Try different ways

.gitattributes

@@ -1,2 +1,2 @@
 *	text=auto
-dist/index.js	-text
+/dist/index.js	binary

README.md

@@ -20,6 +20,10 @@ Install PNPM package manager.
 
 **Optional** Registry to download PNPM from.
 
+### `run_install`
+
+**Optional** If specified, run `pnpm install`.
+
 ## Outputs
 
 ### `dest`
@@ -28,7 +32,7 @@ Expanded path of inputs#dest.
 
 ### `bin_dest`
 
-Expanded path of inputs@bin_dest.
+Expanded path of inputs#bin_dest.
 
 ## Usage example
 

action.yml

@@ -19,6 +19,11 @@ inputs:
     description: Registry to download PNPM from
     required: false
     default: https://registry.npmjs.com
+  run_install:
+    description: If specified, run `pnpm install`
+    required: false
+    default: 'null'
 runs:
   using: node12
   main: dist/index.js
+  post: dist/index.js

package.json

@@ -1,20 +1,25 @@
 {
   "private": true,
   "scripts": {
+    "build:schemas": "ts-schema-autogen generate",
     "build:ncc": "ncc build --minify --no-source-map-register --no-cache dist/tsc/index.js --out dist/",
-    "build": "tsc && pnpm run build:ncc",
+    "build": "pnpm run build:schemas && tsc && pnpm run build:ncc",
     "start": "pnpm run build && sh ./run.sh"
   },
   "dependencies": {
-    "download": "^8.0.0",
+    "node-fetch": "^2.6.0",
     "expand-tilde": "^2.0.2",
+    "js-yaml": "^3.13.1",
+    "ajv": "^6.12.0",
     "@actions/core": "^1.2.4",
-    "@types/download": "^6.2.4",
     "@types/expand-tilde": "^2.0.0",
+    "@types/node-fetch": "^2.5.7",
+    "@types/js-yaml": "^3.12.3",
     "@types/node": "^13.13.5"
   },
   "devDependencies": {
     "typescript": "^3.8.3",
+    "@ts-schema-autogen/cli": "^0.1.2",
     "@zeit/ncc": "^0.22.1"
   }
 }

run.sh

@@ -5,4 +5,5 @@ 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/index.ts

@@ -1,14 +1,24 @@
-import { setFailed } from '@actions/core'
+import { setFailed, getState } from '@actions/core'
 import getInputs from './inputs'
 import setOutputs from './outputs'
-import install from './install'
+import installPnpm from './install-pnpm'
+import pnpmInstall from './pnpm-install'
 
 async function main() {
-  const inputs = getInputs()
-  await install(inputs).then(() => {
-    console.log('Installation Completed!')
-    setOutputs(inputs)
+  const isPost = getState('isPost')
+  console.log({
+    is_post: getState('is_post'),
+    isPost: getState('isPost'),
+    STATE_isPost: process.env['STATE_isPost'],
   })
+  if (isPost) {
+    return
+  }
+  const inputs = getInputs()
+  await installPnpm(inputs)
+  console.log('Installation Completed!')
+  setOutputs(inputs)
+  pnpmInstall(inputs)
 }
 
 main().catch(error => {

src/inputs/index.ts

@@ -1,11 +1,13 @@
 import { getInput, InputOptions } from '@actions/core'
 import expandTilde from 'expand-tilde'
+import { RunInstall, parseRunInstall } from './run-install'
 
 export interface Inputs {
   readonly version: string
   readonly dest: string
   readonly binDest: string
   readonly registry: string
+  readonly runInstall: RunInstall[]
 }
 
 const options: InputOptions = {
@@ -19,6 +21,7 @@ export const getInputs = (): Inputs => ({
   dest: parseInputPath('dest'),
   binDest: parseInputPath('bin_dest'),
   registry: getInput('registry', options),
+  runInstall: parseRunInstall('run_install'),
 })
 
 export default getInputs

src/inputs/run-install-input.schema.autogen.json

@@ -0,0 +1,21 @@
+{
+  "$schema": "https://raw.githubusercontent.com/ksxnodeapps/ts-schema-autogen/master/packages/schemas/config.schema.json",
+  "instruction": {
+    "compilerOptions": {
+      "strict": true,
+      "target": "ES2018",
+      "lib": [
+        "ES2018",
+        "ES2019",
+        "ES2020",
+        "ESNext"
+      ],
+      "moduleResolution": "Node",
+      "esModuleInterop": true,
+      "resolveJsonModule": true
+    },
+    "input": "run-install.ts",
+    "symbol": "RunInstallInput",
+    "output": "run-install-input.schema.json"
+  }
+}

src/inputs/run-install-input.schema.json

@@ -0,0 +1,39 @@
+{
+  "anyOf": [
+    {
+      "$ref": "#/definitions/RunInstall"
+    },
+    {
+      "type": "array",
+      "items": {
+        "$ref": "#/definitions/RunInstall"
+      }
+    },
+    {
+      "type": [
+        "null",
+        "boolean"
+      ]
+    }
+  ],
+  "definitions": {
+    "RunInstall": {
+      "type": "object",
+      "properties": {
+        "recursive": {
+          "type": "boolean"
+        },
+        "cwd": {
+          "type": "string"
+        },
+        "args": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        }
+      }
+    }
+  },
+  "$schema": "http://json-schema.org/draft-07/schema#"
+}

src/inputs/run-install.ts

@@ -0,0 +1,40 @@
+import process from 'process'
+import { safeLoad } from 'js-yaml'
+import Ajv from 'ajv'
+import { getInput, error, InputOptions } from '@actions/core'
+import runInstallSchema from './run-install-input.schema.json'
+
+export interface RunInstall {
+  readonly recursive?: boolean
+  readonly cwd?: string
+  readonly args?: readonly string[]
+}
+
+export type RunInstallInput =
+  | null
+  | boolean
+  | RunInstall
+  | RunInstall[]
+
+const options: InputOptions = {
+  required: true,
+}
+
+export function parseRunInstall(name: string): RunInstall[] {
+  const result: RunInstallInput = safeLoad(getInput(name, options))
+  const ajv = new Ajv({
+    allErrors: true,
+    async: false,
+  })
+  const validate = ajv.compile(runInstallSchema)
+  if (!validate(result)) {
+    for (const errorItem of validate.errors!) {
+      error(`with.run_install${errorItem.dataPath}: ${errorItem.message}`)
+    }
+    return process.exit(1)
+  }
+  if (!result) return []
+  if (result === true) return [{ recursive: true }]
+  if (Array.isArray(result)) return result
+  return [result]
+}

src/install-pnpm/run.ts

@@ -3,7 +3,7 @@ import { execPath } from 'process'
 import { downloadSelfInstaller } from '../self-installer'
 import { Inputs } from '../inputs'
 
-export function runSelfInstaller(inputs: Inputs): Promise<number> {
+export async function runSelfInstaller(inputs: Inputs): Promise<number> {
   const cp = spawn(execPath, {
     env: {
       PNPM_VERSION: inputs.version,
@@ -14,7 +14,8 @@ export function runSelfInstaller(inputs: Inputs): Promise<number> {
     stdio: ['pipe', 'inherit', 'inherit'],
   })
 
-  downloadSelfInstaller().pipe(cp.stdin)
+  const response = await downloadSelfInstaller()
+  response.body.pipe(cp.stdin)
 
   return new Promise((resolve, reject) => {
     cp.on('error', reject)

src/pnpm-install/index.ts

@@ -0,0 +1,40 @@
+import process from 'process'
+import path from 'path'
+import { spawnSync } from 'child_process'
+import { setFailed } from '@actions/core'
+import { Inputs } from '../inputs'
+
+export function runPnpmInstall(inputs: Inputs) {
+  const env = {
+    ...process.env,
+    PATH: inputs.binDest + path.delimiter + process.env.PATH
+  }
+
+  for (const options of inputs.runInstall) {
+    const args = ['install']
+    if (options.recursive) args.unshift('recursive')
+    if (options.args) args.push(...options.args)
+
+    const cmdStr = ['pnpm', ...args].join(' ')
+    console.log('Running', cmdStr)
+
+    const { error, status } = spawnSync('pnpm', args, {
+      stdio: 'inherit',
+      cwd: options.cwd,
+      shell: true,
+      env,
+    })
+
+    if (error) {
+      setFailed(error)
+      continue
+    }
+
+    if (status) {
+      setFailed(`Command ${cmdStr} (cwd: ${options.cwd}) exits with status ${status}`)
+      continue
+    }
+  }
+}
+
+export default runPnpmInstall

src/self-installer/download.ts

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