Function isSupportedLanceDbCpuTargetForLinux

core/config/util.ts:130–177

(ide?: IDE)

 * See here for details: https://github.com/continuedev/continue/issues/940
 */
export function isSupportedLanceDbCpuTargetForLinux(ide?: IDE) {
  const CPU_FEATURES_TO_CHECK = ["avx2", "fma"] as const;

  const globalContext = new GlobalContext();
  const globalContextVal = globalContext.get(
    "isSupportedLanceDbCpuTargetForLinux",
  );

  // If we've already checked the CPU target, return the cached value
  if (globalContextVal !== undefined) {
    return globalContextVal;
  }

  const arch = os.arch();

  // This check only applies to x64
  //https://github.com/lancedb/lance/issues/2195#issuecomment-2057841311
  if (arch !== "x64") {
    globalContext.update("isSupportedLanceDbCpuTargetForLinux", true);
    return true;
  }

  try {
    const cpuFlags = fs.readFileSync("/proc/cpuinfo", "utf-8").toLowerCase();

    const isSupportedLanceDbCpuTargetForLinux = cpuFlags
      ? CPU_FEATURES_TO_CHECK.every((feature) => cpuFlags.includes(feature))
      : true;

    // If it's not a supported CPU target, and it's the first time we are checking,
    // show a toast to inform the user that we are going to disable indexing.
    if (!isSupportedLanceDbCpuTargetForLinux && ide) {
      // We offload our async toast to `showUnsupportedCpuToast` to prevent making
      // our config loading async upstream of `isSupportedLanceDbCpuTargetForLinux`
      void showUnsupportedCpuToast(ide);
    }

    globalContext.update(
      "isSupportedLanceDbCpuTargetForLinux",
      isSupportedLanceDbCpuTargetForLinux,
    );

    return isSupportedLanceDbCpuTargetForLinux;
  } catch (error) {
    // If we can't determine CPU features, default to true
    return true;
  }
}

async function showUnsupportedCpuToast(ide: IDE) {
  const shouldOpenLink = await ide.showToast(