mirror of
https://github.com/klzgrad/naiveproxy.git
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112 lines
3.0 KiB
Python
112 lines
3.0 KiB
Python
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#!/usr/bin/env python
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# Copyright 2017 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Updates the Fuchsia SDK to the given revision. Should be used in a 'hooks_os'
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entry so that it only runs when .gclient's target_os includes 'fuchsia'."""
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import os
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import shutil
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import subprocess
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import sys
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import tarfile
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import tempfile
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SDK_HASH_FILE = os.path.join(os.path.dirname(__file__), 'sdk.sha1')
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REPOSITORY_ROOT = os.path.abspath(os.path.join(
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os.path.dirname(__file__), '..', '..'))
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sys.path.append(os.path.join(REPOSITORY_ROOT, 'build'))
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import find_depot_tools
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SDK_SUBDIRS = ["arch", "pkg", "qemu", "sysroot", "target",
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"toolchain_libs", "tools"]
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def EnsureDirExists(path):
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if not os.path.exists(path):
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print 'Creating directory %s' % path
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os.makedirs(path)
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# Removes previous SDK from the specified path if it's detected there.
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def Cleanup(path):
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hash_file = os.path.join(path, '.hash')
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if os.path.exists(hash_file):
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print 'Removing old SDK from %s.' % path
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for d in SDK_SUBDIRS:
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to_remove = os.path.join(path, d)
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if os.path.isdir(to_remove):
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shutil.rmtree(to_remove)
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os.remove(hash_file)
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# Updates the modification timestamps of |path| and its contents to the
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# current time.
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def UpdateTimestampsRecursive(path):
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for root, dirs, files in os.walk(path):
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for f in files:
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os.utime(os.path.join(root, f), None)
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for d in dirs:
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os.utime(os.path.join(root, d), None)
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def main():
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if len(sys.argv) != 1:
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print >>sys.stderr, 'usage: %s' % sys.argv[0]
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return 1
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# Previously SDK was unpacked in //third_party/fuchsia-sdk instead of
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# //third_party/fuchsia-sdk/sdk . Remove the old files if they are still
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# there.
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Cleanup(os.path.join(REPOSITORY_ROOT, 'third_party', 'fuchsia-sdk'))
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with open(SDK_HASH_FILE, 'r') as f:
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sdk_hash = f.read().strip()
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if not sdk_hash:
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print >>sys.stderr, 'No SHA1 found in %s' % SDK_HASH_FILE
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return 1
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output_dir = os.path.join(REPOSITORY_ROOT, 'third_party', 'fuchsia-sdk',
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'sdk')
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hash_filename = os.path.join(output_dir, '.hash')
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if os.path.exists(hash_filename):
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with open(hash_filename, 'r') as f:
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if f.read().strip() == sdk_hash:
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# Nothing to do.
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return 0
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print 'Downloading SDK %s...' % sdk_hash
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if os.path.isdir(output_dir):
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shutil.rmtree(output_dir)
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fd, tmp = tempfile.mkstemp()
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os.close(fd)
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try:
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bucket = 'gs://fuchsia/sdk/linux-amd64/'
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cmd = [os.path.join(find_depot_tools.DEPOT_TOOLS_PATH, 'gsutil.py'),
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'cp', bucket + sdk_hash, tmp]
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subprocess.check_call(cmd)
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with open(tmp, 'rb') as f:
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EnsureDirExists(output_dir)
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tarfile.open(mode='r:gz', fileobj=f).extractall(path=output_dir)
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finally:
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os.remove(tmp)
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with open(hash_filename, 'w') as f:
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f.write(sdk_hash)
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UpdateTimestampsRecursive(output_dir)
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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