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71 lines
2.4 KiB
Python
Executable File
71 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import functools
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import os
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from pprint import pprint
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import re
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import subprocess
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import sys
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class ValidationError(Exception): pass
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def check_output(cmd, expect_process_error=False):
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try:
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return subprocess.check_output(cmd)
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except Exception as e:
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if not expect_process_error or not isinstance(e, subprocess.CalledProcessError):
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print('Exception while running cmd %s' % (cmd,))
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raise
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def changes():
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return check_output(('git', 'diff', '--no-ext-diff', '--cached', '-U0'))
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def toplevel():
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return check_output(('git', 'rev-parse', '--show-toplevel')).strip(b'\n').decode('utf-8')
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def toList(fn):
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return functools.wraps(fn)(lambda *args, **kwargs: list(fn(*args, **kwargs)))
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top = toplevel()
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clangformat = "/usr/local/clang_3_6_0/bin/clang-format"
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### CLANG-FORMAT BEGIN
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if os.path.exists(os.path.join(top, '.clang-format')):
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reformatted_files = []
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files_had_unstaged_edits = []
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for filename in check_output(['git', 'diff-index', '--cached', '--name-only', 'HEAD']).decode('utf-8').splitlines():
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if any(filename.endswith(ext) for ext in ('.cpp', '.h', '.hpp')):
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file_path = os.path.join(top, filename)
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with open(file_path, 'rb') as f:
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staged = f.read()
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formatted = check_output([clangformat, file_path])
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if staged == formatted:
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continue
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try:
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check_output(['git', 'diff', '--exit-code', file_path], expect_process_error=True)
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except subprocess.CalledProcessError:
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files_had_unstaged_edits.append(filename)
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check_output([clangformat, '-i', file_path])
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try:
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check_output(['git', 'diff', '--exit-code', file_path], expect_process_error=True)
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except subprocess.CalledProcessError:
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reformatted_files.append(filename)
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if reformatted_files:
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print('These files were reformatted with clang-format, please stage the changes first:\n- %s'
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% '\n- '.join(reformatted_files), file=sys.stderr)
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if files_had_unstaged_edits:
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print('\nThese files had unstaged edits before clang-format reformatting. Please stage desired parts and confirm the commit again.\n- %s'
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% '\n- '.join(files_had_unstaged_edits), file=sys.stderr)
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if reformatted_files or files_had_unstaged_edits:
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exit(1)
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### CLANG-FORMAT END
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exit(0)
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