#!/bin/bash
do {
	#////////////////////////////////////
	# DietPi Sync
	#
	#////////////////////////////////////
	# Created by Daniel Knight / daniel.knight@dietpi.com / dietpi.com
	#
	#////////////////////////////////////
	#
	# Info:
	# - filename /DietPi/dietpi/dietpi-sync
	# - Allows user to sync a Source and Target directory.
	#
	# Usage:
	# - /DietPi/dietpi/dietpi-sync  0 = Menu
	# - /DietPi/dietpi/dietpi-sync  1 = Sync
	#////////////////////////////////////

	#Grab Input (valid interger)
	setglobal INPUT = '0'
	if [[ $1 =~ ^-?[0-9]+$ ]] {
		setglobal INPUT = $1
	}

	#Import DietPi-Globals ---------------------------------------------------------------
	source /DietPi/dietpi/func/dietpi-globals
	G_CHECK_ROOT_USER
	G_CHECK_ROOTFS_RW
	export G_PROGRAM_NAME='DietPi-Sync'
	#Import DietPi-Globals ---------------------------------------------------------------

	#/////////////////////////////////////////////////////////////////////////////////////
	# MENUS
	#/////////////////////////////////////////////////////////////////////////////////////
	setglobal WHIP_BACKTITLE = ''DietPi-Sync''
	setglobal WHIP_TITLE = ''''
	setglobal CHOICE = '0'
	setglobal OPTION = '0'
	setglobal TARGETMENUID = '0'

	setglobal FTP_MOUNT_AVAILABLE = '0'
	setglobal FTP_MOUNT_TEXT = ''Not available''
	setglobal SAMBA_MOUNT_AVAILABLE = '0'
	setglobal SAMBA_MOUNT_TEXT = ''Not available''

	setglobal SYNC_DRY_RUN = '0'

	setglobal SYNC_MODE_TEXT = ''Disabled''
	setglobal SYNC_COMPRESSION_TEXT = ''Disabled''
	setglobal SYNC_CRONDAILY_TEXT = ''Disabled''

	#TARGETMENUID=0
	proc Menu_Main{

		setglobal SYNC_MODE_TEXT = ''Disabled''
		if sh-expr ' $SYNC_DELETE_MODE == 1 ' {

			setglobal SYNC_MODE_TEXT = ''Enabled''

		}

		setglobal SYNC_COMPRESSION_TEXT = ''Disabled''
		if sh-expr ' $SYNC_COMPRESSION == 1 ' {

			setglobal SYNC_COMPRESSION_TEXT = ''Enabled''

		}

		setglobal SYNC_CRONDAILY_TEXT = ''Disabled''
		if sh-expr ' $SYNC_CRONDAILY == 1 ' {

			setglobal SYNC_CRONDAILY_TEXT = ''Enabled''

		}

		var sync_last_completed = ''No previous sync found in target directory.''
		if test -f "$FP_TARGET/$SYNC_STATS_FILENAME" {

			set sync_last_completed = $[grep '^Sync completed' "$FP_TARGET/$SYNC_STATS_FILENAME" | tail -1 | awk '{print $3}]

		}

		setglobal WHIP_TITLE = ''DietPi-Sync''
		setglobal OPTION = $[whiptail --title $WHIP_TITLE --menu "Source location:\n  $FP_SOURCE\n\nTarget location:\n  $FP_TARGET\n\nMost recent successful sync date:\n  $sync_last_completed" --cancel-button "Exit" --backtitle $WHIP_BACKTITLE 23 73 8 \
		"Help" "What does DietPi-Sync do?" \
		"Source Location" "Change the Source directory." \
		"Target Location" "Change the Target directory." \
		"Delete Mode" $SYNC_MODE_TEXT \
		"Compression" $SYNC_COMPRESSION_TEXT \
		"Sync: Daily" $SYNC_CRONDAILY_TEXT \
		"Sync: Dry Run" "Run a test Sync without modifying any data." \
		"Sync: Now" "Sync the Source location to the Target location." !3 > !1 !1 > !2 !2 > !3]

		setglobal CHOICE = $Status
		if sh-expr ' $CHOICE == 0 ' {

			match $OPTION {
				with "Source Location"

					setglobal TARGETMENUID = '2'

				

				with "Target Location"

					setglobal TARGETMENUID = '1'

				

				with Help

					whiptail --title "DietPi-Sync Help" --msgbox "DietPi-Sync is a program that allows you to duplicate a directory from one location (Source) to another (Target).\n\nFor example: If we want to duplicate (sync) the data on our external USB HDD to another location, we simply select the USB HDD as the source, then, select a target location. The target location can be anything from a networked samba fileserver, or even a FTP server.\n\nIf you would like to test a sync without modifiying any data, simply select Dry Run.\n\nMore information:\n - http://dietpi.com/phpbb/viewtopic.php?f=8&t=5&p=256#p256" --backtitle $WHIP_BACKTITLE 19 75

				

				with "Delete Mode"

					setglobal TARGETMENUID = '3'

				

				with Compression

					setglobal TARGETMENUID = '4'

				

				with "Sync: Daily"

					setglobal TARGETMENUID = '5'

				

				with "Sync: Dry Run"

					setglobal WHIP_TITLE = '' Test Dry Run Sync? ''
					whiptail --title $WHIP_TITLE --yesno "Source location:\n$FP_SOURCE/*\n\nTarget location:\n$FP_TARGET/*\n\nThis is a Dry Run for testing. No data will be modified.\n\nDo you wish to continue?" --yes-button "Ok" --no-button "Back" --defaultno --backtitle $WHIP_BACKTITLE 16 72
					setglobal CHOICE = $Status
					if sh-expr ' $CHOICE == 0 ' {

						setglobal SYNC_DRY_RUN = '1'
						Run_Sync

					}

				

				with "Sync: Now"

					setglobal WHIP_TITLE = '' Start Sync? ''
					whiptail --title $WHIP_TITLE --yesno "Source location:\n$FP_SOURCE/*\n\nTarget location:\n$FP_TARGET/*\n\nA copy of all the files and folders inside your Source location, will be created at the Target location.\n\nDo you wish to continue?" --yes-button "Ok" --no-button "Back" --defaultno --backtitle $WHIP_BACKTITLE 16 72
					setglobal CHOICE = $Status
					if sh-expr ' $CHOICE == 0 ' {

						setglobal SYNC_DRY_RUN = '0'
						Run_Sync

					}

				

			}

		} else {

			Menu_Exit

		}

	}

	proc Menu_Exit{

		setglobal WHIP_TITLE = '' Exit DietPi-Sync? ''
		whiptail --title $WHIP_TITLE --yesno $WHIP_TITLE --yes-button "Ok" --no-button "Back" --defaultno --backtitle $WHIP_BACKTITLE 10 50
		setglobal CHOICE = $Status

		#Exit
		if sh-expr ' $CHOICE == 0 ' {

			setglobal TARGETMENUID = '-1'

		}

	}

	#TARGETMENUID=1 && TARGETMENUID=2
	proc Menu_Set_Directories{

		#TARGETMENUID
		#2=Source | 1=Target

		var current_directory = $FP_TARGET
		var current_mode_text = '"Target'"
		var whip_description_text = ""Please select the $current_mode_text location.\nA copy of all the files and folders in the Source location will be created here.\n\nCurrent Target location:\n$FP_TARGET""
		setglobal WHIP_TITLE = ''Select your Sync Target location''
		if sh-expr ' $TARGETMENUID == 2 ' {

			set current_directory = $FP_SOURCE
			set current_mode_text = '"Source'"
			set whip_description_text = ""Please select the $current_mode_text location.\nA copy of all the files and folder in this Source location, will be created at the Target location.\n\nCurrent Source location:\n$FP_SOURCE""
			setglobal WHIP_TITLE = ''Select your Sync Source location''

		}

		Check_Available_DietPi_Mounts

		setglobal OPTION = $[whiptail --title $WHIP_TITLE --menu $whip_description_text --cancel-button "Back" --backtitle $WHIP_BACKTITLE 17 75 4 \
		"Manual" "Manually type your $current_mode_text directory." \
		"List" "Select from a list of available mounts/drives" \
		"Samba Client" $SAMBA_MOUNT_TEXT \
		"FTP Client" $FTP_MOUNT_TEXT !3 > !1 !1 > !2 !2 > !3]
		setglobal CHOICE = $Status

		if sh-expr ' $CHOICE == 0 ' {

			match $OPTION {

				with List

					/DietPi/dietpi/dietpi-drive_manager 1

					var return_value = $[cat /tmp/dietpi-drive_manager_selmnt]
					if test $return_value = "/" {

						set return_value = ''/mnt''

					}

					if sh-expr ' $TARGETMENUID == 2 ' {

						setglobal FP_SOURCE = $return_value

					} else {

						setglobal FP_TARGET = ""$return_value/dietpi-sync""

					}

				

				with Manual
					Input_User_Directory
				
				with "Samba Client"
					if sh-expr ' $SAMBA_MOUNT_AVAILABLE == 1 ' {

						if sh-expr ' $TARGETMENUID == 2 ' {

							setglobal FP_SOURCE = $FP_SAMBA_MOUNT

						} else {

							setglobal FP_TARGET = ""$FP_SAMBA_MOUNT/dietpi-sync""

						}

					} else {

						Prompt_Setup_Samba_Mount
						if sh-expr ' $TARGETMENUID == 2 ' {

							setglobal FP_SOURCE = $current_directory

						} else {

							setglobal FP_TARGET = $current_directory

						}

					}

				

				with "FTP Client"
					if sh-expr ' $FTP_MOUNT_AVAILABLE == 1 ' {

						if sh-expr ' $TARGETMENUID == 2 ' {

							setglobal FP_SOURCE = $FP_FTP_MOUNT

						} else {

							setglobal FP_TARGET = ""$FP_FTP_MOUNT/dietpi-sync""

						}

					} else {

						Prompt_Setup_FTP_Mount
						if sh-expr ' $TARGETMENUID == 2 ' {

							setglobal FP_SOURCE = $current_directory

						} else {

							setglobal FP_TARGET = $current_directory

						}

					}

				

			}

		} else {

			#Return to main menu
			setglobal TARGETMENUID = '0'

		}

	}

	#TARGETMENUID=3
	proc Menu_Set_Sync_Delete_Mode{

		setglobal WHIP_TITLE = '' Sync Delete Mode ''
		setglobal OPTION = $[whiptail --title $WHIP_TITLE --menu "Please select the Sync delete mode.\n\nDisabled: (safe)\nIf files and folders exist in the Target location, that are not in the Source, they will be left alone.\n\nEnabled: (WARNING, if in doubt, DO NOT enable)\nAn exact copy of the Source location will be created at the Target location. If files are in the Target location that dont exist in the Source, they will be DELETED." --cancel-button "Back" --default-item $SYNC_MODE_TEXT --backtitle $WHIP_BACKTITLE 19 75 2 \
		"Disabled" "Ignores data that exists at Target Location and not Source." \
		"Enabled" "Deletes data at Target location if not in Source Location." !3 > !1 !1 > !2 !2 > !3]
		setglobal CHOICE = $Status

		if sh-expr ' $CHOICE == 0 ' {

			match $OPTION {

				with Disabled

					setglobal SYNC_DELETE_MODE = '0'

				

				with Enabled

					setglobal SYNC_DELETE_MODE = '1'

				

			}

		}

		#Return to main menu
		setglobal TARGETMENUID = '0'

	}

	#TARGETMENUID=4
	proc Menu_Set_Compression{

		setglobal WHIP_TITLE = '' Sync Compression Mode ''
		setglobal OPTION = $[whiptail --title $WHIP_TITLE --menu "Please select the compression mode.\n\nDisabled:\nNo compression will be used during data transfer.\n\nEnabled:\nData will be compressed when its being transfered. Useful for slow connections, however, its CPU intensive." --cancel-button "Back" --default-item $SYNC_COMPRESSION_TEXT --backtitle $WHIP_BACKTITLE 17 75 2 \
		"Disabled" "Transfer data in its original state." \
		"Enabled" "Compress the data during transfer." !3 > !1 !1 > !2 !2 > !3]
		setglobal CHOICE = $Status

		if sh-expr ' $CHOICE == 0 ' {

			match $OPTION {

				with Disabled

					setglobal SYNC_COMPRESSION = '0'

				

				with Enabled

					setglobal SYNC_COMPRESSION = '1'

				

			}

		}

		#Return to main menu
		setglobal TARGETMENUID = '0'

	}

	#TARGETMENUID=5
	proc Menu_Set_CronDaily{

		setglobal WHIP_TITLE = '' Sync Cron Daily ''
		setglobal OPTION = $[whiptail --title $WHIP_TITLE --menu "Disabled:\nThe user must manually sync using dietpi-sync.\n\nEnabled:\nA cron job will be created that automatically runs dietpi-sync, once a day.\n\n(NOTICE):\nBefore enabling this feature, please run a test sync (Dry Run) to verify what will happen." --cancel-button "Back" --default-item $SYNC_CRONDAILY_TEXT --backtitle $WHIP_BACKTITLE 19 75 2 \
		"Disabled" "Manual sync." \
		"Enabled" "Automatically sync once a day." !3 > !1 !1 > !2 !2 > !3]
		setglobal CHOICE = $Status

		if sh-expr ' $CHOICE == 0 ' {

			match $OPTION {

				with Disabled

					setglobal SYNC_CRONDAILY = '0'

				

				with Enabled

					setglobal SYNC_CRONDAILY = '1'

				

			}

		}

		#Return to main menu
		setglobal TARGETMENUID = '0'

	}

	proc Input_User_Directory{

		#TARGETMENUID
		#2=Source | 1=Target

		#Target
		if sh-expr ' $TARGETMENUID == 1 ' {

			setglobal OPTION = $[whiptail --inputbox "Please enter the filepath to your Target directory. \neg: /mnt/target" 8 70 $FP_TARGET --title "Manual sync directory" --backtitle $WHIP_BACKTITLE !3 > !1 !1 > !2 !2 > !3]
			setglobal CHOICE = $Status
			if sh-expr ' $CHOICE == 0 ' {

				setglobal FP_TARGET = $OPTION

			}

		#Source
		} elif sh-expr ' $TARGETMENUID == 2 ' {

			setglobal OPTION = $[whiptail --inputbox "Please enter the filepath to your Source directory. \neg: /mnt/source" 8 70 $FP_SOURCE --title "Manual sync directory" --backtitle $WHIP_BACKTITLE !3 > !1 !1 > !2 !2 > !3]
			setglobal CHOICE = $Status
			if sh-expr ' $CHOICE == 0 ' {

				setglobal FP_SOURCE = $OPTION

			}

		}

	}

	proc Prompt_Setup_Samba_Mount{

		whiptail --title "Not available. Setup Now?" --yesno "$SAMBA_MOUNT_TEXT\n\nWould you like to run DietPi-Config and setup your Samba Client Mount now?" --yes-button "Ok" --no-button "Back" --defaultno --backtitle $WHIP_BACKTITLE 11 70
		setglobal CHOICE = $Status
		if sh-expr ' $CHOICE == 0 ' {

			#Run configure
			/DietPi/dietpi/dietpi-config 16 1

		}

	}

	proc Prompt_Setup_FTP_Mount{

		whiptail --title "Not available. Setup Now?" --yesno "$FTP_MOUNT_TEXT\n\nWould you like to run DietPi-Config and setup your FTP Client Mount now?" --yes-button "Ok" --no-button "Back" --defaultno --backtitle $WHIP_BACKTITLE 11 70
		setglobal CHOICE = $Status
		if sh-expr ' $CHOICE == 0 ' {

			#Run configure
			/DietPi/dietpi/dietpi-config 16 1

		}

	}

	#/////////////////////////////////////////////////////////////////////////////////////
	# Sync System
	#/////////////////////////////////////////////////////////////////////////////////////
	#LOGFILE
	setglobal LOGFILE = ''/var/log/dietpi-sync.log''

	#Sync Filepaths
	setglobal FP_SOURCE = ''/mnt/Source''
	setglobal FP_TARGET = ''/mnt/Target''

	#DietPi Mounts
	setglobal FP_FTP_MOUNT = ''/mnt/ftp_client''
	setglobal FP_SAMBA_MOUNT = ''/mnt/samba''

	#file applied to successful Sync (stored in $FP_TARGET/$SYNC_STATS_FILENAME)
	setglobal SYNC_STATS_FILENAME = ''.dietpi-sync_stats''

	#Exclude/include file
	setglobal FP_EXCLUDE_GLOBAL = ''/tmp/.dietpi-sync_exclude''
	setglobal FP_INCLUDE_GLOBAL = ''/tmp/.dietpi-sync_include''
	setglobal FP_EXCLUDE_USER = ''/DietPi/dietpi/.dietpi-sync_exclude''
	setglobal FP_INCLUDE_USER = ''/DietPi/dietpi/.dietpi-sync_include''

	#Extra options
	setglobal SYNC_DELETE_MODE = '0'
	setglobal SYNC_COMPRESSION = '0'
	setglobal SYNC_CRONDAILY = '0'


	proc Create_Exclude_File{

		#Generate new
		rm $FP_EXCLUDE_GLOBAL &> /dev/null

		#Global - Folders
		echo -e $FP_TARGET >> $FP_EXCLUDE_GLOBAL
		echo -e "/boot/dietpi/*" >> $FP_EXCLUDE_GLOBAL
		echo -e "/DietPi/*" >> $FP_EXCLUDE_GLOBAL
		echo -e "/dev/*" >> $FP_EXCLUDE_GLOBAL
		echo -e "/proc/*" >> $FP_EXCLUDE_GLOBAL
		echo -e "/sys/*" >> $FP_EXCLUDE_GLOBAL
		echo -e "/tmp/*" >> $FP_EXCLUDE_GLOBAL
		echo -e "/run/*" >> $FP_EXCLUDE_GLOBAL

		#Global - Files
		echo -e $LOGFILE >> $FP_EXCLUDE_GLOBAL
		echo -e $FP_DIETPISYNC_SETTINGS >> $FP_EXCLUDE_GLOBAL
		echo -e $FP_EXCLUDE_USER >> $FP_EXCLUDE_GLOBAL
		echo -e $FP_INCLUDE_USER >> $FP_EXCLUDE_GLOBAL
		echo -e $SYNC_STATS_FILENAME >> $FP_EXCLUDE_GLOBAL
		echo -e "/var/swap" >> $FP_EXCLUDE_GLOBAL
		echo -e "*.tmp" >> $FP_EXCLUDE_GLOBAL
		# - MS Windows specific
		echo -e "Thumbs.db" >> $FP_EXCLUDE_GLOBAL
		echo -e "desktop.ini" >> $FP_EXCLUDE_GLOBAL
		echo -e "SyncToy*" >> $FP_EXCLUDE_GLOBAL # MS SyncToy
		echo -e "System Volume Information" >> $FP_EXCLUDE_GLOBAL #  - causes error code 23 (permission denied)

		#Add users additional list
		if test -f $FP_EXCLUDE_USER {

			cat $FP_EXCLUDE_USER >> $FP_EXCLUDE_GLOBAL

		}

	}

	proc Create_Include_File{

		#Generate new
		rm $FP_INCLUDE_GLOBAL &> /dev/null

		#Global - Folders
		echo -e "" > $FP_INCLUDE_GLOBAL

		#Global - Files

		#Add users additional list
		if test -f $FP_INCLUDE_USER {

			cat $FP_INCLUDE_USER >> $FP_INCLUDE_GLOBAL

		}

	}

	proc Services_Stop{
		/DietPi/dietpi/dietpi-services stop
	}

	proc Services_Start{
		/DietPi/dietpi/dietpi-services start
	}

	proc Banner_Start{

		var mode = ''Sync''
		#Dry Run?
		if sh-expr ' $SYNC_DRY_RUN == 1 ' {

			set mode = ''Dry Run''

		}

		G_DIETPI-NOTIFY 3 DietPi-Sync $mode

	}


	proc Run_Sync{

		Banner_Start

		#Generate Target dir.
		mkdir -p $FP_TARGET

		#Error: Folder not found
		if test ! -d $FP_TARGET {

			if sh-expr ' $G_USER_INPUTS ' {

				whiptail --title "Sync failed." --msgbox "Unable to create Target directory $FP_TARGET" --backtitle $WHIP_BACKTITLE 10 60

			}

		#Error: Rsync is already running
		} elif sh-expr ' $(ps aux | grep -ci -m1 "[r]sync") == 1 ' {

			echo -e "Sync failed: $[date +"%d-%m-%Y_%H%M]. Rsync is already running." >> "$FP_TARGET/$SYNC_STATS_FILENAME"

			#Menu
			if sh-expr ' $G_USER_INPUTS ' {

				whiptail --title "Sync Error" --msgbox "A sync job could not be started as rsync is already running." --backtitle $WHIP_BACKTITLE 13 60

			}

		#Start sync
		} else {

			#Generate Exclude/Include lists
			Create_Exclude_File
			Create_Include_File

			#Archive mode
			var rync_options = '"-a'"
			#verbose
			set rync_options = '"v'"
			#Keep partial files + Progress. (eg: if file is interupted, it will resume where it left off, rather than resending the whole file.
			set rync_options = '"P'"
			#Prefer IPv4
			set rync_options = '"4'"

			#Compression?
			if sh-expr ' $SYNC_COMPRESSION == 1 ' {

				set rync_options = '"z'"

			}

			#Dry Run?
			if sh-expr ' $SYNC_DRY_RUN == 1 ' {

				set rync_options = '"n'"

			}

			#Delete mode?
			if sh-expr ' $SYNC_DELETE_MODE == 1 ' {

				set rync_options = '" --delete'"

			}

			#Write new logfile
			echo -e "DietPi-Sync Log File.\n$[date +%d-%m-%Y_%H%M]\nSYNC_DRY_RUN=$SYNC_DRY_RUN\n\n" > $LOGFILE

			#Services_Stop

			#Sync
			rsync $rync_options --log-file=$LOGFILE --exclude-from="$FP_EXCLUDE_GLOBAL" --include-from="$FP_INCLUDE_GLOBAL" "$FP_SOURCE"/ "$FP_TARGET"/

			#Services_Start

			#Success
			if sh-expr ' $? == 0 ' {

				echo -e "Sync completed: $[date +"%d-%m-%Y_%H%M]" >> "$FP_TARGET/$SYNC_STATS_FILENAME"

				#Menu
				if sh-expr ' $G_USER_INPUTS ' {

					if sh-expr ' $SYNC_DRY_RUN == 0 ' {

						whiptail --title "Sync completed" --msgbox "$FP_SOURCE\n\nHas been synced to:\n$FP_TARGET\n\nLog file: $LOGFILE" --backtitle $WHIP_BACKTITLE 13 60

					} else {

						whiptail --title "Dry Run Sync completed" --msgbox "$FP_SOURCE\n\nHas been synced with a Dry Run (NO modifications) to:\n$FP_TARGET\n\nLog file: $LOGFILE" --backtitle $WHIP_BACKTITLE 13 60

					}

				}

			#Failed
			} else {

				echo -e "Sync failed: $[date +"%d-%m-%Y_%H%M]" >> "$FP_TARGET/$SYNC_STATS_FILENAME"

				#Menu
				if sh-expr ' $G_USER_INPUTS ' {

					if sh-expr ' $SYNC_DRY_RUN == 0 ' {

						whiptail --title "Sync failed" --msgbox "Your sync has failed. Please see the Log file for more information:\n\n$LOGFILE" --backtitle $WHIP_BACKTITLE 13 60

					} else {

						whiptail --title "Dry Run Sync failed" --msgbox "Your sync has failed. Please see the Log file for more information:\n\n$LOGFILE" --backtitle $WHIP_BACKTITLE 13 60

					}

				}
			}

			#return to main menu
			setglobal TARGETMENUID = '0'

		}

	}

	proc Check_Install_PreReqs{

		G_AG_CHECK_INSTALL_PREREQ rsync

	}

	proc Check_Available_DietPi_Mounts{

		var temp_file_mounts = '"/tmp/.dietpi-sync_dietpi_mounts'"
		df -h > $temp_file_mounts

		#Samba Client
		setglobal SAMBA_MOUNT_AVAILABLE = '0'
		setglobal SAMBA_MOUNT_TEXT = ""Not mounted ($FP_SAMBA_MOUNT). Select to setup.""
		if sh-expr ' $(cat "$temp_file_mounts" | grep -ci -m1 "/mnt/samba") == 1 ' {

			setglobal SAMBA_MOUNT_AVAILABLE = '1'
			setglobal SAMBA_MOUNT_TEXT = ""Size: $[df -h | grep /mnt/samba | awk '{print $2}]B | Available: $[df -h | grep /mnt/samba | awk '{print $4}]B""

		}

		#FTP Client
		setglobal FTP_MOUNT_AVAILABLE = '0'
		setglobal FTP_MOUNT_TEXT = ""Not mounted ($FP_FTP_MOUNT). Select to setup.""
		if sh-expr ' $(cat "$temp_file_mounts" | grep -ci -m1 "/mnt/ftp_client") == 1 ' {

			setglobal FTP_MOUNT_AVAILABLE = '1'
			setglobal FTP_MOUNT_TEXT = '"Mounted and online.'"

		}

		rm $temp_file_mounts

	}

	#/////////////////////////////////////////////////////////////////////////////////////
	# Settings File
	#/////////////////////////////////////////////////////////////////////////////////////
	#Settings File
	setglobal FP_DIETPISYNC_SETTINGS = '"/DietPi/dietpi/.dietpi-sync_settings'"

	proc Write_Settings_File{

		rm $FP_DIETPISYNC_SETTINGS &> /dev/null

		echo -e $FP_SOURCE >> $FP_DIETPISYNC_SETTINGS
		echo -e $FP_TARGET >> $FP_DIETPISYNC_SETTINGS
		echo -e $SYNC_DELETE_MODE >> $FP_DIETPISYNC_SETTINGS
		echo -e $SYNC_COMPRESSION >> $FP_DIETPISYNC_SETTINGS
		echo -e $SYNC_CRONDAILY >> $FP_DIETPISYNC_SETTINGS

	}

	proc Read_Settings_File{

		if test -f $FP_DIETPISYNC_SETTINGS {

			var sed_index = '1'
			setglobal FP_SOURCE = $[sed -n "$sed_index"p $FP_DIETPISYNC_SETTINGS];sh-expr 'sed_index++'
			setglobal FP_TARGET = $[sed -n "$sed_index"p $FP_DIETPISYNC_SETTINGS];sh-expr 'sed_index++'
			setglobal SYNC_DELETE_MODE = $[sed -n "$sed_index"p $FP_DIETPISYNC_SETTINGS];sh-expr 'sed_index++'
			setglobal SYNC_COMPRESSION = $[sed -n "$sed_index"p $FP_DIETPISYNC_SETTINGS];sh-expr 'sed_index++'
			setglobal SYNC_CRONDAILY = $[sed -n "$sed_index"p $FP_DIETPISYNC_SETTINGS];sh-expr 'sed_index++'

		}

	}

	#/////////////////////////////////////////////////////////////////////////////////////
	# Main Loop
	#/////////////////////////////////////////////////////////////////////////////////////

	#pre-reqs, install if required.
	Check_Install_PreReqs

	#Read settings file
	Read_Settings_File

	#-----------------------------------------------------------------------------
	#Run Sync
	if sh-expr ' $INPUT == 1 ' {

		Run_Sync

	#-----------------------------------------------------------------------------
	#Run menu
	} elif sh-expr ' $INPUT == 0 ' {

		while sh-expr ' $TARGETMENUID > -1 ' {

			clear

			if sh-expr ' $TARGETMENUID == 0 ' {

				Menu_Main

			} elif sh-expr ' $TARGETMENUID == 1 ' ||
				sh-expr ' $TARGETMENUID == 2 ' {

				Menu_Set_Directories

			} elif sh-expr ' $TARGETMENUID == 3 ' {

				Menu_Set_Sync_Delete_Mode

			} elif sh-expr ' $TARGETMENUID == 4 ' {

				Menu_Set_Compression

			} elif sh-expr ' $TARGETMENUID == 5 ' {

				Menu_Set_CronDaily

			}

		}

		#Save settings
		Write_Settings_File

	}

	#-----------------------------------------------------------------------------------
	#Cleaup left over tmp files
	rm $FP_INCLUDE_GLOBAL &> /dev/null
	rm $FP_EXCLUDE_GLOBAL &> /dev/null
	#-----------------------------------------------------------------------------------
	exit 0
	#-----------------------------------------------------------------------------------

}