Merge branch '4.4' into 5.0

* 4.4:
  fix unix root dir issue
  sync validator translation files with master
  [HttpFoundation] fix not sending Content-Type header for 204 responses
  [ErrorHandler] silence warning when zend.assertions=-1
  fix anchor
  [Console] Handle zero row count in appendRow() for Table
  fix links to releases page (formerly known as "roadmap")
  [Console] Don't load same-namespace alternatives on exact match found

.github/PULL_REQUEST_TEMPLATE.md

@@ -11,7 +11,7 @@
 Replace this notice by a short README for your feature/bugfix. This will help people
 understand your PR and can be used as a start for the documentation.
 
-Additionally (see https://symfony.com/roadmap):
+Additionally (see https://symfony.com/releases):
  - Always add tests and ensure they pass.
  - Never break backward compatibility (see https://symfony.com/bc).
  - Bug fixes must be submitted against the lowest maintained branch where they apply

src/Symfony/Bundle/WebProfilerBundle/Resources/views/Collector/config.html.twig

@@ -153,7 +153,7 @@
                 <td class="font-normal">{{ collector.symfonyeom }}</td>
                 <td class="font-normal">{{ collector.symfonyeol }}</td>
                 <td class="font-normal">
-                    <a href="https://symfony.com/roadmap?version={{ collector.symfonyminorversion }}#checker">View roadmap</a>
+                    <a href="https://symfony.com/releases/{{ collector.symfonyminorversion }}#release-checker">View roadmap</a>
                 </td>
             </tr>
         </tbody>

src/Symfony/Component/Console/Application.php

@@ -647,7 +647,15 @@ class Application implements ResetInterface
         // filter out aliases for commands which are already on the list
         if (\count($commands) > 1) {
             $commandList = $this->commandLoader ? array_merge(array_flip($this->commandLoader->getNames()), $this->commands) : $this->commands;
-            $commands = array_unique(array_filter($commands, function ($nameOrAlias) use (&$commandList, $commands, &$aliases) {
+
+            if (isset($commandList[$name])) {
+                return $this->get($name);
+            }
+
+            foreach ($commands as $k => $nameOrAlias) {
+                if ($nameOrAlias === $name) {
+                    return $this->get($nameOrAlias);
+                }
                 if (!$commandList[$nameOrAlias] instanceof Command) {
                     $commandList[$nameOrAlias] = $this->commandLoader->get($nameOrAlias);
                 }
@@ -656,8 +664,14 @@ class Application implements ResetInterface
 
                 $aliases[$nameOrAlias] = $commandName;
 
-                return $commandName === $nameOrAlias || !\in_array($commandName, $commands);
-            }));
+                if ($commandName === $nameOrAlias || !\in_array($commandName, $commands)) {
+                    continue;
+                }
+
+                unset($commands[$k]);
+            }
+
+            $commands = array_unique($commands);
         }
 
         if (\count($commands) > 1) {

src/Symfony/Component/Console/Helper/Table.php

@@ -589,7 +589,9 @@ class Table
             ++$numberOfRows; // Add row for header separator
         }
 
-        ++$numberOfRows; // Add row for footer separator
+        if (\count($this->rows) > 0) {
+            ++$numberOfRows; // Add row for footer separator
+        }
 
         return $numberOfRows;
     }

src/Symfony/Component/Console/Tests/ApplicationTest.php

@@ -1692,6 +1692,31 @@ class ApplicationTest extends TestCase
         $this->assertArrayNotHasKey('disabled', $application->all());
     }
 
+    public function testFindAlternativesDoesNotLoadSameNamespaceCommandsOnExactMatch()
+    {
+        $application = new Application();
+        $application->setAutoExit(false);
+
+        $loaded = [];
+
+        $application->setCommandLoader(new FactoryCommandLoader([
+            'foo:bar' => function () use (&$loaded) {
+                $loaded['foo:bar'] = true;
+
+                return (new Command('foo:bar'))->setCode(function () {});
+            },
+            'foo' => function () use (&$loaded) {
+                $loaded['foo'] = true;
+
+                return (new Command('foo'))->setCode(function () {});
+            },
+        ]));
+
+        $application->run(new ArrayInput(['command' => 'foo']), new NullOutput());
+
+        $this->assertSame(['foo' => true], $loaded);
+    }
+
     protected function getDispatcher($skipCommand = false)
     {
         $dispatcher = new EventDispatcher();

src/Symfony/Component/Console/Tests/Helper/TableTest.php

@@ -951,6 +951,38 @@ TABLE;
         $table->appendRow(['9971-5-0210-0', 'A Tale of Two Cities', 'Charles Dickens', '139.25']);
     }
 
+    public function testSectionOutputHandlesZeroRowsAfterRender()
+    {
+        $sections = [];
+        $stream = $this->getOutputStream(true);
+        $output = new ConsoleSectionOutput($stream->getStream(), $sections, $stream->getVerbosity(), $stream->isDecorated(), new OutputFormatter());
+        $output->writeln('My Table');
+        $table = new Table($output);
+        $table
+            ->setHeaders(['ISBN', 'Title', 'Author', 'Price'])
+            ->setRows([]);
+
+        $table->render();
+
+        $table->appendRow(['9971-5-0210-0', 'A Tale of Two Cities', 'Charles Dickens', '139.25']);
+
+        $expected =
+            <<<TABLE
+My Table
++------+-------+--------+-------+
+|\033[32m ISBN \033[39m|\033[32m Title \033[39m|\033[32m Author \033[39m|\033[32m Price \033[39m|
++------+-------+--------+-------+
+\x1b[3A\x1b[0J+---------------+----------------------+-----------------+--------+
+|\033[32m ISBN          \033[39m|\033[32m Title                \033[39m|\033[32m Author          \033[39m|\033[32m Price  \033[39m|
++---------------+----------------------+-----------------+--------+
+| 9971-5-0210-0 | A Tale of Two Cities | Charles Dickens | 139.25 |
++---------------+----------------------+-----------------+--------+
+
+TABLE;
+
+        $this->assertEquals($expected, $this->getOutputContent($output));
+    }
+
     public function testIsNotDefinedStyleException()
     {
         $this->expectException('Symfony\Component\Console\Exception\InvalidArgumentException');

src/Symfony/Component/ErrorHandler/Debug.php

@@ -29,7 +29,7 @@ class Debug
             ini_set('display_errors', 1);
         }
 
-        ini_set('zend.assertions', 1);
+        @ini_set('zend.assertions', 1);
         ini_set('assert.active', 1);
         ini_set('assert.warning', 0);
         ini_set('assert.exception', 1);

src/Symfony/Component/Finder/Finder.php

@@ -782,6 +782,10 @@ class Finder implements \IteratorAggregate, \Countable
      */
     private function normalizeDir(string $dir): string
     {
+        if ('/' === $dir) {
+            return $dir;
+        }
+
         $dir = rtrim($dir, '/'.\DIRECTORY_SEPARATOR);
 
         if (preg_match('#^(ssh2\.)?s?ftp://#', $dir)) {

src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php

@@ -70,7 +70,11 @@ class RecursiveDirectoryIterator extends \RecursiveDirectoryIterator
         }
         $subPathname .= $this->getFilename();
 
-        return new SplFileInfo($this->rootPath.$this->directorySeparator.$subPathname, $this->subPath, $subPathname);
+        if ('/' !== $basePath = $this->rootPath) {
+            $basePath .= $this->directorySeparator;
+        }
+
+        return new SplFileInfo($basePath.$subPathname, $this->subPath, $subPathname);
     }
 
     /**

src/Symfony/Component/HttpFoundation/Response.php

@@ -258,10 +258,12 @@ class Response
             $this->setContent(null);
             $headers->remove('Content-Type');
             $headers->remove('Content-Length');
+            // prevent PHP from sending the Content-Type header based on default_mimetype
+            ini_set('default_mimetype', '');
         } else {
             // Content-type based on the Request
             if (!$headers->has('Content-Type')) {
-                $format = $request->getPreferredFormat();
+                $format = $request->getPreferredFormat(null);
                 if (null !== $format && $mimeType = $request->getMimeType($format)) {
                     $headers->set('Content-Type', $mimeType);
                 }

src/Symfony/Component/HttpFoundation/Tests/ResponseTest.php

@@ -461,18 +461,10 @@ class ResponseTest extends ResponseTestCase
 
     public function testDefaultContentType()
     {
-        $headerMock = $this->getMockBuilder('Symfony\Component\HttpFoundation\ResponseHeaderBag')->setMethods(['set'])->getMock();
-        $headerMock->expects($this->at(0))
-            ->method('set')
-            ->with('Content-Type', 'text/html');
-        $headerMock->expects($this->at(1))
-            ->method('set')
-            ->with('Content-Type', 'text/html; charset=UTF-8');
-
         $response = new Response('foo');
-        $response->headers = $headerMock;
-
         $response->prepare(new Request());
+
+        $this->assertSame('text/html; charset=UTF-8', $response->headers->get('Content-Type'));
     }
 
     public function testContentTypeCharset()

src/Symfony/Component/Validator/Resources/translations/validators.de.xlf

@@ -366,6 +366,10 @@
                 <source>This value should be between {{ min }} and {{ max }}.</source>
                 <target>Dieser Wert sollte zwischen {{ min }} und {{ max }} sein.</target>
             </trans-unit>
+            <trans-unit id="95">
+                <source>This value is not a valid hostname.</source>
+                <target>Dieser Wert ist kein gültiger Hostname.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

src/Symfony/Component/Validator/Resources/translations/validators.en.xlf

@@ -366,6 +366,10 @@
                 <source>This value should be between {{ min }} and {{ max }}.</source>
                 <target>This value should be between {{ min }} and {{ max }}.</target>
             </trans-unit>
+            <trans-unit id="95">
+                <source>This value is not a valid hostname.</source>
+                <target>This value is not a valid hostname.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

src/Symfony/Component/Validator/Resources/translations/validators.fr.xlf

@@ -366,6 +366,10 @@
                 <source>This value should be between {{ min }} and {{ max }}.</source>
                 <target>Cette valeur doit être comprise entre {{ min }} et {{ max }}.</target>
             </trans-unit>
+            <trans-unit id="95">
+                <source>This value is not a valid hostname.</source>
+                <target>Cette valeur n'est pas un nom d'hôte valide.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>

src/Symfony/Component/Validator/Resources/translations/validators.ru.xlf

@@ -366,6 +366,10 @@
                 <source>This value should be between {{ min }} and {{ max }}.</source>
                 <target>Значение должно быть между {{ min }} и {{ max }}.</target>
             </trans-unit>
+            <trans-unit id="95">
+                <source>This value is not a valid hostname.</source>
+                <target>Значение не является корректным именем хоста.</target>
+            </trans-unit>
         </body>
     </file>
 </xliff>