mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-08-17 09:20:28 +03:00
de581ca5fd
This speeds up the script from about 120ms down to about 20ms for reasonably common changesets. 100ms may not feel like much, but it adds up quickly, especially since we run a dozen scripts during pre-commit.
76 lines
2.2 KiB
Python
Executable File
76 lines
2.2 KiB
Python
Executable File
#!/usr/bin/env python3
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import os
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import re
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import subprocess
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import sys
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RE_RELEVANT_FILE_EXTENSION = re.compile('\\.(cpp|h|gml|html|js|css|sh|py|json|txt)$')
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def should_check_file(filename):
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if not RE_RELEVANT_FILE_EXTENSION.search(filename):
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return False
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if filename.startswith('Userland/Libraries/LibCodeComprehension/Cpp/Tests/'):
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return False
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if filename.startswith('Userland/Libraries/LibCpp/Tests/parser/'):
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return False
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if filename.startswith('Userland/Libraries/LibCpp/Tests/preprocessor/'):
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return False
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if filename == 'Kernel/FileSystem/ext2_fs.h':
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return False
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if filename.endswith('.txt'):
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return 'CMake' in filename
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return True
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def find_files_here_or_argv():
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if len(sys.argv) > 1:
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raw_list = sys.argv[1:]
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else:
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process = subprocess.run(["git", "ls-files"], check=True, capture_output=True)
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raw_list = process.stdout.decode().strip('\n').split('\n')
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return filter(should_check_file, raw_list)
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def run():
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"""Check files checked in to git for trailing newlines at end of file."""
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no_newline_at_eof_errors = []
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blank_lines_at_eof_errors = []
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did_fail = False
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for filename in find_files_here_or_argv():
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with open(filename, "r") as f:
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f.seek(0, os.SEEK_END)
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f.seek(f.tell() - 1, os.SEEK_SET)
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if f.read(1) != '\n':
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did_fail = True
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no_newline_at_eof_errors.append(filename)
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continue
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while True:
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f.seek(f.tell() - 2, os.SEEK_SET)
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char = f.read(1)
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if not char.isspace():
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break
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if char == '\n':
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did_fail = True
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blank_lines_at_eof_errors.append(filename)
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break
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if no_newline_at_eof_errors:
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print("Files with no newline at the end:", " ".join(no_newline_at_eof_errors))
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if blank_lines_at_eof_errors:
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print("Files that have blank lines at the end:", " ".join(blank_lines_at_eof_errors))
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if did_fail:
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sys.exit(1)
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if __name__ == '__main__':
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os.chdir(os.path.dirname(__file__) + "/..")
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run()
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