Merge branch '2.8' into 3.4

* 2.8:
  [DomCrawler] Fix ChoiceFormField::select() PHPDoc
  [HttpFoundation] add tests for FlashBagInterface::setAll()
  Check for Hyper terminal on all operating systems.
  Prevent toolbar links color override by css

Author: nicolas-grekas

Output/StreamOutput.php

@@ -93,13 +93,16 @@ protected function doWrite($message, $newline)
      */
     protected function hasColorSupport()
     {
+        if ('Hyper' === getenv('TERM_PROGRAM')) {
+            return true;
+        }
+
         if (DIRECTORY_SEPARATOR === '\\') {
             return (function_exists('sapi_windows_vt100_support')
                 && @sapi_windows_vt100_support($this->stream))
                 || false !== getenv('ANSICON')
                 || 'ON' === getenv('ConEmuANSI')
-                || 'xterm' === getenv('TERM')
-                || 'Hyper' === getenv('TERM_PROGRAM');
+                || 'xterm' === getenv('TERM');
         }
 
         if (function_exists('stream_isatty')) {

Style/SymfonyStyle.php

@@ -269,7 +269,7 @@ public function createProgressBar($max = 0)
     {
         $progressBar = parent::createProgressBar($max);
 
-        if ('\\' !== DIRECTORY_SEPARATOR ||  'Hyper' === getenv('TERM_PROGRAM')) {
+        if ('\\' !== DIRECTORY_SEPARATOR || 'Hyper' === getenv('TERM_PROGRAM')) {
             $progressBar->setEmptyBarCharacter('░'); // light shade character \u2591
             $progressBar->setProgressCharacter('');
             $progressBar->setBarCharacter('▓'); // dark shade character \u2593