65 lines
2.7 KiB
Python
65 lines
2.7 KiB
Python
"""Format C code according to QMK's style.
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"""
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import subprocess
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from shutil import which
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from milc import cli
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import qmk.path
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def cformat_run(files, all_files):
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"""Spawn clang-format subprocess with proper arguments
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"""
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# Determine which version of clang-format to use
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clang_format = ['clang-format', '-i']
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for clang_version in [10, 9, 8, 7]:
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binary = 'clang-format-%d' % clang_version
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if which(binary):
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clang_format[0] = binary
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break
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try:
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if not files:
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cli.log.warn('No changes detected. Use "qmk cformat -a" to format all files')
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return False
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if files and all_files:
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cli.log.warning('Filenames passed with -a, only formatting: %s', ','.join(cli.args.files))
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# 3.6+: Can remove the str casting, python will cast implicitly
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subprocess.run(clang_format + [str(file) for file in files], check=True)
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cli.log.info('Successfully formatted the C code.')
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except subprocess.CalledProcessError:
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cli.log.error('Error formatting C code!')
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return False
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@cli.argument('-a', '--all-files', arg_only=True, action='store_true', help='Format all core files.')
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@cli.argument('-b', '--base-branch', default='origin/master', help='Branch to compare to diffs to.')
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@cli.argument('files', nargs='*', arg_only=True, help='Filename(s) to format.')
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@cli.subcommand("Format C code according to QMK's style.")
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def cformat(cli):
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"""Format C code according to QMK's style.
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"""
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# Empty array for files
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files = []
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# Core directories for formatting
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core_dirs = ['drivers', 'quantum', 'tests', 'tmk_core']
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ignores = ['tmk_core/protocol/usb_hid', 'quantum/template']
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# Find the list of files to format
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if cli.args.files:
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files.extend(qmk.path.normpath(file) for file in cli.args.files)
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# If -a is specified
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elif cli.args.all_files:
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all_files = qmk.path.c_source_files(core_dirs)
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# The following statement checks each file to see if the file path is in the ignored directories.
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files.extend(file for file in all_files if not any(i in str(file) for i in ignores))
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# No files specified & no -a flag
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else:
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base_args = ['git', 'diff', '--name-only', cli.args.base_branch]
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out = subprocess.run(base_args + core_dirs, check=True, stdout=subprocess.PIPE)
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changed_files = filter(None, out.stdout.decode('UTF-8').split('\n'))
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filtered_files = [qmk.path.normpath(file) for file in changed_files if not any(i in file for i in ignores)]
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files.extend(file for file in filtered_files if file.exists() and file.suffix in ['.c', '.h', '.cpp'])
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# Run clang-format on the files we've found
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cformat_run(files, cli.args.all_files)
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