Function getDevcontainerContainerName

src/node/runtime/devcontainerCli.ts:509–544

(
  workspaceFolder: string,
  timeoutMs = 10_000
)

 * The devcontainer CLI only returns container ID, so we query Docker directly.
 */
export async function getDevcontainerContainerName(
  workspaceFolder: string,
  timeoutMs = 10_000
): Promise<string | null> {
  // The devcontainer CLI labels containers with the workspace folder path
  const labelValue = workspaceFolder;

  return new Promise((resolve) => {
    const proc = spawn(
      "docker",
      ["ps", "--format", "{{.Names}}", "--filter", `label=devcontainer.local_folder=${labelValue}`],
      {
        stdio: ["ignore", "pipe", "pipe"],
        timeout: timeoutMs,
      }
    );

    let stdout = "";
    proc.stdout?.on("data", (data: Buffer) => {
      stdout += data.toString();
    });

    proc.on("error", () => {
      resolve(null);
    });

    proc.on("close", (code) => {
      if (code === 0 && stdout.trim()) {
        // Return first container name (there should only be one)
        resolve(stdout.trim().split("\n")[0]);
      } else {
        resolve(null);
      }
    });
  });
}

export async function stopDevcontainer(workspacePath: string): Promise<DevcontainerStopResult> {
  const labelValue = workspacePath;