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

build/linux/debian/install-sysroot.js

@@ -0,0 +1,81 @@
+"use strict";
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getSysroot = void 0;
+const child_process_1 = require("child_process");
+const crypto_1 = require("crypto");
+const os_1 = require("os");
+const fs = require("fs");
+const https = require("https");
+const path = require("path");
+const sysroots_1 = require("./sysroots");
+// Based on https://source.chromium.org/chromium/chromium/src/+/main:build/linux/sysroot_scripts/install-sysroot.py.
+const URL_PREFIX = 'https://msftelectron.blob.core.windows.net';
+const URL_PATH = 'sysroots/toolchain';
+function getSha(filename) {
+    const hash = (0, crypto_1.createHash)('sha1');
+    // Read file 1 MB at a time
+    const fd = fs.openSync(filename, 'r');
+    const buffer = Buffer.alloc(1024 * 1024);
+    let position = 0;
+    let bytesRead = 0;
+    while ((bytesRead = fs.readSync(fd, buffer, 0, buffer.length, position)) === buffer.length) {
+        hash.update(buffer);
+        position += bytesRead;
+    }
+    hash.update(buffer.slice(0, bytesRead));
+    return hash.digest('hex');
+}
+async function getSysroot(arch) {
+    const sysrootDict = sysroots_1.sysrootInfo[arch];
+    const tarballFilename = sysrootDict['Tarball'];
+    const tarballSha = sysrootDict['Sha1Sum'];
+    const sysroot = path.join((0, os_1.tmpdir)(), sysrootDict['SysrootDir']);
+    const url = [URL_PREFIX, URL_PATH, tarballSha, tarballFilename].join('/');
+    const stamp = path.join(sysroot, '.stamp');
+    if (fs.existsSync(stamp) && fs.readFileSync(stamp).toString() === url) {
+        return sysroot;
+    }
+    console.log(`Installing Debian ${arch} root image: ${sysroot}`);
+    fs.rmSync(sysroot, { recursive: true, force: true });
+    fs.mkdirSync(sysroot);
+    const tarball = path.join(sysroot, tarballFilename);
+    console.log(`Downloading ${url}`);
+    let downloadSuccess = false;
+    for (let i = 0; i < 3 && !downloadSuccess; i++) {
+        await new Promise((c) => {
+            https.get(url, (res) => {
+                const chunks = [];
+                res.on('data', (chunk) => {
+                    chunks.push(chunk);
+                });
+                res.on('end', () => {
+                    fs.writeFileSync(tarball, Buffer.concat(chunks));
+                    downloadSuccess = true;
+                    c();
+                });
+            }).on('error', (err) => {
+                console.error('Encountered an error during the download attempt: ' + err.message);
+                c();
+            });
+        });
+    }
+    if (!downloadSuccess) {
+        throw new Error('Failed to download ' + url);
+    }
+    const sha = getSha(tarball);
+    if (sha !== tarballSha) {
+        throw new Error(`Tarball sha1sum is wrong. Expected ${tarballSha}, actual ${sha}`);
+    }
+    const proc = (0, child_process_1.spawnSync)('tar', ['xf', tarball, '-C', sysroot]);
+    if (proc.status) {
+        throw new Error('Tarball extraction failed with code ' + proc.status);
+    }
+    fs.rmSync(tarball);
+    fs.writeFileSync(stamp, url);
+    return sysroot;
+}
+exports.getSysroot = getSysroot;