Fixed bug #1208 : Excluding files doesn't work when using STDIN with a filename specified

Author: gsherwood

package.xml

@@ -32,6 +32,7 @@ http://pear.php.net/dtd/package-2.0.xsd">
     -- Makes it a lot easier to find and read the error message that was printed
   - Includes all changes from the 2.7.1 release
   - Fixed bug #1167 : 3.0.0RC1 PHAR does not work with PEAR standard
+  - Fixed bug #1208 : Excluding files doesn't work when using STDIN with a filename specified
  </notes>
  <contents>
   <dir name="/">

src/Files/FileList.php

@@ -108,11 +108,9 @@ public function __construct(Config $config, Ruleset $ruleset)
      */
     public function addFile($path, $file=null)
     {
-        // No filtering is done for STDIN.
-        if ($path === 'STDIN'
-            || ($file !== null
-            && get_class($file) === 'PHP_CodeSniffer\Files\DummyFile')
-        ) {
+        // No filtering is done for STDIN when the filename
+        // has not been specified.
+        if ($path === 'STDIN') {
             $this->files[$path] = $file;
             return;
         }