scripts/delta-generation.sh

   1 #!/bin/bash
   2 #---------------------------------------------------------#
   3 #                Delta Generation Script
   4 #                  (Tizen 4.0 Upgrade)
   5 #
   6 # Preconditions
   7 #  * tota-upg
   8 #  * diff binary and libraries:
   9 #   ss_bsdiff, lib7zip, libdivsufsort
  10 #
  11 # Upgrade procedure
  12 #  1. Download images (old, new)
  13 #  2. Download old image to target
  14 #  3. Generate delta
  15 #  4. Download delta to target
  16 #  5. Execute upgrade trigger
  17 #
  18 # This script covers step 3
  19 #
  20 #---------------------------------------------------------#
  21
  22 # Get argument
  23 if [ $# -lt 2 ]; then
  24         echo "Usage: delta-generation.sh TOTA_UPG_PATH TARGET [SIGN_PKCS_FILE SIGN_PKCS_PASSWORD]"
  25         echo " TARGET> rpi3 | tw1"
  26         exit
  27 fi
  28
  29 TOTA_UPG_PATH=$1
  30 TARGET=$2
  31 SIGN_PKCS_FILE=$3
  32 SIGN_PKCS_PASSWORD=$4
  33
  34 # Path of downloaded images (old, new)
  35 TOTA_UPG_WORK=${TOTA_UPG_PATH}/mk_delta/${TARGET}
  36 OLD_IMG_PATH=${TOTA_UPG_WORK}/data/old_tar
  37 NEW_IMG_PATH=${TOTA_UPG_WORK}/data/new_tar
  38
  39 # Cleanup previous data
  40 MOUNT_LIST=$(mount | grep ${TOTA_UPG_WORK})
  41 if [ ! -z "$MOUNT_LIST" ]; then
  42         echo "$MOUNT_LIST" | \
  43         while read LINE
  44         do
  45                 MOUNT_PATH=$(echo "$LINE" | awk '{print $3}')
  46                 sudo umount $MOUNT_PATH
  47         done
  48 fi
  49
  50 CWD=${PWD}
  51 cd $TOTA_UPG_WORK
  52 ls | grep -vE "cfg|data" | xargs rm -rf
  53 cd data
  54 ls | grep -vE "old_tar|new_tar" | xargs rm -rf
  55 cd ${CWD}
  56
  57 # Execute mk_delta script
  58 CWD=${PWD}
  59 cd ${TOTA_UPG_WORK}
  60 ../common/bin/mk_delta.sh ${SIGN_PKCS_FILE} ${SIGN_PKCS_PASSWORD}
  61 cd ${CWD}