build/zircon/read_zircon_binaries.py

#!/usr/bin/env fuchsia-vendored-python
# Copyright 2019 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 json
import os
import sys


def main():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        "--binaries-json", help="binaries.json file", required=True
    )
    parser.add_argument(
        "--root-build-dir", help="Root build directory", required=True
    )
    parser.add_argument(
        "--zircon-root-build-dir",
        help="Zircon root build directory",
        required=True,
    )
    args = parser.parse_args()

    with open(args.binaries_json) as f:
        binaries = json.load(f)

    # Modify labels and paths to be valid in the Fuchsia build instead of the Zircon build.
    for binary in binaries:
        binary["label"] = binary["label"].replace("//", "//zircon/")
        for path_prop in ["dist", "debug", "elf_build_id", "breakpad"]:
            if path_prop in binary:
                binary[path_prop] = os.path.relpath(
                    os.path.join(args.zircon_root_build_dir, binary[path_prop]),
                    args.root_build_dir,
                )

    json.dump(binaries, sys.stdout)

    return 0


if __name__ == "__main__":
    sys.exit(main())