chore: fixes to helper scripts

browser_patches/chromium/mirror.sh

@@ -33,7 +33,7 @@ mirror_chromium() {
   CHROMIUM_URL=""
 
   PLATFORM="$1"
-  if [[ -n "${PLATFORM}" ]]; then
+  if [[ -z "${PLATFORM}" ]]; then
     CURRENT_HOST_OS="$(uname)"
     if [[ "${CURRENT_HOST_OS}" == "Darwin" ]]; then
       PLATFORM="--mac"

utils/check_chromium_cdn.js

@@ -82,7 +82,7 @@ async function checkOmahaProxyAvailability() {
  * @param {boolean} stopWhenAllAvailable
  */
 async function checkRangeAvailability(fromRevision, toRevision, stopWhenAllAvailable) {
-  const table = new Table([15, 7, 7, 7, 7]);
+  const table = new Table([15, 7, 7, 7]);
   table.drawRow([''].concat(SUPPORTER_PLATFORMS));
   const inc = fromRevision < toRevision ? 1 : -1;
   for (let revision = fromRevision; revision !== toRevision; revision += inc) {