chore: add support for debian 11 downloads (#15596)

packages/playwright-core/src/common/userAgent.ts

@@ -15,9 +15,8 @@
  */
 
 import { execSync } from 'child_process';
-import fs from 'fs';
 import os from 'os';
-import { parseOSReleaseText } from '../utils/ubuntuVersion';
+import { getLinuxDistributionInfoSync } from '../utils/linuxUtils';
 
 let cachedUserAgent: string | undefined;
 
@@ -44,14 +43,11 @@ function determineUserAgent(): string {
     osIdentifier = 'macOS';
     osVersion = `${version[0]}.${version[1]}`;
   } else if (process.platform === 'linux') {
-    try {
+    const distroInfo = getLinuxDistributionInfoSync();
-      // List of /etc/os-release values for different distributions could be
+    if (distroInfo) {
-      // found here: https://gist.github.com/aslushnikov/8ceddb8288e4cf9db3039c02e0f4fb75
+      osIdentifier = distroInfo.id || 'linux';
-      const osReleaseText = fs.readFileSync('/etc/os-release', 'utf8');
+      osVersion = distroInfo.version || 'unknown';
-      const fields = parseOSReleaseText(osReleaseText);
+    } else {
-      osIdentifier = fields.get('id') || 'unknown';
-      osVersion = fields.get('version_id') || 'unknown';
-    } catch (e) {
       // Linux distribution without /etc/os-release.
       // Default to linux/unknown.
       osIdentifier = 'linux';

packages/playwright-core/src/server/registry/index.ts

@@ -20,7 +20,7 @@ import path from 'path';
 import * as util from 'util';
 import * as fs from 'fs';
 import { lockfile } from '../../utilsBundle';
-import { getUbuntuVersion } from '../../utils/ubuntuVersion';
+import { getLinuxDistributionInfo } from '../../utils/linuxUtils';
 import { fetchData } from '../../common/netUtils';
 import { getClientLanguage } from '../../common/userAgent';
 import { getFromENV, getAsBooleanFromENV, calculateSha1, wrapInASCIIBox } from '../../utils';
@@ -84,6 +84,7 @@ const DOWNLOAD_PATHS = {
     'ubuntu18.04-arm64': 'builds/chromium/%s/chromium-linux-arm64.zip',
     'ubuntu20.04-arm64': 'builds/chromium/%s/chromium-linux-arm64.zip',
     'ubuntu22.04-arm64': 'builds/chromium/%s/chromium-linux-arm64.zip',
+    'debian11': 'builds/chromium/%s/chromium-linux.zip',
     'mac10.13': 'builds/chromium/%s/chromium-mac.zip',
     'mac10.14': 'builds/chromium/%s/chromium-mac.zip',
     'mac10.15': 'builds/chromium/%s/chromium-mac.zip',
@@ -103,6 +104,7 @@ const DOWNLOAD_PATHS = {
     'ubuntu18.04-arm64': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux-arm64.zip',
     'ubuntu20.04-arm64': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux-arm64.zip',
     'ubuntu22.04-arm64': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux-arm64.zip',
+    'debian11': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-linux.zip',
     'mac10.13': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-mac.zip',
     'mac10.14': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-mac.zip',
     'mac10.15': 'builds/chromium-tip-of-tree/%s/chromium-tip-of-tree-mac.zip',
@@ -122,6 +124,7 @@ const DOWNLOAD_PATHS = {
     'ubuntu18.04-arm64': 'builds/chromium/%s/chromium-with-symbols-linux-arm64.zip',
     'ubuntu20.04-arm64': 'builds/chromium/%s/chromium-with-symbols-linux-arm64.zip',
     'ubuntu22.04-arm64': 'builds/chromium/%s/chromium-with-symbols-linux-arm64.zip',
+    'debian11': 'builds/chromium/%s/chromium-with-symbols-linux.zip',
     'mac10.13': 'builds/chromium/%s/chromium-with-symbols-mac.zip',
     'mac10.14': 'builds/chromium/%s/chromium-with-symbols-mac.zip',
     'mac10.15': 'builds/chromium/%s/chromium-with-symbols-mac.zip',
@@ -141,6 +144,7 @@ const DOWNLOAD_PATHS = {
     'ubuntu18.04-arm64': undefined,
     'ubuntu20.04-arm64': 'builds/firefox/%s/firefox-ubuntu-20.04-arm64.zip',
     'ubuntu22.04-arm64': 'builds/firefox/%s/firefox-ubuntu-22.04-arm64.zip',
+    'debian11': 'builds/firefox/%s/firefox-debian-11.zip',
     'mac10.13': 'builds/firefox/%s/firefox-mac-11.zip',
     'mac10.14': 'builds/firefox/%s/firefox-mac-11.zip',
     'mac10.15': 'builds/firefox/%s/firefox-mac-11.zip',
@@ -160,6 +164,7 @@ const DOWNLOAD_PATHS = {
     'ubuntu18.04-arm64': undefined,
     'ubuntu20.04-arm64': undefined,
     'ubuntu22.04-arm64': 'builds/firefox-beta/%s/firefox-beta-ubuntu-22.04-arm64.zip',
+    'debian11': 'builds/firefox-beta/%s/firefox-beta-debian-11.zip',
     'mac10.13': 'builds/firefox-beta/%s/firefox-beta-mac-11.zip',
     'mac10.14': 'builds/firefox-beta/%s/firefox-beta-mac-11.zip',
     'mac10.15': 'builds/firefox-beta/%s/firefox-beta-mac-11.zip',
@@ -179,6 +184,7 @@ const DOWNLOAD_PATHS = {
     'ubuntu18.04-arm64': undefined,
     'ubuntu20.04-arm64': 'builds/webkit/%s/webkit-ubuntu-20.04-arm64.zip',
     'ubuntu22.04-arm64': 'builds/webkit/%s/webkit-ubuntu-22.04-arm64.zip',
+    'debian11': 'builds/webkit/%s/webkit-linux-universal.zip',
     'mac10.13': undefined,
     'mac10.14': 'builds/deprecated-webkit-mac-10.14/%s/deprecated-webkit-mac-10.14.zip',
     'mac10.15': 'builds/webkit/%s/webkit-mac-10.15.zip',
@@ -198,6 +204,7 @@ const DOWNLOAD_PATHS = {
     'ubuntu18.04-arm64': 'builds/ffmpeg/%s/ffmpeg-linux-arm64.zip',
     'ubuntu20.04-arm64': 'builds/ffmpeg/%s/ffmpeg-linux-arm64.zip',
     'ubuntu22.04-arm64': 'builds/ffmpeg/%s/ffmpeg-linux-arm64.zip',
+    'debian11': 'builds/ffmpeg/%s/ffmpeg-linux.zip',
     'mac10.13': 'builds/ffmpeg/%s/ffmpeg-mac.zip',
     'mac10.14': 'builds/ffmpeg/%s/ffmpeg-mac.zip',
     'mac10.15': 'builds/ffmpeg/%s/ffmpeg-mac.zip',
@@ -321,11 +328,11 @@ export class Registry {
     const descriptors = readDescriptors(browsersJSON);
     const findExecutablePath = (dir: string, name: keyof typeof EXECUTABLE_PATHS) => {
       let tokens = undefined;
-      if (hostPlatform.startsWith('ubuntu') || hostPlatform.startsWith('generic-linux'))
+      if (process.platform === 'linux')
         tokens = EXECUTABLE_PATHS[name]['linux'];
-      else if (hostPlatform.startsWith('mac'))
+      else if (process.platform === 'darwin')
         tokens = EXECUTABLE_PATHS[name]['mac'];
-      else if (hostPlatform.startsWith('win'))
+      else if (process.platform === 'win32')
         tokens = EXECUTABLE_PATHS[name]['win'];
       return tokens ? path.join(dir, ...tokens) : undefined;
     };
@@ -607,10 +614,15 @@ export class Registry {
       process.stdout.write('Skipping host requirements validation logic because `PLAYWRIGHT_SKIP_VALIDATE_HOST_REQUIREMENTS` env variable is set.\n');
       return;
     }
-    const ubuntuVersion = await getUbuntuVersion();
+    const distributionInfo = await getLinuxDistributionInfo();
-    if (browserName === 'firefox' && ubuntuVersion === '16.04')
+    if (browserName === 'firefox' && distributionInfo?.id === 'ubuntu' && distributionInfo?.version === '16.04')
       throw new Error(`Cannot launch Firefox on Ubuntu 16.04! Minimum required Ubuntu version for Firefox browser is 18.04`);
 
+    // Skip dependency validation for WebKit on non-ubuntu distributions since it takes
+    // forever and is not needed due to universal build.
+    if (os.platform() === 'linux' && browserName === 'webkit' && distributionInfo?.id !== 'ubuntu')
+      return;
+
     if (os.platform() === 'linux')
       return await validateDependenciesLinux(sdkLanguage, linuxLddDirectories.map(d => path.join(browserDirectory, d)), dlOpenLibraries);
     if (os.platform() === 'win32' && os.arch() === 'x64')
@@ -714,7 +726,7 @@ export class Registry {
     if (!downloadPathTemplate || !executablePath)
       throw new Error(`ERROR: Playwright does not support ${descriptor.name} on ${hostPlatform}`);
     if (hostPlatform === 'generic-linux' || hostPlatform === 'generic-linux-arm64')
-      logPolitely('BEWARE: your OS is not officially supported by Playwright; downloading Ubuntu build as a fallback.');
+      logPolitely('BEWARE: your OS is not officially supported by Playwright; downloading fallback build.');
     const downloadPath = util.format(downloadPathTemplate, descriptor.revision);
 
     let downloadURLs = PLAYWRIGHT_CDN_MIRRORS.map(mirror => `${mirror}/${downloadPath}`) ;

packages/playwright-core/src/server/registry/nativeDeps.ts

@@ -647,6 +647,176 @@ export const deps: any = {
       'libx264.so': 'libx264-163',
       'libvpx.so.7': 'libvpx7'
     },
+  },
+  'debian11': {
+    tools: [
+      'xvfb',
+      'fonts-noto-color-emoji',
+      'fonts-unifont',
+      'libfontconfig1',
+      'libfreetype6',
+      'xfonts-cyrillic',
+      'xfonts-scalable',
+      'fonts-liberation',
+      'fonts-ipafont-gothic',
+      'fonts-wqy-zenhei',
+      'fonts-tlwg-loma-otf',
+      'fonts-freefont-ttf',
+    ],
+    chromium: [
+      'libasound2',
+      'libatk-bridge2.0-0',
+      'libatk1.0-0',
+      'libatspi2.0-0',
+      'libcairo2',
+      'libcups2',
+      'libdbus-1-3',
+      'libdrm2',
+      'libgbm1',
+      'libglib2.0-0',
+      'libnspr4',
+      'libnss3',
+      'libpango-1.0-0',
+      'libwayland-client0',
+      'libx11-6',
+      'libxcb1',
+      'libxcomposite1',
+      'libxdamage1',
+      'libxext6',
+      'libxfixes3',
+      'libxkbcommon0',
+      'libxrandr2'
+    ],
+    firefox: [
+      'libasound2',
+      'libatk1.0-0',
+      'libcairo-gobject2',
+      'libcairo2',
+      'libdbus-1-3',
+      'libdbus-glib-1-2',
+      'libfontconfig1',
+      'libfreetype6',
+      'libgdk-pixbuf-2.0-0',
+      'libglib2.0-0',
+      'libgtk-3-0',
+      'libharfbuzz0b',
+      'libpango-1.0-0',
+      'libpangocairo-1.0-0',
+      'libx11-6',
+      'libx11-xcb1',
+      'libxcb-shm0',
+      'libxcb1',
+      'libxcomposite1',
+      'libxcursor1',
+      'libxdamage1',
+      'libxext6',
+      'libxfixes3',
+      'libxi6',
+      'libxrandr2',
+      'libxrender1',
+      'libxtst6'
+    ],
+    webkit: [
+      // We use universal build on debian so webkit does not require any dependencies.
+    ],
+    lib2package: {
+      'libasound.so.2': 'libasound2',
+      'libatk-1.0.so.0': 'libatk1.0-0',
+      'libatk-bridge-2.0.so.0': 'libatk-bridge2.0-0',
+      'libatomic.so.1': 'libatomic1',
+      'libatspi.so.0': 'libatspi2.0-0',
+      'libc.so.6': 'libc6',
+      'libcairo-gobject.so.2': 'libcairo-gobject2',
+      'libcairo.so.2': 'libcairo2',
+      'libcups.so.2': 'libcups2',
+      'libdbus-1.so.3': 'libdbus-1-3',
+      'libdbus-glib-1.so.2': 'libdbus-glib-1-2',
+      'libdl.so.2': 'libc6',
+      'libdrm.so.2': 'libdrm2',
+      'libEGL.so.1': 'libegl1',
+      'libenchant-2.so.2': 'libenchant-2-2',
+      'libepoxy.so.0': 'libepoxy0',
+      'libfontconfig.so.1': 'libfontconfig1',
+      'libfreetype.so.6': 'libfreetype6',
+      'libgbm.so.1': 'libgbm1',
+      'libgcc_s.so.1': 'libgcc-s1',
+      'libgcrypt.so.20': 'libgcrypt20',
+      'libgdk_pixbuf-2.0.so.0': 'libgdk-pixbuf-2.0-0',
+      'libgdk-3.so.0': 'libgtk-3-0',
+      'libgio-2.0.so.0': 'libglib2.0-0',
+      'libGLESv2.so.2': 'libgles2',
+      'libglib-2.0.so.0': 'libglib2.0-0',
+      'libGLX.so.0': 'libglx0',
+      'libgmodule-2.0.so.0': 'libglib2.0-0',
+      'libgobject-2.0.so.0': 'libglib2.0-0',
+      'libgpg-error.so.0': 'libgpg-error0',
+      'libgstallocators-1.0.so.0': 'libgstreamer-plugins-base1.0-0',
+      'libgstapp-1.0.so.0': 'libgstreamer-plugins-base1.0-0',
+      'libgstaudio-1.0.so.0': 'libgstreamer-plugins-base1.0-0',
+      'libgstbase-1.0.so.0': 'libgstreamer1.0-0',
+      'libgstcodecparsers-1.0.so.0': 'libgstreamer-plugins-bad1.0-0',
+      'libgstfft-1.0.so.0': 'libgstreamer-plugins-base1.0-0',
+      'libgstgl-1.0.so.0': 'libgstreamer-gl1.0-0',
+      'libgstpbutils-1.0.so.0': 'libgstreamer-plugins-base1.0-0',
+      'libgstreamer-1.0.so.0': 'libgstreamer1.0-0',
+      'libgsttag-1.0.so.0': 'libgstreamer-plugins-base1.0-0',
+      'libgstvideo-1.0.so.0': 'libgstreamer-plugins-base1.0-0',
+      'libgtk-3.so.0': 'libgtk-3-0',
+      'libharfbuzz-icu.so.0': 'libharfbuzz-icu0',
+      'libharfbuzz.so.0': 'libharfbuzz0b',
+      'libhyphen.so.0': 'libhyphen0',
+      'libjavascriptcoregtk-4.0.so.18': 'libjavascriptcoregtk-4.0-18',
+      'libjpeg.so.62': 'libjpeg62-turbo',
+      'liblcms2.so.2': 'liblcms2-2',
+      'libm.so.6': 'libc6',
+      'libmanette-0.2.so.0': 'libmanette-0.2-0',
+      'libnotify.so.4': 'libnotify4',
+      'libnspr4.so': 'libnspr4',
+      'libnss3.so': 'libnss3',
+      'libnssutil3.so': 'libnss3',
+      'libOpenGL.so.0': 'libopengl0',
+      'libopenjp2.so.7': 'libopenjp2-7',
+      'libopus.so.0': 'libopus0',
+      'libpango-1.0.so.0': 'libpango-1.0-0',
+      'libpangocairo-1.0.so.0': 'libpangocairo-1.0-0',
+      'libpng16.so.16': 'libpng16-16',
+      'libpthread.so.0': 'libc6',
+      'libsecret-1.so.0': 'libsecret-1-0',
+      'libsmime3.so': 'libnss3',
+      'libsoup-2.4.so.1': 'libsoup2.4-1',
+      'libsqlite3.so.0': 'libsqlite3-0',
+      'libstdc++.so.6': 'libstdc++6',
+      'libsystemd.so.0': 'libsystemd0',
+      'libtasn1.so.6': 'libtasn1-6',
+      'libvpx.so.6': 'libvpx6',
+      'libwayland-client.so.0': 'libwayland-client0',
+      'libwayland-egl.so.1': 'libwayland-egl1',
+      'libwayland-server.so.0': 'libwayland-server0',
+      'libwebkit2gtk-4.0.so.37': 'libwebkit2gtk-4.0-37',
+      'libwebpdemux.so.2': 'libwebpdemux2',
+      'libwoff2dec.so.1.0.2': 'libwoff1',
+      'libwpe-1.0.so.1': 'libwpe-1.0-1',
+      'libWPEBackend-fdo-1.0.so.1': 'libwpebackend-fdo-1.0-1',
+      'libWPEWebKit-1.0.so.3': 'libwpewebkit-1.0-3',
+      'libX11-xcb.so.1': 'libx11-xcb1',
+      'libX11.so.6': 'libx11-6',
+      'libxcb-shm.so.0': 'libxcb-shm0',
+      'libxcb.so.1': 'libxcb1',
+      'libXcomposite.so.1': 'libxcomposite1',
+      'libXcursor.so.1': 'libxcursor1',
+      'libXdamage.so.1': 'libxdamage1',
+      'libXext.so.6': 'libxext6',
+      'libXfixes.so.3': 'libxfixes3',
+      'libXi.so.6': 'libxi6',
+      'libxkbcommon.so.0': 'libxkbcommon0',
+      'libxml2.so.2': 'libxml2',
+      'libXrandr.so.2': 'libxrandr2',
+      'libXrender.so.1': 'libxrender1',
+      'libxslt.so.1': 'libxslt1.1',
+      'libXt.so.6': 'libxt6',
+      'libXtst.so.6': 'libxtst6',
+      'libz.so.1': 'libzadc4',
+    },
   }
 };
 

packages/playwright-core/src/utils/hostPlatform.ts

@@ -15,7 +15,7 @@
  */
 
 import os from 'os';
-import { getUbuntuVersionSync } from './ubuntuVersion';
+import { getLinuxDistributionInfoSync } from './linuxUtils';
 
 export type HostPlatform = 'win64' |
                            'mac10.13' |
@@ -25,6 +25,7 @@ export type HostPlatform = 'win64' |
                            'mac12' | 'mac12-arm64' |
                            'ubuntu18.04' | 'ubuntu18.04-arm64' |
                            'ubuntu20.04' | 'ubuntu20.04-arm64' |
+                           'debian11' |
                            'generic-linux' | 'generic-linux-arm64' |
                            '<unknown>';
 
@@ -53,15 +54,20 @@ export const hostPlatform = ((): HostPlatform => {
   }
   if (platform === 'linux') {
     const archSuffix = os.arch() === 'arm64' ? '-arm64' : '';
-    const ubuntuVersion = getUbuntuVersionSync();
+    const distroInfo = getLinuxDistributionInfoSync();
-    if (!ubuntuVersion)
+
-      return ('generic-linux' + archSuffix) as HostPlatform;
+    // Pop!_OS is ubuntu-based and has the same versions.
-    if (parseInt(ubuntuVersion, 10) <= 19)
+    if (distroInfo?.id === 'ubuntu' || distroInfo?.id === 'pop') {
+      if (parseInt(distroInfo.version, 10) <= 19)
         return ('ubuntu18.04' + archSuffix) as HostPlatform;
-    if (parseInt(ubuntuVersion, 10) <= 21)
+      if (parseInt(distroInfo.version, 10) <= 21)
         return ('ubuntu20.04' + archSuffix) as HostPlatform;
       return ('ubuntu22.04' + archSuffix) as HostPlatform;
     }
+    if (distroInfo?.id === 'debian' && distroInfo?.version === '11' && !archSuffix)
+      return 'debian11';
+    return ('generic-linux' + archSuffix) as HostPlatform;
+  }
   if (platform === 'win32')
     return 'win64';
   return '<unknown>';

packages/playwright-core/src/utils/linuxUtils.ts

@@ -0,0 +1,80 @@
+/**
+ * Copyright 2017 Google Inc. All rights reserved.
+ * Modifications copyright (c) Microsoft Corporation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import fs from 'fs';
+
+let didFailToReadOSRelease = false;
+let osRelease: {
+  id: string,
+  version: string,
+} | undefined;
+
+export async function getLinuxDistributionInfo(): Promise<{ id: string, version: string } | undefined> {
+  if (process.platform !== 'linux')
+    return undefined;
+  if (!osRelease && !didFailToReadOSRelease) {
+    try {
+      // List of /etc/os-release values for different distributions could be
+      // found here: https://gist.github.com/aslushnikov/8ceddb8288e4cf9db3039c02e0f4fb75
+      const osReleaseText = await fs.promises.readFile('/etc/os-release', 'utf8');
+      const fields = parseOSReleaseText(osReleaseText);
+      osRelease = {
+        id: fields.get('id') ?? '',
+        version: fields.get('version_id') ?? '',
+      };
+    } catch (e) {
+      didFailToReadOSRelease = true;
+    }
+  }
+  return osRelease;
+}
+
+export function getLinuxDistributionInfoSync(): { id: string, version: string } | undefined {
+  if (process.platform !== 'linux')
+    return undefined;
+  if (!osRelease && !didFailToReadOSRelease) {
+    try {
+      // List of /etc/os-release values for different distributions could be
+      // found here: https://gist.github.com/aslushnikov/8ceddb8288e4cf9db3039c02e0f4fb75
+      const osReleaseText = fs.readFileSync('/etc/os-release', 'utf8');
+      const fields = parseOSReleaseText(osReleaseText);
+      osRelease = {
+        id: fields.get('id') ?? '',
+        version: fields.get('version_id') ?? '',
+      };
+    } catch (e) {
+      didFailToReadOSRelease = true;
+    }
+  }
+  return osRelease;
+}
+
+function parseOSReleaseText(osReleaseText: string): Map<string, string> {
+  const fields = new Map();
+  for (const line of osReleaseText.split('\n')) {
+    const tokens = line.split('=');
+    const name = tokens.shift();
+    let value = tokens.join('=').trim();
+    if (value.startsWith('"') && value.endsWith('"'))
+      value = value.substring(1, value.length - 1);
+    if (!name)
+      continue;
+    fields.set(name.toLowerCase(), value);
+  }
+  return fields;
+}
+

packages/playwright-core/src/utils/ubuntuVersion.ts

@@ -1,91 +0,0 @@
-/**
- * Copyright 2017 Google Inc. All rights reserved.
- * Modifications copyright (c) Microsoft Corporation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import fs from 'fs';
-import * as os from 'os';
-
-let ubuntuVersionCached: string | undefined;
-
-export async function getUbuntuVersion(): Promise<string> {
-  if (ubuntuVersionCached === undefined)
-    ubuntuVersionCached = await getUbuntuVersionAsyncInternal();
-  return ubuntuVersionCached;
-}
-
-export function getUbuntuVersionSync(): string {
-  if (ubuntuVersionCached === undefined)
-    ubuntuVersionCached = getUbuntuVersionSyncInternal();
-  return ubuntuVersionCached;
-}
-
-async function getUbuntuVersionAsyncInternal(): Promise<string> {
-  if (os.platform() !== 'linux')
-    return '';
-  let osReleaseText = await fs.promises.readFile('/etc/upstream-release/lsb-release', 'utf8').catch(e => '');
-  if (!osReleaseText)
-    osReleaseText = await fs.promises.readFile('/etc/os-release', 'utf8').catch(e => '');
-  if (!osReleaseText)
-    return '';
-  return parseUbuntuVersion(osReleaseText);
-}
-
-function getUbuntuVersionSyncInternal(): string {
-  if (os.platform() !== 'linux')
-    return '';
-  try {
-    let osReleaseText: string;
-    if (fs.existsSync('/etc/upstream-release/lsb-release'))
-      osReleaseText = fs.readFileSync('/etc/upstream-release/lsb-release', 'utf8');
-    else
-      osReleaseText = fs.readFileSync('/etc/os-release', 'utf8');
-    if (!osReleaseText)
-      return '';
-    return parseUbuntuVersion(osReleaseText);
-  } catch (e) {
-    return '';
-  }
-}
-
-export function parseOSReleaseText(osReleaseText: string): Map<string, string> {
-  const fields = new Map();
-  for (const line of osReleaseText.split('\n')) {
-    const tokens = line.split('=');
-    const name = tokens.shift();
-    let value = tokens.join('=').trim();
-    if (value.startsWith('"') && value.endsWith('"'))
-      value = value.substring(1, value.length - 1);
-    if (!name)
-      continue;
-    fields.set(name.toLowerCase(), value);
-  }
-  return fields;
-}
-
-function parseUbuntuVersion(osReleaseText: string): string {
-  const fields = parseOSReleaseText(osReleaseText);
-  // For Linux mint
-  if (fields.get('distrib_id') && fields.get('distrib_id')?.toLowerCase() === 'ubuntu')
-    return fields.get('distrib_release') || '';
-
-  // For Pop!_OS
-  if (fields.get('id') && fields.get('id')?.toLowerCase() === 'pop')
-    return fields.get('version_id') || '';
-
-  if (!fields.get('name') || fields.get('name')?.toLowerCase() !== 'ubuntu')
-    return '';
-  return fields.get('version_id') || '';
-}