From 3f6b5e35de73fdf63f7efdefbdce50c3b60ddc49 Mon Sep 17 00:00:00 2001
From: Djamil Legato <djamil@djamil.it>
Date: Tue, 14 Oct 2014 12:45:10 -0700
Subject: [PATCH] Added new GPM version command that allows to ask for the
 version of the Grav instance as well as any installed package. It also
 supports multiple arguments and if an update is available it will be shown

---
 bin/gpm                                       |  1 +
 .../src/Grav/Console/Gpm/VersionCommand.php   | 95 +++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 system/src/Grav/Console/Gpm/VersionCommand.php

diff --git a/bin/gpm b/bin/gpm
index 9a5ad34c2..11d66ac99 100755
--- a/bin/gpm
+++ b/bin/gpm
@@ -34,6 +34,7 @@ $grav['themes']->init();
 $app = new Application('Grav Package Manager', GRAV_VERSION);
 $app->addCommands(array(
     new \Grav\Console\Gpm\IndexCommand(),
+    new \Grav\Console\Gpm\VersionCommand(),
     new \Grav\Console\Gpm\InfoCommand(),
     new \Grav\Console\Gpm\InstallCommand(),
     new \Grav\Console\Gpm\UpdateCommand(),
diff --git a/system/src/Grav/Console/Gpm/VersionCommand.php b/system/src/Grav/Console/Gpm/VersionCommand.php
new file mode 100644
index 000000000..44b31efba
--- /dev/null
+++ b/system/src/Grav/Console/Gpm/VersionCommand.php
@@ -0,0 +1,95 @@
+<?php
+namespace Grav\Console\Gpm;
+
+use Grav\Common\GPM\GPM;
+use Grav\Common\GPM\Upgrader;
+use Grav\Console\ConsoleTrait;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+/**
+ * Class VersionCommand
+ * @package Grav\Console\Gpm
+ */
+class VersionCommand extends Command
+{
+    use ConsoleTrait;
+
+    /**
+     * @var
+     */
+    protected $gpm;
+
+    /**
+     *
+     */
+    protected function configure()
+    {
+        $this
+            ->setName("version")
+            ->addOption(
+                'force',
+                'f',
+                InputOption::VALUE_NONE,
+                'Force re-fetching the data from remote'
+            )
+            ->addArgument(
+                'package',
+                InputArgument::IS_ARRAY | InputArgument::OPTIONAL,
+                'The package or packages that is desired to know the version of. By default and if not specified this would be grav'
+            )
+            ->setDescription("Shows the version of an installed package. If available also shows pending updates.")
+            ->setHelp('The <info>version</info> command displays the current version of a package installed and, if available, the available version of pending updates');
+    }
+
+    /**
+     * @param InputInterface  $input
+     * @param OutputInterface $output
+     *
+     * @return int|null|void
+     */
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $this->setupConsole($input, $output);
+
+        $this->gpm = new GPM($this->input->getOption('force'));
+        $packages = $this->input->getArgument('package');
+
+        if (!count($packages)) {
+            $packages = ['grav'];
+        }
+
+        foreach ($packages as $package) {
+            $package = strtolower($package);
+            $name = null;
+            $version = null;
+            $updatable = false;
+
+            if ($package == 'grav') {
+                $name = 'Grav';
+                $version = GRAV_VERSION;
+                $upgrader = new Upgrader();
+
+                if ($upgrader->isUpgradable()) {
+                    $updatable = ' [upgradable: v<green>' . $upgrader->getRemoteVersion() . '</green>]';
+                }
+
+            } else {
+                if ($installed = $this->gpm->findPackage($package)) {
+                    $name = $installed->name;
+                    $version = $installed->version;
+
+                    if ($this->gpm->isUpdatable($package)) {
+                        $updatable = ' [updatable: v<green>' . $installed->available . '</green>]';
+                    }
+                }
+            }
+
+            $updatable = $updatable ?: '';
+            $this->output->writeln('You are running <white>' . $name . '</white> v<cyan>' . $version . '</cyan>' . $updatable);
+        }
+    }
+}