Merge branch '2.7' into 2.8

* 2.7:
  [Process] Enhance compatiblity with --enable-sigchild
  fix short array syntax for php 5.3
  [Serializer] Fixed  on array of objects in .
  [Process] Always call proc_close
  [Validator] Updated Luxembourgish translations for 2.8
  disable server commands without Process component
  list all server command names in suggestion
  Suggested Process dependency
  disable server:run cmd without Process component
  Suggested Process dependency
  [FrameworkBundle] prevent cache:clear creating too long paths
  [FrameworkBundle] [Translation] Fixed translations not written when no translations directory in update command

Conflicts:
	.travis.yml
	src/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php
	src/Symfony/Bundle/FrameworkBundle/composer.json

Author: nicolas-grekas

.travis.yml

@@ -10,6 +10,7 @@ addons:
 cache:
     directories:
         - .phpunit
+        - php-5.3.9
 
 matrix:
     include:
@@ -32,6 +33,7 @@ env:
 
 before_install:
     - if [[ "$deps" = "no" ]] && [[ "$TRAVIS_PHP_VERSION" =~ 5.[45] ]] && [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then export deps=skip; fi;
+    - if [[ $deps = no && $TRAVIS_PHP_VERSION = 5.3 && ! -d php-5.3.9/sapi ]]; then wget http://museum.php.net/php5/php-5.3.9.tar.bz2; tar -xjf php-5.3.9.tar.bz2; (cd php-5.3.9; ./configure --enable-sigchild --enable-pcntl; make -j2); fi;
     - if [[ "$TRAVIS_PHP_VERSION" != "hhvm" ]]; then INI_FILE=~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; else INI_FILE=/etc/hhvm/php.ini; fi;
     - echo "memory_limit = -1" >> $INI_FILE
     - echo "session.gc_probability = 0" >> $INI_FILE
@@ -57,6 +59,7 @@ install:
 script:
     - if [ "$deps" = "no" ]; then echo "$COMPONENTS" | parallel --gnu '$PHPUNIT --exclude-group tty,benchmark,intl-data {}'; fi;
     - if [ "$deps" = "no" ]; then echo -e "\\nRunning tests requiring tty"; $PHPUNIT --group tty; fi;
+    - if [[ $deps = no && $TRAVIS_PHP_VERSION = 5.3 ]]; then echo -e "1\\n0" | parallel --gnu 'echo -e "\\nPHP --enable-sigchild enhanced={}" && ENHANCE_SIGCHLD={} php-5.3.9/sapi/cli/php .phpunit/phpunit-4.8/phpunit --colors=always src/Symfony/Component/Process/'; fi;
     - if [ "$deps" = "high" ]; then echo "$COMPONENTS" | parallel --gnu -j10% 'cd {}; composer --prefer-source update; $PHPUNIT --exclude-group tty,benchmark,intl-data,legacy'; fi;
     - if [ "$deps" = "low" ]; then echo "$COMPONENTS" | parallel --gnu -j10% 'cd {}; composer --prefer-source --prefer-lowest --prefer-stable update; $PHPUNIT --exclude-group tty,benchmark,intl-data'; fi;
     - if [ "$deps" = "skip" ]; then echo 'This matrix line is skipped for pull requests.'; fi;

src/Symfony/Bundle/FrameworkBundle/Command/CacheClearCommand.php

@@ -58,7 +58,9 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $io = new SymfonyStyle($input, $output);
 
         $realCacheDir = $this->getContainer()->getParameter('kernel.cache_dir');
-        $oldCacheDir = $realCacheDir.'_old';
+        // the old cache dir name must not be longer than the real one to avoid exceeding
+        // the maximum length of a directory or file path within it (esp. Windows MAX_PATH)
+        $oldCacheDir = substr($realCacheDir, 0, -1).('~' === substr($realCacheDir, -1) ? '+' : '~');
         $filesystem = $this->getContainer()->get('filesystem');
 
         if (!is_writable($realCacheDir)) {
@@ -79,7 +81,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             // the warmup cache dir name must have the same length than the real one
             // to avoid the many problems in serialized resources files
             $realCacheDir = realpath($realCacheDir);
-            $warmupDir = substr($realCacheDir, 0, -1).'_';
+            $warmupDir = substr($realCacheDir, 0, -1).('_' === substr($realCacheDir, -1) ? '-' : '_');
 
             if ($filesystem->exists($warmupDir)) {
                 if ($outputIsVerbose) {
@@ -120,8 +122,6 @@ protected function execute(InputInterface $input, OutputInterface $output)
      */
     protected function warmup($warmupDir, $realCacheDir, $enableOptionalWarmers = true)
     {
-        $this->getContainer()->get('filesystem')->remove($warmupDir);
-
         // create a temporary kernel
         $realKernel = $this->getContainer()->get('kernel');
         $realKernelClass = get_class($realKernel);

src/Symfony/Bundle/FrameworkBundle/Command/ServerCommand.php

@@ -27,6 +27,10 @@ public function isEnabled()
             return false;
         }
 
+        if (!class_exists('Symfony\Component\Process\Process')) {
+            return false;
+        }
+
         return parent::isEnabled();
     }
 

src/Symfony/Bundle/FrameworkBundle/Command/ServerRunCommand.php

@@ -26,18 +26,6 @@
  */
 class ServerRunCommand extends ServerCommand
 {
-    /**
-     * {@inheritdoc}
-     */
-    public function isEnabled()
-    {
-        if (PHP_VERSION_ID < 50400 || defined('HHVM_VERSION')) {
-            return false;
-        }
-
-        return parent::isEnabled();
-    }
-
     /**
      * {@inheritdoc}
      */

src/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php

@@ -197,10 +197,12 @@ protected function execute(InputInterface $input, OutputInterface $output)
                 }
             }
 
-            if ($bundleTransPath) {
-                $writer->writeTranslations($operation->getResult(), $input->getOption('output-format'), array('path' => $bundleTransPath, 'default_locale' => $this->getContainer()->getParameter('kernel.default_locale')));
+            if (!$bundleTransPath) {
+                $bundleTransPath = end($transPaths).'translations';
             }
 
+            $writer->writeTranslations($operation->getResult(), $input->getOption('output-format'), array('path' => $bundleTransPath, 'default_locale' => $this->getContainer()->getParameter('kernel.default_locale')));
+
             if (true === $input->getOption('dump-messages')) {
                 $resultMessage .= ' and translation files were updated.';
             } else {

src/Symfony/Bundle/FrameworkBundle/composer.json

@@ -59,7 +59,7 @@
         "symfony/validator": "For using validation",
         "symfony/yaml": "For using the debug:config and lint:yaml commands",
         "symfony/property-info": "For using the property_info_extractor service",
-        "symfony/process": "For using the server:run command"
+        "symfony/process": "For using the server:run, server:start, server:stop, and server:status commands"
     },
     "autoload": {
         "psr-4": { "Symfony\\Bundle\\FrameworkBundle\\": "" },