Files
ladybird/Meta/Linters/check_newlines_at_eof.py
Timothy Flynn 3f73528cad Meta: Move linter helpers to a subdirectory
Continuing some organization of the Meta directory. lint-ci.sh and
lint-commits.sh are left alone as "top-level" linters.
2026-04-23 07:31:19 -04:00

73 lines
2.2 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import re
import subprocess
import sys
RE_RELEVANT_FILE_EXTENSION = re.compile("\\.(cpp|h|mm|gml|html|js|css|sh|py|json|txt|cmake|gn|gni)$")
def should_check_file(filename):
if not RE_RELEVANT_FILE_EXTENSION.search(filename):
return False
if filename.startswith("Tests/LibWeb/Crash/"):
return False
if filename.startswith("Tests/LibWeb/CSSTokenizer/"):
return False
if filename.startswith("Tests/LibWeb/Layout/"):
return False
if filename.startswith("Tests/LibWeb/Ref/"):
return False
if filename.startswith("Tests/LibWeb/Screenshot/"):
return False
if filename.startswith("Tests/LibWeb/Text/"):
return False
if filename.startswith("Meta/CMake/vcpkg/overlay-ports/"):
return False
if filename.endswith(".txt"):
return "CMake" in filename
return True
def find_files_here_or_argv():
if len(sys.argv) > 1:
raw_list = sys.argv[1:]
else:
process = subprocess.run(["git", "ls-files"], check=True, capture_output=True)
raw_list = process.stdout.decode().strip("\n").split("\n")
return filter(should_check_file, raw_list)
def run():
"""Check files checked in to git for trailing newlines at end of file."""
no_newline_at_eof_errors = []
whitespace_at_eof_errors = []
for filename in find_files_here_or_argv():
with open(filename, "r", newline="") as f:
content = f.read()
if not content.endswith("\n"):
no_newline_at_eof_errors.append(filename)
continue
stripped = content.rstrip()
trailing_whitespace = len(content) - len(stripped)
if trailing_whitespace > 1:
whitespace_at_eof_errors.append(filename)
if no_newline_at_eof_errors:
print("Files with no newline at the end:", " ".join(no_newline_at_eof_errors))
if whitespace_at_eof_errors:
print("Files that have whitespace at the end:", " ".join(whitespace_at_eof_errors))
if no_newline_at_eof_errors or whitespace_at_eof_errors:
sys.exit(1)
if __name__ == "__main__":
os.chdir(os.path.dirname(__file__) + "/../..")
run()