Merge from vscode merge-base (#22780)

* Revert "Revert "Merge from vscode merge-base (#22769)" (#22779)"

This reverts commit 47a1745180.

* Fix notebook download task

* Remove done call from extensions-ci

extensions/github/src/commands.ts

@@ -7,6 +7,32 @@ import * as vscode from 'vscode';
 import { API as GitAPI } from './typings/git';
 import { publishRepository } from './publish';
 import { DisposableStore } from './util';
+import { getPermalink } from './links';
+
+function getVscodeDevHost(): string {
+	return `https://${vscode.env.appName.toLowerCase().includes('insiders') ? 'insiders.' : ''}vscode.dev/github`;
+}
+
+async function copyVscodeDevLink(gitAPI: GitAPI, useSelection: boolean) {
+	try {
+		const permalink = getPermalink(gitAPI, useSelection, getVscodeDevHost());
+		if (permalink) {
+			return vscode.env.clipboard.writeText(permalink);
+		}
+	} catch (err) {
+		vscode.window.showErrorMessage(err.message);
+	}
+}
+
+async function openVscodeDevLink(gitAPI: GitAPI): Promise<vscode.Uri | undefined> {
+	try {
+		const permalink = getPermalink(gitAPI, true, getVscodeDevHost());
+		return permalink ? vscode.Uri.parse(permalink) : undefined;
+	} catch (err) {
+		vscode.window.showErrorMessage(err.message);
+		return undefined;
+	}
+}
 
 export function registerCommands(gitAPI: GitAPI): vscode.Disposable {
 	const disposables = new DisposableStore();
@@ -19,5 +45,17 @@ export function registerCommands(gitAPI: GitAPI): vscode.Disposable {
 		}
 	}));
 
+	disposables.add(vscode.commands.registerCommand('github.copyVscodeDevLink', async () => {
+		return copyVscodeDevLink(gitAPI, true);
+	}));
+
+	disposables.add(vscode.commands.registerCommand('github.copyVscodeDevLinkFile', async () => {
+		return copyVscodeDevLink(gitAPI, false);
+	}));
+
+	disposables.add(vscode.commands.registerCommand('github.openOnVscodeDev', async () => {
+		return openVscodeDevLink(gitAPI);
+	}));
+
 	return disposables;
 }