Function hydrateRemoteSession

source code/utils/sessionStorage.ts:1589–1624

(
  sessionId: string,
  ingressUrl: string,
)

}

export async function hydrateRemoteSession(
  sessionId: string,
  ingressUrl: string,
): Promise<boolean> {
  switchSession(asSessionId(sessionId))

  const project = getProject()

  try {
    const remoteLogs =
      (await sessionIngress.getSessionLogs(sessionId, ingressUrl)) || []

    // Ensure the project directory and session file exist
    const projectDir = getProjectDir(getOriginalCwd())
    await mkdir(projectDir, { recursive: true, mode: 0o700 })

    const sessionFile = getTranscriptPathForSession(sessionId)

    // Replace local logs with remote logs. writeFile truncates, so no
    // unlink is needed; an empty remoteLogs array produces an empty file.
    const content = remoteLogs.map(e => jsonStringify(e) + '\n').join('')
    await writeFile(sessionFile, content, { encoding: 'utf8', mode: 0o600 })

    logForDebugging(`Hydrated ${remoteLogs.length} entries from remote`)
    return remoteLogs.length > 0
  } catch (error) {
    logForDebugging(`Error hydrating session from remote: ${error}`)
    logForDiagnosticsNoPII('error', 'hydrate_remote_session_fail')
    return false
  } finally {
    // Set remote ingress URL after hydrating the remote session
    // to ensure we've always synced with the remote session
    // prior to enabling persistence
    project.setRemoteIngressUrl(ingressUrl)
  }
}

/**
 * Hydrate session state from CCR v2 internal events.