Try use shell integration in debug terminals

Fixes #204694

src/vs/platform/terminal/common/terminal.ts

@@ -608,6 +608,12 @@ export interface IShellLaunchConfig {
 	 */
 	isTransient?: boolean;
 
+	/**
+	 * Attempt to force shell integration to be enabled by bypassing the {@link isFeatureTerminal}
+	 * equals false requirement.
+	 */
+	forceShellIntegration?: boolean;
+
 	/**
 	 * Create a terminal without shell integration even when it's enabled
 	 */

src/vs/platform/terminal/node/terminalEnvironment.ts

@@ -117,7 +117,7 @@ export function getShellIntegrationInjection(
 	// - There is no executable (not sure what script to run)
 	// - The terminal is used by a feature like tasks or debugging
 	const useWinpty = isWindows && (!options.windowsEnableConpty || getWindowsBuildNumber() < 18309);
-	if (!options.shellIntegration.enabled || !shellLaunchConfig.executable || shellLaunchConfig.isFeatureTerminal || shellLaunchConfig.hideFromUser || shellLaunchConfig.ignoreShellIntegration || useWinpty) {
+	if (!options.shellIntegration.enabled || !shellLaunchConfig.executable || (shellLaunchConfig.isFeatureTerminal && !shellLaunchConfig.forceShellIntegration) || shellLaunchConfig.hideFromUser || shellLaunchConfig.ignoreShellIntegration || useWinpty) {
 		return undefined;
 	}
 

src/vs/workbench/api/browser/mainThreadTerminalService.ts

@@ -152,6 +152,7 @@ export class MainThreadTerminalService implements MainThreadTerminalServiceShape
 				? (id, cols, rows) => new TerminalProcessExtHostProxy(id, cols, rows, this._terminalService)
 				: undefined,
 			extHostTerminalId,
+			forceShellIntegration: launchConfig.forceShellIntegration,
 			isFeatureTerminal: launchConfig.isFeatureTerminal,
 			isExtensionOwnedTerminal: launchConfig.isExtensionOwnedTerminal,
 			useShellEnvironment: launchConfig.useShellEnvironment,

src/vs/workbench/api/common/extHost.protocol.ts

@@ -495,6 +495,7 @@ export interface TerminalLaunchConfig {
 	strictEnv?: boolean;
 	hideFromUser?: boolean;
 	isExtensionCustomPtyTerminal?: boolean;
+	forceShellIntegration?: boolean;
 	isFeatureTerminal?: boolean;
 	isExtensionOwnedTerminal?: boolean;
 	useShellEnvironment?: boolean;

src/vs/workbench/api/common/extHostTerminalService.ts

@@ -63,6 +63,7 @@ interface IEnvironmentVariableCollection extends vscode.EnvironmentVariableColle
 export interface ITerminalInternalOptions {
 	cwd?: string | URI;
 	isFeatureTerminal?: boolean;
+	forceShellIntegration?: boolean;
 	useShellEnvironment?: boolean;
 	resolvedExtHostIdentifier?: ExtHostTerminalIdentifier;
 	/**
@@ -165,6 +166,7 @@ export class ExtHostTerminal {
 			initialText: options.message ?? undefined,
 			strictEnv: options.strictEnv ?? undefined,
 			hideFromUser: options.hideFromUser ?? undefined,
+			forceShellIntegration: internalOptions?.forceShellIntegration ?? undefined,
 			isFeatureTerminal: internalOptions?.isFeatureTerminal ?? undefined,
 			isExtensionOwnedTerminal: true,
 			useShellEnvironment: internalOptions?.useShellEnvironment ?? undefined,

src/vs/workbench/api/node/extHostDebugService.ts

@@ -106,6 +106,9 @@ export class ExtHostDebugService extends ExtHostDebugServiceBase {
 				giveShellTimeToInitialize = true;
 				terminal = this._terminalService.createTerminalFromOptions(options, {
 					isFeatureTerminal: true,
+					// Since debug termnials are REPLs, we want shell integration to be enabled.
+					// Ignore isFeatureTerminal when evaluating shell integration enablement.
+					forceShellIntegration: true,
 					useShellEnvironment: true
 				});
 				this._integratedTerminalInstances.insert(terminal, shellConfig);