Function handleAutoUpdate

packages/cli/src/utils/handleAutoUpdate.ts:16–78

(
  info: UpdateObject | null,
  settings: LoadedSettings,
  projectRoot: string,
  spawnFn: typeof spawn = spawnWrapper,
)

import { spawn } from 'child_process';

export async function handleAutoUpdate(
  info: UpdateObject | null,
  settings: LoadedSettings,
  projectRoot: string,
  spawnFn: typeof spawn = spawnWrapper,
) {
  if (!info) {
    return;
  }

  if (settings.merged.disableUpdateNag) {
    return;
  }

  const installationInfo = await getInstallationInfo(
    projectRoot,
    settings.merged.disableAutoUpdate ?? false,
  );

  let combinedMessage = info.message;
  if (installationInfo.updateMessage) {
    combinedMessage += `\n${installationInfo.updateMessage}`;
  }

  updateEventEmitter.emit('update-received', {
    message: combinedMessage,
  });

  if (!installationInfo.updateCommand || settings.merged.disableAutoUpdate) {
    return;
  }
  const isNightly = info.update.latest.includes('nightly');

  const updateCommand = installationInfo.updateCommand.replace(
    '@latest',
    isNightly ? '@nightly' : `@${info.update.latest}`,
  );
  const updateProcess = spawnFn(updateCommand, { stdio: 'pipe', shell: true });
  let errorOutput = '';
  updateProcess.stderr.on('data', (data) => {
    errorOutput += data.toString();
  });

  updateProcess.on('close', (code) => {
    if (code === 0) {
      updateEventEmitter.emit('update-success', {
        message:
          'Update successful! The new version will be used on your next run.',
      });
    } else {
      updateEventEmitter.emit('update-failed', {
        message: `Automatic update failed. Please try updating manually. (command: ${updateCommand}, stderr: ${errorOutput.trim()})`,
      });
    }
  });

  updateProcess.on('error', (err) => {
    updateEventEmitter.emit('update-failed', {