Function downloadVersion

src/utils/nativeInstaller/download.ts:487–518

(
  version: string,
  stagingPath: string,
)

}

export async function downloadVersion(
  version: string,
  stagingPath: string,
): Promise<'npm' | 'binary'> {
  // Test-fixture versions route to the private sentinel bucket. DCE'd in all
  // shipped builds — the string 'claude-code-ci-sentinel' and the gcloud call
  // never exist in compiled binaries. Same gcloud-token pattern as
  // remoteSkillLoader.ts:175-195.
  if (feature('ALLOW_TEST_VERSIONS') && /^99\.99\./.test(version)) {
    const { stdout } = await execFileNoThrowWithCwd('gcloud', [
      'auth',
      'print-access-token',
    ])
    await downloadVersionFromBinaryRepo(
      version,
      stagingPath,
      'https://storage.googleapis.com/claude-code-ci-sentinel',
      { headers: { Authorization: `Bearer ${stdout.trim()}` } },
    )
    return 'binary'
  }

  if (process.env.USER_TYPE === 'ant') {
    // Use Artifactory for ant users
    await downloadVersionFromArtifactory(version, stagingPath)
    return 'npm'
  }

  // Use GCS for external users
  await downloadVersionFromBinaryRepo(version, stagingPath, GCS_BUCKET_URL)
  return 'binary'
}

// Exported for testing
export { StallTimeoutError, MAX_DOWNLOAD_RETRIES }