return [step.command, ...step.args].map(shellQuote).join(" ");

}

function killQaScenarioWindowsProcessTree(pid: number | undefined, signal: NodeJS.Signals) {

if (pid === undefined) {

return false;

}

const args = ["/pid", String(pid), "/T"];

if (signal === "SIGKILL") {

args.push("/F");

}

try {

const killer = spawn("taskkill", args, {

stdio: "ignore",

windowsHide: true,

});

killer.on("error", () => undefined);

killer.unref();

return true;

} catch {

return false;

}

}

function runQaScenarioCommand(

execution: QaScenarioCommandExecution,

): Promise<QaScenarioCommandResult> {

// The process group may already be gone; fall back to the direct child.

}

}

if (!useProcessGroup && process.platform === "win32") {

if (killQaScenarioWindowsProcessTree(child.pid, signal)) {

return;

}

}

child.kill(signal);

};

const handleParentExit = () => {

signal,

...(timedOut ? { failureMessage: `${commandLabel()} timed out after ${timeoutMs}ms` } : {}),

};

if (timedOut && !useProcessGroup && (forceKillTimer || forceSettleTimer)) {

return;

}

if (isProcessGroupRunning()) {

if (!timedOut) {

signalChild("SIGTERM");