71 lines
2.7 KiB
Python
71 lines
2.7 KiB
Python
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# Copyright 2019 The Dawn Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse, glob, os, sys
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def check_in_subdirectory(path, directory):
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return path.startswith(directory) and not '/' in path[len(directory):]
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def check_is_allowed(path, allowed_dirs):
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return any(check_in_subdirectory(path, directory) for directory in allowed_dirs)
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def get_all_files_in_dir(find_directory):
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result = []
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for (directory, _, files) in os.walk(find_directory):
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result += [os.path.join(directory, filename) for filename in files]
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return result
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def run():
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# Parse command line arguments
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parser = argparse.ArgumentParser(
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description = "Removes stale autogenerated files from gen/ directories."
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)
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parser.add_argument('--root-dir', type=str, help='The root directory, all other paths in files are relative to it.')
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parser.add_argument('--allowed-output-dirs-file', type=str, help='The file containing a list of allowed directories')
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parser.add_argument('--stale-dirs-file', type=str, help='The file containing a list of directories to check for stale files')
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parser.add_argument('--stamp', type=str, help='A stamp written once this script completes')
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args = parser.parse_args()
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root_dir = args.root_dir
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stamp_file = args.stamp
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# Load the list of allowed and stale directories
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with open(args.allowed_output_dirs_file) as f:
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allowed_dirs = set([os.path.join(root_dir, line.strip()) for line in f.readlines()])
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for directory in allowed_dirs:
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if not directory.endswith('/'):
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print('Allowed directory entry "{}" doesn\'t end with /'.format(directory))
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return 1
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with open(args.stale_dirs_file) as f:
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stale_dirs = set([line.strip() for line in f.readlines()])
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# Remove all files in stale dirs that aren't in the allowed dirs.
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for stale_dir in stale_dirs:
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stale_dir = os.path.join(root_dir, stale_dir)
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for candidate in get_all_files_in_dir(stale_dir):
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if not check_is_allowed(candidate, allowed_dirs):
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os.remove(candidate)
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# Finished! Write the stamp file so ninja knows to not run this again.
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with open(stamp_file, "w") as f:
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f.write("")
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return 0
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if __name__ == "__main__":
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sys.exit(run())
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