Installs pre-commit hooks for OCaml projects that run dune fmt automatically
Add pre-commit hook files
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.hooks/remove-claude-lines.py
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.hooks/remove-claude-lines.py
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#!/usr/bin/env python3
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import sys
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import re
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def has_emoji(text):
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# Unicode ranges for emojis
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emoji_pattern = re.compile(
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"["
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"\U0001F600-\U0001F64F" # emoticons
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"\U0001F300-\U0001F5FF" # symbols & pictographs
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"\U0001F680-\U0001F6FF" # transport & map symbols
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"\U0001F1E0-\U0001F1FF" # flags (iOS)
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"\U00002702-\U000027B0" # dingbats
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"\U000024C2-\U0001F251"
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"]+", flags=re.UNICODE)
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return bool(emoji_pattern.search(text))
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def main():
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commit_msg_file = sys.argv[1]
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with open(commit_msg_file, 'r', encoding='utf-8') as f:
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lines = f.readlines()
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# Check for emojis in the commit message
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commit_text = ''.join(lines)
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if has_emoji(commit_text):
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print("Error: Commit message contains emojis, which are not allowed.", file=sys.stderr)
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return 1
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filtered_lines = [line for line in lines if 'claude' not in line.lower()]
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with open(commit_msg_file, 'w', encoding='utf-8') as f:
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f.writelines(filtered_lines)
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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.pre-commit-config.yaml
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.pre-commit-config.yaml
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repos:
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- repo: local
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hooks:
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- id: dune-format
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name: Auto format with dune
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entry: dune fmt --auto
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language: system
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files: \.(ml|mli|mll|mly)$
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stages: [pre-commit]
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pass_filenames: false
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- id: remove-claude-attribution
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name: Remove Claude attribution from commit message
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entry: python3 .hooks/remove-claude-lines.py
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language: system
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stages: [commit-msg]