Function resolveSSHConfigWritePath

src/node/runtime/muxSshConfigWriter.ts:147–173

(sshConfigPath: string)

}

async function resolveSSHConfigWritePath(sshConfigPath: string): Promise<string> {
  try {
    const stats = await fs.lstat(sshConfigPath);
    if (!stats.isSymbolicLink()) {
      return sshConfigPath;
    }

    try {
      // Fast path: realpath follows full chain when target exists.
      return await fs.realpath(sshConfigPath);
    } catch (error) {
      if ((error as NodeJS.ErrnoException | undefined)?.code === "ENOENT") {
        // Dangling symlink: target doesn't exist yet.
        // Manually follow the chain to find the intended write target.
        return await followSymlinkChain(sshConfigPath);
      }
      throw error;
    }
  } catch (error) {
    if ((error as NodeJS.ErrnoException | undefined)?.code === "ENOENT") {
      // Path itself doesn't exist (not even as a symlink).
      return sshConfigPath;
    }

    throw error;
  }
}

async function loadSSHConfigContent(
  sshConfigPath: string