Added retries for download external extensions.

Author: boocmp

scripts/packageManifestV2Extensions.js

@@ -11,7 +11,7 @@ import glob from 'glob'
 import util from '../lib/util.js'
 import crx from '../lib/crx.js'
 
-const downloadExtension = async (config) => {
+const downloadExtensionInternal = async (config) => {
   const buildPath = path.join('build', config.name)
   const download = path.join(buildPath, 'download')
   const unpacked = path.join(buildPath, 'unpacked')
@@ -59,6 +59,21 @@ const downloadExtension = async (config) => {
   }
 }
 
+const downloadExtension = async (config) => {
+  const maxAttempts = 3
+  for (let attempt = 1; attempt <= maxAttempts; ++attempt) {
+    try {
+      return await downloadExtensionInternal(config)
+    } catch (error) {
+      if (attempt < maxAttempts) {
+        await new Promise(resolve => setTimeout(resolve, 5000 * attempt))
+      } else {
+        throw error
+      }
+    }
+  }
+}
+
 const getExtensionConfig = (extensionName) => {
   return path.join('manifests', extensionName, 'config.json')
 }