binfiles/adb-wait-for-device at master · goldie-lin/binfiles · GitHub

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#!/usr/bin/env bash
# Author: Goldie Lin
# Description:
#   The "adb wait-for-device" variant command, using polling method to wait for
#   non-first boot and first boot + disk encryption two cases, after doing
#   factory reset or ROM image re-download.
# Usage:
#   adb-wait-for-device [-s ADB_DEVICE_SERIAL_NO]

# note: no need.
#set -e

# Variable definitions
# ====================

declare -ir adb_polling_interval_secs=1

# Function definitions
# ====================

adb_wait_for_device() {
  # options:
  #   -s ADB_DEVICE_SERIAL_NO

  local OPTARG OPTIND optchar
  local sn_opt sn

  while getopts ":s:" optchar; do
    case "${optchar}" in
      s) sn_opt="-s ${OPTARG}"; sn="${OPTARG}";;
      *) ;;
    esac
  done

  # shellcheck disable=SC2086
  adb ${sn_opt} wait-for-device

  # shellcheck disable=SC2086
  while [[ "$(adb ${sn_opt} shell 'getprop sys.boot_completed')" != 1 ]]; do
    # note: no need, only empty string here.
    #adb ${sn_opt} shell getprop | grep -F 'sys.boot_completed'
    sleep "${adb_polling_interval_secs}"
  done
  echo "Device${sn:+ [$sn]} system is boot_completed."

  # shellcheck disable=SC2086
  if [[ "$(adb ${sn_opt} shell 'getprop ro.crypto.state')" != encrypted ]]; then
    # note: disk is unencrypted when first boot.
    # shellcheck disable=SC2086
    while [[ "$(adb ${sn_opt} shell 'getprop vold.encrypt_progress')" != 100 ]]; do
      # shellcheck disable=SC2086
      adb ${sn_opt} shell getprop | grep -F 'vold.encrypt_progress'
      sleep "${adb_polling_interval_secs}"
    done
    echo "Device${sn:+ [$sn]} encrypt_progress is 100%."

    # shellcheck disable=SC2086
    while [[ "$(adb ${sn_opt} shell 'getprop ro.crypto.state')" != encrypted ]]; do
      # shellcheck disable=SC2086
      adb ${sn_opt} shell getprop | grep -F 'ro.crypto.state'
      sleep "${adb_polling_interval_secs}"
    done
  fi
  echo "Device${sn:+ [$sn]} crypto.state is encrypted."
}

main() {
  # options:
  #   -s ADB_DEVICE_SERIAL_NO

  local OPTARG OPTIND optchar
  local sn_opt

  while getopts ":s:" optchar; do
    case "${optchar}" in
      s) sn_opt="-s ${OPTARG}";;
      *) ;;
    esac
  done

  # shellcheck disable=SC2086
  adb_wait_for_device ${sn_opt}
}

main "$@"