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"""Format C code according to QMK's style.
"""
import os
import subprocess
from shutil import which
from milc import cli
@cli.argument('files', nargs='*', arg_only=True, help='Filename(s) to format.')
@cli.subcommand("Format C code according to QMK's style.")
def cformat(cli):
"""Format C code according to QMK's style.
"""
# Determine which version of clang-format to use
clang_format = ['clang-format', '-i']
for clang_version in [10, 9, 8, 7]:
binary = 'clang-format-%d' % clang_version
if which(binary):
clang_format[0] = binary
break
# Find the list of files to format
if cli.args.files:
cli.args.files = [os.path.join(os.environ['ORIG_CWD'], file) for file in cli.args.files]
else:
ignores = ['tmk_core/protocol/usb_hid', 'quantum/template']
for dir in ['drivers', 'quantum', 'tests', 'tmk_core']:
for dirpath, dirnames, filenames in os.walk(dir):
if any(i in dirpath for i in ignores):
dirnames.clear()
continue
for name in filenames:
if name.endswith(('.c', '.h', '.cpp')):
cli.args.files.append(os.path.join(dirpath, name))
# Run clang-format on the files we've found
try:
subprocess.run(clang_format + cli.args.files, check=True)
cli.log.info('Successfully formatted the C code.')
except subprocess.CalledProcessError:
cli.log.error('Error formatting C code!')
return False
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