Merge branch '6.1' into 6.2

* 6.1:
  [Console] Fix `Helper::removeDecoration` hyperlink bug
  Guard scripts from being run in non-CLI contexts
  Guard scripts from being run in non-CLI contexts
  [Serializer] fixed traceable decoration priorities
  a readonly property must not be reported as being writable

Author: fabpot

Resources/bin/common.php

@@ -9,6 +9,10 @@
  * file that was distributed with this source code.
  */
 
+if ('cli' !== \PHP_SAPI) {
+    throw new Exception('This script must be run from the command line.');
+}
+
 define('LINE_WIDTH', 75);
 
 define('LINE', str_repeat('-', LINE_WIDTH)."\n");

Resources/bin/update-data.php

@@ -23,6 +23,10 @@
 use Symfony\Component\Intl\Locale;
 use Symfony\Component\Intl\Util\GitRepository;
 
+if ('cli' !== \PHP_SAPI) {
+    throw new Exception('This script must be run from the command line.');
+}
+
 require_once __DIR__.'/common.php';
 require_once __DIR__.'/autoload.php';