49 lines
2 KiB
Python
Executable file
49 lines
2 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright 2020 Google LLC
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#
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# Licensed under the the Apache License v2.0 with LLVM Exceptions (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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# https://llvm.org/LICENSE.txt
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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
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import logging
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import re
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import sys
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import pathspec
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def remove_ignored(diff_lines, ignore_patterns_lines):
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logging.debug(f'ignore pattern {ignore_patterns_lines}')
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ignore = pathspec.PathSpec.from_lines(pathspec.patterns.GitWildMatchPattern, ignore_patterns_lines)
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good = True
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result = []
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for line in diff_lines:
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match = re.search(r'^diff --git (.*) (.*)$', line)
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if match:
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good = not (ignore.match_file(match.group(1)) and ignore.match_file(match.group(2)))
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if not good:
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logging.debug(f'skip {line.rstrip()}')
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continue
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result.append(line)
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return result
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if __name__ == "__main__":
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# Maybe FIXME: Replace this tool usage with flags for tidy/format, use paths relative to `__file__`
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parser = argparse.ArgumentParser(description='Takes an output of git diff and removes files ignored by patten '
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'specified by ignore file')
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parser.add_argument('ignore_config', default=None,
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help='path to file with patters of files to ignore')
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parser.add_argument('--log-level', type=str, default='WARNING')
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args = parser.parse_args()
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logging.basicConfig(level=args.log_level)
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filtered = remove_ignored([x for x in sys.stdin], open(args.ignore_config, 'r').readlines())
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for x in filtered:
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sys.stdout.write(x)
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