Merge "Otapreopt: Send progress updates to update_engine" into nyc-mr1-dev

# This script will run as a postinstall step to drive otapreopt.

STATUS_FD="$2"

# Maximum number of packages/steps.

MAXIMUM_PACKAGES=1000

PREPARE=$(cmd otadexopt prepare)

if [ "$PREPARE" != "Success" ] ; then

  echo "Failed to prepare."

  exit 1

fi

# Note: Ignore preparation failures. Step and done will fail and exit this.

#       This is necessary to support suspends - the OTA service will keep

#       the state around for us.

PROGRESS=$(cmd otadexopt progress)

print -u${STATUS_FD} "global_progress $PROGRESS"

i=0

while ((i<MAXIMUM_PACKAGES)) ; do

  cmd otadexopt step

  PROGRESS=$(cmd otadexopt progress)

  print -u${STATUS_FD} "global_progress $PROGRESS"

  DONE=$(cmd otadexopt done)

  if [ "$DONE" = "OTA complete." ] ; then

    break

  fi

  if [ "$DONE" = "OTA incomplete." ] ; then

    sleep 1

    i=$((i+1))

    continue

  fi

  break

done

DONE=$(cmd otadexopt done)

  echo "Complete or error."

fi

print -u${STATUS_FD} "global_progress 1.0"

cmd otadexopt cleanup

exit 0