fix(env): throw an error on a system that uses MUSL libc (#4958)

.changeset/strong-ways-tap.md

@@ -0,0 +1,6 @@
+---
+"@pnpm/node.fetcher": patch
+"pnpm": patch
+---
+
+`pnpm env use` should throw an error on a system that use the MUSL libc.

packages/node.fetcher/package.json

@@ -35,11 +35,13 @@
   },
   "homepage": "https://github.com/pnpm/pnpm/blob/main/packages/node.fetcher#readme",
   "dependencies": {
+    "@pnpm/error": "workspace:2.1.0",
     "@pnpm/fetcher-base": "workspace:11.2.0",
     "@pnpm/fetching-types": "workspace:2.2.1",
     "@pnpm/package-store": "workspace:12.2.0",
     "@pnpm/tarball-fetcher": "workspace:9.3.19",
     "adm-zip": "^0.5.5",
+    "detect-libc": "^2.0.1",
     "rename-overwrite": "^4.0.2",
     "tempy": "^1.0.1"
   },

packages/node.fetcher/src/index.ts

@@ -1,5 +1,6 @@
 import fs from 'fs'
 import path from 'path'
+import PnpmError from '@pnpm/error'
 import {
   FetchFromRegistry,
   RetryTimeoutOptions,
@@ -10,6 +11,7 @@ import createFetcher, { waitForFilesIndex } from '@pnpm/tarball-fetcher'
 import AdmZip from 'adm-zip'
 import renameOverwrite from 'rename-overwrite'
 import tempy from 'tempy'
+import { isNonGlibcLinux } from 'detect-libc'
 import { getNodeTarball } from './getNodeTarball'
 
 export interface FetchNodeOptions {
@@ -20,6 +22,9 @@ export interface FetchNodeOptions {
 }
 
 export async function fetchNode (fetch: FetchFromRegistry, version: string, targetDir: string, opts: FetchNodeOptions) {
+  if (await isNonGlibcLinux()) {
+    throw new PnpmError('MUSL', 'The current system uses the "MUSL" C standard library. Node.js currently has prebuilt artifacts only for the "glibc" libc, so we can install Node.js only for glibc')
+  }
   const nodeMirrorBaseUrl = opts.nodeMirrorBaseUrl ?? 'https://nodejs.org/download/release/'
   const { tarball, pkgName } = getNodeTarball(version, nodeMirrorBaseUrl, process.platform, process.arch)
   if (tarball.endsWith('.zip')) {

packages/node.fetcher/test/node.test.ts

@@ -4,6 +4,11 @@ import path from 'path'
 import { Readable } from 'stream'
 import { fetchNode, FetchNodeOptions } from '@pnpm/node.fetcher'
 import { tempDir } from '@pnpm/prepare'
+import { isNonGlibcLinux } from 'detect-libc'
+
+jest.mock('detect-libc', () => ({
+  isNonGlibcLinux: jest.fn(),
+}))
 
 const fetchMock = jest.fn(async (url: string) => {
   if (url.endsWith('.zip')) {
@@ -20,6 +25,7 @@ const fetchMock = jest.fn(async (url: string) => {
 })
 
 beforeEach(() => {
+  isNonGlibcLinux['mockReturnValue'](Promise.resolve(false))
   fetchMock.mockClear()
 })
 
@@ -52,3 +58,16 @@ test('install Node using the default node mirror', async () => {
     expect(call[0]).toMatch('https://nodejs.org/download/release/')
   }
 })
+
+test('install Node using a custom node mirror', async () => {
+  isNonGlibcLinux['mockReturnValue'](Promise.resolve(true))
+  tempDir()
+
+  const opts: FetchNodeOptions = {
+    cafsDir: path.resolve('files'),
+  }
+
+  await expect(
+    fetchNode(fetchMock, '16.4.0', path.resolve('node'), opts)
+  ).rejects.toThrow('The current system uses the "MUSL" C standard library. Node.js currently has prebuilt artifacts only for the "glibc" libc, so we can install Node.js only for glibc')
+})

packages/node.fetcher/tsconfig.json

@@ -12,6 +12,9 @@
     {
       "path": "../../privatePackages/prepare"
     },
+    {
+      "path": "../error"
+    },
     {
       "path": "../fetcher-base"
     },