Initial commit

6 files changed, 1012 insertions, 0 deletions

diff --git a/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AbstractAdapter.php b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AbstractAdapter.php
new file mode 100644
index 0000000..4ddd913
--- /dev/null
+++ b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AbstractAdapter.php
@@ -0,0 +1,236 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Adapter;
+
+/**
+ * Interface for finder engine implementations.
+ *
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ */
+abstract class AbstractAdapter implements AdapterInterface
+{
+    protected $followLinks = false;
+    protected $mode = 0;
+    protected $minDepth = 0;
+    protected $maxDepth = PHP_INT_MAX;
+    protected $exclude = array();
+    protected $names = array();
+    protected $notNames = array();
+    protected $contains = array();
+    protected $notContains = array();
+    protected $sizes = array();
+    protected $dates = array();
+    protected $filters = array();
+    protected $sort = false;
+    protected $paths = array();
+    protected $notPaths = array();
+    protected $ignoreUnreadableDirs = false;
+
+    private static $areSupported = array();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isSupported()
+    {
+        $name = $this->getName();
+
+        if (!array_key_exists($name, self::$areSupported)) {
+            self::$areSupported[$name] = $this->canBeUsed();
+        }
+
+        return self::$areSupported[$name];
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setFollowLinks($followLinks)
+    {
+        $this->followLinks = $followLinks;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setMode($mode)
+    {
+        $this->mode = $mode;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setDepths(array $depths)
+    {
+        $this->minDepth = 0;
+        $this->maxDepth = PHP_INT_MAX;
+
+        foreach ($depths as $comparator) {
+            switch ($comparator->getOperator()) {
+                case '>':
+                    $this->minDepth = $comparator->getTarget() + 1;
+                    break;
+                case '>=':
+                    $this->minDepth = $comparator->getTarget();
+                    break;
+                case '<':
+                    $this->maxDepth = $comparator->getTarget() - 1;
+                    break;
+                case '<=':
+                    $this->maxDepth = $comparator->getTarget();
+                    break;
+                default:
+                    $this->minDepth = $this->maxDepth = $comparator->getTarget();
+            }
+        }
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setExclude(array $exclude)
+    {
+        $this->exclude = $exclude;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setNames(array $names)
+    {
+        $this->names = $names;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setNotNames(array $notNames)
+    {
+        $this->notNames = $notNames;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setContains(array $contains)
+    {
+        $this->contains = $contains;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setNotContains(array $notContains)
+    {
+        $this->notContains = $notContains;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setSizes(array $sizes)
+    {
+        $this->sizes = $sizes;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setDates(array $dates)
+    {
+        $this->dates = $dates;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setFilters(array $filters)
+    {
+        $this->filters = $filters;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setSort($sort)
+    {
+        $this->sort = $sort;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setPath(array $paths)
+    {
+        $this->paths = $paths;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setNotPath(array $notPaths)
+    {
+        $this->notPaths = $notPaths;
+
+        return $this;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function ignoreUnreadableDirs($ignore = true)
+    {
+        $this->ignoreUnreadableDirs = (bool) $ignore;
+
+        return $this;
+    }
+
+    /**
+     * Returns whether the adapter is supported in the current environment.
+     *
+     * This method should be implemented in all adapters. Do not implement
+     * isSupported in the adapters as the generic implementation provides a cache
+     * layer.
+     *
+     * @see isSupported()
+     *
+     * @return bool Whether the adapter is supported
+     */
+    abstract protected function canBeUsed();
+}
diff --git a/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php
new file mode 100644
index 0000000..244301a
--- /dev/null
+++ b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AbstractFindAdapter.php
@@ -0,0 +1,327 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Adapter;
+
+use Symfony\Component\Finder\Exception\AccessDeniedException;
+use Symfony\Component\Finder\Iterator;
+use Symfony\Component\Finder\Shell\Shell;
+use Symfony\Component\Finder\Expression\Expression;
+use Symfony\Component\Finder\Shell\Command;
+use Symfony\Component\Finder\Comparator\NumberComparator;
+use Symfony\Component\Finder\Comparator\DateComparator;
+
+/**
+ * Shell engine implementation using GNU find command.
+ *
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ */
+abstract class AbstractFindAdapter extends AbstractAdapter
+{
+    /**
+     * @var Shell
+     */
+    protected $shell;
+
+    /**
+     * Constructor.
+     */
+    public function __construct()
+    {
+        $this->shell = new Shell();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function searchInDirectory($dir)
+    {
+        // having "/../" in path make find fail
+        $dir = realpath($dir);
+
+        // searching directories containing or not containing strings leads to no result
+        if (Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES === $this->mode && ($this->contains || $this->notContains)) {
+            return new Iterator\FilePathsIterator(array(), $dir);
+        }
+
+        $command = Command::create();
+        $find = $this->buildFindCommand($command, $dir);
+
+        if ($this->followLinks) {
+            $find->add('-follow');
+        }
+
+        $find->add('-mindepth')->add($this->minDepth + 1);
+
+        if (PHP_INT_MAX !== $this->maxDepth) {
+            $find->add('-maxdepth')->add($this->maxDepth + 1);
+        }
+
+        if (Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES === $this->mode) {
+            $find->add('-type d');
+        } elseif (Iterator\FileTypeFilterIterator::ONLY_FILES === $this->mode) {
+            $find->add('-type f');
+        }
+
+        $this->buildNamesFiltering($find, $this->names);
+        $this->buildNamesFiltering($find, $this->notNames, true);
+        $this->buildPathsFiltering($find, $dir, $this->paths);
+        $this->buildPathsFiltering($find, $dir, $this->notPaths, true);
+        $this->buildSizesFiltering($find, $this->sizes);
+        $this->buildDatesFiltering($find, $this->dates);
+
+        $useGrep = $this->shell->testCommand('grep') && $this->shell->testCommand('xargs');
+        $useSort = is_int($this->sort) && $this->shell->testCommand('sort') && $this->shell->testCommand('cut');
+
+        if ($useGrep && ($this->contains || $this->notContains)) {
+            $grep = $command->ins('grep');
+            $this->buildContentFiltering($grep, $this->contains);
+            $this->buildContentFiltering($grep, $this->notContains, true);
+        }
+
+        if ($useSort) {
+            $this->buildSorting($command, $this->sort);
+        }
+
+        $command->setErrorHandler(
+            $this->ignoreUnreadableDirs
+                // If directory is unreadable and finder is set to ignore it, `stderr` is ignored.
+                ? function ($stderr) { return; }
+                : function ($stderr) { throw new AccessDeniedException($stderr); }
+        );
+
+        $paths = $this->shell->testCommand('uniq') ? $command->add('| uniq')->execute() : array_unique($command->execute());
+        $iterator = new Iterator\FilePathsIterator($paths, $dir);
+
+        if ($this->exclude) {
+            $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
+        }
+
+        if (!$useGrep && ($this->contains || $this->notContains)) {
+            $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
+        }
+
+        if ($this->filters) {
+            $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
+        }
+
+        if (!$useSort && $this->sort) {
+            $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
+            $iterator = $iteratorAggregate->getIterator();
+        }
+
+        return $iterator;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function canBeUsed()
+    {
+        return $this->shell->testCommand('find');
+    }
+
+    /**
+     * @param Command $command
+     * @param string  $dir
+     *
+     * @return Command
+     */
+    protected function buildFindCommand(Command $command, $dir)
+    {
+        return $command
+            ->ins('find')
+            ->add('find ')
+            ->arg($dir)
+            ->add('-noleaf'); // the -noleaf option is required for filesystems that don't follow the '.' and '..' conventions
+    }
+
+    /**
+     * @param Command  $command
+     * @param string[] $names
+     * @param bool     $not
+     */
+    private function buildNamesFiltering(Command $command, array $names, $not = false)
+    {
+        if (0 === count($names)) {
+            return;
+        }
+
+        $command->add($not ? '-not' : null)->cmd('(');
+
+        foreach ($names as $i => $name) {
+            $expr = Expression::create($name);
+
+            // Find does not support expandable globs ("*.{a,b}" syntax).
+            if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
+                $expr = Expression::create($expr->getGlob()->toRegex(false));
+            }
+
+            // Fixes 'not search' and 'full path matching' regex problems.
+            // - Jokers '.' are replaced by [^/].
+            // - We add '[^/]*' before and after regex (if no ^|$ flags are present).
+            if ($expr->isRegex()) {
+                $regex = $expr->getRegex();
+                $regex->prepend($regex->hasStartFlag() ? '/' : '/[^/]*')
+                    ->setStartFlag(false)
+                    ->setStartJoker(true)
+                    ->replaceJokers('[^/]');
+                if (!$regex->hasEndFlag() || $regex->hasEndJoker()) {
+                    $regex->setEndJoker(false)->append('[^/]*');
+                }
+            }
+
+            $command
+                ->add($i > 0 ? '-or' : null)
+                ->add($expr->isRegex()
+                    ? ($expr->isCaseSensitive() ? '-regex' : '-iregex')
+                    : ($expr->isCaseSensitive() ? '-name' : '-iname')
+                )
+                ->arg($expr->renderPattern());
+        }
+
+        $command->cmd(')');
+    }
+
+    /**
+     * @param Command  $command
+     * @param string   $dir
+     * @param string[] $paths
+     * @param bool     $not
+     */
+    private function buildPathsFiltering(Command $command, $dir, array $paths, $not = false)
+    {
+        if (0 === count($paths)) {
+            return;
+        }
+
+        $command->add($not ? '-not' : null)->cmd('(');
+
+        foreach ($paths as $i => $path) {
+            $expr = Expression::create($path);
+
+            // Find does not support expandable globs ("*.{a,b}" syntax).
+            if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
+                $expr = Expression::create($expr->getGlob()->toRegex(false));
+            }
+
+            // Fixes 'not search' regex problems.
+            if ($expr->isRegex()) {
+                $regex = $expr->getRegex();
+                $regex->prepend($regex->hasStartFlag() ? preg_quote($dir).DIRECTORY_SEPARATOR : '.*')->setEndJoker(!$regex->hasEndFlag());
+            } else {
+                $expr->prepend('*')->append('*');
+            }
+
+            $command
+                ->add($i > 0 ? '-or' : null)
+                ->add($expr->isRegex()
+                    ? ($expr->isCaseSensitive() ? '-regex' : '-iregex')
+                    : ($expr->isCaseSensitive() ? '-path' : '-ipath')
+                )
+                ->arg($expr->renderPattern());
+        }
+
+        $command->cmd(')');
+    }
+
+    /**
+     * @param Command            $command
+     * @param NumberComparator[] $sizes
+     */
+    private function buildSizesFiltering(Command $command, array $sizes)
+    {
+        foreach ($sizes as $i => $size) {
+            $command->add($i > 0 ? '-and' : null);
+
+            switch ($size->getOperator()) {
+                case '<=':
+                    $command->add('-size -'.($size->getTarget() + 1).'c');
+                    break;
+                case '>=':
+                    $command->add('-size +'.($size->getTarget() - 1).'c');
+                    break;
+                case '>':
+                    $command->add('-size +'.$size->getTarget().'c');
+                    break;
+                case '!=':
+                    $command->add('-size -'.$size->getTarget().'c');
+                    $command->add('-size +'.$size->getTarget().'c');
+                    break;
+                case '<':
+                default:
+                    $command->add('-size -'.$size->getTarget().'c');
+            }
+        }
+    }
+
+    /**
+     * @param Command          $command
+     * @param DateComparator[] $dates
+     */
+    private function buildDatesFiltering(Command $command, array $dates)
+    {
+        foreach ($dates as $i => $date) {
+            $command->add($i > 0 ? '-and' : null);
+
+            $mins = (int) round((time() - $date->getTarget()) / 60);
+
+            if (0 > $mins) {
+                // mtime is in the future
+                $command->add(' -mmin -0');
+                // we will have no result so we don't need to continue
+                return;
+            }
+
+            switch ($date->getOperator()) {
+                case '<=':
+                    $command->add('-mmin +'.($mins - 1));
+                    break;
+                case '>=':
+                    $command->add('-mmin -'.($mins + 1));
+                    break;
+                case '>':
+                    $command->add('-mmin -'.$mins);
+                    break;
+                case '!=':
+                    $command->add('-mmin +'.$mins.' -or -mmin -'.$mins);
+                    break;
+                case '<':
+                default:
+                    $command->add('-mmin +'.$mins);
+            }
+        }
+    }
+
+    /**
+     * @param Command $command
+     * @param string  $sort
+     *
+     * @throws \InvalidArgumentException
+     */
+    private function buildSorting(Command $command, $sort)
+    {
+        $this->buildFormatSorting($command, $sort);
+    }
+
+    /**
+     * @param Command $command
+     * @param string  $sort
+     */
+    abstract protected function buildFormatSorting(Command $command, $sort);
+
+    /**
+     * @param Command $command
+     * @param array   $contains
+     * @param bool    $not
+     */
+    abstract protected function buildContentFiltering(Command $command, array $contains, $not = false);
+}
diff --git a/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AdapterInterface.php b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AdapterInterface.php
new file mode 100644
index 0000000..bdc3a93
--- /dev/null
+++ b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/AdapterInterface.php
@@ -0,0 +1,144 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Adapter;
+
+/**
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ */
+interface AdapterInterface
+{
+    /**
+     * @param bool $followLinks
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setFollowLinks($followLinks);
+
+    /**
+     * @param int $mode
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setMode($mode);
+
+    /**
+     * @param array $exclude
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setExclude(array $exclude);
+
+    /**
+     * @param array $depths
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setDepths(array $depths);
+
+    /**
+     * @param array $names
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setNames(array $names);
+
+    /**
+     * @param array $notNames
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setNotNames(array $notNames);
+
+    /**
+     * @param array $contains
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setContains(array $contains);
+
+    /**
+     * @param array $notContains
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setNotContains(array $notContains);
+
+    /**
+     * @param array $sizes
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setSizes(array $sizes);
+
+    /**
+     * @param array $dates
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setDates(array $dates);
+
+    /**
+     * @param array $filters
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setFilters(array $filters);
+
+    /**
+     * @param \Closure|int $sort
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setSort($sort);
+
+    /**
+     * @param array $paths
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setPath(array $paths);
+
+    /**
+     * @param array $notPaths
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function setNotPath(array $notPaths);
+
+    /**
+     * @param bool $ignore
+     *
+     * @return AdapterInterface Current instance
+     */
+    public function ignoreUnreadableDirs($ignore = true);
+
+    /**
+     * @param string $dir
+     *
+     * @return \Iterator Result iterator
+     */
+    public function searchInDirectory($dir);
+
+    /**
+     * Tests adapter support for current platform.
+     *
+     * @return bool
+     */
+    public function isSupported();
+
+    /**
+     * Returns adapter name.
+     *
+     * @return string
+     */
+    public function getName();
+}
diff --git a/vendor/symfony/finder/Symfony/Component/Finder/Adapter/BsdFindAdapter.php b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/BsdFindAdapter.php
new file mode 100644
index 0000000..4a25bae
--- /dev/null
+++ b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/BsdFindAdapter.php
@@ -0,0 +1,103 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Adapter;
+
+use Symfony\Component\Finder\Shell\Shell;
+use Symfony\Component\Finder\Shell\Command;
+use Symfony\Component\Finder\Iterator\SortableIterator;
+use Symfony\Component\Finder\Expression\Expression;
+
+/**
+ * Shell engine implementation using BSD find command.
+ *
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ */
+class BsdFindAdapter extends AbstractFindAdapter
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'bsd_find';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function canBeUsed()
+    {
+        return in_array($this->shell->getType(), array(Shell::TYPE_BSD, Shell::TYPE_DARWIN)) && parent::canBeUsed();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildFormatSorting(Command $command, $sort)
+    {
+        switch ($sort) {
+            case SortableIterator::SORT_BY_NAME:
+                $command->ins('sort')->add('| sort');
+
+                return;
+            case SortableIterator::SORT_BY_TYPE:
+                $format = '%HT';
+                break;
+            case SortableIterator::SORT_BY_ACCESSED_TIME:
+                $format = '%a';
+                break;
+            case SortableIterator::SORT_BY_CHANGED_TIME:
+                $format = '%c';
+                break;
+            case SortableIterator::SORT_BY_MODIFIED_TIME:
+                $format = '%m';
+                break;
+            default:
+                throw new \InvalidArgumentException(sprintf('Unknown sort options: %s.', $sort));
+        }
+
+        $command
+            ->add('-print0 | xargs -0 stat -f')
+            ->arg($format.'%t%N')
+            ->add('| sort | cut -f 2');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildFindCommand(Command $command, $dir)
+    {
+        parent::buildFindCommand($command, $dir)->addAtIndex('-E', 1);
+
+        return $command;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildContentFiltering(Command $command, array $contains, $not = false)
+    {
+        foreach ($contains as $contain) {
+            $expr = Expression::create($contain);
+
+            // todo: avoid forking process for each $pattern by using multiple -e options
+            $command
+                ->add('| grep -v \'^$\'')
+                ->add('| xargs -I{} grep -I')
+                ->add($expr->isCaseSensitive() ? null : '-i')
+                ->add($not ? '-L' : '-l')
+                ->add('-Ee')->arg($expr->renderPattern())
+                ->add('{}')
+            ;
+        }
+    }
+}
diff --git a/vendor/symfony/finder/Symfony/Component/Finder/Adapter/GnuFindAdapter.php b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/GnuFindAdapter.php
new file mode 100644
index 0000000..0fbf48f
--- /dev/null
+++ b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/GnuFindAdapter.php
@@ -0,0 +1,104 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Adapter;
+
+use Symfony\Component\Finder\Shell\Shell;
+use Symfony\Component\Finder\Shell\Command;
+use Symfony\Component\Finder\Iterator\SortableIterator;
+use Symfony\Component\Finder\Expression\Expression;
+
+/**
+ * Shell engine implementation using GNU find command.
+ *
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ */
+class GnuFindAdapter extends AbstractFindAdapter
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'gnu_find';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildFormatSorting(Command $command, $sort)
+    {
+        switch ($sort) {
+            case SortableIterator::SORT_BY_NAME:
+                $command->ins('sort')->add('| sort');
+
+                return;
+            case SortableIterator::SORT_BY_TYPE:
+                $format = '%y';
+                break;
+            case SortableIterator::SORT_BY_ACCESSED_TIME:
+                $format = '%A@';
+                break;
+            case SortableIterator::SORT_BY_CHANGED_TIME:
+                $format = '%C@';
+                break;
+            case SortableIterator::SORT_BY_MODIFIED_TIME:
+                $format = '%T@';
+                break;
+            default:
+                throw new \InvalidArgumentException(sprintf('Unknown sort options: %s.', $sort));
+        }
+
+        $command
+            ->get('find')
+            ->add('-printf')
+            ->arg($format.' %h/%f\\n')
+            ->add('| sort | cut')
+            ->arg('-d ')
+            ->arg('-f2-')
+        ;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function canBeUsed()
+    {
+        return $this->shell->getType() === Shell::TYPE_UNIX && parent::canBeUsed();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildFindCommand(Command $command, $dir)
+    {
+        return parent::buildFindCommand($command, $dir)->add('-regextype posix-extended');
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function buildContentFiltering(Command $command, array $contains, $not = false)
+    {
+        foreach ($contains as $contain) {
+            $expr = Expression::create($contain);
+
+            // todo: avoid forking process for each $pattern by using multiple -e options
+            $command
+                ->add('| xargs -I{} -r grep -I')
+                ->add($expr->isCaseSensitive() ? null : '-i')
+                ->add($not ? '-L' : '-l')
+                ->add('-Ee')->arg($expr->renderPattern())
+                ->add('{}')
+            ;
+        }
+    }
+}
diff --git a/vendor/symfony/finder/Symfony/Component/Finder/Adapter/PhpAdapter.php b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/PhpAdapter.php
new file mode 100644
index 0000000..378a26a
--- /dev/null
+++ b/vendor/symfony/finder/Symfony/Component/Finder/Adapter/PhpAdapter.php
@@ -0,0 +1,98 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Adapter;
+
+use Symfony\Component\Finder\Iterator;
+
+/**
+ * PHP finder engine implementation.
+ *
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ */
+class PhpAdapter extends AbstractAdapter
+{
+    /**
+     * {@inheritdoc}
+     */
+    public function searchInDirectory($dir)
+    {
+        $flags = \RecursiveDirectoryIterator::SKIP_DOTS;
+
+        if ($this->followLinks) {
+            $flags |= \RecursiveDirectoryIterator::FOLLOW_SYMLINKS;
+        }
+
+        $iterator = new \RecursiveIteratorIterator(
+            new Iterator\RecursiveDirectoryIterator($dir, $flags, $this->ignoreUnreadableDirs),
+            \RecursiveIteratorIterator::SELF_FIRST
+        );
+
+        if ($this->minDepth > 0 || $this->maxDepth < PHP_INT_MAX) {
+            $iterator = new Iterator\DepthRangeFilterIterator($iterator, $this->minDepth, $this->maxDepth);
+        }
+
+        if ($this->mode) {
+            $iterator = new Iterator\FileTypeFilterIterator($iterator, $this->mode);
+        }
+
+        if ($this->exclude) {
+            $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
+        }
+
+        if ($this->names || $this->notNames) {
+            $iterator = new Iterator\FilenameFilterIterator($iterator, $this->names, $this->notNames);
+        }
+
+        if ($this->contains || $this->notContains) {
+            $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
+        }
+
+        if ($this->sizes) {
+            $iterator = new Iterator\SizeRangeFilterIterator($iterator, $this->sizes);
+        }
+
+        if ($this->dates) {
+            $iterator = new Iterator\DateRangeFilterIterator($iterator, $this->dates);
+        }
+
+        if ($this->filters) {
+            $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
+        }
+
+        if ($this->sort) {
+            $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
+            $iterator = $iteratorAggregate->getIterator();
+        }
+
+        if ($this->paths || $this->notPaths) {
+            $iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $this->notPaths);
+        }
+
+        return $iterator;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return 'php';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function canBeUsed()
+    {
+        return true;
+    }
+}