add option to disable terminal exit alert

src/vs/workbench/parts/terminal/electron-browser/terminal.contribution.ts

@@ -269,7 +269,12 @@ configurationRegistry.registerConfiguration({
 			'description': nls.localize('terminal.integrated.env.windows', "Object with environment variables that will be added to the VS Code process to be used by the terminal on Windows"),
 			'type': 'object',
 			'default': {}
-		}
+		},
+		'terminal.integrated.showExitAlert': {
+			'description': nls.localize('terminal.integrated.showExitAlert', "Show alert `The terminal process terminated with exit code` when exit code is non-zero."),
+			'type': 'boolean',
+			'default': true
+		},
 	}
 });
 

src/vs/workbench/parts/terminal/electron-browser/terminalInstance.ts

@@ -37,6 +37,7 @@ import { ansiColorIdentifiers, TERMINAL_BACKGROUND_COLOR, TERMINAL_FOREGROUND_CO
 import { PANEL_BACKGROUND } from 'vs/workbench/common/theme';
 import { IConfigurationResolverService } from 'vs/workbench/services/configurationResolver/common/configurationResolver';
 import { IWorkspaceContextService, IWorkspaceFolder } from 'vs/platform/workspace/common/workspace';
+import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
 
 /** The amount of time to consider terminal errors to be related to the launch */
 const LAUNCHING_DURATION = 500;
@@ -125,7 +126,8 @@ export class TerminalInstance implements ITerminalInstance {
 		@IHistoryService private _historyService: IHistoryService,
 		@IThemeService private _themeService: IThemeService,
 		@IConfigurationResolverService private _configurationResolverService: IConfigurationResolverService,
-		@IWorkspaceContextService private _workspaceContextService: IWorkspaceContextService
+		@IWorkspaceContextService private _workspaceContextService: IWorkspaceContextService,
+		@IConfigurationService private configurationService: IConfigurationService,
 	) {
 		this._instanceDisposables = [];
 		this._processDisposables = [];
@@ -687,7 +689,8 @@ export class TerminalInstance implements ITerminalInstance {
 		this._isExiting = true;
 		this._process = null;
 		let exitCodeMessage: string;
-		if (exitCode) {
+
+		if (exitCode && this.configurationService.getValue('terminal.integrated.showExitAlert')) {
 			exitCodeMessage = nls.localize('terminal.integrated.exitedWithCode', 'The terminal process terminated with exit code: {0}', exitCode);
 		}