src/developer/ffx/build/hermetic_inputs_for_ffx.py

#!/usr/bin/env fuchsia-vendored-python
# 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.

import argparse
import json
import sys
from typing import List


def main() -> int:
    parser = argparse.ArgumentParser(
        description="Generate a hermetic inputs file for ffx_action by reading the sdk"
        "manifest and generating a list of all the files that are mentioned"
    )
    parser.add_argument(
        "--sdk-manifest",
        type=argparse.FileType("r"),
        help="The path to the SDK manifest",
    )
    parser.add_argument(
        "--additional-hermetic-inputs",
        type=argparse.FileType("r"),
        help="The path to another hermetic inputs file to merge in",
    )
    parser.add_argument(
        "--output",
        required=True,
        help="The path to the hermetic inputs file to write",
    )
    args = parser.parse_args()

    inputs = []
    if args.sdk_manifest:
        sdk_manifest = json.load(args.sdk_manifest)
        sdk_atoms = sdk_manifest.get("atoms", [])
        for atom in sdk_atoms:
            files = atom.get("files", [])
            files = [entry["source"] for entry in files]
            inputs.extend(files)
    if args.additional_hermetic_inputs:
        additional_inputs = args.additional_hermetic_inputs.readlines()
        additional_inputs = [i.strip() for i in additional_inputs]
        inputs.extend(additional_inputs)
    with open(args.output, "w") as output:
        for input in inputs:
            output.write(input + "\n")
    return 0


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