BUGFIX: Use configured ruleset name as standard name.

Only this way it's possible to include the original standard in own
phpcs configuration.

src/PHPCodeSniffer/Standards/Standard/Standard.php

@@ -57,8 +57,8 @@ class Standard implements StandardInterface
             );
         }
         $this->path = realpath($path);
-        $this->name = basename($this->path);
         $this->ruleSetXmlPath = $path . DIRECTORY_SEPARATOR . static::RULESET_FILENAME;
+        $this->name = $this->getNameFromRuleSet($this->ruleSetXmlPath);
 
         if (!is_readable($this->ruleSetXmlPath)) {
             throw new InvalidStandardException(
@@ -67,6 +67,22 @@ class Standard implements StandardInterface
         }
     }
 
+    /**
+     * Fetch PHPCodeSniffer standard name from ruleset.xml.
+     *
+     * @param string $ruleSetXmlPath The absolute path to ruleset.xml.
+     * @return string The name of the PHPCodeSniffer standard.
+     */
+    protected function getNameFromRuleSet($ruleSetXmlPath)
+    {
+        try {
+            $ruleSet = new \SimpleXMLElement(file_get_contents($ruleSetXmlPath));
+            return (string) $ruleSet->attributes()['name'];
+        } catch (\Exception $e) {
+            return basename(dirname($ruleSetXmlPath));
+        }
+    }
+
     /**
      * Get the name of the PHPCodeSniffer standard.
      *