Satis Mirror repositories

MirrorCommand.php

<?php

/*
 * This file is part of Satis.
 *
 * (c) Jordi Boggiano <j.boggiano@seld.be>
 *     Nils Adermann <naderman@naderman.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Satis\Command;

use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Command\Command;
use Composer\Console\Application as ComposerApplication;
use Composer\Package\Dumper\ArrayDumper;
use Composer\Package\AliasPackage;
use Composer\Package\LinkConstraint\VersionConstraint;
use Composer\Json\JsonFile;
use Composer\IO\IOInterface;
use Composer\IO\ConsoleIO;

use Composer\Util\ProcessExecutor;

/**
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class MirrorCommand extends Command
{
    protected function configure()
    {
        $this
            ->setName('mirror')
            ->setDescription('Mirror Git repositories')
            ->setDefinition(array(
                new InputArgument('file', InputArgument::REQUIRED, 'Json file to use'),
                new InputArgument('build-dir', InputArgument::REQUIRED, 'Location where to clone repositories'),
            ))
            ->setHelp(<<<EOT
The <info>mirror</info> command reads the given json file and
mirror the Git repositories.
EOT
            )
        ;
    }

    /**
     * @param InputInterface  $input  The input instance
     * @param OutputInterface $output The output instance
     */
    protected function execute(InputInterface $input, OutputInterface $output)
    {
        $dir = $input->getArgument('build-dir');
        $json = new JsonFile($input->getArgument('file'));
        $data = $json->read();

        $this->process = new ProcessExecutor();

        foreach ($data['mirrors'] as $mirror) {
            // Fetch
            if (is_dir($repo = $dir . '/' . preg_replace('/[^\w]+/', '-', strtolower(trim($mirror['target']))))) {
                $this->runCommand(sprintf('cd %s && git branch --no-color | grep -v \* | xargs git branch -D && git fetch origin "+refs/heads/*:refs/heads/*"', $repo), $output);
            } else {
                $this->runCommand(sprintf('git clone --bare %s %s && cd %s && git remote rm origin && git remote add --mirror origin %s', $mirror['source'], $repo, $repo, $mirror['source']), $output);
            }

            // Push
            $this->runCommand(sprintf('cd %s && git push --mirror %s', $repo, $mirror['target']), $output);
        }
    }

    /**
     * @param string  $command The command to execute
     * @param OutputInterface $output The output instance
     */
    protected function runCommand($command, OutputInterface $output)
    {
        $output->writeln('<info>run</info> ' . str_replace('&&', '<info>&&</info>', $command));

        try {
            return $this->process->execute($command);
        } catch (\RuntimeException $e) {
            return $e->getMessage();
        }
    }
}