| #!/usr/bin/env python3 |
| # Copyright 2022 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. |
| """Copy the content of an existing source directory, relative to the Fuchsis source tree |
| to a Bazel repository, using hard-links if possible. This is to be invoked by a Bazel |
| repository rule. |
| """ |
| |
| import argparse |
| import os |
| import shutil |
| import sys |
| |
| _SCRIPT_DIR = os.path.dirname(__file__) |
| _FUCHSIA_DIR = os.path.abspath(os.path.join(_SCRIPT_DIR, '..', '..', '..')) |
| _SCRIPT_NAME = os.path.relpath(os.path.abspath(__file__), _FUCHSIA_DIR) |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument( |
| '--fuchsia-dir', help='Specify alternate Fuchsia root path.') |
| parser.add_argument( |
| 'source_dir', help='Source directory, relative to Fuchsia root path.') |
| parser.add_argument('destination_dir', help='Destination directory.') |
| args = parser.parse_args() |
| |
| if args.fuchsia_dir: |
| fuchsia_dir = os.path.abspath(fuchsia_dir) |
| else: |
| fuchsia_dir = _FUCHSIA_DIR |
| |
| src_dir = os.path.join(fuchsia_dir, args.source_dir) |
| dst_dir = os.path.abspath(args.destination_dir) |
| |
| if not os.path.exists(src_dir): |
| return parser.error('Source directory does not exist: ' + src_dir) |
| |
| # Using hard-links could fail due copying to a different mount point, |
| # so first try with hard links, then do a normal copy otherwise. |
| try: |
| shutil.copytree( |
| src_dir, dst_dir, copy_function=os.link, dirs_exist_ok=True) |
| except OSError as error: |
| shutil.copytree(src_dir, dst_dir, dirs_exist_ok=True) |
| |
| return 0 |
| |
| |
| if __name__ == "__main__": |
| sys.exit(main()) |
