Merge 9673bc2 into fb6724d

hirak · Feb 25, 2020 · 4ce3eba · 4ce3eba
2 parents fb6724d + 9673bc2
commit 4ce3eba
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/Plugin.php b/src/Plugin.php
@@ -72,6 +72,12 @@ class_exists(__NAMESPACE__ . '\\' . $class);
         $this->config = $composer->getConfig();
         $this->package = $composer->getPackage();
 
+        $cacheDir = rtrim($this->config->get('cache-files-dir'), '\/');
+
+        if (preg_match('{(^|[\\\\/])(\$null|nul|NUL|/dev/null)([\\\\/]|$)}', $cacheDir)) {
+            return $this->disable();
+        }
+
         if (array_key_exists('argv', $GLOBALS)) {
             if (in_array('help', $GLOBALS['argv'])) {
                 return $this->disable();