blob: 33a13f1b94709a6c756ef46ead60eb9b1ade2efb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
from __future__ import annotations
import argparse
from typing import Iterable
from typing import Iterator
from typing import Sequence
from pre_commit_hooks.util import added_files
from pre_commit_hooks.util import cmd_output
def lower_set(iterable: Iterable[str]) -> set[str]:
return {x.lower() for x in iterable}
def parents(file: str) -> Iterator[str]:
path_parts = file.split('/')
path_parts.pop()
while path_parts:
yield '/'.join(path_parts)
path_parts.pop()
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
# new file conflicts with existing file
conflicts = lower_set(repo_files) & lower_set(relevant_files)
# new file conflicts with other new file
lowercase_relevant_files = lower_set(relevant_files)
for filename in set(relevant_files):
if filename.lower() in lowercase_relevant_files:
lowercase_relevant_files.remove(filename.lower())
else:
conflicts.add(filename.lower())
if conflicts:
conflicting_files = [
x for x in repo_files | relevant_files
if x.lower() in conflicts
]
for filename in sorted(conflicting_files):
print(f'Case-insensitivity conflict found: {filename}')
retv = 1
return retv
def main(argv: Sequence[str] | None = None) -> int:
parser = argparse.ArgumentParser()
parser.add_argument(
'filenames', nargs='*',
help='Filenames pre-commit believes are changed.',
)
args = parser.parse_args(argv)
return find_conflicting_filenames(args.filenames)
if __name__ == '__main__':
raise SystemExit(main())
|
