From 7ceed52765732ddd73c7444f4260aa1dfe69e8d9 Mon Sep 17 00:00:00 2001
From: Rimon Hanna <rimon.hanna@live.com>
Date: Wed, 7 Oct 2020 17:50:44 +0200
Subject: [PATCH] Update action.js

---
 action.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/action.js b/action.js
index 700d0a305..e6a183108 100644
--- a/action.js
+++ b/action.js
@@ -57,7 +57,7 @@ Toolkit.run(async tools => {
       ['version', '--allow-same-version=true', '--git-tag-version=false', current])
     console.log('current:', current, '/', 'version:', version)
     newVersion = execSync(`npm version --git-tag-version=false ${version}`).toString().trim()
-    newVersion = `${process.env['INPUT_TAG-PREFIX']}${newVersion}`
+    newVersion = (process.env['INPUT_TAG-PREFIX'] != null)? `${process.env['INPUT_TAG-PREFIX']}${newVersion}`: `${newVersion}`
     console.log('new version:', newVersion)
     try {
       // to support "actions/checkout@v1"