add _shellIntegrationEnabled

Author: anthonykim1

src/client/common/terminal/service.ts

@@ -31,11 +31,11 @@ export class TerminalService implements ITerminalService, Disposable {
     private terminalActivator: ITerminalActivator;
     private terminalAutoActivator: ITerminalAutoActivation;
     private readonly executeCommandListeners: Set<Disposable> = new Set();
+    private _shellIntegrationEnabled: boolean = false;
     public get onDidCloseTerminal(): Event<void> {
         return this.terminalClosed.event.bind(this.terminalClosed);
     }
 
-    // private _shellIntegrationEnabled
     constructor(
         @inject(IServiceContainer) private serviceContainer: IServiceContainer,
         private readonly options?: TerminalCreationOptions,
@@ -81,15 +81,17 @@ export class TerminalService implements ITerminalService, Disposable {
         }
 
         // If terminal was just launched, wait some time for shell integration to onDidChangeShellIntegration.
-        if (!terminal.shellIntegration) {
+        if (!terminal.shellIntegration && !this._shellIntegrationEnabled) {
             const promise = new Promise<boolean>((resolve) => {
                 const disposable = this.terminalManager.onDidChangeTerminalShellIntegration(() => {
+                    this._shellIntegrationEnabled = true;
                     clearTimeout(timer); //racetimeout
                     disposable.dispose();
                     resolve(true);
                 });
                 const TIMEOUT_DURATION = 500;
                 const timer = setTimeout(() => {
+                    this._shellIntegrationEnabled = false;
                     disposable.dispose();
                     resolve(true);
                 }, TIMEOUT_DURATION);
@@ -101,8 +103,10 @@ export class TerminalService implements ITerminalService, Disposable {
             // TODO: executeCommand would not execute command manually typed inside Python Terminal REPL.
             // We only run executeCommand when user shift+enter in .py file, and hence run command in terminal on user's behalf.
             const execution = terminal.shellIntegration.executeCommand(commandLine);
+            this._shellIntegrationEnabled = true;
             return execution;
         } else {
+            this._shellIntegrationEnabled = false;
             terminal.sendText(commandLine);
             traceVerbose(`Shell Integration is disabled, sendText: ${commandLine}`);
         }