add git.autorefresh setting

fixes #901

src/vs/workbench/parts/git/browser/gitServices.ts

@@ -404,7 +404,7 @@ export class GitService extends ee.EventEmitter
 	private reactiveStatusDelayer: async.PeriodThrottledDelayer<void>;
 	private autoFetcher: AutoFetcher;
 	private isStatusPending = false;
-	private isFocused = false;
+	private isFocused = true;
 
 	private _allowHugeRepositories: boolean;
 	get allowHugeRepositories(): boolean { return this._allowHugeRepositories; }
@@ -613,6 +613,12 @@ export class GitService extends ee.EventEmitter
 
 		this.isStatusPending = false;
 
+		const config = this.configurationService.getConfiguration<git.IGitConfiguration>('git');
+
+		if (!config.autorefresh) {
+			return;
+		}
+
 		this.reactiveStatusDelayer.trigger(() => this.status()).done(null, e => {
 			if (errors.isPromiseCanceledError(e)) {
 				return;

src/vs/workbench/parts/git/browser/gitWorkbenchContributions.ts

@@ -523,6 +523,11 @@ export function registerContributions(): void {
 				description: nls.localize('gitPath', "Path to the git executable"),
 				default: null
 			},
+			'git.autorefresh': {
+				type: 'boolean',
+				description: nls.localize('gitAutoRefresh', "Whether auto refreshing is enabled"),
+				default: true
+			},
 			'git.autofetch': {
 				type: 'boolean',
 				description: nls.localize('gitAutoFetch', "Whether auto fetching is enabled."),

src/vs/workbench/parts/git/common/git.ts

@@ -230,6 +230,7 @@ export var ServiceOperations = {
 export interface IGitConfiguration {
 	enabled: boolean;
 	path: string;
+	autorefresh: boolean;
 	autofetch: boolean;
 	enableLongCommitWarning: boolean;
 	allowLargeRepositories: boolean;