mjh-lglaf-3

#!/usr/bin/bash

REPO=/home/mhooten/lglaf/h872
cd $REPO

SRC_OFFSET=12294
SIZE=21753856    # SIZE=$(wc -c h872-twrp.img)    21,753,856 = 1,024 x 21,244
DST_OFFSET=6

echo "Dumping laf partition"
sudo ./partitions.py --dump laf.img laf
cp laf.img "laf.$(date +'%Y%m%d.%H%M%S').img"

echo "Hash check passed. Copying TWRP to laf"
sudo ./lglaf.py -c '!OPEN'

echo "Listing"
sudo ./lglaf.py -c '!EXEC  lsof\0' | grep sda | grep lsof
echo
echo "Fourth field"
sudo ./lglaf.py -c '!EXEC  lsof\0' | grep sda | grep lsof | awk '{print $4}' | cut -f1 -d"u"
echo
FD_NUM=`./lglaf.py -c '!EXEC  lsof\0' | grep sda | grep lsof | awk '{print $4}' | cut -f1 -d"u" | head -1 | tail -1`
echo "FD_NUM = '$FD_NUM'"
if [[ ! $FD_NUM =~ ^[0-9]+$ ]]; then
   echo "FD_NUM = '$FD_NUM' and is not numeric. Exiting without flashing TWRP to the LAF parition."
   exit
fi
echo "DANGER! Do you wish to copy TWRP to the LAF partition? DANGER!"
echo "./lglaf.py -c '!COPY '$FD_NUM,$SRC_OFFSET,$SIZE,$DST_OFFSET"
read -s -n1 -r -p "Press x, X, or Ctrl c to exit. Any other key to continue." KEY
echo
if [[ $KEY =~ ^x|X$ ]]; then
   echo "Exiting"
   exit
fi

sudo ./lglaf.py -c '!COPY '$FD_NUM,$SRC_OFFSET,$SIZE,$DST_OFFSET
sudo ./lglaf.py -c '!CLSE '$FD_NUM
sudo ./lglaf.py -c '!CTRL POFF'

echo "Flash successful! Unplug your USB cable and your phone will power off."
echo "Once your phone is off, go back into download mode - hold vol up and plug the USB cable back in."
echo "Once TWRP loads, you need to flash TWRP onto recovery.