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https://github.com/armbian/build
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add utils ddbr for create\restore full backup eMMC (#3406)
This commit is contained in:
Oleg
@@ -6,3 +6,4 @@
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/mnt/*
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/run/*
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/tmp/*
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/ddbr/*
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269
packages/bsp/common/usr/sbin/ddbr
Executable file
269
packages/bsp/common/usr/sbin/ddbr
Executable file
@@ -0,0 +1,269 @@
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#!/bin/bash
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# Author: xXx
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# Purpose: Automate the process of backing up internal storage.
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# Date: 4 Jan 2017 20:22:00 EET
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###############################################################################
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# Update: 5 Jan 2017 19:48:00 EET #
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# Reason: Added support for when the user have started his machine #
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# from USB. Now the right source and destination should be selected. #
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# Added support for uncompressed images. #
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# Added detection if the user runs already from emmc. #
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###############################################################################
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# Update: 6 Jan 2017 21:43:00 EET #
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# Reason: Added functionality to restore images that this program creates. #
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###############################################################################
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# Update: 8 Mar 2017 18:30:00 EET #
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# Reason: Changed yellow color to cyan for white backround terminals. #
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###############################################################################
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# Update: 8 Mar 2017 18:52:00 EET #
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# Reason: Changed backup/restore dir to /ddbr as installer excludes this dir. #
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###############################################################################
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# Update: 12 Mar 2017 10:47:00 EET #
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# Reason: Added the ability for the user to continue with compressed backup #
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# only, and at his/her own risk, in case of lesser free space on the drive. #
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# Tried to annoy the user with questions, in order to discourage him/her. #
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###############################################################################
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# Update: 12 Mar 2017 13:02:00 EET #
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# Reason: Separated backup and restore dialogs for better handling of the #
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# various situations for the program itself. Now the program ask first if a #
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# backup or restore is wanted, and skips/adds some checks accordingly. #
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# There should be no stops now, if a restore only wanted, and the free space #
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# was too low, as this is irrelevant to the requested function. #
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###############################################################################
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# Update: 12 Mar 2017 16:08:00 EET #
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# Reason: The program can now accept an argument for PowerUsers. #
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# This argument can only be a directory, and must exists before calling the #
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# program. This mode is dangerous, and most users will not need this mode, as #
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# great damages can be done to your system if you use it incorrectly. #
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# The argument is really the backup/restore directory that now can be forced #
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# by the user, to bypass the programs checks, always at his/her own risk. #
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###############################################################################
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# Update: 12 Mar 2017 16:32:00 EET #
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# Reason: Code cleaning. As the program have become very complex already, a #
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# cleaner code was mandatory, in order to keep it safe and maintainable. If i #
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# am to kill any bugs below these lines, i should be able to spot them first. #
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###############################################################################
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# Update: 13 Mar 2017 11:52:00 EET #
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# Reason: Squashed some small bugs when running on normal Linux desktops that #
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# have no EMMC or SDCARDS installed. And some more code cleaning. #
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###############################################################################
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# Update: 13 Mar 2017 12:40:00 EET #
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# Reason: Changed the messages to darker colors for better compatibility with #
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# white background terminals. Only the red color is now bright for emphasis. #
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###############################################################################
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_r=$(tput bold && tput setaf 1)
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_g=$(tput setaf 2)
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_b=$(tput setaf 4)
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_c=$(tput setaf 6)
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_x=$(tput sgr0)
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[ $(whoami) != root ] && echo "$_r Please run this program as root""$_x" && exit 1
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OUTDIR=$1
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if [ "$OUTDIR" = "" ]
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then
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OUTDIR="/ddbr"
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[ ! -d /ddbr ] && mkdir -p /ddbr
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else
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OUTDIR=$(echo "$OUTDIR" | sed "s,/\+$,,")
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echo "$_b ARGUMENT MODE DETECTED. YOU HAVE BEEN WARNED!!! $_x"
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echo "$_b NO IN/OUT SIZE CHECKS WILL BE PERFORMED IN THIS MODE. $_x"
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echo "$_b YOU ARE USING THIS MODE AT YOUR OWN RISK!!! $_x"
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if [ ! -d "$OUTDIR" ]
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then
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echo "$_r IN ARGUMENT MODE THE OUT/IN DIRECTORY MUST PRE-EXIST $_x"
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echo "$_r AND IT IS BETTER TO BE ON AN MOUNTED EXTERNAL DRIVE. $_x"
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echo "$_r PROGRAM EXITED DUE TO ERROR: NO DIR $OUTDIR $_x"
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exit 1
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fi
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fi
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dobackup(){
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echo $_c" DO YOU WANT COMPRESSION ? "$_x
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while true
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read -p " "$_b"YES=("$_c"y"$_b") NO=("$_c"n"$_b")"$_x" " yn
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do
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case $yn in
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y)
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COMPRESS=TRUE
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break;;
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n)
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COMPRESS=FALSE
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break;;
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*)
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;;
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esac
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done
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if [ "$COMPRESS" = "TRUE" ]
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then
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echo "$_b SAVING AND COMPRESSING "$_g"$emmc"$_b" TO "$_g"$OUTDIR/$image.gz"$_x"..."
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dd if=/dev/$emmc | pv -s $intsize"K" | gzip > $OUTDIR/$image.gz
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finish
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else
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echo "$_b SAVING "$_g"$emmc"$_b" TO "$_g"$OUTDIR/$image"$_x"..."
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dd if=/dev/$emmc | pv -s $intsize"K" | dd of=$OUTDIR/$image
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finish
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fi
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}
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dorestore(){
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echo $_c" DID YOU USED COMPRESSION WHEN YOU TOOK THE BACKUP ? "$_x
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while true
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read -p " "$_b"YES=("$_c"y"$_b") NO=("$_c"n"$_b")"$_x" " yn
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do
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case $yn in
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y)
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COMPRESS=TRUE
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break;;
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n)
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COMPRESS=FALSE
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break;;
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*)
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;;
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esac
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done
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if [ "$COMPRESS" = "TRUE" ]
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then
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[ ! -f $OUTDIR/$image.gz ] && echo "$_r NO IMAGE FOUND. MAKE SURE YOU HAVE MADE A BACKUP FIRST."$_x"" && exit 1
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echo "$_c YOU ARE ABOUT TO MAKE SERIOUS CHANGES TO YOUR SYSTEM!!!"
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echo " FILE "$_g"$OUTDIR/$image.gz"$_c" IS GOING TO BE WRITEN TO "$_g"$emmc"$_c" "
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echo " MAKE SURE EVERYTHING LOOKS OK AND:"
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read -p " PRESS ENTER TO CONTINUE OR CTRL+C TO CANCEL $_x" blah
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echo $_b" RESTORING $OUTDIR/$image.gz TO /dev/$emmc | PLEASE WAIT..."$_x
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gunzip -c $OUTDIR/$image.gz | pv -s $intsize"K" | dd of=/dev/$emmc
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finish
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else
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[ ! -f $OUTDIR/$image ] && echo "$_r NO IMAGE FOUND. MAKE SURE YOU HAVE MADE A BACKUP FIRST."$_x"" && exit 1
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echo "$_c YOU ARE ABOUT TO MAKE SERIOUS CHANGES TO YOUR SYSTEM!!!"
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echo " FILE "$_g"$OUTDIR/$image"$_c" IS GOING TO BE WRITEN TO "$_g"$emmc"$_c" "
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echo " MAKE SURE EVERYTHING LOOKS OK AND:"
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read -p " PRESS ENTER TO CONTINUE OR CTRL+C TO CANCEL $_x" blah
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echo $_b" RESTORING $OUTDIR/$image TO /dev/$emmc | PLEASE WAIT..."$_x
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dd if=$OUTDIR/$image | pv -s $intsize"K" | dd of=/dev/$emmc
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finish
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fi
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}
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compress(){
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echo "$_c YOU ARE IN FORCED COMPRESSION MODE!!! $_x"
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echo " THIS MODE CAN BE FROM DANGEROUS TO DESTRUCTIVE FOR YOUR $runfrom DRIVE"
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echo " IF THE COMPRESSED BACKUP GROW BIGGER THAN THE FREE SPACE ON THE DRIVE"
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echo " BAD THINGS MAY HAPPEN TO YOUR CURRENTLY RUNNING DRIVE $runfrom"
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echo " IT IS BETTER TO USE A DRIVE WITH PLENTY OF SPACE FOR BACKING UP EMMC"
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echo " BY PRESSING ENTER YOU ARE CONTINUING AT YOUR OWN RISK!!!"
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read -p " CTRL+C to QUIT | ENTER TO CONTINUE " null
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while true
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read -p " "$_b"ARE YOU SURE? YES=("$_c"y"$_b") NO=("$_c"n"$_b")"$_x" " YN
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do
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case $YN in
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y)
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break;;
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n)
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exit 1
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break;;
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*)
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;;
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esac
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done
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echo "$_b SAVING AND COMPRESSING "$_g"$emmc"$_b" TO "$_g"$OUTDIR/$image.gz"$_x"..."
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dd if=/dev/$emmc | pv -s $intsize"K" | gzip > $OUTDIR/$image.gz
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finish
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}
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finish(){
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echo "$_g JOB FINISHED!"$_x""
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exit 0
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}
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echo "$_c DO YOU WANT TO BACKUP OR RESTORE ? "$_x""
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while true
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read -p " "$_b"BACKUP=("$_c"b"$_b") RESTORE=("$_c"r"$_b")"$_x" " br
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do
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case $br in
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b)
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wantsbackup=true
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break;;
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r)
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wantsbackup=false
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break;;
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*)
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;;
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esac
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done
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### COMMON CHECKS / VARIABLES CREATION / INFO GATHERING
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hasdrives=$(lsblk | grep -oE '(mmcblk[0-9])' | sort | uniq)
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if [ "$hasdrives" = "" ]
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then
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echo "$_r UNABLE TO FIND ANY EMMC OR SD DRIVES ON THIS SYSTEM!!! $_x"
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exit 1
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fi
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avail=$(lsblk | grep -oE '(mmcblk[0-9]|sda[0-9])' | sort | uniq)
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if [ "$avail" = "" ]
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then
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echo "$_r UNABLE TO FIND ANY DRIVES ON THIS SYSTEM!!! $_x"
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exit 1
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fi
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runfrom=$(lsblk | grep /$ | grep -oE '(mmcblk[0-9]|sda[0-9])')
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if [ "$runfrom" = "" ]
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then
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echo "$_r UNABLE TO FIND ROOT OF THE RUNNING SYSTEM!!! $_x"
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exit 1
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fi
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emmc=$(echo $avail | sed "s/$runfrom//" | sed "s/sd[a-z][0-9]//g" | sed "s/ //g")
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if [ "$emmc" = "" ]
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then
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echo "$_r UNABLE TO FIND YOUR EMMC DRIVE "$_c"OR"$_r" YOU ALREADY RUN FROM EMMC!!! $_x"
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exit 1
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fi
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if [ "$runfrom" = "$avail" ]
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then
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echo "$_r YOU ARE RUNNING ALREADY FROM EMMC!!! $_x"
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exit 1
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fi
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if [ $runfrom = $emmc ]
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then
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echo "$_r YOU ARE RUNNING ALREADY FROM EMMC!!! $_x"
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exit 1
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fi
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if [ "$(echo $emmc | grep mmcblk)" = "" ]
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then
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echo "$_r YOU DO NOT APPEAR TO HAVE AN EMMC DRIVE!!! $_x"
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exit 1
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fi
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intsize=$(fdisk -s /dev/$emmc)
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#image=$(echo $(cat /proc/cpuinfo | egrep '(Hardware|Revision)' | awk '{print $3}') | sed "s/ /-/g")-emmc.img
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image=BACKUP-arm-64-emmc.img
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### BACKUP ONLY CHECKS
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if [ "$wantsbackup" = true ]
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then
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rootfree=$(df | grep /$ | awk '{print $4}')
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[ $rootfree -le $intsize ] && echo -e "$_r NOT ENOUGH FREE SPACE! \n FORCING COMPRESSION MODE $_x" && compress=true
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else
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echo "$_b AVAILABLE DEVICES: "$_g"$(echo $avail)""$_x"
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echo "$_b YOU ARE RUNNING "$_g"$(lsb_release -c | awk '{print $2}')"$_b" FROM "$_g"$runfrom""$_x"
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dorestore
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fi
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echo "$_b AVAILABLE DEVICES: "$_g"$(echo $avail)""$_x"
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echo "$_b YOU ARE RUNNING "$_g"$(lsb_release -c | awk '{print $2}')"$_b" FROM "$_g"$runfrom""$_x"
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if [ $(echo $intsize | sed "s/ //g" | wc -c) -le 7 ]
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then
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echo -e "$_b INTERNAL EMMC IS: "$_g"$emmc"$_b" SIZE:\t"$_g"$intsize""$_x"
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else
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echo -e "$_b INTERNAL EMMC IS: "$_g"$emmc"$_b" SIZE:\t"$_g"$intsize""$_x"
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fi
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if [ $(echo $rootfree | sed "s/ //g" | wc -c) -le 7 ]
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then
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echo -e "$_b ROOT ($runfrom) FREE SPACE IS:\t\t\t"$_g"$rootfree""$_x"
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else
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echo -e "$_b ROOT ($runfrom) FREE SPACE IS:\t\t"$_g"$rootfree""$_x"
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fi
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[ "$compress" = "true" ] && compress || dobackup
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