Merge branch '6.4' into 7.0

* 6.4:
  [Validator] Missing translations for Estonian (et)
  [HttpFoundation] Prevent duplicated headers when using Early Hints
  [VarDumper] Fix configuring CliDumper with SYMFONY_IDE env var
  [Cache] improve BC with 5.4 pools
  [PhpUnitBridge][VarDumper] fix color detection
  [CI] Make sure we preserve file->header when we run sync-translations.php
  [Cache] Fix BC layer with pre-6.1 cache items
  Review validators.sl.xlf
  [Mailer][Postmark][Webhook] Don't require tag and metadata
  [Scheduler] Fix messenger receiver with no alias

Author: xabbuh

Dumper/CliDumper.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\VarDumper\Dumper;
 
+use Symfony\Component\ErrorHandler\ErrorRenderer\FileLinkFormatter;
 use Symfony\Component\VarDumper\Cloner\Cursor;
 use Symfony\Component\VarDumper\Cloner\Stub;
 
@@ -82,7 +83,7 @@ public function __construct($output = null, ?string $charset = null, int $flags
             ]);
         }
 
-        $this->displayOptions['fileLinkFormat'] = \ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format') ?: 'file://%f#L%l';
+        $this->displayOptions['fileLinkFormat'] = class_exists(FileLinkFormatter::class) ? new FileLinkFormatter() : (\ini_get('xdebug.file_link_format') ?: get_cfg_var('xdebug.file_link_format') ?: 'file://%f#L%l');
     }
 
     /**
@@ -593,7 +594,7 @@ private function hasColorSupport(mixed $stream): bool
         // Detect msysgit/mingw and assume this is a tty because detection
         // does not work correctly, see https://github.com/composer/composer/issues/9690
         if (!@stream_isatty($stream) && !\in_array(strtoupper((string) getenv('MSYSTEM')), ['MINGW32', 'MINGW64'], true)) {
-            return true;
+            return false;
         }
 
         if ('\\' === \DIRECTORY_SEPARATOR && @sapi_windows_vt100_support($stream)) {

Tests/Dumper/CliDumperTest.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\VarDumper\Tests\Dumper;
 
 use PHPUnit\Framework\TestCase;
+use Symfony\Component\VarDumper\Caster\ClassStub;
 use Symfony\Component\VarDumper\Caster\CutStub;
 use Symfony\Component\VarDumper\Cloner\Data;
 use Symfony\Component\VarDumper\Cloner\Stub;
@@ -479,7 +480,7 @@ public function testCollapse()
             ],
             [
                 'bar' => 123,
-            ]
+            ],
         ]);
 
         $dumper = new CliDumper();
@@ -499,4 +500,30 @@ public function testCollapse()
             $dump
         );
     }
+
+    public function testFileLinkFormat()
+    {
+        $data = new Data([
+            [
+                new ClassStub(self::class),
+            ],
+        ]);
+
+        $ide = $_ENV['SYMFONY_IDE'] ?? null;
+        $_ENV['SYMFONY_IDE'] = 'vscode';
+
+        try {
+            $dumper = new CliDumper();
+            $dumper->setColors(true);
+            $dump = $dumper->dump($data, true);
+
+            $this->assertStringMatchesFormat('%svscode:%sCliDumperTest%s', $dump);
+        } finally {
+            if (null === $ide) {
+                unset($_ENV['SYMFONY_IDE']);
+            } else {
+                $_ENV['SYMFONY_IDE'] = $ide;
+            }
+        }
+    }
 }