fix: only use $HOME environmental variable if it exists

karma-runner · Mar 4, 2017 · 3ffa514 · 3ffa514
1 parent 9f28aa9
commit 3ffa514
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/index.js b/index.js
@@ -77,10 +77,13 @@ var getFirefoxWithFallbackOnOSX = function() {
   var homeBin;
   for (var i = 0; i < firefoxDirNames.length; i++) {
     bin = prefix + firefoxDirNames[i] + suffix;
-    homeBin = path.join(process.env.HOME, bin);
 
-    if (fs.existsSync(homeBin)) {
-      return homeBin;
+    if ('HOME' in process.env) {
+      homeBin = path.join(process.env.HOME, bin);
+
+      if (fs.existsSync(homeBin)) {
+        return homeBin;
+      }
     }
 
     if (fs.existsSync(bin)) {