Explain features the git extension enables

extensions/git/src/askpass.ts

@@ -18,6 +18,8 @@ export class Askpass implements IIPCHandler, ITerminalEnvironmentProvider {
 	private cache = new Map<string, Credentials>();
 	private credentialsProviders = new Set<CredentialsProvider>();
 
+	readonly featureDescription = 'git auth provider';
+
 	constructor(private ipc?: IIPCServer) {
 		if (ipc) {
 			this.disposable = ipc.registerHandler('askpass', this);

extensions/git/src/gitEditor.ts

@@ -17,6 +17,8 @@ export class GitEditor implements IIPCHandler, ITerminalEnvironmentProvider {
 	private env: { [key: string]: string };
 	private disposable: IDisposable = EmptyDisposable;
 
+	readonly featureDescription = 'git editor';
+
 	constructor(ipc?: IIPCServer) {
 		if (ipc) {
 			this.disposable = ipc.registerHandler('git-editor', this);

extensions/git/src/terminal.ts

@@ -7,6 +7,7 @@ import { ExtensionContext, workspace } from 'vscode';
 import { filterEvent, IDisposable } from './util';
 
 export interface ITerminalEnvironmentProvider {
+	featureDescription?: string;
 	getTerminalEnv(): { [key: string]: string };
 }
 
@@ -24,18 +25,24 @@ export class TerminalEnvironmentManager {
 	private refresh(): void {
 		const config = workspace.getConfiguration('git', null);
 		this.context.environmentVariableCollection.clear();
-		this.context.environmentVariableCollection.description = 'Enables a git authentication provider';
 
 		if (!config.get<boolean>('enabled', true)) {
 			return;
 		}
 
+		const features: string[] = [];
 		for (const envProvider of this.envProviders) {
 			const terminalEnv = envProvider?.getTerminalEnv() ?? {};
 
 			for (const name of Object.keys(terminalEnv)) {
 				this.context.environmentVariableCollection.replace(name, terminalEnv[name]);
 			}
+			if (envProvider?.featureDescription && Object.keys(terminalEnv).length > 0) {
+				features.push(envProvider.featureDescription);
+			}
+		}
+		if (features.length) {
+			this.context.environmentVariableCollection.description = `Enables the following features: ${features.join(', ')}`;
 		}
 	}