diff options
Diffstat (limited to 'lib/python/qmk/cli/cformat.py')
| -rw-r--r-- | lib/python/qmk/cli/cformat.py | 119 |
1 files changed, 90 insertions, 29 deletions
diff --git a/lib/python/qmk/cli/cformat.py b/lib/python/qmk/cli/cformat.py index d0d3b3b0a3..9333aaec4b 100644 --- a/lib/python/qmk/cli/cformat.py +++ b/lib/python/qmk/cli/cformat.py @@ -1,6 +1,7 @@ """Format C code according to QMK's style. """ import subprocess +from os import path from shutil import which from argcomplete.completers import FilesCompleter @@ -9,58 +10,118 @@ from milc import cli from qmk.path import normpath from qmk.c_parse import c_source_files +c_file_suffixes = ('c', 'h', 'cpp') +core_dirs = ('drivers', 'quantum', 'tests', 'tmk_core', 'platforms') +ignored = ('tmk_core/protocol/usb_hid', 'quantum/template', 'platforms/chibios') -def cformat_run(files, all_files): - """Spawn clang-format subprocess with proper arguments + +def find_clang_format(): + """Returns the path to clang-format. """ - # Determine which version of clang-format to use - clang_format = ['clang-format', '-i'] for clang_version in range(20, 6, -1): - binary = 'clang-format-%d' % clang_version + binary = f'clang-format-{clang_version}' + if which(binary): - clang_format[0] = binary - break + return binary + + return 'clang-format' + + +def find_diffs(files): + """Run clang-format and diff it against a file. + """ + found_diffs = False + + for file in files: + cli.log.debug('Checking for changes in %s', file) + clang_format = subprocess.Popen([find_clang_format(), file], stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True) + diff = cli.run(['diff', '-u', f'--label=a/{file}', f'--label=b/{file}', str(file), '-'], stdin=clang_format.stdout, capture_output=True) + + if diff.returncode != 0: + print(diff.stdout) + found_diffs = True + + return found_diffs + + +def cformat_run(files): + """Spawn clang-format subprocess with proper arguments + """ + # Determine which version of clang-format to use + clang_format = [find_clang_format(), '-i'] + try: - if not files: - cli.log.warn('No changes detected. Use "qmk cformat -a" to format all files') - return False - subprocess.run(clang_format + [file for file in files], check=True) + cli.run(clang_format + list(map(str, files)), check=True, capture_output=False) cli.log.info('Successfully formatted the C code.') + return True - except subprocess.CalledProcessError: + except subprocess.CalledProcessError as e: cli.log.error('Error formatting C code!') + cli.log.debug('%s exited with returncode %s', e.cmd, e.returncode) + cli.log.debug('STDOUT:') + cli.log.debug(e.stdout) + cli.log.debug('STDERR:') + cli.log.debug(e.stderr) return False -@cli.argument('-a', '--all-files', arg_only=True, action='store_true', help='Format all core files.') +def filter_files(files): + """Yield only files to be formatted and skip the rest + """ + for file in files: + if file.name.split('.')[-1] in c_file_suffixes: + yield file + else: + cli.log.debug('Skipping file %s', file) + + +@cli.argument('-n', '--dry-run', arg_only=True, action='store_true', help="Flag only, don't automatically format.") @cli.argument('-b', '--base-branch', default='origin/master', help='Branch to compare to diffs to.') -@cli.argument('files', nargs='*', arg_only=True, completer=FilesCompleter('.c'), help='Filename(s) to format.') +@cli.argument('-a', '--all-files', arg_only=True, action='store_true', help='Format all core files.') +@cli.argument('files', nargs='*', arg_only=True, type=normpath, completer=FilesCompleter('.c'), help='Filename(s) to format.') @cli.subcommand("Format C code according to QMK's style.", hidden=False if cli.config.user.developer else True) def cformat(cli): """Format C code according to QMK's style. """ - # Empty array for files - files = [] - # Core directories for formatting - core_dirs = ['drivers', 'quantum', 'tests', 'tmk_core', 'platforms'] - ignores = ['tmk_core/protocol/usb_hid', 'quantum/template', 'platforms/chibios'] # Find the list of files to format if cli.args.files: - files.extend(normpath(file) for file in cli.args.files) + files = list(filter_files(cli.args.files)) + + if not files: + cli.log.error('No C files in filelist: %s', ', '.join(map(str, cli.args.files))) + exit(0) + if cli.args.all_files: cli.log.warning('Filenames passed with -a, only formatting: %s', ','.join(map(str, files))) - # If -a is specified + elif cli.args.all_files: all_files = c_source_files(core_dirs) # The following statement checks each file to see if the file path is in the ignored directories. - files.extend(file for file in all_files if not any(i in str(file) for i in ignores)) - # No files specified & no -a flag + files = [file for file in all_files if not any(i in str(file) for i in ignored)] + else: - base_args = ['git', 'diff', '--name-only', cli.args.base_branch] - out = subprocess.run(base_args + core_dirs, check=True, stdout=subprocess.PIPE) - changed_files = filter(None, out.stdout.decode('UTF-8').split('\n')) - filtered_files = [normpath(file) for file in changed_files if not any(i in file for i in ignores)] - files.extend(file for file in filtered_files if file.exists() and file.suffix in ['.c', '.h', '.cpp']) + git_diff_cmd = ['git', 'diff', '--name-only', cli.args.base_branch, *core_dirs] + git_diff = cli.run(git_diff_cmd) + + if git_diff.returncode != 0: + cli.log.error("Error running %s", git_diff_cmd) + print(git_diff.stderr) + return git_diff.returncode + + files = [] + + for file in git_diff.stdout.strip().split('\n'): + if not any([file.startswith(ignore) for ignore in ignored]): + if path.exists(file) and file.split('.')[-1] in c_file_suffixes: + files.append(file) + + # Sanity check + if not files: + cli.log.error('No changed files detected. Use "qmk cformat -a" to format all files') + return False # Run clang-format on the files we've found - cformat_run(files, cli.args.all_files) + if cli.args.dry_run: + return not find_diffs(files) + else: + return cformat_run(files) |