Chrome autotest build speedup

client/deps/chrome_test/chrome_test.py

 #!/usr/bin/python
 
 # Copyright (c) 2010 The Chromium OS 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 common, commands, logging, os
 from autotest_lib.client.bin import utils
 
 version = 1
 
 def setup(top_dir):
     if 'CHROME_ORIGIN' not in os.environ.keys() or \
        (os.environ['CHROME_ORIGIN'] != 'LOCAL_SOURCE' and
         os.environ['CHROME_ORIGIN'] != 'SERVER_SOURCE'):
         logging.info('Skipping Chrome test resource setup for non-local builds')
         return
 
     chrome_test_files = os.environ['SYSROOT'] + '/usr/local/autotest-chrome'
     logging.info('Configuring chrome test resources in %s' % top_dir)
     testsrc_dir = top_dir + '/test_src'
 
     # Copy test build outputs.
-    utils.run('cp -r %s %s' % (chrome_test_files, testsrc_dir))
+    utils.run('cp -ral %s %s' % (chrome_test_files, testsrc_dir))

[davidjames, 2010/08/11 21:09:57]

From the docs for cp, -a is the "same as -dpR". So the -r here is not needed,
but -a and -l are needed.

 
 
 pwd = os.getcwd()
 utils.update_version(pwd + '/src', False, version, setup, pwd)