From f871c3ea9670f610221ab4f90c51e4bd1dffb6c7 Mon Sep 17 00:00:00 2001
From: Zachary Flower <zach@ninjaninja.net>
Date: Wed, 24 Jan 2018 14:23:03 -0700
Subject: [PATCH 1/3] add proof-of-concept for restart psysh from within a
 session

---
 src/Command/ReloadCommand.php | 63 +++++++++++++++++++++++++++++++++++
 src/Shell.php                 |  1 +
 2 files changed, 64 insertions(+)
 create mode 100644 src/Command/ReloadCommand.php

diff --git a/src/Command/ReloadCommand.php b/src/Command/ReloadCommand.php
new file mode 100644
index 000000000..d3ab6392e
--- /dev/null
+++ b/src/Command/ReloadCommand.php
@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of Psy Shell.
+ *
+ * (c) 2012-2017 Justin Hileman
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Psy\Command;
+
+use Psy\Exception\BreakException;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Psy\Exception\RuntimeException;
+
+/**
+ * Reload the Psy Shell.
+ */
+class ReloadCommand extends Command
+{
+    /**
+     * {@inheritdoc}
+     */
+    protected function configure()
+    {
+        $this
+            ->setName('reload')
+            ->setAliases(array('reload!'))
+            ->setDefinition(array())
+            ->setDescription('Reload the current session.')
+            ->setHelp(
+                <<<'HELP'
+Reload the current session.
+
+<warning>Note: The PCNTL extension is required for reload to work.</warning>
+
+e.g.
+<return>>>> reload</return>
+HELP
+            );
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        if ( !function_exists('pcntl_exec') ) {
+            throw new RuntimeException('Unable to reload session (PCNTL is required).');
+        }
+
+        $output->writeln('<info>Reloading...</info>');
+
+        if ( !defined('PHP_BINARY') ) {
+            throw new RuntimeException('Unable to identify PHP binary path.');
+        }
+
+        pcntl_exec(PHP_BINARY, $_SERVER['argv']);
+    }
+}
diff --git a/src/Shell.php b/src/Shell.php
index 7d64c504b..82d96b59d 100644
--- a/src/Shell.php
+++ b/src/Shell.php
@@ -196,6 +196,7 @@ protected function getDefaultCommands()
             new Command\BufferCommand(),
             new Command\ClearCommand(),
             new Command\EditCommand($this->config->getRuntimeDir()),
+            new Command\ReloadCommand(),
             // new Command\PsyVersionCommand(),
             $sudo,
             $hist,

From b4a24df4887feac4fd0ff4cece7459dde64e3a53 Mon Sep 17 00:00:00 2001
From: Zachary Flower <zach@ninjaninja.net>
Date: Wed, 24 Jan 2018 14:55:26 -0700
Subject: [PATCH 2/3] fix style issues

---
 src/Command/ReloadCommand.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/Command/ReloadCommand.php b/src/Command/ReloadCommand.php
index d3ab6392e..9706f1097 100644
--- a/src/Command/ReloadCommand.php
+++ b/src/Command/ReloadCommand.php
@@ -28,8 +28,8 @@ protected function configure()
     {
         $this
             ->setName('reload')
-            ->setAliases(array('reload!'))
-            ->setDefinition(array())
+            ->setAliases(['reload!'])
+            ->setDefinition([])
             ->setDescription('Reload the current session.')
             ->setHelp(
                 <<<'HELP'
@@ -48,13 +48,13 @@ protected function configure()
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
-        if ( !function_exists('pcntl_exec') ) {
+        if (!function_exists('pcntl_exec')) {
             throw new RuntimeException('Unable to reload session (PCNTL is required).');
         }
 
         $output->writeln('<info>Reloading...</info>');
 
-        if ( !defined('PHP_BINARY') ) {
+        if (!defined('PHP_BINARY')) {
             throw new RuntimeException('Unable to identify PHP binary path.');
         }
 

From ae127cb91f2731fcc353d0482d14c129b3e12a05 Mon Sep 17 00:00:00 2001
From: Zachary Flower <zach@ninjaninja.net>
Date: Wed, 24 Jan 2018 14:57:57 -0700
Subject: [PATCH 3/3] remove unused namespace

---
 src/Command/ReloadCommand.php | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/Command/ReloadCommand.php b/src/Command/ReloadCommand.php
index 9706f1097..8d1854b4e 100644
--- a/src/Command/ReloadCommand.php
+++ b/src/Command/ReloadCommand.php
@@ -11,10 +11,9 @@
 
 namespace Psy\Command;
 
-use Psy\Exception\BreakException;
+use Psy\Exception\RuntimeException;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
-use Psy\Exception\RuntimeException;
 
 /**
  * Reload the Psy Shell.