Merge from master

build/azure-pipelines/common/installDistro.ts

@@ -0,0 +1,18 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as  cp from 'child_process';
+
+function yarnInstall(packageName: string): void {
+	cp.execSync(`yarn add --no-lockfile ${packageName}`);
+}
+
+const product = require('../../../product.json');
+const dependencies = product.dependencies || {} as { [name: string]: string; };
+
+Object.keys(dependencies).forEach(name => {
+	const url = dependencies[name];
+	yarnInstall(url);
+});