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43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
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# Copyright 2016 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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import os
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import shutil
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import sys
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# Ensures that the current version matches the last-produced version, which is
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# stored in the version_file. If it does not, then the framework_root_dir is
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# obliterated.
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# Usage: python prepare_framework_version.py out/obj/version_file \
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# out/Framework.framework \
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# 'A'
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def PrepareFrameworkVersion(version_file, framework_root_dir, version):
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# Test what the current framework version is. Stop if it is up-to-date.
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try:
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with open(version_file, 'r') as f:
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current_version = f.read()
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if current_version == version:
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return
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except IOError:
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pass
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# The framework version has changed, so clobber the framework.
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if os.path.exists(framework_root_dir):
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shutil.rmtree(framework_root_dir)
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# Write out the new framework version file, making sure its containing
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# directory exists.
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dirname = os.path.dirname(version_file)
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if not os.path.isdir(dirname):
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os.makedirs(dirname, 0700)
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with open(version_file, 'w+') as f:
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f.write(version)
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if __name__ == '__main__':
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PrepareFrameworkVersion(sys.argv[1], sys.argv[2], sys.argv[3])
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sys.exit(0)
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