| #!/usr/bin/env fuchsia-vendored-python |
| # Copyright 2017 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 errno |
| import json |
| import os |
| import shutil |
| import sys |
| |
| |
| def make_dir(path, is_dir=False): |
| """Creates the directory at `path`.""" |
| target = path if is_dir else os.path.dirname(path) |
| try: |
| os.makedirs(target) |
| except OSError as exception: |
| if exception.errno == errno.EEXIST and os.path.isdir(target): |
| pass |
| else: |
| raise |
| |
| |
| def force_symlink(target_path, link_path): |
| target_path = os.path.relpath(target_path, os.path.dirname(link_path)) |
| try: |
| os.symlink(target_path, link_path) |
| except OSError as e: |
| if e.errno == errno.EEXIST: |
| os.remove(link_path) |
| os.symlink(target_path, link_path) |
| else: |
| raise |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser() |
| parser.add_argument( |
| "--out-dir", |
| help="Path to the directory where to install the SDK", |
| required=True, |
| ) |
| parser.add_argument( |
| "--stamp-file", help="Path to the victory file", required=True |
| ) |
| parser.add_argument( |
| "--manifest", help="Path to the SDK's manifest file", required=True |
| ) |
| parser.add_argument("--depfile", help="Path to depfile", required=True) |
| args = parser.parse_args() |
| |
| # Remove any existing outputs. Manually removing all subdirectories and |
| # files instead of using shutil.rmtree, to avoid registering spurious reads |
| # on stale subdirectories. |
| if os.path.exists(args.out_dir): |
| for root, dirs, files in os.walk(args.out_dir, topdown=False): |
| for file in files: |
| os.unlink(os.path.join(root, file)) |
| for dir in dirs: |
| os.rmdir(os.path.join(root, dir)) |
| |
| with open(args.manifest, "r") as manifest_file: |
| mappings = [l.strip().split("=", 1) for l in manifest_file.readlines()] |
| |
| sources, destinations = [], [] |
| for dest, source in mappings: |
| destination = os.path.join(args.out_dir, dest) |
| make_dir(destination) |
| force_symlink(source, destination) |
| # Relative path required in depfile. |
| sources.append(os.path.relpath(source)) |
| destinations.append(destination) |
| |
| with open(args.stamp_file, "w") as stamp_file: |
| stamp_file.write("Now go use it\n") |
| |
| with open(args.depfile, "w") as depfile: |
| depfile.write( |
| "{} {}: {}\n".format( |
| args.stamp_file, " ".join(destinations), " ".join(sources) |
| ) |
| ) |
| |
| |
| if __name__ == "__main__": |
| sys.exit(main()) |