backup_user_apps_with_data.sh

#!/bin/bash

# The display of the device needs to be turned on during the backup:
#   System > Advanced > Developer options > Stay awake

# We require the position of the "Backup my data" button, find it with
#   System > Advanced > Developer options > Input: Show taps + Pointer location
# and a manual data backup triggered by something like
#   export APP=$(adb shell cmd package list packages -3 | tail -1)
#   adb backup -f /tmp/to_be_removed ${APP:8}
export BUTTON_X=1150
export BUTTON_Y=2000

export BASEDIR=user-apps
mkdir -p "${BASEDIR}"

export TIME=$(date +%Y-%m-%dT%H-%M-%S)

#adb shell cmd package list packages -d > packages_disabled.txt
#adb shell cmd package list packages -e > packages_enabled.txt
#adb shell cmd package list packages -s > packages_system.txt
adb shell cmd package list packages -3 > ${BASEDIR}/installed_user_packages__${TIME}.txt

for LINE in $(adb shell cmd package list packages -3 -f); do
    export WORDS=$(echo ${LINE} | sed "s/^package://" | sed "s/base.apk=/base.apk /")
    export WORDS=($WORDS)
    export REMOTE_APKPATH=${WORDS[0]}
    export APP=${WORDS[1]}
    echo "${APP}:"
    if [ ${REMOTE_APKPATH::10} == "/data/app/" ]; then
            export APPDIR="${BASEDIR}/${APP}"
            mkdir -p "${APPDIR}"
            echo -n "  - backing up apk ... "
            export LOCAL_APKPATH="${APPDIR}/${APP}__${TIME}.apk"
            export DONE_APK="${APPDIR}/.${APP}__${TIME}.apk.SUCCEEDED"
            adb pull -a "${REMOTE_APKPATH}" "${LOCAL_APKPATH}" &> /dev/null && touch "${DONE_APK}"
            if [ -e "${DONE_APK}" ] ; then
                    echo "done"
                    rm "${DONE_APK}"
            else
                    echo "FAILED! Retrying verbosely and continuing afterwards:"
                    adb pull -a "${REMOTE_APKPATH}" "${LOCAL_APKPATH}"
            fi
            echo -n "  - backing up data ..."
            export LOCAL_DATAPATH="${APPDIR}/${APP}__${TIME}.data"
            export DONE_DATA="${APPDIR}/.${APP}__${TIME}.data.SUCCEEDED"
            # start the backup process in the background, will open a pop-up on the device
            adb backup -f "${LOCAL_DATAPATH}" "${APP}" &> /dev/null && touch "${DONE_DATA}" &
            # record the pid of the just started process
            PID=$!
            # wait for the pop-up to appear on the device
            sleep 1
            # press the correct button
            adb shell input tap $BUTTON_X $BUTTON_Y
            # wait for the backup process to finish
            while ps -p $PID > /dev/null; do sleep 1; done
            if [ -e "${DONE_DATA}" ] ; then
                    echo "done"
                    rm "${DONE_DATA}"
            else
                    echo "FAILED! Retrying verbosely and continuing afterwards:"
                    adb backup -f "${LOCAL_DATAPATH}" "${APP}"
            fi
    else
            echo "  - cannot backup (not residing in /data/app/)!"
    fi
done