Merge pull request #372 from anaqreon/plugin-repo

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1 files changed, 287 insertions, 0 deletions

diff --git a/library/symfony/process/ProcessBuilder.php b/library/symfony/process/ProcessBuilder.php
new file mode 100644
index 000000000..a782fd69e
--- /dev/null
+++ b/library/symfony/process/ProcessBuilder.php
@@ -0,0 +1,287 @@
+<?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\Process;
+
+use Symfony\Component\Process\Exception\InvalidArgumentException;
+use Symfony\Component\Process\Exception\LogicException;
+
+/**
+ * Process builder.
+ *
+ * @author Kris Wallsmith <kris@symfony.com>
+ */
+class ProcessBuilder
+{
+    private $arguments;
+    private $cwd;
+    private $env = array();
+    private $input;
+    private $timeout = 60;
+    private $options = array();
+    private $inheritEnv = true;
+    private $prefix = array();
+    private $outputDisabled = false;
+
+    /**
+     * Constructor.
+     *
+     * @param string[] $arguments An array of arguments
+     */
+    public function __construct(array $arguments = array())
+    {
+        $this->arguments = $arguments;
+    }
+
+    /**
+     * Creates a process builder instance.
+     *
+     * @param string[] $arguments An array of arguments
+     *
+     * @return ProcessBuilder
+     */
+    public static function create(array $arguments = array())
+    {
+        return new static($arguments);
+    }
+
+    /**
+     * Adds an unescaped argument to the command string.
+     *
+     * @param string $argument A command argument
+     *
+     * @return ProcessBuilder
+     */
+    public function add($argument)
+    {
+        $this->arguments[] = $argument;
+
+        return $this;
+    }
+
+    /**
+     * Adds a prefix to the command string.
+     *
+     * The prefix is preserved when resetting arguments.
+     *
+     * @param string|array $prefix A command prefix or an array of command prefixes
+     *
+     * @return ProcessBuilder
+     */
+    public function setPrefix($prefix)
+    {
+        $this->prefix = is_array($prefix) ? $prefix : array($prefix);
+
+        return $this;
+    }
+
+    /**
+     * Sets the arguments of the process.
+     *
+     * Arguments must not be escaped.
+     * Previous arguments are removed.
+     *
+     * @param string[] $arguments
+     *
+     * @return ProcessBuilder
+     */
+    public function setArguments(array $arguments)
+    {
+        $this->arguments = $arguments;
+
+        return $this;
+    }
+
+    /**
+     * Sets the working directory.
+     *
+     * @param null|string $cwd The working directory
+     *
+     * @return ProcessBuilder
+     */
+    public function setWorkingDirectory($cwd)
+    {
+        $this->cwd = $cwd;
+
+        return $this;
+    }
+
+    /**
+     * Sets whether environment variables will be inherited or not.
+     *
+     * @param bool $inheritEnv
+     *
+     * @return ProcessBuilder
+     */
+    public function inheritEnvironmentVariables($inheritEnv = true)
+    {
+        $this->inheritEnv = $inheritEnv;
+
+        return $this;
+    }
+
+    /**
+     * Sets an environment variable.
+     *
+     * Setting a variable overrides its previous value. Use `null` to unset a
+     * defined environment variable.
+     *
+     * @param string      $name  The variable name
+     * @param null|string $value The variable value
+     *
+     * @return ProcessBuilder
+     */
+    public function setEnv($name, $value)
+    {
+        $this->env[$name] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Adds a set of environment variables.
+     *
+     * Already existing environment variables with the same name will be
+     * overridden by the new values passed to this method. Pass `null` to unset
+     * a variable.
+     *
+     * @param array $variables The variables
+     *
+     * @return ProcessBuilder
+     */
+    public function addEnvironmentVariables(array $variables)
+    {
+        $this->env = array_replace($this->env, $variables);
+
+        return $this;
+    }
+
+    /**
+     * Sets the input of the process.
+     *
+     * @param mixed $input The input as a string
+     *
+     * @return ProcessBuilder
+     *
+     * @throws InvalidArgumentException In case the argument is invalid
+     *
+     * Passing an object as an input is deprecated since version 2.5 and will be removed in 3.0.
+     */
+    public function setInput($input)
+    {
+        $this->input = ProcessUtils::validateInput(sprintf('%s::%s', __CLASS__, __FUNCTION__), $input);
+
+        return $this;
+    }
+
+    /**
+     * Sets the process timeout.
+     *
+     * To disable the timeout, set this value to null.
+     *
+     * @param float|null $timeout
+     *
+     * @return ProcessBuilder
+     *
+     * @throws InvalidArgumentException
+     */
+    public function setTimeout($timeout)
+    {
+        if (null === $timeout) {
+            $this->timeout = null;
+
+            return $this;
+        }
+
+        $timeout = (float) $timeout;
+
+        if ($timeout < 0) {
+            throw new InvalidArgumentException('The timeout value must be a valid positive integer or float number.');
+        }
+
+        $this->timeout = $timeout;
+
+        return $this;
+    }
+
+    /**
+     * Adds a proc_open option.
+     *
+     * @param string $name  The option name
+     * @param string $value The option value
+     *
+     * @return ProcessBuilder
+     */
+    public function setOption($name, $value)
+    {
+        $this->options[$name] = $value;
+
+        return $this;
+    }
+
+    /**
+     * Disables fetching output and error output from the underlying process.
+     *
+     * @return ProcessBuilder
+     */
+    public function disableOutput()
+    {
+        $this->outputDisabled = true;
+
+        return $this;
+    }
+
+    /**
+     * Enables fetching output and error output from the underlying process.
+     *
+     * @return ProcessBuilder
+     */
+    public function enableOutput()
+    {
+        $this->outputDisabled = false;
+
+        return $this;
+    }
+
+    /**
+     * Creates a Process instance and returns it.
+     *
+     * @return Process
+     *
+     * @throws LogicException In case no arguments have been provided
+     */
+    public function getProcess()
+    {
+        if (0 === count($this->prefix) && 0 === count($this->arguments)) {
+            throw new LogicException('You must add() command arguments before calling getProcess().');
+        }
+
+        $options = $this->options;
+
+        $arguments = array_merge($this->prefix, $this->arguments);
+        $script = implode(' ', array_map(array(__NAMESPACE__.'\\ProcessUtils', 'escapeArgument'), $arguments));
+
+        if ($this->inheritEnv) {
+            // include $_ENV for BC purposes
+            $env = array_replace($_ENV, $_SERVER, $this->env);
+        } else {
+            $env = $this->env;
+        }
+
+        $process = new Process($script, $this->cwd, $env, $this->input, $this->timeout, $options);
+
+        if ($this->outputDisabled) {
+            $process->disableOutput();
+        }
+
+        return $process;
+    }
+}