test: update pnpm to v9

README.md

@@ -40,11 +40,11 @@ If `run_install` is a YAML string representation of either an object or an array
 
 #### `run_install.args`
 
-**Optional** (_type:_ `string[]`) Additional arguments after `pnpm [recursive] install`, e.g. `[--ignore-scripts, --strict-peer-dependencies]`.
+**Optional** (_type:_ `string[]`) Additional arguments after `pnpm [recursive] install`, e.g. `[--frozen-lockfile, --strict-peer-dependencies]`.
 
 ### `package_json_file`
 
-**Optional** (_type:_ `string`, _default:_ `package.json`) File path to the `package.json`/[`package.yaml`](https://github.com/pnpm/pnpm/pull/1799) to read "packageManager" configuration.
+**Optional** (_type:_ `string`, _default:_ `package.json`) File path to the `package.json` to read "packageManager" configuration.
 
 ### `standalone`
 
@@ -117,9 +117,9 @@ jobs:
       - uses: pnpm/action-setup@v4
         with:
           version: 10
-          run_install:
+          run_install: |
             - recursive: true
-              args: [--strict-peer-dependencies]
+              args: [--frozen-lockfile, --strict-peer-dependencies]
             - args: [--global, gulp, prettier, typescript]
 ```
 

src/install-pnpm/run.ts

@@ -1,6 +1,6 @@
 import { addPath, exportVariable } from '@actions/core'
 import { spawn } from 'child_process'
-import { rm, writeFile, mkdir, copyFile } from 'fs/promises'
+import { rm, writeFile, mkdir } from 'fs/promises'
 import { readFileSync } from 'fs'
 import path from 'path'
 import { execPath } from 'process'
@@ -10,7 +10,6 @@ import YAML from 'yaml'
 
 export async function runSelfInstaller(inputs: Inputs): Promise<number> {
   const { version, dest, packageJsonFile, standalone } = inputs
-  const { GITHUB_WORKSPACE } = process.env
 
   // prepare self install
   await rm(dest, { recursive: true, force: true })
@@ -20,16 +19,6 @@ export async function runSelfInstaller(inputs: Inputs): Promise<number> {
   // we have ensured the dest directory exists, we can write the file directly
   await writeFile(pkgJson, JSON.stringify({ private: true }))
 
-  // copy .npmrc if it exists to install from custom registry
-  if (GITHUB_WORKSPACE) {
-    try {
-      await copyFile(path.join(GITHUB_WORKSPACE, '.npmrc'), path.join(dest, '.npmrc'))
-    } catch (error) {
-      // Swallow error if .npmrc doesn't exist
-      if (!util.types.isNativeError(error) || !('code' in error) || error.code !== 'ENOENT') throw error
-    }
-  }
-
   // prepare target pnpm
   const target = await readTarget({ version, packageJsonFile, standalone })
   const cp = spawn(execPath, [path.join(__dirname, 'pnpm.cjs'), 'install', target, '--no-lockfile'], {
@@ -75,7 +64,6 @@ async function readTarget(opts: {
   if (version) {
     if (
       typeof packageManager === 'string' &&
-      packageManager.startsWith('pnpm@') &&
       packageManager.replace('pnpm@', '') !== version
     ) {
       throw new Error(`Multiple versions of pnpm specified: