feat: startup activation scaffolding

Author: karthiknadig

src/features/terminal/startup/activateUsingShellStartup.ts

@@ -0,0 +1,60 @@
+import { Disposable, GlobalEnvironmentVariableCollection } from 'vscode';
+import { onDidChangeConfiguration } from '../../../common/workspace.apis';
+import { registerCommand } from '../../../common/command.api';
+import { getAutoActivationType } from '../utils';
+
+export interface ActivateUsingShellStartup extends Disposable {}
+
+class ActivateUsingShellStartupImpl implements ActivateUsingShellStartup {
+    private readonly disposables: Disposable[] = [];
+    constructor(private readonly envCollection: GlobalEnvironmentVariableCollection) {}
+
+    dispose() {
+        this.disposables.forEach((disposable) => disposable.dispose());
+    }
+}
+
+export async function checkAndUpdateStartupScripts(): Promise<void> {
+    // Implement the logic to check startup scripts
+    return Promise.resolve();
+}
+
+export async function removeAllStartupScripts(): Promise<void> {
+    // Implement the logic to remove all startup scripts
+    return Promise.resolve();
+}
+
+export function registerActivateUsingShellStartup(
+    disposables: Disposable[],
+    environmentVariableCollection: GlobalEnvironmentVariableCollection,
+) {
+    let activateUsingShellStartup: ActivateUsingShellStartup | undefined;
+
+    disposables.push(
+        onDidChangeConfiguration((e) => {
+            if (e.affectsConfiguration('python.terminal.autoActivationType')) {
+                const autoActType = getAutoActivationType();
+                if (autoActType === 'shellStartup') {
+                    if (!activateUsingShellStartup) {
+                        activateUsingShellStartup = new ActivateUsingShellStartupImpl(environmentVariableCollection);
+                    }
+                } else {
+                    activateUsingShellStartup?.dispose();
+                    activateUsingShellStartup = undefined;
+                }
+            }
+        }),
+        new Disposable(() => activateUsingShellStartup?.dispose()),
+        registerCommand('python-envs.removeStartupScripts', async () => {
+            await removeAllStartupScripts();
+        }),
+    );
+
+    const autoActType = getAutoActivationType();
+    if (autoActType === 'shellStartup') {
+        activateUsingShellStartup = new ActivateUsingShellStartupImpl(environmentVariableCollection);
+        setImmediate(async () => {
+            await checkAndUpdateStartupScripts();
+        });
+    }
+}