launch.json and tasks.json pin only if config file is created

#8727

src/vs/workbench/parts/debug/node/debugConfigurationManager.ts

@@ -337,6 +337,7 @@ export class ConfigurationManager implements debug.IConfigurationManager {
 
 	public openConfigFile(sideBySide: boolean): TPromise<boolean> {
 		const resource = uri.file(paths.join(this.contextService.getWorkspace().resource.fsPath, '/.vscode/launch.json'));
+		let configFileCreated = false;
 
 		return this.fileService.resolveContent(resource).then(content => true, err =>
 			this.getInitialConfigFileContent().then(content => {
@@ -344,10 +345,11 @@ export class ConfigurationManager implements debug.IConfigurationManager {
 					return false;
 				}
 
+				configFileCreated = true;
 				return this.fileService.updateContent(resource, content).then(() => true);
 			}
-		)).then(configFileCreated => {
-			if (!configFileCreated) {
+		)).then(errorFree => {
+			if (!errorFree) {
 				return false;
 			}
 			this.telemetryService.publicLog('debugConfigure');
@@ -355,8 +357,9 @@ export class ConfigurationManager implements debug.IConfigurationManager {
 			return this.editorService.openEditor({
 				resource: resource,
 				options: {
-					forceOpen: true
-				}
+					forceOpen: true,
+					pinned: configFileCreated // pin only if config file is created #8727
+				},
 			}, sideBySide).then(() => true);
 		}, (error) => {
 			throw new Error(nls.localize('DebugConfig.failed', "Unable to create 'launch.json' file inside the '.vscode' folder ({0}).", error));

src/vs/workbench/parts/tasks/electron-browser/task.contribution.ts

@@ -202,6 +202,7 @@ class ConfigureTaskRunnerAction extends Action {
 			return TPromise.as(undefined);
 		}
 		let sideBySide = !!(event && (event.ctrlKey || event.metaKey));
+		let configFileCreated = false;
 		return this.fileService.resolveFile(this.contextService.toResource('.vscode/tasks.json')).then((success) => {
 			return success;
 		}, (err:any) => {
@@ -247,6 +248,7 @@ class ConfigureTaskRunnerAction extends Action {
 					if (editorConfig.editor.insertSpaces) {
 						content = content.replace(/(\n)(\t+)/g, (_, s1, s2) => s1 + strings.repeat(' ', s2.length * editorConfig.editor.tabSize));
 					}
+					configFileCreated = true;
 					return this.fileService.createFile(this.contextService.toResource('.vscode/tasks.json'), content);
 				});
 			});
@@ -258,7 +260,8 @@ class ConfigureTaskRunnerAction extends Action {
 			return this.editorService.openEditor({
 				resource: stat.resource,
 				options: {
-					forceOpen: true
+					forceOpen: true,
+					pinned: configFileCreated // pin only if config file is created #8727
 				}
 			}, sideBySide);
 		}, (error) => {