Tools: Apply "withRetry" technique to copyPluginAssets too to try to fix CI

packages/app-desktop/tools/copyPluginAssets.js

@@ -1,5 +1,29 @@
 const { copy, mkdirp, remove } = require('fs-extra');
 
+const msleep = async (ms) => {
+	return new Promise((resolve) => {
+		setTimeout(() => {
+			resolve();
+		}, ms);
+	});
+};
+
+// Same as copyApplicationAssets - probably both scripts should be merged in
+// one.
+const withRetry = async (fn) => {
+	for (let i = 0; i < 5; i++) {
+		try {
+			await fn();
+			return;
+		} catch (error) {
+			console.warn(`withRetry: Failed calling function - will retry (${i})`, error);
+			await msleep(1000 + i * 1000);
+		}
+	}
+
+	throw new Error('withRetry: Could not run function after multiple attempts');
+};
+
 async function main() {
 	const rootDir = `${__dirname}/..`;
 
@@ -12,11 +36,11 @@ async function main() {
 	for (const action of ['delete', 'copy']) {
 		for (const destDir of destDirs) {
 			if (action === 'delete') {
-				await remove(destDir);
+				await withRetry(() => remove(destDir));
 			} else {
 				console.info(`Copying to ${destDir}`);
-				await mkdirp(destDir);
-				await copy(sourceDir, destDir, { overwrite: true });
+				await withRetry(() => mkdirp(destDir));
+				await withRetry(() => copy(sourceDir, destDir, { overwrite: true }));
 			}
 		}
 	}