scripts/delta-generation.sh

   1 #!/bin/bash
   2
   3 #---------------------------------------------------------#
   4 #                Delta Generation Script
   5 #                  (Tizen 4.0 Upgrade)
   6 #
   7 # Preconditions
   8 #  * tota-upg
   9 #  * diff binary and libraries:
  10 #   ss_bsdiff, lib7zip, libdivsufsort
  11 #
  12 # Upgrade procedure
  13 #  1. Download images (old, new)
  14 #  2. Download old image to target
  15 #  3. Generate delta
  16 #  4. Download delta to target
  17 #  5. Execute upgrade trigger
  18 #
  19 # This script covers step 3
  20 #
  21 #---------------------------------------------------------#
  22
  23 # Get argument
  24 if [ $# -lt 2 ]; then
  25         echo "Usage: delta-generation.sh TOTA_UPG_PATH TARGET DELTA_TYPE [SIGN_PKCS_FILE SIGN_PKCS_PASSWORD]"
  26         echo " TARGET> rpi4"
  27         echo " DELTA_TYPE> common | full   (default: common)"
  28         exit
  29 fi
  30
  31 TOTA_UPG_PATH=$1
  32 TARGET=$2
  33
  34 if [ -z ${3+x} ]; then
  35         DELTA_TYPE="common"
  36 else
  37         DELTA_TYPE=$3
  38 fi
  39
  40 if [ "$DELTA_TYPE" == "common" ]; then
  41         SIGN_PKCS_FILE=$4
  42         SIGN_PKCS_PASSWORD=$5
  43 fi
  44
  45 # Path of downloaded images (old, new)
  46 TOTA_UPG_WORK=${TOTA_UPG_PATH}/mk_delta/${TARGET}
  47 OLD_IMG_PATH=${TOTA_UPG_WORK}/data/old_tar
  48 NEW_IMG_PATH=${TOTA_UPG_WORK}/data/new_tar
  49
  50 # Cleanup previous data
  51 MOUNT_LIST=$(mount | grep ${TOTA_UPG_WORK})
  52 if [ ! -z "$MOUNT_LIST" ]; then
  53         echo "$MOUNT_LIST" | \
  54         while read LINE
  55         do
  56                 MOUNT_PATH=$(echo "$LINE" | awk '{print $3}')
  57                 sudo umount $MOUNT_PATH
  58         done
  59 fi
  60
  61 CWD=${PWD}
  62 if ! [ -d $TOTA_UPG_WORK ]; then
  63         echo "$(tput setaf 1)$(tput bold)ERROR: There is no  $TOTA_UPG_WORK directory. Please input correct path."
  64         tput sgr 0
  65         exit
  66 fi
  67 cd $TOTA_UPG_WORK
  68 ls | grep -vE "cfg|data" | xargs rm -rf
  69 cd data
  70 ls | grep -vE "old_tar|new_tar" | xargs rm -rf
  71 cd ${CWD}
  72
  73 # Execute mk_delta script
  74 CWD=${PWD}
  75 cd ${TOTA_UPG_WORK}
  76 if [ "$DELTA_TYPE" == "full" ]; then
  77         ../common/bin/mk_delta_full.sh
  78 else
  79         ../common/bin/mk_delta.sh ${SIGN_PKCS_FILE} ${SIGN_PKCS_PASSWORD}
  80 fi
  81 cd ${CWD}