diff -r 000000000000 -r 7f95f8617b0b vendor/assetic/src/Assetic/Util/ProcessBuilder.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/assetic/src/Assetic/Util/ProcessBuilder.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,96 @@
+<?php
+
+/*
+ * This file is part of the Assetic package, an OpenSky project.
+ *
+ * (c) 2010-2011 OpenSky Project Inc
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Assetic\Util;
+
+/**
+ * Process builder.
+ *
+ * @author Kris Wallsmith <kris.wallsmith@gmail.com>
+ */
+class ProcessBuilder
+{
+    private $parts = array();
+    private $cwd;
+    private $env;
+    private $stdin;
+    private $timeout = 60;
+    private $options = array();
+    private $inheritEnv = false;
+
+    public function add($part)
+    {
+        $this->parts[] = $part;
+
+        return $this;
+    }
+
+    public function setWorkingDirectory($cwd)
+    {
+        $this->cwd = $cwd;
+
+        return $this;
+    }
+
+    public function inheritEnvironmentVariables($inheritEnv = true)
+    {
+        $this->inheritEnv = $inheritEnv;
+
+        return $this;
+    }
+
+    public function setEnv($name, $value)
+    {
+        if (null === $this->env) {
+            $this->env = array();
+        }
+
+        $this->env[$name] = $value;
+
+        return $this;
+    }
+
+    public function setInput($stdin)
+    {
+        $this->stdin = $stdin;
+
+        return $this;
+    }
+
+    public function setTimeout($timeout)
+    {
+        $this->timeout = $timeout;
+
+        return $this;
+    }
+
+    public function setOption($name, $value)
+    {
+        $this->options[$name] = $value;
+
+        return $this;
+    }
+
+    public function getProcess()
+    {
+        if (!count($this->parts)) {
+            throw new \LogicException('You must add() command parts before calling getProcess().');
+        }
+
+        $parts = $this->parts;
+        $cmd = array_shift($parts);
+        $script = escapeshellcmd($cmd).' '.implode(' ', array_map('escapeshellarg', $parts));
+
+        $env = $this->inheritEnv ? ($this->env ?: array()) + $_ENV : $this->env;
+
+        return new Process($script, $this->cwd, $env, $this->stdin, $this->timeout, $this->options);
+    }
+}