Try/catch os.userInfo call Fixes #1850

package.json

@@ -1,6 +1,6 @@
 {
   "name": "Go",
-  "version": "0.6.88-beta.1",
+  "version": "0.6.88-beta.2",
   "publisher": "ms-vscode",
   "description": "Rich Go language support for Visual Studio Code",
   "author": {

src/goBuild.ts

@@ -1,11 +1,10 @@
 import path = require('path');
 import vscode = require('vscode');
-import { getToolsEnvVars, runTool, ICheckResult, handleDiagnosticErrors, getWorkspaceFolderPath, getCurrentGoPath } from './util';
+import { getToolsEnvVars, runTool, ICheckResult, handleDiagnosticErrors, getWorkspaceFolderPath, getCurrentGoPath, getUserNameHash } from './util';
 import { outputChannel } from './goStatus';
 import os = require('os');
 import { getNonVendorPackages } from './goPackages';
 import { getTestFlags } from './testUtils';
-import { getStringHash } from './util';
 import { getCurrentGoWorkspaceFromGOPATH } from './goPath';
 import { diagnosticsStatusBarItem } from './goStatus';
 /**
@@ -71,7 +70,7 @@ export function goBuild(fileUri: vscode.Uri, goConfig: vscode.WorkspaceConfigura
 	}
 
 	const buildEnv = Object.assign({}, getToolsEnvVars());
-	const tmpPath = path.normalize(path.join(os.tmpdir(), 'go-code-check.' + getStringHash(os.userInfo().username)));
+	const tmpPath = path.normalize(path.join(os.tmpdir(), 'go-code-check.' + getUserNameHash()));
 	const isTestFile = fileUri && fileUri.fsPath.endsWith('_test.go');
 	const buildFlags: string[] = isTestFile ? getTestFlags(goConfig, null) : (Array.isArray(goConfig['buildFlags']) ? [...goConfig['buildFlags']] : []);
 	const buildArgs: string[] = isTestFile ? ['test', '-c'] : ['build'];

src/util.ts

@@ -17,6 +17,7 @@ import { NearestNeighborDict, Node } from './avlTree';
 const extensionId: string = 'ms-vscode.Go';
 const extensionVersion: string = vscode.extensions.getExtension(extensionId).packageJSON.version;
 const aiKey: string = 'AIF-d9b70cd4-b9f9-4d70-929b-a071c400b217';
+let userNameHash: number = 0;
 
 export const goKeywords: string[] = [
 	'break',
@@ -184,7 +185,7 @@ export function canonicalizeGOPATHPrefix(filename: string): string {
  */
 export function getStringHash(value: string): number {
 	let hash = 5381,
-			i    = value.length;
+		i = value.length;
 
 	while (i) {
 		hash = (hash * 33) ^ value.charCodeAt(--i);
@@ -196,6 +197,18 @@ export function getStringHash(value: string): number {
 	return hash >>> 0;
 }
 
+export function getUserNameHash() {
+	if (userNameHash) {
+		return userNameHash;
+	}
+	try {
+		userNameHash = getStringHash(os.userInfo().username);
+	} catch (error) {
+		userNameHash = 1;
+	}
+	return userNameHash;
+}
+
 /**
  * Gets version of Go based on the output of the command `go version`.
  * Returns null if go is being used from source/tip in which case `go version` will not return release tag like go1.6.3