Make package: work like Dart expects in preparation for a Sky SDK

sky/sdk/tools/download_material_design_icons

 #!/usr/bin/env python
 # Copyright (c) 2015 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.
 
 import os
 import subprocess
 
 from webkitpy.common.system import filesystem
 from webkitpy.common.webkit_finder import WebKitFinder

[abarth-chromium, 2015/03/13 20:38:02]

This isn't going to work...

 
 finder = WebKitFinder(filesystem.FileSystem())
 
 assets_dir = finder.path_from_chromium_base('sky', 'assets')
 sha1_path = os.path.join(assets_dir, 'material-design-icons.sha1')
 
 with open(sha1_path) as f:
     sha1 = f.read()
 
 tgz_path = os.path.join(assets_dir, 'material-design-icons.tgz')
 subprocess.call([
     'download_from_google_storage',
     '--no_resume',
     '--no_auth',
     '--bucket', 'mojo',
     '--output', tgz_path,
     'material-design-icons/%s' % sha1,
 ])
 
 output_path = os.path.join(assets_dir, tgz_path)
 subprocess.call([
     'tar', '-xzf', output_path, '-C', assets_dir
 ])
 
 os.unlink(tgz_path)