82 lines
2.4 KiB
Python
Executable File
82 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2020 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import re
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import sys
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file_names = set()
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def parse_input(input_file):
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global file_names
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while True:
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line_buffer = input_file.readline()
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if not line_buffer:
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break
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line_match = re.search(r"^\s*---\s+([^\s@]+)[\s@]+", line_buffer)
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if not line_match:
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line_match = re.search(r"^\s*\+\+\+\s+([^\s@]+)[\s@]+",
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line_buffer)
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if line_match:
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curr_file_name = line_match.group(1)
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# trim off 'a/' and 'b/' that you will normally see in git output
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#
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if len(curr_file_name) > 2 and curr_file_name[1] == '/' and (
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curr_file_name[0] == 'a' or curr_file_name[0] == 'b'):
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curr_file_name = curr_file_name[2:]
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file_names.add(curr_file_name)
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def prune_unwanted_names():
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global file_names
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unwanted_names = set(['/dev/null'])
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for curr_file_name in file_names:
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# ignore files that end in '.orig' as long as non-.orig exists
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line_match = re.search(r"^(.+)\.[oO][Rr][iI][gG]$", curr_file_name)
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if line_match and line_match.group(1) in file_names:
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unwanted_names.add(curr_file_name)
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continue
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file_names -= unwanted_names
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def print_file_names():
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for name in sorted(file_names):
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print(name)
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if __name__ == '__main__':
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if len(sys.argv) == 1:
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parse_input(sys.stdin)
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else:
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for curr_input_name in sys.argv[1:]:
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try:
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with open(curr_input_name, 'r') as curr_input_file:
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parse_input(curr_input_file)
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except IOError as e_str:
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sys.stderr.write(
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"Cannot open {}: {}\n".format(curr_input_name, e_str))
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sys.exit(255)
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prune_unwanted_names()
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print_file_names()
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