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#!/bin/bash
#***********************************************#
# Gui tool to create backups of FOSSEE laptop #
# to external storage media. #
# #
#***********************************************#
# functions()
# ###########
# ------------------------------------------------------------#
# selection_menu() #
# shows the menu with two options. #
# Parameter: $1(title) $2(option1) $3(option2) #
# change the value of $result to 1 or 2 according to option #
# selected. #
# ------------------------------------------------------------#
selection_menu() {
choice="$(zenity --width=600 --height=200 --list --radiolist --title="$1" --text "<b>Choose :</b> " --hide-header --column "selection" --column "options" FALSE "$2" FALSE "$3")"
case "${choice}" in
$2 )
result="1" # if option1 is selected.
;;
$3 )
result="2" # if option2 is selected.
;;
esac
}
# ------------------------------------------------------------#
# sudoAccess() get the sudo password from user via zenity #
# window and stores in a global variable ($password). #
# ------------------------------------------------------------#
sudoAccess() {
# Remove any previous sudo passwords
sudo -K
# In case of wrong password, else condition will fail(return 1)
# and executes from beginning
while true
do
# Get password from user
password=$(zenity --title "Enter your password to continue" --password)
# zenity dialog button 'Cancel' returns 1, and 'Yes' returns 0.
# Check for zenity 'Cancel' option
if [ $? -eq 1 ]
then
exit 0
else
# sending user entered password to 'echo' command to verify
# password, if wrong it will repeat from beginning
echo $password | sudo -S echo "test">/dev/null
if [ $? -eq 0 ]
then
break
fi
fi
done
}
# ------------------------------------------------------------#
# removeSDCARD() Prompt a dialog box asking user to remove #
# all the external media and after that stores the size of #
# disk without media on $sizeofDiskBeforeSDCARD #
# ------------------------------------------------------------#
removeSDCARD() {
# The dialog box below will ask user to remove drive(sdcard)
zenity --question --title "Remove media" \
--text "Please remove your sdcard if connected,
then press YES to continue"
# Checking the return value of zenity dialog, same as previous function
if [ $? -eq 1 ]
then
exit 0
else
# This will return size of disk without our media
umount /media/$USER/* # to unmount all external media.
sizeofDiskBeforeSDCARD=$(echo $password | sudo -S sfdisk -s\
| tail -1 | awk '{print $2}')
fi
}
# ------------------------------------------------------------#
# insertSDCARD() Prompt a dialog box asking user to connect #
# the required media & stores the size of disk after inserting#
# the media on $sizeofDiskAfterSDCARD. #
# ------------------------------------------------------------#
insertSDCARD() {
# The dialog box below will ask user to insert sdcard
zenity --question --title "Insert media" --text "Now please insert your sdcard back,\
then press YES to continue"
# Checking the button selected in zenity dialog
if [ $? -eq 1 ]
then
exit 0
else
# sfdisk prints the total disk space in KB
sizeofDiskAfterSDCARD=$(echo $password | sudo -S sfdisk -s\
| tail -1 | awk '{print $2}')
fi
}
# ------------------------------------------------------------#
# SizeofSDCARD() Prompt a dialog box showing the size of #
# detected media in GB. After calculating difference of #
# sizeofDiskBeforeSDCARD and sizeofDiskAfterSDCARD #
# ------------------------------------------------------------#
SizeofSDCARD() {
# verifying new device by finding difference in size
# before and after insertion
sizeSDCARDKbytes=$(($sizeofDiskAfterSDCARD - $sizeofDiskBeforeSDCARD))
# Converting into GB first
sizeSDCARD=$(echo "scale=2;$sizeSDCARDKbytes/1048576" | bc)
# Converting sizeSDCARD to integer, so as to use in conditional statement,
# if any card is detected it will go inside 'else' statement
if [ $(echo $sizeSDCARD |cut -f 1 -d '.') -le 0 ]
then
zenity --info --title "Info" --text "No media found, please check and restart application"
exit 0
else
zenity --question --title "Info" --text "A device of $sizeSDCARD GB is detected, the size will be less \
than actual size of your device. Would you like to continue? \
Press 'YES' to continue or 'NO' to quit !"
# If 'NO' is selected in zenity dialog then exit
if [ $? -eq 1 ]
then
exit 0
fi
fi
}
# ------------------------------------------------------------#
# formatforIncremental() unmount the mounted partitions, #
# create new partition table format 1st partition to vfat, #
# 2nd to ext4 and mount under /mnt #
# ------------------------------------------------------------#
formatforIncremental() {
source easybashgui
wait_for "Formating SDcard...";
umount /media/$USER/*
echo $password |sudo -S mkdir -p /mnt/boot /mnt/rootfs
echo -e "o\nn\np\n1\n\n+100M\nn\np\n2\n\n\nw"|sudo fdisk /dev/$dev_name # delete old partition table and creating new
sudo mkfs.vfat /dev/$dev_name*1
sudo mkfs -t ext4 /dev/$dev_name*2
sudo mount -t vfat /dev/$dev_name*1 /mnt/boot -o rw,uid=1000,gid=1000
sudo mount /dev/$dev_name*2 /mnt/rootfs
terminate_wait_for
}
# ------------------------------------------------------------#
# formatforComplete() unmount the mounted partitions, create #
# new partition table format 1st partition to vfat, #
# #
# ------------------------------------------------------------#
formatforComplete() {
source easybashgui
wait_for "Formating Sdcard...";
umount /media/$USER/*
echo $password |sudo -S mkdir -p /mnt/boot
echo -e "o\nn\np\n1\n\n\nw"|sudo fdisk /dev/$dev_name # delete old partition table and creating new
sudo mkfs.vfat /dev/$dev_name*1
sudo mount -t vfat /dev/$dev_name*1 /mnt/boot -o rw,uid=1000,gid=1000
terminate_wait_for
}
###################################################################################
# Execution starts here.
zenity --width=600 --height=200 --info --text "You need an 8GB or above external storage device (sdcard) to continue"
sudoAccess
removeSDCARD
insertSDCARD
SizeofSDCARD
dev_name="mmcblk0" # assuming SDcard only.
selection_menu "Select Backup mode" "Incremental Backup_:_only copies files that have changed since last backup" "Complete Backup_:_creates a full copy which can be restored."
case "${result}" in
"1" ) # Incremental
selection_menu "Incremental Backup options" "Continue with previous backup storage[if you have a previous incremental backup] " "Create a new backup by formating the storage"
case "${result}" in
"1" ) # "Continue with previous backup": check for mac_id matching & proceed to rsync
rootfs_path=`mount | grep ext|cut -d" " -f3` # tracking the rootfs mount path
mac_id=`cat /sys/class/net/eth0/address` # macid of the machine
if [ "$rootfs_path" == "" ] || [ ! -e $rootfs_path/opt/.Hw_addr.txt ];
then # (no rootfs) or ( rootfs doesn't contain Hw_addr.txt )
zenity --width=600 --height=100 --info --text "Your storage media doesnot contain matching backup from this machine"
exit
elif [ "$mac_id" == "$(cat $rootfs_path/opt/.Hw_addr.txt)" ]; # if macids are matching
then
echo "match found"
sudo rsync -latgrzpo --exclude='/mnt/*' --exclude='/tmp' --exclude='/dev' --exclude='/proc' --exclude='/sys' / $rootfs_path |
zenity --progress --title "Creating backup" \
--width=600 --height=100 --no-cancel \
--text="Please be patient as it may take some time." --pulsate --auto-close
zenity --width=300 --height=100 --info --text "Backup is Done, Now you can eject your SDcard and use for restore."
sudo rsync -latgrzpo --exclude='/tmp' --exclude='/dev' --exclude='/proc' --exclude='/sys' / $rootfs_path
else
zenity --width=600 --height=100 --info --text "Your storage media doesnot contain matching backup from this machine"
exit
fi
;;
"2" ) # "new incremental backup" start new rsync
cat /sys/class/net/eth0/address > /opt/.Hw_addr.txt # storing mac_id b4 copy
formatforIncremental
sudo rsync -lavtgrzpo --progress /opt/fossee-os/* /mnt/boot/|
zenity --progress --title "Preparing SDcard" \
--width=600 --height=100 --no-cancel \
--text="Please wait..." --pulsate --auto-close
sudo rsync -lavtgrzpo --progress --exclude='/tmp/*' --exclude='/mnt/*' --exclude='/dev/*' --exclude='/proc/*' --exclude='/sys/*' / /mnt/rootfs/ |
zenity --progress --title "Creating backup" \
--width=600 --height=100 --no-cancel \
--text="It may take some time.(approx 45min for 8GB)" --pulsate --auto-close
sync
echo $password |sudo umount /mnt/* # refresh sudo access
sudo rm -rf /mnt/*
;;
esac
;;
"2" ) # Complete
formatforComplete
sudo rsync -latgrzpo /opt/fossee-os/* /mnt/boot/ |
zenity --progress --title "Preparing SDcard" \
--width=600 --height=100 --no-cancel \
--text="Please wait..." --pulsate --auto-close
rm -r ~/Templates ~/Downloads/*
rm ~/.vimrc ~/.viminfo
rm -f /etc/udev/rules.d/70-persistent-net.rules
sudo tar -cpzf /mnt/boot/fossee-os.tar.gz --one-file-system /
sync
echo $password |sudo umount /mnt/* # refresh sudo access
sudo rm -rf /mnt/*
;;
esac
zenity --width=600 --height=100 --info --text "Done ! "
|
