NuGet: isHosted should only match hostname

Author: jmyersmsft

Tasks/Common/nuget-task-common/NuGetToolRunner.ts

@@ -6,6 +6,7 @@ import {ToolRunner, IExecOptions, IExecResult} from 'vsts-task-lib/toolrunner';
 import * as auth from "./Authentication"
 import * as os from 'os';
 import * as path from 'path';
+import * as url from 'url';
 
 interface EnvironmentDictionary { [key: string]: string }
 
@@ -160,7 +161,8 @@ function isHosted(): boolean {
     // not an ideal way to detect hosted, but there isn't a variable for it, and we can't make network calls from here
     // due to proxy issues.
     const collectionUri = tl.getVariable("System.TeamFoundationCollectionUri");
-    return /\.visualstudio\.com$/i.test(collectionUri);
+    const parsedCollectionUri = url.parse(collectionUri);
+    return /\.visualstudio\.com$/i.test(parsedCollectionUri.hostname);
 }
 
 // Currently, there is a race condition of some sort that causes nuget to not send credentials sometimes