Function stat

src/node/runtime/RemoteRuntime.ts:501–532

* Get file statistics via exec. * Uses stat -L to follow symlinks (report target's type, not "symbolic link").

(filePath: string, abortSignal?: AbortSignal)

   * Uses stat -L to follow symlinks (report target's type, not "symbolic link").
   */
  async stat(filePath: string, abortSignal?: AbortSignal): Promise<FileStat> {
    const stream = await this.exec(`stat -L -c '%s %Y %F' ${this.quoteForRemote(filePath)}`, {
      cwd: this.getBasePath(),
      timeout: 10,
      abortSignal,
    });

    const [stdout, stderr, exitCode] = await Promise.all([
      streamToString(stream.stdout),
      streamToString(stream.stderr),
      stream.exitCode,
    ]);

    if (exitCode !== 0) {
      throw new RuntimeError(`Failed to stat ${filePath}: ${stderr}`, "file_io");
    }

    const parts = stdout.trim().split(" ");
    if (parts.length < 3) {
      throw new RuntimeError(`Failed to parse stat output for ${filePath}: ${stdout}`, "file_io");
    }

    const size = parseInt(parts[0], 10);
    const mtime = parseInt(parts[1], 10);
    const fileType = parts.slice(2).join(" ");

    return {
      size,
      modifiedTime: new Date(mtime * 1000),
      isDirectory: fileType === "directory",
    };
  }

  /**
   * Normalize path for comparison (POSIX semantics).