Add new command for loading existing packages.

Closes #9.

bin/studio

@@ -6,6 +6,7 @@ require __DIR__.'/../../../autoload.php';
 use Studio\Config\Config;
 use Studio\Config\FileStorage;
 use Studio\Console\CreateCommand;
+use Studio\Console\LoadCommand;
 use Studio\Console\ScrapCommand;
 use Studio\Shell\TaskRunner;
 use Symfony\Component\Console\Application;
@@ -17,5 +18,6 @@ $shell = new TaskRunner();
 
 $application = new Application();
 $application->add(new CreateCommand($config, $shell));
+$application->add(new LoadCommand($config, $shell));
 $application->add(new ScrapCommand($config, $shell));
 $application->run();

src/Console/LoadCommand.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace Studio\Console;
+
+use Studio\Package;
+use Studio\Shell\TaskRunner;
+use Studio\Config\Config;
+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;
+use Symfony\Component\Console\Question\Question;
+
+class LoadCommand extends Command
+{
+
+    protected $config;
+
+    protected $shell;
+
+
+    public function __construct(Config $config, TaskRunner $shell)
+    {
+        parent::__construct();
+
+        $this->config = $config;
+        $this->shell = $shell;
+    }
+
+    protected function configure()
+    {
+        $this
+            ->setName('load')
+            ->setDescription('Load a package to be managed with Studio')
+            ->addArgument(
+                'path',
+                InputArgument::REQUIRED,
+                'The path where the package files are located'
+            );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $package = Package::fromFolder($input->getArgument('path'));
+        $this->config->addPackage($package);
+
+        $output->writeln("<info>Package loaded successfully.</info>");
+
+        $output->writeln("<comment>Dumping autoloads...</comment>");
+        $this->runOnShell('composer dump-autoload');
+        $output->writeln("<info>Autoloads successfully generated.</info>");
+    }
+
+    protected function runOnShell($task, $workDir = null)
+    {
+        $process = $this->shell->process($task, $workDir);
+        $process->run();
+
+        if (! $process->isSuccessful()) {
+            $command = collect(explode(' ', $task))->first();
+            $error = $process->getErrorOutput();
+            throw new \RuntimeException("Error while running $command: $error");
+        }
+
+        return $process->getOutput();
+    }
+
+}