| #!/usr/bin/env python3.8 |
| # Copyright 2021 The Fuchsia Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import argparse |
| import shutil |
| import subprocess |
| |
| # Runs a specified formatter to reformat a golden file. |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument('--source', help='Source file to format', required=True) |
| parser.add_argument( |
| '--output', help='Path to emit the formatted output to', required=True) |
| parser.add_argument( |
| '--formatter', help='Executable to reformat golden files') |
| parser.add_argument( |
| 'formatter_args', |
| nargs='*', |
| help='Args to pass to the formatter, passed as positional arguments') |
| args = parser.parse_args() |
| |
| if not args.formatter: |
| shutil.copyfile(args.source, args.output) |
| return |
| |
| cmd = [args.formatter] + args.formatter_args |
| with open(args.source) as infile, open(args.output, 'w') as outfile: |
| subprocess.run(cmd, stdin=infile, stdout=outfile) |
| |
| |
| if __name__ == '__main__': |
| main() |
