data ($G_FP_DIETPI_USERDATA).\n\n - Full:\nSystem and user data ($G_FP_DIETPI_USERDATA) is backed up and restored.\n\nMore information on what DietPi user data is:\nhttp://dietpi.com/phpbb/viewtopic.php?f=8&t=478#p2087" --cancel-button "Exit" --default-item "$BACKUP_MODE" --backtitle "$WHIP_BACKTITLE" 20 80 2 \
"0" "System only" \
"1" "Full (includes user data)" 3>&1 1>&2 2>&3)
CHOICE=$?
if (( $CHOICE == 0 )); then
BACKUP_MODE=$OPTION
fi
;;
Help)
whiptail --title "DietPi-Backup Help" --msgbox "DietPi-Backup is a program that allows you to Backup and Restore your DietPi system.\n\nIf you have broken your system, or want to reset your system to an earlier date, this can all be done with DietPi-Backup.\n\nSimply choose a location where you want to save and restore your backups from, then, select Backup or Restore.\n\nMore information:\n - http://dietpi.com/phpbb/viewtopic.php?f=8&t=5&p=256#p255" --backtitle "$WHIP_BACKTITLE" 20 75
;;
Backup)
WHIP_TITLE=' Start backup? '
whiptail --title "$WHIP_TITLE" --yesno "Your $text_start_mode_desc will be backed up to:\n$FP_TARGET_BACKUP\n\nDo you wish to continue?" --yes-button "Ok" --no-button "Back" --defaultno --backtitle "$WHIP_BACKTITLE" 11 65
CHOICE=$?
if (( $CHOICE == 0 )); then
Run_Backup
fi
;;
Restore)
WHIP_TITLE=' Start restore? '
whiptail --title "$WHIP_TITLE" --yesno "Your $text_start_mode_desc will be restored from:\n$FP_TARGET_BACKUP\n\nDo you wish to continue?" --yes-button "Ok" --no-button "Back" --defaultno --backtitle "$WHIP_BACKTITLE" 11 65
CHOICE=$?
if (( $CHOICE == 0 )); then
Run_Restore
fi
;;
esac
else
Menu_Exit
fi
}
Menu_Exit(){
WHIP_TITLE=' Exit DietPi-Backup? '
whiptail --title "$WHIP_TITLE" --yesno "$WHIP_TITLE" --yes-button "Ok" --no-button "Back" --defaultno --backtitle "$WHIP_BACKTITLE" 10 50
CHOICE=$?
#Exit
if (( $CHOICE == 0 )); then
TARGETMENUID=-1
fi
}
#TARGETMENUID=1
Menu_Set_Directory(){
local current_directory="$FP_TARGET_BACKUP"
WHIP_TITLE='Select your backup and restore location'
OPTION=$(whiptail --title "$WHIP_TITLE" --menu "Please select the location where your system backup will be saved, and restored from.\n\nYour current location:\n$FP_TARGET_BACKUP" --cancel-button "Back" --backtitle "$WHIP_BACKTITLE" 15 75 3 \
"Search" "Find previous backups in /mnt/*" \
"List" "Select from a list of available mounts/drives" \
"Manual" "Manually type a directory to use." 3>&1 1>&2 2>&3)
CHOICE=$?
if (( $CHOICE == 0 )); then
case "$OPTION" in
Search)
local fp_search_results="/tmp/.dietpi-backup_search_results"
echo -e "\n\nSearching /mnt/* for previous backups, please wait... \n \n"
find /mnt -type f -name "$BACKUP_STATS_FILENAME_SYSTEM" > "$fp_search_results"
#Do we have any results?
if (( $(cat "$fp_search_results" | wc -l) > 0 )); then
readarray search_results_list < "$fp_search_results"
#Create List for Whiptail
local search_results_whiptail=()
for ((i=0; i<${#search_results_list[@]}; i++))
do
local last_backup_date=$( grep 'Completed' ${search_results_list[$i]} | tail -1 | sed 's/.*: //' ) # Date of last backup for this backup
local backup_directory=$( echo -e ${search_results_list[$i]} | sed 's/\/'"$BACKUP_STATS_FILENAME_SYSTEM"'//g' ) # Backup directory (minus the backup file), that we can use for target backup directory.
search_results_whiptail+=("$backup_directory" ": $last_backup_date")
done
OPTION=$(whiptail --title "Backups found." --menu "Please select a previous backup to use:" --cancel-button "Back" --backtitle "$WHIP_BACKTITLE" 12 70 3 "${search_results_whiptail[@]}" 3>&1 1>&2 2>&3)
CHOICE=$?
if (( $CHOICE == 0 )); then
FP_TARGET_BACKUP="$OPTION"
fi
#delete[] array
unset search_results_list
unset search_results_whiptail
rm "$fp_search_results" &> /dev/null
else
whiptail --title "No results" --msgbox "No previous backups were found in /mnt/*" --backtitle "$WHIP_BACKTITLE" 10 60
fi
;;
Manual)
Input_User_Directory
;;
List)
/DietPi/dietpi/dietpi-drive_manager 1
FP_TARGET_BACKUP="$(cat /tmp/dietpi-drive_manager_selmnt)"
if [ "$FP_TARGET_BACKUP" = "/" ]; then
FP_TARGET_BACKUP='/mnt'
fi
FP_TARGET_BACKUP+='/dietpi-backup'
;;
esac
else
#Return to main menu
TARGETMENUID=0
fi
Check_Supported_Directory_Location
# - Not supported, reset directory target to previous
if (( $TARGET_DIRECTORY_SUPPORTED == 0 )); then
FP_TARGET_BACKUP="$current_directory"
fi
}
Input_User_Directory(){
OPTION=$(whiptail --inputbox "Please enter the filepath to your directory. \neg: /mnt/dietpi-backup\n - Must be located inside /mnt/* \n - Must be symlink compatible filesystem (ext2/3/4)" 10 70 "$FP_TARGET_BACKUP" --title "Manual backup directory" --backtitle "$WHIP_BACKTITLE" 3>&1 1>&2 2>&3)
CHOICE=$?
if (( $CHOICE == 0 )); then
FP_TARGET_BACKUP="$OPTION"
fi
}
#/////////////////////////////////////////////////////////////////////////////////////
# Errors
#/////////////////////////////////////////////////////////////////////////////////////
Error_Filesystem_Not_Supported(){
G_DIETPI-NOTIFY 1 "Filesystem not supported in $FP_TARGET_BACKUP"
if (( $G_USER_INPUTS )); then
whiptail --title "Error" --msgbox "$FP_TARGET_BACKUP Has a filesystem of: $TARGET_FILESYSTEM_TYPE, and is not supported.\n\nThe filesystem must be EXT2/3/4 for symlink compatibility." --backtitle "$WHIP_BACKTITLE" 11 70
fi
}
Error_Not_Mnt_Directory(){
G_DIETPI-NOTIFY 1 "Target directory is not inside /mnt ($FP_TARGET_BACKUP)"
if (( $G_USER_INPUTS )); then
whiptail --title "Directory not supported" --msgbox "$FP_TARGET_BACKUP\n\nYour current location is not supported.\nThe location must be inside the /mnt/* directory.\n - eg: /mnt/dietpi-backup" --backtitle "$WHIP_BACKTITLE" 11 70
fi
}
Error_DietpiUserdata_Directory(){
G_DIETPI-NOTIFY 1 "Target directory can not be contained within DietPi user data location ($FP_TARGET_BACKUP)"
if (( $G_USER_INPUTS )); then
whiptail --title "Directory not supported" --msgbox "$FP_TARGET_BACKUP\n\nYour current location is not supported.\nTarget directory can not be contained within DietPi user data location ($G_FP_DIETPI_USERDATA)" --backtitle "$WHIP_BACKTITLE" 13 70
fi
}
Error_Rsync_Already_Running(){
G_DIETPI-NOTIFY 1 "Another Rsync process is already running."
echo -e "$RSYNC_MODE_TEXT failed: $(date +"%d-%m-%Y_%H%M"). Rsync is already running." >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM"
#Menu
if (( $G_USER_INPUTS )); then
whiptail --title "$RSYNC_MODE_TEXT Error" --msgbox "A $RSYNC_MODE_TEXT could not be started as rsync is already running." --backtitle "$WHIP_BACKTITLE" 13 60
fi
}
Error_Rsync_Failed(){
G_DIETPI-NOTIFY 1 "$RSYNC_MODE_TEXT failed."
#Menu
if (( $G_USER_INPUTS )); then
whiptail --title "$RSYNC_MODE_TEXT failed" --msgbox "Your $RSYNC_MODE_TEXT has failed. Please see the Log file for more information:\n\n$LOGFILE" --backtitle "$WHIP_BACKTITLE" 12 60
fi
}
#/////////////////////////////////////////////////////////////////////////////////////
# Backup System
#/////////////////////////////////////////////////////////////////////////////////////
RSYNC_MODE_TEXT=0
BACKUP_MODE=1 #0=system only, 1=full (system and userdata)
#LOGFILE
LOGFILE='/var/log/dietpi-backup.log'
#Backup Filepaths
FP_SOURCE_SYSTEM='/'
FP_TARGET_BACKUP='/mnt/dietpi-backup'
G_FP_DIETPI_USERDATA_ACTUAL="$(readlink -f /mnt/dietpi_userdata)"
#file applied to successful backups (stored in "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM"
BACKUP_STATS_FILENAME_SYSTEM='.dietpi-backup_system_stats'
BACKUP_STATS_FILENAME_USERDATA='.dietpi-backup_userdata_stats'
#Exclude/include file
FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP='/tmp/.dietpi-backup_filter_inc_exc'
FP_EXCLUDE_USER='/DietPi/dietpi/.dietpi-backup_exclude'
FP_INCLUDE_USER='/DietPi/dietpi/.dietpi-backup_include'
#Supported filesystems
TARGET_FILESYSTEM_TYPE=0
TARGET_DIRECTORY_SUPPORTED=0
aSUPPORTED_FILESYSTEMS=(
'ext4'
'ext3'
'ext2'
'nfs'
'nfs4'
'btrfs'
)
#rsync options
RSYNC_RUN_OPTIONS_SYSTEM_BACKUP="-alHpvP --delete --log-file=$LOGFILE --include-from=$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP"
RSYNC_RUN_OPTIONS_USERDATA_BACKUP="-alHpvP --delete --log-file=$LOGFILE"
#Sucessful backup/restore states
BACKUP_RESTORE_FAILED=0
#Date format for logs
Print_Date(){
echo -e "$(date +"%d-%m-%Y %H:%M")"
}
Create_Filter_Include_Exclude(){
#Include
cat << _EOF_ > "$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP"
#INCLUDE
#Global - Folders
#+ /example/
_EOF_
# - Add users additional list
if [ -f "$FP_INCLUDE_USER" ]; then
echo -e "\n#User include file" >> "$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP"
while read -r line
do
echo -e "+ $line" >> "$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP"
done < "$FP_INCLUDE_USER"
fi
#Exclude
cat << _EOF_ >> "$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP"
#EXCLUDE
#Global - Folders
- $FP_TARGET_BACKUP/
- /mnt/
- /media/
- /dev/
- /proc/
- /sys/
- /tmp/
- /run/
#Apt package cache (.deb)
- /var/cache/apt/archives/
#Manpages / Docs
- /usr/share/man/
- /usr/share/doc/
#Global - Files
- $LOGFILE
- $FP_DIETPIBACKUP_SETTINGS
- $BACKUP_STATS_FILENAME_SYSTEM
- $BACKUP_STATS_FILENAME_USERDATA
- /var/swap
- fake-hwclock.data
- *.tmp
#MS Windows specific
- Thumbs.db
- desktop.ini
_EOF_
#Add users additional list
if [ -f "$FP_EXCLUDE_USER" ]; then
echo -e "\n#User exclude file" >> "$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP"
while read -r line
do
echo -e "- $line" >> "$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP"
done < "$FP_EXCLUDE_USER"
fi
#DEBUG
cp "$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP" /tmp/.dietpi-backup_inc_exc_list
}
Services_Stop(){
/DietPi/dietpi/dietpi-services stop
}
Services_Start(){
/DietPi/dietpi/dietpi-services start
}
Run_Backup(){
RSYNC_MODE_TEXT="Backup"
G_DIETPI-NOTIFY 3 DietPi-Backup "$RSYNC_MODE_TEXT"
#Check valid FS
Check_Supported_Directory_Location
#Filesystem supported
if (( $TARGET_DIRECTORY_SUPPORTED == 1 )); then
#Generate target dir.
mkdir -p "$FP_TARGET_BACKUP"
#Error: Unable to create target folder.
if [ ! -d "$FP_TARGET_BACKUP" ]; then
if (( $G_USER_INPUTS )); then
whiptail --title "$RSYNC_MODE_TEXT failed." --msgbox "Unable to create $FP_TARGET_BACKUP" --backtitle "$WHIP_BACKTITLE" 10 60
fi
#Error: Rsync is already running
elif (( $(ps aux | grep -ci -m1 "[r]sync") == 1 )); then
Error_Rsync_Already_Running
else
#Start Backup
echo -e "DietPi-Backup Log File. $(date +"%d-%m-%Y_%H%M")\n\n" > "$LOGFILE"
#Generate Exclude/Include lists
Create_Filter_Include_Exclude
Services_Stop
G_DIETPI-NOTIFY 2 "Backing up to: $FP_TARGET_BACKUP"
BACKUP_RESTORE_FAILED=0
while true
do
# - system
RSYNC_MODE_TEXT='Backup (system)'
rsync $RSYNC_RUN_OPTIONS_SYSTEM_BACKUP "$FP_SOURCE_SYSTEM" "$FP_TARGET_BACKUP"/dietpi-backup_system/
if (( $? == 0 )); then
G_DIETPI-NOTIFY 0 "$RSYNC_MODE_TEXT Completed.\n"
echo -e "$RSYNC_MODE_TEXT Completed : $(Print_Date)" >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM"
else
G_DIETPI-NOTIFY 1 "$RSYNC_MODE_TEXT FAILED.\n"
echo -e "$RSYNC_MODE_TEXT FAILED : $(Print_Date)" >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM"
BACKUP_RESTORE_FAILED=1
break
fi
# - userdata
RSYNC_MODE_TEXT='Backup (user data)'
if (( $BACKUP_MODE == 1 )); then
rsync $RSYNC_RUN_OPTIONS_USERDATA_BACKUP "$G_FP_DIETPI_USERDATA_ACTUAL"/ "$FP_TARGET_BACKUP"/dietpi-backup_userdata/
if (( $? == 0 )); then
G_DIETPI-NOTIFY 0 "$RSYNC_MODE_TEXT Completed.\n"
echo -e "$RSYNC_MODE_TEXT Completed : $(Print_Date)" >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_USERDATA"
else
G_DIETPI-NOTIFY 1 "$RSYNC_MODE_TEXT FAILED.\n"
echo -e "$RSYNC_MODE_TEXT FAILED : $(Print_Date)" >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_USERDATA"
BACKUP_RESTORE_FAILED=1
break
fi
fi
# - done
break
done
if (( $BACKUP_RESTORE_FAILED )); then
Error_Rsync_Failed
else
if (( $G_USER_INPUTS )); then
RSYNC_MODE_TEXT='Backup'
whiptail --title "$RSYNC_MODE_TEXT completed" --msgbox "Your $RSYNC_MODE_TEXT was saved to:\n$FP_TARGET_BACKUP\n\nLog file: $LOGFILE" --backtitle "$WHIP_BACKTITLE" 11 60
fi
fi
Services_Start
#return to main menu
TARGETMENUID=0
fi
fi
}
Run_Restore(){
RSYNC_MODE_TEXT="Restore"
G_DIETPI-NOTIFY 3 DietPi-Backup "$RSYNC_MODE_TEXT"
#Check valid FS
Check_Supported_Directory_Location
#Filesystem supported
if (( $TARGET_DIRECTORY_SUPPORTED == 1 )); then
#Error: Backup not found
if [ ! -f "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM" ]; then
G_DIETPI-NOTIFY 2 "No Backup was found in $FP_TARGET_BACKUP"
G_DIETPI-NOTIFY 1 "$RSYNC_MODE_TEXT Failed.\n"
if (( $G_USER_INPUTS )); then
whiptail --title "$RSYNC_MODE_TEXT failed" --msgbox "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM does not exist\n\nHave you created a backup?" --backtitle "$WHIP_BACKTITLE" 11 70
fi
#Error: Rsync is already running
elif (( $(ps aux | grep -ci -m1 "[r]sync") == 1 )); then
Error_Rsync_Already_Running
#Restore
else
#Generate Exclude/Include lists
Create_Filter_Include_Exclude
Services_Stop
G_DIETPI-NOTIFY 2 "Restoring from: $FP_TARGET_BACKUP"
BACKUP_RESTORE_FAILED=0
while true
do
# - System
RSYNC_MODE_TEXT='Restore (system)'
rsync $RSYNC_RUN_OPTIONS_SYSTEM_BACKUP "$FP_TARGET_BACKUP"/dietpi-backup_system/ "$FP_SOURCE_SYSTEM"
if (( $? == 0 )); then
G_DIETPI-NOTIFY 0 "$RSYNC_MODE_TEXT Completed.\n"
echo -e "$RSYNC_MODE_TEXT Completed : $(Print_Date)" >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM"
else
G_DIETPI-NOTIFY 1 "$RSYNC_MODE_TEXT FAILED.\n"
echo -e "$RSYNC_MODE_TEXT FAILED : $(Print_Date)" >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_SYSTEM"
BACKUP_RESTORE_FAILED=1
break
fi
# - User data
RSYNC_MODE_TEXT='Restore (user data)'
if (( $BACKUP_MODE == 1 )); then
# - Only restore userdata if a backup exists
if [ -f "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_USERDATA" ]; then
rsync $RSYNC_RUN_OPTIONS_USERDATA_BACKUP "$FP_TARGET_BACKUP"/dietpi-backup_userdata/ "$G_FP_DIETPI_USERDATA_ACTUAL"/
if (( $? == 0 )); then
G_DIETPI-NOTIFY 0 "$RSYNC_MODE_TEXT Completed.\n"
echo -e "$RSYNC_MODE_TEXT Completed : $(Print_Date)" >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_USERDATA"
else
G_DIETPI-NOTIFY 1 "$RSYNC_MODE_TEXT FAILED.\n"
echo -e "$RSYNC_MODE_TEXT FAILED : $(Print_Date)" >> "$FP_TARGET_BACKUP/$BACKUP_STATS_FILENAME_USERDATA"
BACKUP_RESTORE_FAILED=1
break
fi
else
G_DIETPI-NOTIFY 2 "$RSYNC_MODE_TEXT: No backup exists, skipping...\n"
fi
fi
# - done
break
done
if (( $BACKUP_RESTORE_FAILED )); then
Error_Rsync_Failed
else
if (( $G_USER_INPUTS )); then
RSYNC_MODE_TEXT='Restore'
whiptail --title "$RSYNC_MODE_TEXT completed" --msgbox "$RSYNC_MODE_TEXT completed from:\n$FP_TARGET_BACKUP\n\nLog file: $LOGFILE\n\nA Reboot is required." --backtitle "$WHIP_BACKTITLE" 13 60
fi
fi
Services_Start
#return to main menu
TARGETMENUID=0
fi
fi
}
Check_Install_PreReqs(){
G_AG_CHECK_INSTALL_PREREQ rsync
}
Check_Supported_Directory_Location(){
TARGET_DIRECTORY_SUPPORTED=0
#Disallow dietpi_userdata location, due to includes in that location
if [[ "$FP_TARGET_BACKUP" == "$G_FP_DIETPI_USERDATA"* ]] || [[ "$FP_TARGET_BACKUP" == "$G_FP_DIETPI_USERDATA_ACTUAL"* ]] ; then
Error_DietpiUserdata_Directory
#Check location contains /mnt/
elif [[ "$FP_TARGET_BACKUP" == "/mnt/"* ]]; then
#Generate the target directory if it doesnt exist. So we can check what filesystem it will be.
local directory_generated=0
if [ ! -d "$FP_TARGET_BACKUP" ]; then
mkdir -p "$FP_TARGET_BACKUP"
directory_generated=1
fi
TARGET_FILESYSTEM_TYPE="$( df -T $FP_TARGET_BACKUP | sed -n '2p' | awk '{print $2}')"
for ((i=0; i<${#aSUPPORTED_FILESYSTEMS[@]}; i++))
do
if [ "$TARGET_FILESYSTEM_TYPE" = "${aSUPPORTED_FILESYSTEMS[$i]}" ]; then
TARGET_DIRECTORY_SUPPORTED=1
break
fi
done
#Delete directory if tested
if (( $directory_generated == 1 )); then
rm -R "$FP_TARGET_BACKUP"
fi
#Not ext2/3/4
if (( $TARGET_DIRECTORY_SUPPORTED == 0 )); then
Error_Filesystem_Not_Supported
fi
#Not inside /mnt
else
Error_Not_Mnt_Directory
fi
}
#/////////////////////////////////////////////////////////////////////////////////////
# Settings File
#/////////////////////////////////////////////////////////////////////////////////////
#Settings File
FP_DIETPIBACKUP_SETTINGS="/DietPi/dietpi/.dietpi-backup_settings"
Write_Settings_File(){
cat << _EOF_ > "$FP_DIETPIBACKUP_SETTINGS"
FP_TARGET_BACKUP=$FP_TARGET_BACKUP
BACKUP_MODE=$BACKUP_MODE
_EOF_
}
Read_Settings_File(){
if [ -f "$FP_DIETPIBACKUP_SETTINGS" ]; then
. "$FP_DIETPIBACKUP_SETTINGS"
fi
}
#/////////////////////////////////////////////////////////////////////////////////////
# Main Loop
#/////////////////////////////////////////////////////////////////////////////////////
#pre-reqs, install if required.
Check_Install_PreReqs
#Read settings file
Read_Settings_File
# $2 Optional directory input.
if [ -n "$2" ]; then
FP_TARGET_BACKUP=$2
fi
#-----------------------------------------------------------------------------
#Run Backup
if (( $INPUT == 1 )); then
Run_Backup
#Run Restore
elif (( $INPUT == -1 )); then
Run_Restore
#-----------------------------------------------------------------------------
#Run menu
elif (( $INPUT == 0 )); then
while (( $TARGETMENUID > -1 )); do
clear
if (( $TARGETMENUID == 0 )); then
Menu_Main
elif (( $TARGETMENUID == 1 )); then
Menu_Set_Directory
fi
done
#Save settings
Write_Settings_File
fi
#-----------------------------------------------------------------------------------
#Cleaup left over tmp files
rm "$FP_FILTER_INCLUDE_EXCLUDE_SYSTEM_BACKUP" &> /dev/null
#-----------------------------------------------------------------------------------
#delete[] array
unset aSUPPORTED_FILESYSTEMS
#-----------------------------------------------------------------------------------
exit 0
#-----------------------------------------------------------------------------------
}