From b9db3d92af73cfb54b5440fb209d6e4dfaf79ab2 Mon Sep 17 00:00:00 2001
From: osiris-plus <65327967+osiris-plus@users.noreply.github.com>
Date: Tue, 22 Jul 2025 07:59:52 +0300
Subject: [PATCH] fix path.join failing due to undefined
 process.env.DOTNET_ROOT (#1306)

---
 src-electron/main.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src-electron/main.js b/src-electron/main.js
index 4094c3f7..99811eff 100644
--- a/src-electron/main.js
+++ b/src-electron/main.js
@@ -748,11 +748,19 @@ function getVersion() {
 }
 
 function isDotNetInstalled() {
-    let dotnetPath = path.join(process.env.DOTNET_ROOT, 'dotnet');
-    if (!process.env.DOTNET_ROOT || !fs.existsSync(dotnetPath)) {
+    let dotnetPath;
+
+    if (process.env.DOTNET_ROOT) {
+        dotnetPath = path.join(process.env.DOTNET_ROOT, 'dotnet');
+        if (!fs.existsSync(dotnetPath)) {
+            // fallback to command
+            dotnetPath = 'dotnet';
+        }
+    } else {
         // fallback to command
         dotnetPath = 'dotnet';
     }
+
     console.log('Checking for .NET installation at:', dotnetPath);
 
     // Fallback to system .NET runtime