Function buildSpawnCommand

src/node/runtime/backgroundCommands.ts:106–115

(options: SpawnCommandOptions)

 * Returns PID via echo. With set -m, PID === PGID (process is its own group leader).
 */
export function buildSpawnCommand(options: SpawnCommandOptions): string {
  const bash = options.bashPath ?? "bash";
  const quotePath = options.quotePath ?? shellQuote;

  return (
    `(set -m; nohup ${shellQuote(bash)} -c ${shellQuote(options.wrapperScript)} ` +
    `> ${quotePath(options.outputPath)} 2>&1 ` +
    `< /dev/null & echo $!)`
  );
}

/**
 * Build the terminate command for killing a process group.