| #!/usr/bin/env python3 |
| # 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. |
| """ |
| Updates the Fuchsia platform version. |
| """ |
| |
| import argparse |
| import json |
| import os |
| import sys |
| import json |
| import secrets |
| |
| PLATFORM_VERSION_PATH = "build/config/fuchsia/platform_version.json" |
| VERSION_HISTORY_PATH = "sdk/version_history.json" |
| |
| |
| def update_platform_version(fuchsia_api_level): |
| """Updates platform_version.json to set the current_fuchsia_api_level to the given |
| Fuchsia API level. |
| """ |
| try: |
| with open(PLATFORM_VERSION_PATH, "w") as f: |
| json.dump(fuchsia_api_level, f) |
| except FileNotFoundError: |
| print( |
| """error: Unable to open '{path}'. |
| Did you run this script from the root of the source tree?""".format( |
| path=PLATFORM_VERSION_PATH), |
| file=sys.stderr) |
| return False |
| |
| |
| def generate_random_abi_revision(): |
| """Generates a random ABI revision. |
| |
| ABI revisions are hex encodings of 64-bit, unsigned integeres. |
| """ |
| return '0x{abi_revision}'.format(abi_revision=secrets.token_hex(8).upper()) |
| |
| |
| def update_version_history(fuchsia_api_level): |
| """Updates version_history.json to include the given Fuchsia API level. |
| |
| The ABI revision for this API level is set to a new random value that has not |
| been used before. |
| """ |
| try: |
| with open(VERSION_HISTORY_PATH, "r+") as f: |
| version_history = json.load(f) |
| versions = version_history['data']['versions'] |
| if [version for version in versions |
| if version['api_level'] == str(fuchsia_api_level)]: |
| print( |
| "error: Fuchsia API level {fuchsia_api_level} is already defined." |
| .format(fuchsia_api_level=fuchsia_api_level), |
| file=sys.stderr) |
| return False |
| abi_revision = generate_random_abi_revision() |
| while [version for version in versions |
| if version['abi_revision'] == abi_revision]: |
| abi_revision = generate_random_abi_revision() |
| versions.append( |
| { |
| 'api_level': str(fuchsia_api_level), |
| 'abi_revision': abi_revision, |
| }) |
| f.seek(0) |
| json.dump(version_history, f, indent=4) |
| f.truncate() |
| return True |
| except FileNotFoundError: |
| print( |
| """error: Unable to open '{path}'. |
| Did you run this script from the root of the source tree?""".format( |
| path=VERSION_HISTORY_PATH), |
| file=sys.stderr) |
| return False |
| |
| |
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument("--fuchsia-api-level", type=int, required=True) |
| args = parser.parse_args() |
| |
| if not update_version_history(args.fuchsia_api_level): |
| return 1 |
| |
| if not update_platform_version(args.fuchsia_api_level): |
| return 1 |
| |
| return 0 |
| |
| |
| if __name__ == "__main__": |
| sys.exit(main()) |