Use pnpm.js to install pnpm

action.yml

@@ -11,14 +11,6 @@ inputs:
     description: Where to store PNPM files
     required: false
     default: ~/setup-pnpm
-  bin_dest:
-    description: Where to store executables (pnpm and pnpx commands)
-    required: false
-    default: ~/setup-pnpm/.bin
-  registry:
-    description: Registry to download PNPM from
-    required: false
-    default: https://registry.npmjs.com
   run_install:
     description: If specified, run `pnpm install`
     required: false

package.json

@@ -11,10 +11,12 @@
     "expand-tilde": "^2.0.2",
     "js-yaml": "^4.0.0",
     "ajv": "^6.12.5",
+    "fs-extra": "^9.1.0",
     "@actions/core": "^1.2.6",
     "@types/expand-tilde": "^2.0.0",
     "@types/node-fetch": "^2.5.8",
     "@types/js-yaml": "^4.0.0",
+    "@types/fs-extra": "^9.0.8",
     "@types/node": "^14.14.35"
   },
   "devDependencies": {

pnpm-lock.yaml

@@ -1,11 +1,13 @@
 dependencies:
   '@actions/core': 1.2.6
   '@types/expand-tilde': 2.0.0
+  '@types/fs-extra': 9.0.8
   '@types/js-yaml': 4.0.0
   '@types/node': 14.14.35
   '@types/node-fetch': 2.5.8
   ajv: 6.12.6
   expand-tilde: 2.0.2
+  fs-extra: 9.1.0
   js-yaml: 4.0.0
   node-fetch: 2.6.1
 devDependencies:
@@ -175,6 +177,12 @@ packages:
     dev: true
     resolution:
       integrity: sha512-UoOfVEzAUpeSPmjm7h1uk5MH6KZma2z2O7a75onTGjnNvAvMVrPzPL/vBbT65iIGHWj6rokwfmYcmxmlSf2uwg==
+  /@types/fs-extra/9.0.8:
+    dependencies:
+      '@types/node': 14.14.35
+    dev: false
+    resolution:
+      integrity: sha512-bnlTVTwq03Na7DpWxFJ1dvnORob+Otb8xHyUqUWhqvz/Ksg8+JXPlR52oeMSZ37YEOa5PyccbgUNutiQdi13TA==
   /@types/js-yaml/3.12.3:
     dev: true
     resolution:
@@ -278,6 +286,12 @@ packages:
     dev: false
     resolution:
       integrity: sha1-x57Zf380y48robyXkLzDZkdLS3k=
+  /at-least-node/1.0.0:
+    dev: false
+    engines:
+      node: '>= 4.0.0'
+    resolution:
+      integrity: sha512-+q/t7Ekv1EDY2l6Gda6LLiX14rU9TV20Wa3ofeQmwPFZbOMo9DXrLbOjFaaclkXKWidIaopwAObQDqwWtGUjqg==
   /balanced-match/1.0.0:
     dev: true
     resolution:
@@ -444,6 +458,17 @@ packages:
       node: '>=6 <7 || >=8'
     resolution:
       integrity: sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==
+  /fs-extra/9.1.0:
+    dependencies:
+      at-least-node: 1.0.0
+      graceful-fs: 4.2.3
+      jsonfile: 6.1.0
+      universalify: 2.0.0
+    dev: false
+    engines:
+      node: '>=10'
+    resolution:
+      integrity: sha512-hcg3ZmepS30/7BSFqRvoo3DOMQu7IjqxO5nCDt+zM9XWjb33Wg7ziNT+Qvqbuc3+gWpzO02JubVyk2G4Zvo1OQ==
   /fs.realpath/1.0.0:
     dev: true
     resolution:
@@ -466,7 +491,6 @@ packages:
     resolution:
       integrity: sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
   /graceful-fs/4.2.3:
-    dev: true
     resolution:
       integrity: sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==
   /homedir-polyfill/1.0.3:
@@ -530,6 +554,14 @@ packages:
       graceful-fs: 4.2.3
     resolution:
       integrity: sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=
+  /jsonfile/6.1.0:
+    dependencies:
+      universalify: 2.0.0
+    dev: false
+    optionalDependencies:
+      graceful-fs: 4.2.3
+    resolution:
+      integrity: sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==
   /jsonify/0.0.0:
     dev: true
     resolution:
@@ -731,6 +763,12 @@ packages:
       node: '>= 4.0.0'
     resolution:
       integrity: sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==
+  /universalify/2.0.0:
+    dev: false
+    engines:
+      node: '>= 10.0.0'
+    resolution:
+      integrity: sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==
   /uri-js/4.2.2:
     dependencies:
       punycode: 2.1.1
@@ -828,12 +866,14 @@ specifiers:
   '@actions/core': ^1.2.6
   '@ts-schema-autogen/cli': ^0.1.2
   '@types/expand-tilde': ^2.0.0
+  '@types/fs-extra': ^9.0.8
   '@types/js-yaml': ^4.0.0
   '@types/node': ^14.14.35
   '@types/node-fetch': ^2.5.8
   '@vercel/ncc': ^0.27.0
   ajv: ^6.12.5
   expand-tilde: ^2.0.2
+  fs-extra: ^9.1.0
   js-yaml: ^4.0.0
   node-fetch: ^2.6.1
   typescript: ^4.2.3

run.sh

@@ -3,7 +3,5 @@
 export HOME="$(pwd)"
 export INPUT_VERSION=4.11.1
 export INPUT_DEST='~/pnpm.temp'
-export INPUT_BIN_DEST='~/pnpm.temp/.bin'
-export INPUT_REGISTRY=https://registry.npmjs.com
 export INPUT_RUN_INSTALL=null
 exec node dist/index.js

src/inputs/index.ts

@@ -5,8 +5,6 @@ import { RunInstall, parseRunInstall } from './run-install'
 export interface Inputs {
   readonly version: string
   readonly dest: string
-  readonly binDest: string
-  readonly registry: string
   readonly runInstall: RunInstall[]
 }
 
@@ -19,8 +17,6 @@ const parseInputPath = (name: string) => expandTilde(getInput(name, options))
 export const getInputs = (): Inputs => ({
   version: getInput('version', options),
   dest: parseInputPath('dest'),
-  binDest: parseInputPath('bin_dest'),
-  registry: getInput('registry', options),
   runInstall: parseRunInstall('run_install'),
 })
 

src/install-pnpm/run.ts

@@ -1,20 +1,24 @@
 import { spawn } from 'child_process'
 import { execPath } from 'process'
-import { downloadSelfInstaller } from '../self-installer'
+import { join } from 'path'
+import { remove, ensureFile, writeFile } from 'fs-extra'
+import fetch from 'node-fetch'
 import { Inputs } from '../inputs'
 
 export async function runSelfInstaller(inputs: Inputs): Promise<number> {
-  const cp = spawn(execPath, {
-    env: {
-      PNPM_VERSION: inputs.version,
-      PNPM_DEST: inputs.dest,
-      PNPM_BIN_DEST: inputs.binDest,
-      PNPM_REGISTRY: inputs.registry,
-    },
+  const { version, dest } = inputs
+  const target = version ? `pnpm@${version}` : 'pnpm'
+  const pkgJson = join(dest, 'package.json')
+
+  await remove(dest)
+  await ensureFile(pkgJson)
+  await writeFile(pkgJson, JSON.stringify({ private: true }))
+
+  const cp = spawn(execPath, ['-', 'install', target, '--no-lockfile'], {
     stdio: ['pipe', 'inherit', 'inherit'],
   })
 
-  const response = await downloadSelfInstaller()
+  const response = await fetch('https://pnpm.js.org/pnpm.js')
   response.body.pipe(cp.stdin)
 
   return new Promise((resolve, reject) => {

src/outputs/index.ts

@@ -1,10 +1,12 @@
 import { setOutput, addPath } from '@actions/core'
 import { Inputs } from '../inputs'
+import { getBinDest } from '../utils'
 
 export function setOutputs(inputs: Inputs) {
-  addPath(inputs.binDest)
+  const binDest = getBinDest(inputs)
+  addPath(binDest)
   setOutput('dest', inputs.dest)
-  setOutput('bin_dest', inputs.binDest)
+  setOutput('bin_dest', binDest)
 }
 
 export default setOutputs

src/self-installer/download.ts

@@ -1,4 +0,0 @@
-import fetch from 'node-fetch'
-import url from './url'
-export const downloadSelfInstaller = () => fetch(url)
-export default downloadSelfInstaller

src/self-installer/index.ts

@@ -1,2 +0,0 @@
-export * from './url'
-export * from './download'

src/self-installer/url.ts

@@ -1,3 +0,0 @@
-export const ref = '301414cec74a2b6b63c95b42f2ad1790ccb980ed'
-export const url = `https://raw.githubusercontent.com/pnpm/self-installer/${ref}/install.js`
-export default url

src/utils/index.ts

@@ -2,7 +2,9 @@ import process from 'process'
 import path from 'path'
 import { Inputs } from '../inputs'
 
+export const getBinDest = (inputs: Inputs): string => path.join(inputs.dest, 'node_modules', '.bin')
+
 export const patchPnpmEnv = (inputs: Inputs): NodeJS.ProcessEnv => ({
   ...process.env,
-  PATH: inputs.binDest + path.delimiter + process.env.PATH
+  PATH: getBinDest(inputs) + path.delimiter + process.env.PATH
 })