From 3ac35dad40f9a0c4bd67c2056da725c9c35f73a4 Mon Sep 17 00:00:00 2001
From: Filip Skokan <panva.ip@gmail.com>
Date: Thu, 30 Jun 2022 21:55:32 +0200
Subject: [PATCH] This PR adds `node-version` to the action output.

This is present in e.g. setup-python
https://github.com/actions/setup-python/blob/main/action.yml

closes #150
---
 action.yml  |  2 ++
 src/main.ts | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/action.yml b/action.yml
index 7bed73d..a5e4877 100644
--- a/action.yml
+++ b/action.yml
@@ -30,6 +30,8 @@ inputs:
 outputs:
   cache-hit: 
     description: 'A boolean value to indicate if a cache was hit.'
+  node-version:
+    description: 'The installed node version.'
 runs:
   using: 'node16'
   main: 'dist/setup/index.js'
diff --git a/src/main.ts b/src/main.ts
index 3c5661b..106de77 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,4 +1,5 @@
 import * as core from '@actions/core';
+import * as exec from '@actions/exec';
 import * as installer from './installer';
 import fs from 'fs';
 import * as auth from './authutil';
@@ -39,6 +40,17 @@ export async function run() {
       await installer.getNode(version, stable, checkLatest, auth, arch);
     }
 
+    // Output version of node is being used
+    let installedVersion = '';
+    await exec.exec('node', ['--version'], {
+      listeners: {
+        stdout: data => {
+          installedVersion += data.toString();
+        }
+      }
+    });
+    core.setOutput('node-version', installedVersion);
+
     const registryUrl: string = core.getInput('registry-url');
     const alwaysAuth: string = core.getInput('always-auth');
     if (registryUrl) {