chrome/installer/linux/common/wrapper

   1 #!/bin/bash
   2 #
   3 # Copyright (c) 2011 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 # Let the wrapped binary know that it has been run through the wrapper.
   8 export CHROME_WRAPPER="`readlink -f "$0"`"
   9
  10 HERE="`dirname "$CHROME_WRAPPER"`"
  11
  12 # Check if the CPU supports SSE2. If not, try to pop up a dialog to explain the
  13 # problem and exit. Otherwise the browser will just crash with a SIGILL.
  14 # http://crbug.com/348761
  15 grep ^flags /proc/cpuinfo|grep -qs sse2
  16 if [ $? != 0 ]; then
  17   SSE2_DEPRECATION_MSG="This computer can no longer run Google Chrome because \
  18 its hardware is no longer supported."
  19   if which zenity &> /dev/null; then
  20     zenity --warning --text="$SSE2_DEPRECATION_MSG"
  21   elif which gmessage &> /dev/null; then
  22     gmessage "$SSE2_DEPRECATION_MSG"
  23   elif which xmessage &> /dev/null; then
  24     xmessage "$SSE2_DEPRECATION_MSG"
  25   else
  26     echo "$SSE2_DEPRECATION_MSG" 1>&2
  27   fi
  28   exit 1
  29 fi
  30
  31 # We include some xdg utilities next to the binary, and we want to prefer them
  32 # over the system versions when we know the system versions are very old. We
  33 # detect whether the system xdg utilities are sufficiently new to be likely to
  34 # work for us by looking for xdg-settings. If we find it, we leave $PATH alone,
  35 # so that the system xdg utilities (including any distro patches) will be used.
  36 if ! which xdg-settings &> /dev/null; then
  37   # Old xdg utilities. Prepend $HERE to $PATH to use ours instead.
  38   export PATH="$HERE:$PATH"
  39 else
  40   # Use system xdg utilities. But first create mimeapps.list if it doesn't
  41   # exist; some systems have bugs in xdg-mime that make it fail without it.
  42   xdg_app_dir="${XDG_DATA_HOME:-$HOME/.local/share/applications}"
  43   mkdir -p "$xdg_app_dir"
  44   [ -f "$xdg_app_dir/mimeapps.list" ] || touch "$xdg_app_dir/mimeapps.list"
  45 fi
  46
  47 # Always use our versions of ffmpeg libs.
  48 # This also makes RPMs find the compatibly-named library symlinks.
  49 if [[ -n "$LD_LIBRARY_PATH" ]]; then
  50   LD_LIBRARY_PATH="$HERE:$HERE/lib:$LD_LIBRARY_PATH"
  51 else
  52   LD_LIBRARY_PATH="$HERE:$HERE/lib"
  53 fi
  54 export LD_LIBRARY_PATH
  55
  56 export CHROME_VERSION_EXTRA="@@CHANNEL@@"
  57
  58 # We don't want bug-buddy intercepting our crashes. http://crbug.com/24120
  59 export GNOME_DISABLE_CRASH_DIALOG=SET_BY_GOOGLE_CHROME
  60
  61 # Automagically migrate user data directory.
  62 # TODO(phajdan.jr): Remove along with migration code in the browser for M33.
  63 if [[ -n "@@SXS_USER_DATA_DIR@@" ]]; then
  64   if [[ ! -d "@@SXS_USER_DATA_DIR@@" ]]; then
  65     "$HERE/@@PROGNAME@@" "--migrate-data-dir-for-sxs=@@SXS_USER_DATA_DIR@@" \
  66       --enable-logging=stderr --log-level=0
  67   fi
  68 fi
  69
  70 # Make sure that the profile directory specified in the environment, if any,
  71 # overrides the default.
  72 if [[ -n "$CHROME_USER_DATA_DIR" ]]; then
  73   PROFILE_DIRECTORY_FLAG="--user-data-dir=$CHROME_USER_DATA_DIR"
  74 fi
  75
  76 # Sanitize std{in,out,err} because they'll be shared with untrusted child
  77 # processes (http://crbug.com/376567).
  78 exec < /dev/null
  79 exec > >(exec cat)
  80 exec 2> >(exec cat >&2)
  81
  82 # Note: exec -a below is a bashism.
  83 exec -a "$0" "$HERE/@@PROGNAME@@" @@DEFAULT_FLAGS@@ "$PROFILE_DIRECTORY_FLAG" \
  84   "$@"