build/android/adb_command_line_functions.sh

   1 #!/bin/bash
   2 #
   3 # Copyright 2015 The Chromium Authors. All rights reserved.
   4 # Use of this source code is governed by a BSD-style license that can be
   5 # found in the LICENSE file.
   6
   7 # Variables must be set before calling:
   8 # CMD_LINE_FILE - Path on device to flags file.
   9 # REQUIRES_SU - Set to 1 if path requires root.
  10 function set_command_line() {
  11   SU_CMD=""
  12   if [[ "$REQUIRES_SU" = 1 ]]; then
  13     # Older androids accept "su -c", while newer use "su uid".
  14     SDK_LEVEL=$(adb shell getprop ro.build.version.sdk | tr -d '\r')
  15     # E.g. if no device connected.
  16     if [[ -z "$SDK_LEVEL" ]]; then
  17       exit 1
  18     fi
  19     SU_CMD="su -c"
  20     if (( $SDK_LEVEL >= 21 )); then
  21       SU_CMD="su 0"
  22     fi
  23   fi
  24
  25   if [ $# -eq 0 ] ; then
  26     # If nothing specified, print the command line (stripping off "chrome ")
  27     adb shell "cat $CMD_LINE_FILE 2>/dev/null" | cut -d ' ' -s -f2-
  28   elif [ $# -eq 1 ] && [ "$1" = '' ] ; then
  29     # If given an empty string, delete the command line.
  30     set -x
  31     adb shell $SU_CMD rm $CMD_LINE_FILE >/dev/null
  32   else
  33     # Else set it.
  34     set -x
  35     adb shell "echo 'chrome $*' | $SU_CMD dd of=$CMD_LINE_FILE"
  36     # Prevent other apps from modifying flags (this can create security issues).
  37     adb shell $SU_CMD chmod 0664 $CMD_LINE_FILE
  38   fi
  39 }
  40