Add update-linux-sandbox.sh to build/

build/update-linux-sandbox.sh

+#!/bin/sh
+
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+BUILDTYPE=${BUILDTYPE:-"Debug"}
+CHROME_SRC_DIR=${CHROME_SRC_DIR:-$(dirname $(readlink -fn $0))/..}
+CHROME_OUT_DIR="${CHROME_SRC_DIR}/out/${BUILDTYPE}"
+chrome_sandbox_build_path="${CHROME_OUT_DIR}/chrome_sandbox"
+# Make sure the path below is not on NFS!
+chrome_sandbox_installed_path="/usr/local/sbin/chrome-devel-sandbox"
+
+if [ ! -d "$CHROME_OUT_DIR" ]; then
+  echo -n "$CHROME_OUT_DIR does not exist. Use \"BUILDTYPE=Release ${0}\" "
+  echo "If you are building in Release mode"
+  exit 1
+fi
+
+if [ ! -f "$chrome_sandbox_build_path" ]; then
+  echo -n "Could not find $chrome_sandbox_build_path, "
+  echo "please make sure you build the chrome_sandbox target"
+  exit 1
+fi
+
+installsandbox() {
+  sudo -- cp "$chrome_sandbox_build_path" "$chrome_sandbox_installed_path" &&
+  sudo -- chown root:root "$chrome_sandbox_installed_path" &&
+  sudo -- chmod 4755 "$chrome_sandbox_installed_path"
+  return $?
+}
+
+if [ ! -f "$chrome_sandbox_installed_path" ]; then
+  echo -n "Could not find $chrome_sandbox_installed_path, "
+  echo "installing it now."
+  installsandbox
+fi
+
+if [ ! -f "$chrome_sandbox_installed_path" ]; then
+  echo "Failed to install $chrome_sandbox_installed_path"
+  exit 1
+fi
+
+current_api=$($chrome_sandbox_build_path --get-api)

[Lei Zhang, 2012/06/05 23:07:05]

Please double quote $chrome_sandbox_build_path here and
$chrome_sandbox_installed_path below. Otherwise they won't work if there's
spaces in the path.

+installed_api=$($chrome_sandbox_installed_path --get-api)
+
+if [ x$current_api != x$installed_api ]; then
+  echo "Your installed setuid sandbox is too old, installing it now."
+  if ! installsandbox; then
+    echo "Failed to install $chrome_sandbox_installed_path"
+    exit 1
+  fi
+else
+  echo "Your setuid sandbox is up to date"
+  if [ x$CHROME_DEVEL_SANDBOX != x"$chrome_sandbox_installed_path" ]; then
+    echo -n "Make sure you have \"export "
+    echo -n "CHROME_DEVEL_SANDBOX=$chrome_sandbox_installed_path\" "
+    echo "somewhere in your .bashrc"
+    echo "This variable is currently: ${CHROME_DEVEL_SANDBOX:-"empty"}"
+  fi
+fi