3pp/go124/fetch.py

#!/usr/bin/env python3
# Copyright 2018 The Chromium Authors
# 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
import urllib.request

import packaging.version


# Go 1.25 require MacOS 12.
# Update after Fleet fleet drop support for MacOS 11 (2026-07-01).
def do_latest():
  print('1.24.13')
  return


def get_download_url(version, platform, kind):
  if kind == 'prebuilt':
    platform = platform.replace('mac', 'darwin')
    ext = '.zip' if platform.startswith('windows') else '.tar.gz'
    download_url = (
        'https://dl.google.com/go/go%(version)s.%(platform)s%(ext)s' % {
            'version': version,
            'platform': platform,
            'ext': ext
        })
  else:
    ext = '.tar.gz'
    download_url = ('https://dl.google.com/go/go%s.src.tar.gz' % (version,))

  partial_manifest = {
      'url': [download_url],
      'ext': ext,
  }
  print(json.dumps(partial_manifest))


def main():
  ap = argparse.ArgumentParser()
  ap.add_argument('kind', choices=('prebuilt', 'source'))

  sub = ap.add_subparsers(dest='action', required=True)

  latest = sub.add_parser('latest')
  latest.set_defaults(func=lambda _opts: do_latest())

  download = sub.add_parser('get_url')
  download.set_defaults(func=lambda opts: get_download_url(
      os.environ['_3PP_VERSION'], os.environ['_3PP_PLATFORM'], opts.kind))

  opts = ap.parse_args()
  return opts.func(opts)


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