chromium_path=http://build.chromium.org/f/chromium/snapshots/chromium-linux-reliability
chromium_latest_file=LATEST
chromium_latest_file_old=LATEST.old
file=chrome-linux.zip
dest_base_dir=/opt/google
dest_dir=chrome-linux
chromium_ver_old=`cat ${chromium_latest_file_old}`
app_name=chrome
chromium_options="--enable-plugins --enable-accelerated-compositing --enable-gpu-plugin --enable-gpu-rendering --enable-accelerated-2d-canvas"

echo "本地版本为：${chromium_ver_old}"
if [ -a ${chromium_latest_file} ]; then
  rm ${chromium_latest_file}
fi

echo "下载最新版本文件"
wget ${chromium_path}/${chromium_latest_file}

echo
echo

chromium_ver=`cat ${chromium_latest_file}`
echo "远程最新版本为：${chromium_ver}"

if [ "${chromium_ver}" == "${chromium_ver_old}" ]; then
  echo "当前已使用最新版本，无需更新"
  exit 0
fi

if [ -a ${chromium_latest_file} ]; then
  rm ${file}
fi

echo "下载最新版本文件"
wget ${chromium_path}/${chromium_ver}/${file}

unzip ${file}

cp -f -R ${dest_dir} ${dest_base_dir}

rm -f -R ${dest_dir}
rm -f ${file}
mv -f ${chromium_latest_file} ${chromium_latest_file_old}
echo "更新完成，当前本地版本：${chromium_ver}"

read -p "是否要重启Chromium（y/n）？" restart_chromium
if [ "${restart_chromium}" == "y" ]; then
  echo "强制关闭 chromium 进程 ....."
  killall ${app_name}
  echo "进程关闭，重启 chromium ......"
  ${dest_base_dir}/${dest_dir}/${app_name} ${chromium_options} &
fi