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check also directories in check_case_conflict

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fix #70
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Krystian Chmura 2021-03-19 00:59:31 +01:00 • committed by Anthony Sottile
parent 3db0cc5b2e
commit f681234a0e
2 changed files with 75 additions and 0 deletions
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15
pre_commit_hooks/check_case_conflict.py
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@ -1,5 +1,7 @@
import argparse
import os.path
from typing import Iterable
from typing import Iterator
from typing import Optional
from typing import Sequence
from typing import Set
@ -12,9 +14,22 @@ def lower_set(iterable: Iterable[str]) -> Set[str]:
return {x.lower() for x in iterable}
def parents(file: str) -> Iterator[str]:
file = os.path.dirname(file)
while file:
yield file
file = os.path.dirname(file)
def directories_for(files: Set[str]) -> Set[str]:
return {parent for file in files for parent in parents(file)}
def find_conflicting_filenames(filenames: Sequence[str]) -> int:
repo_files = set(cmd_output('git', 'ls-files').splitlines())
repo_files |= directories_for(repo_files)
relevant_files = set(filenames) | added_files()
relevant_files |= directories_for(relevant_files)
repo_files -= relevant_files
retv = 0