add IWindowService#relaunch

src/vs/platform/windows/common/windows.ts

@@ -37,6 +37,7 @@ export interface IWindowsService {
 	unmaximizeWindow(windowId: number): TPromise<void>;
 	setDocumentEdited(windowId: number, flag: boolean): TPromise<void>;
 	quit(): TPromise<void>;
+	relaunch(options: { addArgs?: string[], removeArgs?: string[] }): TPromise<void>;
 
 	// Global methods
 	openWindow(paths: string[], options?: { forceNewWindow?: boolean, forceReuseWindow?: boolean }): TPromise<void>;

src/vs/platform/windows/common/windowsIpc.ts

@@ -80,6 +80,7 @@ export class WindowsChannel implements IWindowsChannel {
 			case 'showWindow': return this.service.showWindow(arg);
 			case 'getWindows': return this.service.getWindows();
 			case 'getWindowCount': return this.service.getWindowCount();
+			case 'relaunch': return this.service.relaunch(arg[0]);
 			case 'quit': return this.service.quit();
 			case 'log': return this.service.log(arg[0], arg[1]);
 			case 'closeExtensionHostWindow': return this.service.closeExtensionHostWindow(arg);
@@ -175,6 +176,10 @@ export class WindowsChannelClient implements IWindowsService {
 		return this.channel.call('quit');
 	}
 
+	relaunch(options: { addArgs?: string[], removeArgs?: string[] }): TPromise<void> {
+		return this.channel.call('relaunch', [options]);
+	}
+
 	openWindow(paths: string[], options?: { forceNewWindow?: boolean, forceReuseWindow?: boolean }): TPromise<void> {
 		return this.channel.call('openWindow', [paths, options]);
 	}

src/vs/platform/windows/electron-main/windowsService.ts

@@ -264,6 +264,24 @@ export class WindowsService implements IWindowsService, IDisposable {
 		return TPromise.as(null);
 	}
 
+	relaunch(options: { addArgs?: string[], removeArgs?: string[] }): TPromise<void> {
+		const args = process.argv.slice(1);
+		if (options.addArgs) {
+			args.push(...options.addArgs);
+		}
+		if (options.removeArgs) {
+			for (const a of options.removeArgs) {
+				const idx = args.indexOf(a);
+				if (idx >= 0) {
+					args.splice(idx, 1);
+				}
+			}
+		}
+		app.quit();
+		app.once('quit', () => app.relaunch({ args }));
+		return TPromise.as(null);
+	}
+
 	private openFileForURI(filePath: string): TPromise<void> {
 		const cli = assign(Object.create(null), this.environmentService.args, { goto: true });
 		const pathsToOpen = [filePath];

src/vs/workbench/test/workbenchTestServices.ts

@@ -917,6 +917,10 @@ export class TestWindowsService implements IWindowsService {
 		return TPromise.as(void 0);
 	}
 
+	relaunch(options: { addArgs?: string[], removeArgs?: string[] }): TPromise<void> {
+		return TPromise.as(void 0);
+	}
+
 	// Global methods
 	openWindow(paths: string[], options?: { forceNewWindow?: boolean, forceReuseWindow?: boolean }): TPromise<void> {
 		return TPromise.as(void 0);